Sulfuric acid | H2SO4

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class="text-wrap">Methanol</span> <span class="arrow-wrap"><svg width="14" height="15" viewbox="0 0 14 15" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M8.64245 3.29785L7.73346 4.20766L10.5419 7.02291H0.993164L0.993164 8.31038H10.5462L7.73346 11.1256L8.64245 12.0354L13.0073 7.66665L8.64245 3.29785Z" fill="black" /> </svg></span> </a> </li> <li class=""> <a href="https://www.topsoe.com/sustainable-aviation-fuel" class="sub-menu-single external " role="menuitem"> <span class="text-wrap">Sustainable aviation fuel (SAF)</span> <span class="arrow-wrap"><svg width="14" height="15" viewbox="0 0 14 15" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M8.64245 3.29785L7.73346 4.20766L10.5419 7.02291H0.993164L0.993164 8.31038H10.5462L7.73346 11.1256L8.64245 12.0354L13.0073 7.66665L8.64245 3.29785Z" fill="black" /> </svg></span> </a> </li> <li class=""> <a href="https://www.topsoe.com/processes/renewables" class="sub-menu-single external " role="menuitem"> <span class="text-wrap">Renewable fuel</span> <span class="arrow-wrap"><svg width="14" height="15" viewbox="0 0 14 15" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M8.64245 3.29785L7.73346 4.20766L10.5419 7.02291H0.993164L0.993164 8.31038H10.5462L7.73346 11.1256L8.64245 12.0354L13.0073 7.66665L8.64245 3.29785Z" fill="black" /> </svg></span> </a> </li> <li class=""> <a href="https://www.topsoe.com/processes/carbon-monoxide" class="sub-menu-single external " role="menuitem"> <span class="text-wrap">Carbon monoxide</span> <span class="arrow-wrap"><svg width="14" height="15" viewbox="0 0 14 15" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M8.64245 3.29785L7.73346 4.20766L10.5419 7.02291H0.993164L0.993164 8.31038H10.5462L7.73346 11.1256L8.64245 12.0354L13.0073 7.66665L8.64245 3.29785Z" fill="black" /> </svg></span> </a> </li> <li class=""> <a href="https://www.topsoe.com/solutions/output/emission-control" class="sub-menu-single external " role="menuitem"> <span class="text-wrap">Emission control</span> <span class="arrow-wrap"><svg width="14" height="15" viewbox="0 0 14 15" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M8.64245 3.29785L7.73346 4.20766L10.5419 7.02291H0.993164L0.993164 8.31038H10.5462L7.73346 11.1256L8.64245 12.0354L13.0073 7.66665L8.64245 3.29785Z" fill="black" /> </svg></span> </a> </li> <li class=""> <a href="https://www.topsoe.com/processes/syngas" class="sub-menu-single external " role="menuitem"> <span class="text-wrap">Syngas</span> <span class="arrow-wrap"><svg width="14" height="15" viewbox="0 0 14 15" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M8.64245 3.29785L7.73346 4.20766L10.5419 7.02291H0.993164L0.993164 8.31038H10.5462L7.73346 11.1256L8.64245 12.0354L13.0073 7.66665L8.64245 3.29785Z" fill="black" /> </svg></span> </a> </li> <li class=""> <a href="https://www.topsoe.com/processes/rng" class="sub-menu-single external " role="menuitem"> <span class="text-wrap">RNG</span> <span 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7.02291H0.993164L0.993164 8.31038H10.5462L7.73346 11.1256L8.64245 12.0354L13.0073 7.66665L8.64245 3.29785Z" fill="black" /> </svg></span> </span> </div> </div> </li> <li> <div class="resource-container"> <a class="real-link" href="https://www.topsoe.com/press-releases/worlds-first-of-its-kind-green-ammonia-plant-inaugurated-by-skovgaard-energy-vestas-and-topsoe?hsLang=en"></a> <div class="resource-image"> <img src="https://www.topsoe.com/hubfs/images/2024/GettyImages-1277496844_Reduced%201%20(2).png" alt="GettyImages-1277496844_Reduced 1 (2)"> </div> <div class="resource-content"> <span class="resource-desc"> World’s first of its kind green ammonia plant inaugurated by Skovgaard Energy, ... </span> <span class="fake-link"> <span class="link-text">Read</span> <span class="arrow-wrap"><svg width="14" height="15" viewbox="0 0 14 15" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M8.64245 3.29785L7.73346 4.20766L10.5419 7.02291H0.993164L0.993164 8.31038H10.5462L7.73346 11.1256L8.64245 12.0354L13.0073 7.66665L8.64245 3.29785Z" fill="black" /> </svg></span> </span> </div> </div> </li> </div> </ul> </div> </div> </div> </div> <div class="menu-item-wrap 2 has-children" aria-haspopup="true"> <a class="top-level linkless" role="menuitem">About</a> <div class="drop-wrap num-cols-3 resources one-resource" role="menu"> <div class="inner-menu"> <div class="inner-column reg-column intro-column column-index-1"> <span class="intro-headline"> About </span> </div> <div class="inner-column reg-column column-index-2 resources-length-0"> <ul class="sub-menu"> <div class="sub-menus-wrapper"> <div class="sub-menus-1"> <li class=""> <a href="https://www.topsoe.com/our-resources" class="sub-menu-single external " role="menuitem"> <span class="text-wrap">About Topsoe</span> <span class="arrow-wrap"><svg width="14" height="15" viewbox="0 0 14 15" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M8.64245 3.29785L7.73346 4.20766L10.5419 7.02291H0.993164L0.993164 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<span class="resource-desc"> World’s first of its kind green ammonia plant inaugurated by Skovgaard Energy, ... </span> <a href="https://www.topsoe.com/press-releases/worlds-first-of-its-kind-green-ammonia-plant-inaugurated-by-skovgaard-energy-vestas-and-topsoe?hsLang=en"> <span class="link-text">Read</span> <span class="arrow-wrap"><svg width="14" height="15" viewbox="0 0 14 15" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M8.64245 3.29785L7.73346 4.20766L10.5419 7.02291H0.993164L0.993164 