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et_pb_equal_columns"> <div class="et_pb_column et_pb_column_1_2 et_pb_column_0 et_pb_css_mix_blend_mode_passthrough"> <div class="et_pb_module et_pb_image et_pb_image_0 project-icon"> <span class="et_pb_image_wrap "><img fetchpriority="high" decoding="async" width="262" height="262" src="https://brownandcaldwell.com/wp-content/uploads/2020/05/innovation-icon-brown-and-caldwell-262_262-1.png" alt="" title="" srcset="https://brownandcaldwell.com/wp-content/uploads/2020/05/innovation-icon-brown-and-caldwell-262_262-1.png 262w, https://brownandcaldwell.com/wp-content/uploads/2020/05/innovation-icon-brown-and-caldwell-262_262-1-150x150.png 150w" sizes="(max-width: 262px) 100vw, 262px" class="wp-image-19993" /></span> </div> </div><div class="et_pb_column et_pb_column_1_2 et_pb_column_1 header-caption-container et_pb_css_mix_blend_mode_passthrough et-last-child"> <div class="et_pb_module et_pb_cta_0 header-text et_pb_promo et_pb_text_align_left et_pb_bg_layout_dark et_pb_no_bg"> <div class="et_pb_promo_description"><div><p>Potable reuse at a fraction of the cost and carbon footprint of full advanced treatment.</p></div></div> </div> </div> </div> </div><div class="et_pb_section et_pb_section_1 bc-scroll-down et_pb_fullwidth_section et_section_regular" > <section class="et_pb_module et_pb_fullwidth_header et_pb_fullwidth_header_0 et_pb_text_align_left et_pb_bg_layout_dark"> <div class="et_pb_fullwidth_header_container left"> </div> <div class="et_pb_fullwidth_header_overlay"></div> <div class="et_pb_fullwidth_header_scroll"><a href="#" class="scroll-down-container"> <span class="scroll-down et-pb-icon">3</span> </a></div> </section> </div><div class="et_pb_section et_pb_section_2 section-top swoop-right hash-mark-right et_section_regular" > <div class="et_pb_row et_pb_row_1 section-top mobile et_pb_equal_columns"> <div class="et_pb_column et_pb_column_4_4 et_pb_column_2 hero-content et_pb_css_mix_blend_mode_passthrough et-last-child"> <div class="et_pb_module et_pb_text et_pb_text_0 title-mobile et_pb_text_align_left et_pb_bg_layout_light"> <div class="et_pb_text_inner"><h1 class="et_pb_module_header">Potable reuse at a fraction of the cost and carbon footprint of full advanced treatment.</h1></div> </div> </div> </div> </div><div class="et_pb_section et_pb_section_3 bc-fullwidth et_section_regular" > <div class="et_pb_row et_pb_row_2"> <div class="et_pb_column et_pb_column_1_2 et_pb_column_3 et_pb_css_mix_blend_mode_passthrough"> <div class="et_pb_module et_pb_text et_pb_text_1 section-header et_pb_text_align_left et_pb_bg_layout_light"> <div class="et_pb_text_inner"><h1><span style="font-size: 36px;">Potable reuse without reverse osmosis</span></h1> <h3>Fewer resources. Better results.</h3> <p><span style="font-size: 18px;">Utilities are exploring options for expanding water resources, including potable reuse. Historically, most planned potable reuse projects in the US have relied on the full advanced treatment (FAT) model, which includes microfiltration/ultrafiltration (MF/UF), reverse osmosis (RO), ultraviolet (UV) light disinfection, and advanced oxidation (AOP). However, this treatment approach is energy-intensive and may pose challenges for inland agencies that do not have a readily accessible concentrate disposal method. In some cases, these constraints prevent utilities from considering potable reuse as an element of a diversified water supply portfolio. </span></p> <p><span style="font-size: 18px;">While ozone- biologically active filtration (BAF) is a combined process already widely used in drinking water treatment plants, application for water reuse is relatively new. There is a large body of data, research, pilots, and full-scale installations that have shown that non-RO advanced treatment trains can be successfully employed in a planned potable reuse scenario, providing water that is equally or potentially more protective of public health than FAT. </span></p> <p><span style="font-size: 18px;">Non-RO based treatment trains open the possibility of potable reuse for communities where concentrate disposal is a limiting factor, and at 40 – 50% of the lifecycle cost (i.e. capital + operational expenses) of the FAT approach. In the case of a full-scale advanced treatment facility at DC Tillman Water Reclamation Facility in Los Angeles, CA, that equates to over $500M in savings over a 30-year period when compared to FAT. </span></p> <p><span style="font-size: 18px;">BC is helping to develop industry guidance for non-RO based treatment, including the WRF Guidance Manual on Biofiltration and the AWWA Manual of Practice for Biological Filtration.