Carbon-Encapsulated Iron Nanoparticles for Hydrogen Sulfide Removal

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Nanoparticles for Hydrogen Sulfide Removal</title> <meta name="description" content="Carbon-Encapsulated Iron Nanoparticles for Hydrogen Sulfide Removal"> <meta name="keywords" content="H鈧係 removal, catalytic oxidation, carbon encapsulated iron, olive mill wastewater"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" 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style="font-size:.9rem">Carbon-Encapsulated Iron Nanoparticles for Hydrogen Sulfide Removal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Meriem%20Abid">Meriem Abid</a>, <a href="https://publications.waset.org/abstracts/search?q=Erika%20Oliveria-Jardim"> Erika Oliveria-Jardim</a>, <a href="https://publications.waset.org/abstracts/search?q=Andres%20Fullana"> Andres Fullana</a>, <a href="https://publications.waset.org/abstracts/search?q=Joaquin%20Silvestre-Albero"> Joaquin Silvestre-Albero</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The rapid industrial development associated with the increase of volatile organic compounds (VOCs) has seriously impacted the environment. Among VOCs, hydrogen sulfide (H鈧係) is known as a highly toxic, malodorous, flammable, and corrosive gas, which is emitted from diverse chemical processes, including industrial waste-gas streams, natural gas processing, and biogas purification. The high toxicity, corrosively, and very characteristic odor threshold of H2S call for urgent development of efficient desulfurization processes from the viewpoint of environmental protection and resource regeneration. In order to reduce H鈧係 emissions, effective technologies for have been performed. The general method of H鈧係 removal included amine aqueous solution, adsorption process, biological methods, and fixed-bed solid catalytic oxidation processes. Ecologically and economically, low-temperature direct oxidation of H鈧係 to elemental sulfur using catalytic oxidation is the preferred approach for removing H鈧係-containing gas streams. A large number of catalysts made from carbon, metal oxides, clay, and others, have been studied extensively for this application. In this sense, activated carbon (AC) is an attractive catalyst for H鈧係 removal because it features a high specific surface area, diverse functional groups, low cost, durability, and high efficiency. It is interesting to stand out that AC is modified using metal oxides to promote the efficiency of H鈧係 removal and to enhance the catalytic performance. Based on these premises, the main goal of the present study is the evaluation of the H鈧係 adsorption performance in carbon-encapsulated iron nanoparticles obtained from an olive mill, thermally treated at 600, 800 and 1000 潞C temperatures under anaerobic conditions. These results anticipate that carbon-encapsulated iron nanoparticles exhibit a promising performance for the H鈧係 removal up to 360 mg/g. <iframe src="https://publications.waset.org/abstracts/151848.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=H%E2%82%82S%20removal" title="H鈧係 removal">H鈧係 removal</a>, <a href="https://publications.waset.org/abstracts/search?q=catalytic%20oxidation" title=" catalytic oxidation"> catalytic oxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20encapsulated%20iron" title=" carbon encapsulated iron"> carbon encapsulated iron</a>, <a href="https://publications.waset.org/abstracts/search?q=olive%20mill%20wastewater" title=" olive mill wastewater"> olive mill wastewater</a> </p> <a href="https://publications.waset.org/abstracts/151848/carbon-encapsulated-iron-nanoparticles-for-hydrogen-sulfide-removal" 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Carbon-Encapsulated Iron Nanoparticles for Hydrogen Sulfide Removal