8.31038H10.5462L7.73346 11.1256L8.64245 12.0354L13.0073 7.66665L8.64245 3.29785Z" fill="black" /> </svg></span> </a> </div> </div> </li> </div> </ul> </div> </div> </div> </div> <div class="menu-item-wrap has-children" aria-haspopup="true"> <a class="top-level linkless" role="menuitem">About<span class="cevron"><svg width="8" height="14" viewbox="0 0 8 14" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M7.9483 7.16667L1.4483 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style="background-image:url(https://www.topsoe.com/hubfs/chub_backup/DynSOx_VK.jpg);"> </div> </div> <div class="u4m-hero-heading-and-subheading"> <h3>Sulfuric acid</h3> <p>Produce directly from spent acid, elemental sulfur or sulfur compound containing gases </p></div> </div> </div> </div> </div> </section> </div> <div id="hs_cos_wrapper_widget_1653396713766" class="hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module" style="" data-hs-cos-general-type="widget" data-hs-cos-type="module"><section id="widget_1653396713766" class="u4m-section widget_1653396713766 reduce-height module_67048045060" data-aos=""> <div class="u4m-section-inner"> <div class="u4m-section-column has-richtext column-1"> <div class="element element-richtext"> <div data-aos="fade-up" data-aos-once="true"><p>Whether you produce sulfuric acid from elemental sulfur or from SO2 regenerate spent sulfuric acid or clean sulfurous gases, we have the optimal solution. Our high activity catalysts provide high conversion, high energy efficiency, low-pressure drop, production stability, as well as an exceptionally long life in any sulfuric acid plant. They ensure that our customers achieve higher production rates, improved heat recovery, fast start-up, optimal energy efficiency and the lowest possible SO2 emissions. Our Wet gas Sulfuric Acid (WSA) technology converts sulfurous gases to commercial-grade sulfuric acid without drying the gas, with a high energy efficiency and very low emissions.</p></div> </div> </div> <div class="u4m-section-column has-icon column-2"> <div class="element element-icon"> <img loading="lazy" src="https://www.topsoe.com/hubfs/chub_backup/Topsoe_Icon_RGB_Sulphiric%20Acid.svg" style="filter: brightness(0%) saturate(100%) invert(32%) sepia(86%) saturate(2836%) hue-rotate(1deg) brightness(107%) contrast(106%);"> </div> </div> </div> </section> </div> <div id="hs_cos_wrapper_widget_1653400367347" class="hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module" style="" data-hs-cos-general-type="widget" data-hs-cos-type="module"><section id="widget_1653400367347" class="u4m-section reduce-height module_67048045060" data-aos=""> <div class="u4m-section-inner"> <div class="u4m-section-column has-large-title top-aligned column-1"> <div class="element element-large-title"> <h2 class="smaller-title" data-aos="fade-up">Technical service</h2> </div> </div> <div class="u4m-section-column has-richtext column-2"> <div class="element element-richtext"> <div data-aos="fade-up" data-aos-once="true"><p>Based on experience over more than half a century, Topsoe has established an extensive technical service programme available to our VK catalyst users. In addition to frequent contact, the service programme includes activity testing of catalyst samples, evaluations of catalyst performance, plant optimization, troubleshooting and management of catalyst replacement.<br><br>Activity testing of catalyst samples represents a valuable source of information, which combined with data evaluations of the plant performance enables Topsoe to optimize future catalyst management.</p></div> </div> </div> </div> </section> </div> <div id="hs_cos_wrapper_widget_1653401856341" class="hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module" style="" data-hs-cos-general-type="widget" data-hs-cos-type="module"> <section class="u4m-cards" style=" "> <a class="anchor" id="section-"></a> <h2 class="u4m-cards__heading small left">Applications within this area</h2> <div class="u4m-cards__wrapper"> <div class="u4m-cards__wrapper__card " href="https://www.topsoe.com/processes/sulfuric-acid/sulfur-dioxide-oxidation"> <a href="https://www.topsoe.com/processes/sulfuric-acid/sulfur-dioxide-oxidation"> <div class="content"> <span class="heading">Sulfur dioxide oxidation</span> <p class="teaser"> Over the years Topsoe has brought major product breakthroughs to the market, providing the industry with new catalysts for more energy-efficient operation, lower SO2 emissions and higher production rates. </p> </div> </a> </div> <div class="u4m-cards__wrapper__card " href="https://www.topsoe.com/processes/sulfuric-acid/wet-gas-sulfuric-acid-wsa"> <a href="https://www.topsoe.com/processes/sulfuric-acid/wet-gas-sulfuric-acid-wsa"> <div class="content"> <span class="heading">Wet gas Sulfuric Acid (WSA)</span> <p class="teaser"> The WSA process is a wet gas catalytic process. The concentrated sulfuric acid is produced by condensation from a wet process gas. Drying of the process gas prior to treatment in a WSA plant therefore becomes superfluous, hence generation ... </p> </div> </a> </div> </div> </section> </div> <div id="hs_cos_wrapper_widget_1653397156748" class="hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module" style="" data-hs-cos-general-type="widget" data-hs-cos-type="module"><section class="u4m-contact-section"> <div class="contact"> <div class="headshot" style="background-image: url(https://www.topsoe.com/hubfs/MNRP-2773_web.jpg);"></div> <div class="info"> <span class="eyebrow">Get In Touch</span> <h4>Mårten Niels Rickard Granroth</h4> <p>Contact our <strong>our expert</strong> for more information about Topsoe.