</span></p></div> </div> </div><div class="et_pb_column et_pb_column_1_4 et_pb_column_4 et_pb_css_mix_blend_mode_passthrough"> <div class="et_pb_module et_pb_team_member et_pb_team_member_0 et_clickable clearfix et_pb_bg_layout_light"> <div class="et_pb_team_member_image et-waypoint et_pb_animation_off"><img decoding="async" width="156" height="156" data-src="https://brownandcaldwell.com/wp-content/uploads/2020/10/Kati-Bell-brown-and-caldwell.png" alt="Kati Bell, PhD, PE, BCEE" data-srcset="https://brownandcaldwell.com/wp-content/uploads/2020/10/Kati-Bell-brown-and-caldwell.png 156w, https://brownandcaldwell.com/wp-content/uploads/2020/10/Kati-Bell-brown-and-caldwell-150x150.png 150w" data-sizes="(max-width: 156px) 100vw, 156px" class="wp-image-22563 lazyload" data-et-multi-view="{"schema":{"attrs":{"desktop":{"src":"https:\/\/brownandcaldwell.com\/wp-content\/uploads\/2020\/10\/Kati-Bell-brown-and-caldwell.png","alt":"Kati Bell, PhD, PE, BCEE","class":"wp-image-22563","srcset":"https:\/\/brownandcaldwell.com\/wp-content\/uploads\/2020\/10\/Kati-Bell-brown-and-caldwell.png 156w, https:\/\/brownandcaldwell.com\/wp-content\/uploads\/2020\/10\/Kati-Bell-brown-and-caldwell-150x150.png 150w","sizes":"(max-width: 156px) 100vw, 156px"},"tablet":{"src":""}}},"slug":"et_pb_team_member"}" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 156px; --smush-placeholder-aspect-ratio: 156/156;" /><noscript><img decoding="async" width="156" height="156" src="https://brownandcaldwell.com/wp-content/uploads/2020/10/Kati-Bell-brown-and-caldwell.png" alt="Kati Bell, PhD, PE, BCEE" srcset="https://brownandcaldwell.com/wp-content/uploads/2020/10/Kati-Bell-brown-and-caldwell.png 156w, https://brownandcaldwell.com/wp-content/uploads/2020/10/Kati-Bell-brown-and-caldwell-150x150.png 150w" sizes="(max-width: 156px) 100vw, 156px" class="wp-image-22563" data-et-multi-view="{"schema":{"attrs":{"desktop":{"src":"https:\/\/brownandcaldwell.com\/wp-content\/uploads\/2020\/10\/Kati-Bell-brown-and-caldwell.png","alt":"Kati Bell, PhD, PE, BCEE","class":"wp-image-22563","srcset":"https:\/\/brownandcaldwell.com\/wp-content\/uploads\/2020\/10\/Kati-Bell-brown-and-caldwell.png 156w, https:\/\/brownandcaldwell.com\/wp-content\/uploads\/2020\/10\/Kati-Bell-brown-and-caldwell-150x150.png 150w","sizes":"(max-width: 156px) 100vw, 156px"},"tablet":{"src":""}}},"slug":"et_pb_team_member"}" /></noscript></div> <div class="et_pb_team_member_description"> <h4 class="et_pb_module_header">Kati Bell, PhD, PE, BCEE</h4> <p class="et_pb_member_position">Managing Director, Environmental Engineering</p> <div><p>Nashville, TN</p> <p><a class="et_pb_button" href="mailto:kati_bell@brwncald.com">Connect</a></p></div> </div> </div> </div><div class="et_pb_column et_pb_column_1_4 et_pb_column_5 et_pb_css_mix_blend_mode_passthrough et-last-child"> <div class="et_pb_module et_pb_team_member et_pb_team_member_1 et_clickable clearfix et_pb_bg_layout_light"> <div class="et_pb_team_member_image et-waypoint et_pb_animation_off"><img decoding="async" width="156" height="156" data-src="https://brownandcaldwell.com/wp-content/uploads/2019/11/Allgra-Da-Silva-brown-and-caldwell.png" alt="Allegra da Silva, PhD, PE" data-srcset="https://brownandcaldwell.com/wp-content/uploads/2019/11/Allgra-Da-Silva-brown-and-caldwell.png 156w, https://brownandcaldwell.com/wp-content/uploads/2019/11/Allgra-Da-Silva-brown-and-caldwell-150x150.png 150w" data-sizes="(max-width: 156px) 100vw, 156px" class="wp-image-17881 lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 156px; --smush-placeholder-aspect-ratio: 156/156;" /><noscript><img