</p> <a href="https://engage.topsoe.com/commercial?aoi=184" class="button">SUBMIT REQUEST</a> </div> </div> </section> </div> <div id="hs_cos_wrapper_widget_1653397490201" class="hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module" style="" data-hs-cos-general-type="widget" data-hs-cos-type="module"><section class="u4m-related-downloads"> <div class="u4m-related-downloads-inner"> <div class="left"> <h6>Related Downloads</h6> </div> <div class="right"> <div class="downloads"> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1720401040_frontpage.jpg" alt="SNOX™ technology solves SO2, NOx and dust challenge for ENI" title="SNOX™ technology solves SO2, NOx and dust challenge for ENI"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>SNOX™ technology solves SO2, NOx and dust challenge for ENI</p> <p class="description" style="display: none;">“The plant achieved an average reliability factor of 99% over ten years of operation”</p> <a href="https://engage.topsoe.com/y1720401040_lp?ctid=y1720401040" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1720401040_lp?ctid=y1720401040"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1800401038_front-page.jpg" alt="WSA plant helps Sokolovská Uhelná meet emission standards" title="WSA plant helps Sokolovská Uhelná meet emission standards"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>WSA plant helps Sokolovská Uhelná meet emission standards</p> <p class="description" style="display: none;">“Our WSA unit has been in operation for over 25 years and has exceeded our expectations for reliability, emission levels and sulfuric acid, which is a very good product to sell!”</p> <a href="https://engage.topsoe.com/y1800401038_lp?ctid=y1800401038" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1800401038_lp?ctid=y1800401038"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1840101187_front-page.jpg" alt="TOPGUN" title="TOPGUN"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Leaflet</span> </div> <div class="title-and-link"> <p>TOPGUN</p> <p class="description" style="display: none;">Operating conditions, catalyst activity and equipment like heat exchangers and the converters impact sulfuric acid plant performance.</p> <a href="https://engage.topsoe.com/y1840101187_lp?ctid=y1840101187" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1840101187_lp?ctid=y1840101187"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140201334-front-page.png" alt="Tip the scales - get more from your sulfuric acid catalyst expenses with VK38+" title="Tip the scales - get more from your sulfuric acid catalyst expenses with VK38+"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>White paper</span> </div> <div class="title-and-link"> <p>Tip the scales - get more from your sulfuric acid catalyst expenses with VK38+</p> <p class="description" style="display: none;">Selecting the right catalysts for a SO2 converter has always been about balancing expenses and gains. The new VK38+ helps create that balance – and more. </p> <a href="https://engage.topsoe.com/y1140201327_lp?ctid=y1140201327" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140201327_lp?ctid=y1140201327"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140501371_frontpage.png" alt="COST-EFFECTIVE BOOST OF PLANT PERFORMANCE WITH NEW LEAP5™ CATALYSTS FOR SO2 OXIDATION" title="COST-EFFECTIVE BOOST OF PLANT PERFORMANCE WITH NEW LEAP5™ CATALYSTS FOR SO2 OXIDATION"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>White paper</span> </div> <div class="title-and-link"> <p>COST-EFFECTIVE BOOST OF PLANT PERFORMANCE WITH NEW LEAP5™ CATALYSTS FOR SO2 OXIDATION</p> <p class="description" style="display: none;">The profitability of sulfuric acid production is closely related to the production rates achievable within SO2 emission limits. The optimal operating conditions of a plant depend strongly on the plant configuration, catalyst volumes and catalyst activities, and as SO2 emission limits are tightened, more active sulfuric acid catalysts are required to maintain the desired production rates.</p> <a href="https://engage.topsoe.com/y1140501371_lp?ctid=y1140501371" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140501371_lp?ctid=y1140501371"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140501372_front-page.png" alt="New Improved dust protection catalyst" title="New Improved dust protection catalyst"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>White paper</span> </div> <div class="title-and-link"> <p>New Improved dust protection catalyst</p> <p class="description" style="display: none;">The introduction of the first dust protection catalyst, VK38 in the shape of 20 mm rings in the 1970ies, provided invaluable savings for sulphuric acid plants suffering from pressure drop build-up as a result of dust present in the feed gas. Industrial experience from more than 60 installations shows prolonged production campaigns by minimum 50-75% and thereby, a reduction of time consuming and expensive shutdowns for catalyst screening as well as significant savings in blower energy over time</p> <a href="https://engage.topsoe.com/y1140501372_lp?ctid=y1140501372" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140501372_lp?ctid=y1140501372"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/Frame%201%20(86).png" alt="VK38+: Innovating on existing catalyst solutions " title="VK38+: Innovating on existing catalyst solutions "> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>White paper</span> </div> <div class="title-and-link"> <p>VK38+: Innovating on existing catalyst solutions </p> <p class="description" style="display: none;">Exploring a new catalytic solution for improving efficiency and energy balance in sulfuric acid plants</p> <a href="https://engage.topsoe.com/y1140501374_lp?ctid=y1140501374" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140501374_lp?ctid=y1140501374"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140501373_front-page.png" alt="Understanding dynamics and emissions during sulfuric acid converter startup" title="Understanding dynamics and emissions during sulfuric acid converter startup"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>White paper</span> </div> <div class="title-and-link"> <p>Understanding dynamics and emissions during sulfuric acid converter startup</p> <p class="description" style="display: none;">Increased attention on emissions during startup of sulfuric acid plants calls for better understanding of the dynamics of the plants and the phenomena controlling the emissions of SO2 and acid mist.</p> <a href="https://engage.topsoe.com/y1140501373_lp?ctid=y1140501373" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140501373_lp?ctid=y1140501373"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1840501312_front-page.png" alt="Dynamic simulations Sulfuric acid" title="Dynamic simulations Sulfuric acid"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>White paper</span> </div> <div class="title-and-link"> <p>Dynamic simulations Sulfuric acid</p> <p class="description" style="display: none;">Sulfuric acid plants often encounter transient phenomena such as emission spikes during unsteady operation. Emission spikes and related phenomena can be understood and predicted by considering the sulfur content of the V2O5-based catalyst used in sulfuric acid converters.</p> <a href="https://engage.topsoe.com/y1840501312_lp?ctid=y1840501312" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1840501312_lp?ctid=y1840501312"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140201260-frontpage.png" alt="The profitable way to sulfuric acid" title="The profitable way to sulfuric acid"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Brochure</span> </div> <div class="title-and-link"> <p>The profitable way to sulfuric acid</p> <p class="description" style="display: none;">Profit margins are slim in the sulfuric acid business, and plants that want to succeed need feedstock flexibility, high conversion rates, low energy consumption and high reliability. They also have to meet increasingly strict limits on SO2 emission</p> <a href="https://engage.topsoe.com/y1140201260_lp?ctid=y1140201260" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140201260_lp?ctid=y1140201260"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140201386-frontpage.png" alt="High activity at low temperature" title="High activity at low temperature"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Brochure</span> </div> <div class="title-and-link"> <p>High activity at low temperature</p> <p class="description" style="display: none;">VK-7XX LEAP5™ is the latest catalyst developed on the basis of the unique LEAP5™ techology. It is optimized for operation in converted strong gasses at 370-440°C/700-825oF, which is typical for the final passes of single-absorption plants</p> <a href="https://engage.topsoe.com/y1140201386_lp?ctid=y1140201386" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140201386_lp?ctid=y1140201386"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1680201266_frontpage.png" alt="Troubleshoot, Monitor & Plan Ahead" title="Troubleshoot, Monitor & Plan Ahead"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Brochure</span> </div> <div class="title-and-link"> <p>Troubleshoot, Monitor & Plan Ahead</p> <p class="description" style="display: none;">Managing a sulfuric acid plant can be challenging on the best of days, but what happens when real trouble arises? Sudden changes in pressure drops or emissions may force a decrease in production or even a full shutdown for repairs. And even when everything is working, catalyst activity changes over time – and so should a plant’s operating conditions.</p> <a href="https://engage.topsoe.com/y1680201266_lp?ctid=y1680201266" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1680201266_lp?ctid=y1680201266"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140401375_frontpage.jpg" alt="Guizhou Kailin sulfuric acid plants combat dust to eliminate unplanned downtime and improve Opex" title="Guizhou Kailin sulfuric acid plants combat dust to eliminate unplanned downtime and improve Opex"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Guizhou Kailin sulfuric acid plants combat dust to eliminate unplanned downtime and improve Opex</p> <p class="description" style="display: none;">The Guizhou Kailin Fertilizer company had two sulfuric acid plants in Guizhou, China that were experiencing similar problems. A severe pressure drop build-up over the first catalyst bed was increasing energy costs and eating away at margins. Dust was forcing the plant to shut down for unplanned screening maintenance and catalyst replacement.