decoding="async" width="156" height="156" src="https://brownandcaldwell.com/wp-content/uploads/2019/11/Allgra-Da-Silva-brown-and-caldwell.png" alt="Allegra da Silva, PhD, PE" srcset="https://brownandcaldwell.com/wp-content/uploads/2019/11/Allgra-Da-Silva-brown-and-caldwell.png 156w, https://brownandcaldwell.com/wp-content/uploads/2019/11/Allgra-Da-Silva-brown-and-caldwell-150x150.png 150w" sizes="(max-width: 156px) 100vw, 156px" class="wp-image-17881" /></noscript></div> <div class="et_pb_team_member_description"> <h4 class="et_pb_module_header">Allegra da Silva, PhD, PE</h4> <p class="et_pb_member_position">Regional Water Reuse Leader</p> <div><p>Denver, CO</p> <p><a class="et_pb_button" href="mailto:Allegra_dasilva@brwncald.com">Connect</a></p></div> </div> </div> </div> </div> </div><div class="et_pb_section et_pb_section_4 l1-section hash-mark-left swoop-left text-left et_pb_with_background et_section_regular section_has_divider et_pb_top_divider" > <div class="et_pb_top_inside_divider et-no-transition"></div> <div class="et_pb_row et_pb_row_3 et_pb_equal_columns"> <div class="et_pb_column et_pb_column_1_2 et_pb_column_6 flex-content et_pb_css_mix_blend_mode_passthrough"> <div class="et_pb_module et_pb_cta_1 btn-light et_pb_promo et_pb_text_align_left et_pb_bg_layout_dark et_pb_no_bg"> <div class="et_pb_promo_description"><h2 class="et_pb_module_header">Is potable reuse a water supply option worth exploring? Are you sensitive to treatment costs? </h2><div><p>Advanced treatment without reverse osmosis (non-RO) provides potable water reuse at a fraction of the cost and carbon footprint of full advanced treatment. Non-RO provides water that is equally or more protective of public health and can recover up to 10% more water than conventional treatment methods. This innovative non-RO approach opens the possibility of a new potable water source for inland communities where brine concentrate disposal is a limiting factor.</p></div></div> </div> </div><div class="et_pb_column et_pb_column_1_2 et_pb_column_7 flex-content et_pb_css_mix_blend_mode_passthrough et-last-child"> <div class="et_pb_module et_pb_cta_2 et_pb_promo et_pb_text_align_center et_pb_bg_layout_dark et_pb_no_bg"> <div class="et_pb_promo_description"><h2 class="et_pb_module_header">50%</h2><div><p style="text-align: center;">Potential reduction in lifecycle cost of traditional potable reuse full advanced treatment trains.</p></div></div> </div> </div> </div> </div><div class="et_pb_section et_pb_section_5 l1-section hash-mark-left swoop-left text-left et_pb_with_background et_section_regular" > <div class="et_pb_row et_pb_row_4 et_pb_equal_columns"> <div class="et_pb_column et_pb_column_4_4 et_pb_column_8 flex-content et_pb_css_mix_blend_mode_passthrough et-last-child"> <div class="et_pb_module et_pb_cta_3 btn-light et_pb_promo et_pb_text_align_left et_pb_bg_layout_dark et_pb_no_bg"> <div class="et_pb_promo_description"><h2 class="et_pb_module_header">Is potable reuse a water supply option worth exploring? Are you sensitive to treatment costs? </h2><div><p>Advanced treatment without reverse osmosis (non-RO) provides potable water reuse at a fraction of the cost and carbon footprint of full advanced treatment. Non-RO provides water that is equally or more protective of public health and can recover up to 10% more water than conventional treatment methods. This innovative non-RO approach opens the possibility of a new potable water source for inland communities where brine concentrate disposal is a limiting factor.</p></div></div> </div><div class="et_pb_module et_pb_cta_4 et_pb_promo et_pb_text_align_center et_pb_bg_layout_dark et_pb_no_bg"> <div class="et_pb_promo_description"><h2 class="et_pb_module_header">50%</h2><div><p>Potential reduction in lifecycle cost of traditional potable reuse full advanced treatment trains.