</p> <a href="https://engage.topsoe.com/y1140401375_lp?ctid=y1140401375" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140401375_lp?ctid=y1140401375"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140401376_frontpage.jpg" alt="Design with so2 emissions of less than 400 mg/nm3 (140 ppm) in a 3+1 layout" title="Design with so2 emissions of less than 400 mg/nm3 (140 ppm) in a 3+1 layout"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Design with so2 emissions of less than 400 mg/nm3 (140 ppm) in a 3+1 layout</p> <p class="description" style="display: none;">The commencement of the new legislation of SO2 emission from the current 960 mg/Nm3 to the new target of 400 mg/ Nm3 (140 ppm) for sulfuric acid industry has forced the industry to place much focus on finding the best technology in order to comply with the new SO emission standard. The new Line B, commissioned in March 2010, was forced to comply with the new SO2 emission standard of 400 mg/Nm3 (140 ppm) corresponding to 99.9% conversion at full load. </p> <a href="https://engage.topsoe.com/y1140401376_lp?ctid=y1140401376" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140401376_lp?ctid=y1140401376"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140401377_front-page.jpg" alt="Design with SO2 emissions of less than 400 MG/NM3 (140 PPM) in a 3+2 layout" title="Design with SO2 emissions of less than 400 MG/NM3 (140 PPM) in a 3+2 layout"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Design with SO2 emissions of less than 400 MG/NM3 (140 PPM) in a 3+2 layout</p> <p class="description" style="display: none;">Weifang Ensign Industry CO., Ltd. is an enterprise which mainly takes starch-based raw materials to produce citric acid series products and alcohol series products. Weifang operates a 3+2 sulfuric acid plant based on a design capacity of 1050 MTPD</p> <a href="https://engage.topsoe.com/y1140401377_lp?ctid=y1140401377" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140401377_lp?ctid=y1140401377"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140401378_front-page-1.jpg" alt="Reduce SO2 emissions - Less than 100 PPM SO2 in the stack" title="Reduce SO2 emissions - Less than 100 PPM SO2 in the stack"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Reduce SO2 emissions - Less than 100 PPM SO2 in the stack</p> <p class="description" style="display: none;">In 1997, VK69 was installed in the fourth pass of a large 1460 MTPD sulphuric acid plant in Asia. The plant burns elemental sulphur and the four-bed converter has intermediate absorption after the third pass.</p> <a href="https://engage.topsoe.com/y1140401378_lp?ctid=y1140401378" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140401378_lp?ctid=y1140401378"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140401379_front-page.jpg" alt="Yanggu Xiangguang copper takes new approach to meet emissions standards of 70 PMM SO2" title="Yanggu Xiangguang copper takes new approach to meet emissions standards of 70 PMM SO2"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Yanggu Xiangguang copper takes new approach to meet emissions standards of 70 PMM SO2</p> <p class="description" style="display: none;">The Chinese government has been tightening SO2 emissions regulations for years. In many regions, the targets are now set at 70 PPM. While some plants depend on conventional catalysts and scrubbers, Xiangguang Copper in Shandong Province wanted a long-term approach. the contacted Topsoe to find a catalyst solution to help them comply with stricter emission controls,</p> <a href="https://engage.topsoe.com/y1140401379_lp?ctid=y1140401379" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140401379_lp?ctid=y1140401379"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140401380_front-page.jpg" alt="Reduced SO2 emissions - Less than 100 PPM SO2 in the stack" title="Reduced SO2 emissions - Less than 100 PPM SO2 in the stack"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Reduced SO2 emissions - Less than 100 PPM SO2 in the stack</p> <p class="description" style="display: none;">Yunnan Chihong Zinc & Germanium Co., Ltd’s head office is located in Qujing City, Yunnan Province. The company mainly focuses on mining, mineral processing, import and export business and domestic trade of lead, zinc and germanium series productions. The company operates five sulfuric acid plants, all based on off-gasses from zinc/lead smelting. Two of the plants are located in Qujing, two in Huize and one in Hulunbeier. All five plants are operating with Topsoe VK catalysts.</p> <a href="https://engage.topsoe.com/y1140401380_lp?ctid=y1140401380" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140401380_lp?ctid=y1140401380"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140401381_frontpage.jpg" alt="Nuova Solmine cuts SO2 emissions by 50%, complying with emissions regulations without reducing production" title="Nuova Solmine cuts SO2 emissions by 50%, complying with emissions regulations without reducing production"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Nuova Solmine cuts SO2 emissions by 50%, complying with emissions regulations without reducing production</p> <p class="description" style="display: none;">Nuova Solmine, a sulfuric acid plant in Scarlino, Italy, had been operating with SO2 emissions averaging about 280 PPM. When new regulations capped emissions at 224 PPM; the plant had to make a choice: reduce production of sulfuric acid, resulting in loss of profit, or find a way to reduce emissions without cutting production.