</p></div></div> </div> </div> </div> </div><div class="et_pb_section et_pb_section_6 l1-section hash-mark-left swoop-left text-left et_pb_with_background et_section_regular section_has_divider et_pb_top_divider" > <div class="et_pb_top_inside_divider et-no-transition"></div> <div class="et_pb_row et_pb_row_5 et_pb_equal_columns"> <div class="et_pb_column et_pb_column_1_2 et_pb_column_9 flex-content et_pb_css_mix_blend_mode_passthrough et_pb_column_empty"> </div><div class="et_pb_column et_pb_column_1_2 et_pb_column_10 flex-content et_pb_css_mix_blend_mode_passthrough et-last-child"> <div class="et_pb_module et_pb_cta_5 btn-light et_pb_promo et_pb_text_align_left et_pb_bg_layout_dark et_pb_no_bg"> <div class="et_pb_promo_description"><h2 class="et_pb_module_header">Implementation</h2><div><p>Brown and Caldwell is implementing this innovation to meet our clients’ water reuse and supply goals.</p> <h3> </h3> <h3>LA San DC Tillman, California</h3> <p>Purpose: after pilot validation, advancing towards full-scale implementation anticipated to save more than $500M over 30 years compared to conventional treatment methods.</p> <h3> </h3> <h3>San Diego Pure Water Project, California</h3> <p>Purpose: inclusion of ozone-BAF pilot to validate treatment approach as part of a larger program expected to produce 1/3 of the City’s drinking water by 2035.</p></div></div> </div> </div> </div> </div><div class="et_pb_section et_pb_section_7 l1-section hash-mark-left swoop-left text-left et_pb_with_background et_section_regular" > <div class="et_pb_row et_pb_row_6 et_pb_equal_columns"> <div class="et_pb_column et_pb_column_4_4 et_pb_column_11 flex-content et_pb_css_mix_blend_mode_passthrough et-last-child"> <div class="et_pb_module et_pb_image et_pb_image_1"> <span class="et_pb_image_wrap "><img decoding="async" width="891" height="793" data-src="https://brownandcaldwell.com/wp-content/uploads/2019/06/potable-reuse-without-reverse-osmosis-location-map-05-brown-and-caldwell-1.png" alt="" title="" data-srcset="https://brownandcaldwell.com/wp-content/uploads/2019/06/potable-reuse-without-reverse-osmosis-location-map-05-brown-and-caldwell-1.png 891w, https://brownandcaldwell.com/wp-content/uploads/2019/06/potable-reuse-without-reverse-osmosis-location-map-05-brown-and-caldwell-1-300x267.png 300w, https://brownandcaldwell.com/wp-content/uploads/2019/06/potable-reuse-without-reverse-osmosis-location-map-05-brown-and-caldwell-1-768x684.png 768w" data-sizes="(max-width: 891px) 100vw, 891px" class="wp-image-14345 lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 891px; --smush-placeholder-aspect-ratio: 891/793;" /><noscript><img decoding="async" width="891" height="793" src="https://brownandcaldwell.com/wp-content/uploads/2019/06/potable-reuse-without-reverse-osmosis-location-map-05-brown-and-caldwell-1.png" alt="" title="" srcset="https://brownandcaldwell.com/wp-content/uploads/2019/06/potable-reuse-without-reverse-osmosis-location-map-05-brown-and-caldwell-1.png 891w, https://brownandcaldwell.com/wp-content/uploads/2019/06/potable-reuse-without-reverse-osmosis-location-map-05-brown-and-caldwell-1-300x267.png 300w, https://brownandcaldwell.com/wp-content/uploads/2019/06/potable-reuse-without-reverse-osmosis-location-map-05-brown-and-caldwell-1-768x684.png 768w" sizes="(max-width: 891px) 100vw, 891px" class="wp-image-14345" /></noscript></span> </div><div class="et_pb_module et_pb_cta_6 btn-light et_pb_promo et_pb_text_align_left et_pb_bg_layout_dark et_pb_no_bg"> <div class="et_pb_promo_description"><h2 class="et_pb_module_header">Implementation</h2><div><p>Brown and Caldwell is implementing this innovation to meet our clients’ water reuse and supply goals.</p> <p>LA San DC Tillman, California<br />Purpose: after pilot validation, advancing towards full-scale implementation anticipated to save more than $500M over 30 years compared to conventional treatment methods.</p> <p>San Diego Pure Water Project, California<br />Purpose: inclusion of ozone-BAF pilot to validate treatment approach as part of a larger program expected to produce 1/3 of the City’s drinking water by 2035.</p></div></div> </div> </div> </div> </div><div class="et_pb_section et_pb_section_8 bc-fullwidth ribbon et_section_regular" > <div class="et_pb_row et_pb_row_7"> <div class="et_pb_column et_pb_column_4_4 et_pb_column_12 et_pb_css_mix_blend_mode_passthrough et-last-child"> <div class="et_pb_module 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