</p> <a href="https://engage.topsoe.com/y1140401381_lp?ctid=y1140401381" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140401381_lp?ctid=y1140401381"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140401382_front-page-1.jpg" alt="With Topsoe's Leap5™ catalyst, Australia's Incitec Pivot increased production & reduced emissions" title="With Topsoe's Leap5™ catalyst, Australia's Incitec Pivot increased production & reduced emissions"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>With Topsoe's Leap5™ catalyst, Australia's Incitec Pivot increased production & reduced emissions</p> <p class="description" style="display: none;">Incitec Pivot's sulfuric acid at Mount Isa, Australia needed more sulfuric acid than they could produce, but transport of sulfur or sulfuric acid to the company's outback location was expensive. </p> <a href="https://engage.topsoe.com/y1140401382_lp?ctid=y1140401382" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140401382_lp?ctid=y1140401382"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1680401384_frontpage.jpg" alt="Industrial experience with testing of catalyst samples" title="Industrial experience with testing of catalyst samples"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Industrial experience with testing of catalyst samples</p> <p class="description" style="display: none;">A sulphuric acid plant based on off-gas from processing of metal ores faced increased SO2 emissions in the stack. The plant manager contacted Topsoe for advice and recommendations. The plant is a double absorption plant with one catalyst bed located after the intermediate absorption tower (IAT).</p> <a href="https://engage.topsoe.com/y1680401384_lp?ctid=y1680401384" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1680401384_lp?ctid=y1680401384"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1680401249_front-page.jpg" alt="Topsoe helps Rio Seco eliminate unplanned shutdowns" title="Topsoe helps Rio Seco eliminate unplanned shutdowns"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Topsoe helps Rio Seco eliminate unplanned shutdowns</p> <p class="description" style="display: none;">After about 2½ years of operation, the Rio Seco sulfuric acid plant in Peru, which uses a Topsoe Wet gas Sulfuric Acid (WSA) process, was confronted with a couple of critical unplanned shutdowns caused by steam leaking into the process gas. This resulted in damage to part of the catalyst in the SO2 converter, along with big, costly delays before the unit could be brought back to operation.</p> <a href="https://engage.topsoe.com/y1680401249_lp?ctid=y1680401249" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1680401249_lp?ctid=y1680401249"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140101355_front-page.jpg" alt="New improved dust protection catalyst for sulphuric acid plants" title="New improved dust protection catalyst for sulphuric acid plants"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Leaflet</span> </div> <div class="title-and-link"> <p>New improved dust protection catalyst for sulphuric acid plants</p> <p class="description" style="display: none;">Topsoe has developed a new improved dust protection catalyst in the size of a 25 mm daisy in the proven VK catalyst formulation. </p> <a href="https://engage.topsoe.com/y1140101355_lp?ctid=y1140101355" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140101355_lp?ctid=y1140101355"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140101356_front-page.jpg" alt="VK69 Proven performance" title="VK69 Proven performance"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Leaflet</span> </div> <div class="title-and-link"> <p>VK69 Proven performance</p> <p class="description" style="display: none;">Topsoe introduced the caesium-promoted VK69 catalyst in 1996. VK69 is optimised for operation in the last passes of double-absorption sulphuric acid plants. At these conditions VK69 shows a very significant activity advantage compared to regular catalysts.</p> <a href="https://engage.topsoe.com/y1140101356_lp?ctid=y1140101356" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140101356_lp?ctid=y1140101356"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140101357_front-page.jpg" alt="Proven SO2 emissions reduction in high temperature environments" title="Proven SO2 emissions reduction in high temperature environments"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Leaflet</span> </div> <div class="title-and-link"> <p>Proven SO2 emissions reduction in high temperature environments</p> <p class="description" style="display: none;">Topsoe’s VK-701 LEAP5™ is optimized for operation in converted strong gasses at 410-460°C/770-895°F, which is typical for the 3rd pass of 3+1 double-absorption plants. At these conditions, VK-701 shows significant activity advantages compared to existing potassium and cesium-promoted catalysts.</p> <a href="https://engage.topsoe.com/y1140101357_lp?ctid=y1140101357" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140101357_lp?ctid=y1140101357"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140201327-frontpage.png" alt="Tip the scales: get more from your sulfuric acid catalyst expenses with 38+" title="Tip the scales: get more from your sulfuric acid catalyst expenses with 38+"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Brochure</span> </div> <div class="title-and-link"> <p>Tip the scales: get more from your sulfuric acid catalyst expenses with 38+</p> <p class="description" style="display: none;">Selecting the right catalysts for a SO2 converter has always been about balancing expenses and gains. The new VK38+ helps create that balance – and more. </p> <a href="https://engage.topsoe.com/y1140201327_lp" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140201327_lp"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1140401366.jpg" alt="Increased acid production and reduced pressure-drop with vk38+" title="Increased acid production and reduced pressure-drop with vk38+"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Increased acid production and reduced pressure-drop with vk38+</p> <p class="description" style="display: none;">The installation of VK38+ has not only allowed us to burn more sulfur and increase production, but also to reduce the pressure-drop across the unit with the same level of emissions</p> <a href="https://engage.topsoe.com/y1140401366_lp?ctid=y1140401366" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1140401366_lp?ctid=y1140401366"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/y1800401349_front-page.jpg" alt="Molymet group successfully operates five units for lean SO2 gas from molybdenum roasters" title="Molymet group successfully operates five units for lean SO2 gas from molybdenum roasters"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Customer case</span> </div> <div class="title-and-link"> <p>Molymet group successfully operates five units for lean SO2 gas from molybdenum roasters</p> <p class="description" style="display: none;">“In 2010, Chile was hit by an earthquake with a magnitude of 8.8 on the Richter scale. Upon inspection of the condenser glass tubes of Topsoe’s plant, it was verified that none of these had been damaged, and the plant were able to resume production after minor repairs.</p> <a href="https://engage.topsoe.com/y1800401349_lp?ctid=y1800401349" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1800401349_lp?ctid=y1800401349"></a> </div> <div class="content related-download"> <div class="image"> <img src="https://www.topsoe.com/hubfs/Frame%201%20-%202024-11-08T144907.727.png" alt="From waste to clean energy: The acid path to reducing CO2 emissions" title="From waste to clean energy: The acid path to reducing CO2 emissions"> </div> <div class="info" data-aos="fade-up" data-aos-once="true"> <div class="medium"> <span>Article</span> </div> <div class="title-and-link"> <p>From waste to clean energy: The acid path to reducing CO2 emissions</p> <p class="description" style="display: none;">Case study explores environmental benefits of the WSA process to capture waste heat, enhance energy efficiency, and reduce the refinery carbon footprint</p> <a href="https://engage.topsoe.com/y1801001445_lp?cti=y1801001445" target="_blank" class="download-file">Download <svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 320 512"><path d="M9.375 329.4c12.51-12.51 32.76-12.49 45.25 0L128 402.8V32c0-17.69 14.31-32 32-32s32 14.31 32 32v370.8l73.38-73.38c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-128 128c-12.5 12.5-32.75 12.5-45.25 0l-128-128C-3.125 362.1-3.125 341.9 9.375 329.4z" /></svg></a> </div> </div> <a class="cover-link" href="https://engage.topsoe.com/y1801001445_lp?cti=y1801001445"></a> </div> </div> </div> </div> </section> </div> <div id="hs_cos_wrapper_widget_1653397722634" class="hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module" style="" data-hs-cos-general-type="widget" data-hs-cos-type="module"> <section class="u4m-related-videos" style=" "> <a class="anchor" id="section-"></a> <div class="u4m-related-videos__heading"><div class="inner"><h6>Related Videos</h6></div></div> <div class="topsoe-grid"> <div class="videos">  <div class="item"> <a href="https://video.topsoe.com/v.ihtml/player.html?source=embed&photo%5fid=67031971" class="popup-link"> <div class="image" style="background-image: url('https://video.topsoe.com//64968576/67031971/b8f2523d8c1d86919d267c3ba8f8f42b/large/webinar-topclaus-new-state-of-the-17-thumbnail.jpg')"> </div> <div class="content"> <span class="title">Webinar: TopClaus® - New State of the Art in Sulphur Recovery</span> <span class="description">TopClaus® combines two technologies, well-known to refinery operators; the Claus technology from Comprimo and the Wet gas Sulfuric Acid (WSA) process from Topsoe. 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Sometimes a ...</span> </div> </a> </div> <div class="item"> <a href="https://video.topsoe.com/v.ihtml/player.html?source=embed&photo%5fid=57241522" class="popup-link"> <div class="image" style="background-image: url('https://video.topsoe.com//49543327/57241522/faab0786040e7ab3ff237f7b07fc8c46/large/dynsox-1-5-thumbnail.jpg')"> </div> <div class="content"> <span class="title">DynSOx™</span> <span class="description">DynSOx™ is a unique, advisory service that mitigates risk by simulating your plant’s operation in its dynamic phases – and then advising you on how best to head off potential problems and remedy any ...</span> </div> </a> </div> <div class="item"> <a href="https://video.topsoe.com/v.ihtml/player.html?source=embed&photo%5fid=20604434" class="popup-link"> <div class="image" style="background-image: url('https://video.topsoe.com//19476794/20604434/c3c4679c004c57185127818ffbe10052/large/the-science-behind-the-best-performing-sulfuric-1-thumbnail.jpg')"> </div> <div class="content"> <span class="title">The science behind the best performing sulfuric acid catalyst</span> <span class="description">A look behind the scenes of Topsoe's groundbreaking science that led to developing the new LEAP5™ sulfuric acid catalyst. The catalyst provides customers with reduced SO2 emissions and increased ...</span> </div> </a> </div> <div class="item"> <a href="https://video.topsoe.com/v.ihtml/player.html?source=embed&photo%5fid=19855741" class="popup-link"> <div class="image" style="background-image: url('https://video.topsoe.com//19476792/19855741/420c933badf92d430c632fa12100665d/large/one-small-step-for-you-one-giant-leap-into-1-thumbnail.jpg')"> </div> <div class="content"> <span class="title">One small step for you, one giant leap into tomorrow</span> <span class="description">Launch of the new sulfuric acid catalyst VK-711 LEAP5™. Reduce emissions and increase production for sulfuric acid plants and other related industries.</span> </div> </a> </div> <div class="item"> <a href="https://video.topsoe.com/v.ihtml/player.html?source=embed&photo%5fid=14234825" class="popup-link"> <div class="image" style="background-image: url('https://video.topsoe.com//12732918/14234825/b0bd6780747ada09a8e36e270bd0a733/large/webinar-the-more-profitable-way-to-cut-sulfur-1-1-thumbnail.jpg')"> </div> <div class="content"> <span class="title">Webinar: The more profitable way to cut sulfur emissions</span> <span class="description"></span> </div> </a> </div> <div class="item"> <a href="https://video.topsoe.com/v.ihtml/player.html?source=embed&photo%5fid=14869592" class="popup-link"> <div class="image" style="background-image: url('https://video.topsoe.com//13968030/14869592/3d721e370fe1fc872a40819bb384a127/large/wsa-wet-gas-sulfuric-acid-for-metallurgical-1-thumbnail.jpg')"> </div> <div class="content"> <span class="title">WSA - Wet gas Sulfuric Acid for metallurgical applications</span> <span class="description">Meet Gabriel Gutiérrez Claverí, Gerente General from Molyb that depends on Topsoes WSA technology.</span> </div> </a> </div> </div> </div> </section></div> <div id="hs_cos_wrapper_widget_1653401629739" class="hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module" style="" data-hs-cos-general-type="widget" data-hs-cos-type="module"> <section class="u4m-blog-post-cards"> <div class="top-wrapper"> <h2 class="heading ">Stories you might be interested in</h2> </div> <div class="wrapper" data-post-limit="6"> <a class="blog-post-card" data-tags="Sulfuric acid " href="https://www.topsoe.com/blog/tip-the-scales-with-the-new-sulfuric-acid-catalyst"> <div class="featured-image lazy" data-bg="https://www.topsoe.com/hs-fs/hubfs/vk38-vr/linkedin.jpg?length=360&name=linkedin.jpg"> </div> <div class="content"> <h6 class="title">Tip the scales with the new sulfuric acid catalyst</h6> <span class="teaser">Topsoe’s new VK38+ sulfuric acid catalyst does not only make it easier to find the right balance but also tips the scales in your favor by offering enhanced performance,...</span> <div class="date">October 28, 2020</div> <div class="read-time"> 3 min read </div> </div> </a> <a class="blog-post-card" data-tags="Sulfuric acid Catalyst " href="https://www.topsoe.com/blog/price-increase-sulfuric-acid-catalyst"> <div class="featured-image lazy"> </div> <div class="content"> <h6 class="title">Topsoe announces price increase for sulfuric acid catalysts</h6> <span class="teaser">Due to the continued increase in raw material prices, especially for vanadium, Haldor Topsoe announces an increase in the price of the company’s sulfuric acid catalysts of...</span> <div class="date">September 21, 2018</div> <div class="read-time"> 1 min read </div> </div> </a> <a class="blog-post-card" data-tags="Sulfur removal Sulfuric acid " href="https://www.topsoe.com/blog/comply-with-emission-standards-without-compromising-on-performance"> <div class="featured-image lazy" data-bg="https://info.topsoe.com/hs-fs/hubfs/IML-00008666.jpg?length=360&name=IML-00008666.jpg"> </div> <div class="content"> <h6 class="title">Comply with emission standards without compromising on performance</h6> <span class="teaser">A new, highly active catalyst offers sulfuric acid plant operators a significantly more effective way to achieve compliance with emissions standards without compromising on...</span> <div class="date">September 5, 2018</div> <div class="read-time"> 2 min read </div> </div> </a> <a class="blog-post-card" data-tags="Sulfuric acid Catalyst " href="https://www.topsoe.com/blog/price-increase-for-vk-sulfuric-acid-catalysts"> <div class="featured-image lazy"> </div> <div class="content"> <h6 class="title">Further price increase for sulfuric acid catalysts</h6> <span class="teaser">Effective today, Haldor Topsoe announces a further price increase on the company’s sulfuric acid catalysts. The increase is due to the rising price of raw materials.</span> <div class="date">May 9, 2018</div> <div class="read-time"> </div> </div> </a> <a class="blog-post-card" data-tags="Sulfuric acid " href="https://www.topsoe.com/blog/price-increase-for-sulfuric-acid-catalysts"> <div class="featured-image lazy"> </div> <div class="content"> <h6 class="title">Price increase for sulfuric acid catalysts</h6> <span class="teaser">Haldor Topsoe increases prices for sulfuric acid catalysts with 0.40 euro per liter. The increase is driven by a substantial increase in the price of vanadium, which is a...</span> <div class="date">April 3, 2018</div> <div class="read-time"> </div> </div> </a> </div> <div class="link-wrap"> <a class="link" href="https://www.topsoe.com/blog/topic/sulfuric-acid"> View All <strong>sulfuric acid</strong> Posts </a> </div> </section></div></span> </main> <div id="hs_cos_wrapper_module_172666170265410" class="hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module" style="" data-hs-cos-general-type="widget" data-hs-cos-type="module"><footer class="u4m-footer"> <div class="inner"> <div class="logo-and-menu"> <div class="logo"> <a href="/"> <img loading="lazy" src="https://www.topsoe.com/hs-fs/hubfs/images/2024/topsoe-logo.png?width=170&name=topsoe-logo.png" width="170" alt="topsoe-logo" srcset="https://www.topsoe.com/hs-fs/hubfs/images/2024/topsoe-logo.png?width=85&name=topsoe-logo.png 85w, 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