{"id":10044,"date":"2026-09-14T11:52:32","date_gmt":"2026-09-14T11:52:32","guid":{"rendered":"https:\/\/www.stereau.com\/realisation\/voreppe-isere\/"},"modified":"2026-09-14T12:50:29","modified_gmt":"2026-09-14T12:50:29","slug":"voreppe-isere","status":"publish","type":"realisation","link":"https:\/\/www.stereau.com\/en\/our-achievements\/voreppe-isere\/","title":{"rendered":"Voreppe (Is\u00e8re)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10044\" class=\"elementor elementor-10044 elementor-10026\" data-elementor-post-type=\"realisation\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5b3f4488 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5b3f4488\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4409069f\" data-id=\"4409069f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-64dc827f elementor-align-center widget-post-info-realisation elementor-widget elementor-widget-post-info\" data-id=\"64dc827f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-d6e5750 elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<span class=\"elementor-post-info__terms-list-item\">Sludge recovery<\/span>, <span class=\"elementor-post-info__terms-list-item\">Wastewater<\/span>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-ab363bb elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<span class=\"elementor-post-info__terms-list-item\"><\/span>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4a9e84ee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4a9e84ee\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6624eb9e\" data-id=\"6624eb9e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cb4230c elementor-widget elementor-widget-heading\" data-id=\"cb4230c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Aquantis: when wastewater generates energy for the Pays Voironnais<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4fba81d2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4fba81d2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-1967b7c2\" data-id=\"1967b7c2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-7e6614a7\" data-id=\"7e6614a7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-503eb7fe elementor-widget elementor-widget-text-editor\" data-id=\"503eb7fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Commissioned in 1994, the Aquantis wastewater treatment plant was facing a steady rise in hydraulic and pollutant loads driven by the area&#8217;s growth. In 2023, the Pays Voironnais urban community entrusted Stereau with the Aquantis-Voreppe project, tasked with expanding the facility&#8217;s treatment capacity and strengthening its depollution performance, particularly for nitrogen, all while embedding the project in an ambitious energy transition approach. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-1f20e190\" data-id=\"1f20e190\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-10636e8 bg_2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"10636e8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a0cf65f\" data-id=\"a0cf65f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4b73f3 elementor-widget elementor-widget-image\" data-id=\"4b73f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.stereau.com\/wp-content\/uploads\/2026\/09\/step_aquantis_voreppe_26032026_2-1024x768.jpeg\" class=\"attachment-large size-large wp-image-10030\" alt=\"Stereau designs and delivers the Aquantis Wastewater Treatment Plant expansion.\" srcset=\"https:\/\/www.stereau.com\/wp-content\/uploads\/2026\/09\/step_aquantis_voreppe_26032026_2-1024x768.jpeg 1024w, https:\/\/www.stereau.com\/wp-content\/uploads\/2026\/09\/step_aquantis_voreppe_26032026_2-300x225.jpeg 300w, https:\/\/www.stereau.com\/wp-content\/uploads\/2026\/09\/step_aquantis_voreppe_26032026_2-768x576.jpeg 768w, https:\/\/www.stereau.com\/wp-content\/uploads\/2026\/09\/step_aquantis_voreppe_26032026_2-1536x1152.jpeg 1536w, https:\/\/www.stereau.com\/wp-content\/uploads\/2026\/09\/step_aquantis_voreppe_26032026_2-2048x1536.jpeg 2048w, https:\/\/www.stereau.com\/wp-content\/uploads\/2026\/09\/step_aquantis_voreppe_26032026_2-380x285.jpeg 380w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6cca9aa7\" data-id=\"6cca9aa7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c8f067b title_text elementor-widget elementor-widget-heading\" data-id=\"4c8f067b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The challenges<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f4ef85c elementor-widget elementor-widget-text-editor\" data-id=\"5f4ef85c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Increase the treatment capacity of the Aquantis wastewater treatment plant to support the demographic and economic growth of the Pays Voironnais<\/li><li>Meet new environmental requirements by strengthening treatment performance, particularly for nitrogen removal, to sustainably preserve the quality of water discharged into the Is\u00e8re<\/li><li>Turn sewage sludge into an energy resource through a complete anaerobic digestion and biomethane production line, injectable into the GRDF network<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1e7bfb8f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1e7bfb8f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-49486708\" data-id=\"49486708\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-24783e6 title_text elementor-widget elementor-widget-heading\" data-id=\"24783e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Our solutions<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35768ef2 elementor-widget elementor-widget-text-editor\" data-id=\"35768ef2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Stereau designed and carried out the expansion of the Aquantis wastewater treatment plant, combining enhanced treatment performance with energy recovery from sludge. The project is built around the addition of a primary settling stage, the optimization of biological treatment for nitrogen removal, and the modernization of existing equipment. <\/p><p>At the heart of the facility, a complete anaerobic digestion line converts sludge from wastewater treatment into biogas, which is then purified into biomethane and injected into the GRDF network. The system includes a 2,500 m\u00b3 digester, a 500 m\u00b3 gas holder, and a membrane purification unit, enabling the production of local renewable energy from the area&#8217;s own resources. <\/p><p>All the work was carried out while keeping the plant operational, ensuring continuous wastewater treatment throughout the entire project.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7a8589a9\" data-id=\"7a8589a9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62ba7937 title_text elementor-widget elementor-widget-heading\" data-id=\"62ba7937\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Benefits<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-237c08fc elementor-widget elementor-widget-text-editor\" data-id=\"237c08fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><p>Increased treatment capacity of the plant to sustainably meet the area&#8217;s needs, with capacity raised to 94,800 PE.<\/p><\/li><li><p>Local biomethane production from sewage sludge, contributing to the development of renewable energy and the ecological transition of the Pays Voironnais.<\/p><\/li><li><p>Improved treatment performance, particularly for nitrogen removal, for better preservation of the receiving natural environment.<\/p><\/li><li><p>Recovery of sludge from several wastewater treatment plants in the area, in line with a circular economy approach and the optimization of local resources.<\/p><p> <\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1b7a34ac elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1b7a34ac\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ece54d5\" data-id=\"ece54d5\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-369b2a75 elementor-widget elementor-widget-heading\" data-id=\"369b2a75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">\u00ab Through anaerobic digestion, sludge generated during wastewater treatment is converted into renewable energy and injected into the natural gas grid. \u00bb<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2245ccc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2245ccc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-785531fc\" data-id=\"785531fc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1febbe6c elementor-widget elementor-widget-heading\" data-id=\"1febbe6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">94,800 PE<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e69f94d elementor-widget elementor-widget-heading\" data-id=\"4e69f94d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Treatment capacity after expansion\n<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-7e9b5e6\" data-id=\"7e9b5e6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c7fe62d elementor-widget elementor-widget-heading\" data-id=\"4c7fe62d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">2,500 m\u00b3\n<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70ac3f6a elementor-widget elementor-widget-heading\" data-id=\"70ac3f6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Anaerobic digester volume\n<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-6c27e4c5\" data-id=\"6c27e4c5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5851ad9e elementor-widget elementor-widget-heading\" data-id=\"5851ad9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">100 Nm\u00b3\/h<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39d21e62 elementor-widget elementor-widget-heading\" data-id=\"39d21e62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Biomethane injection capacity into the GRDF gas network<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-62c6fcbe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"62c6fcbe\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6742b4a0\" data-id=\"6742b4a0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1ac2f394 elementor-widget elementor-widget-heading\" data-id=\"1ac2f394\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Other achievements<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-53472352 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"53472352\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4f0a089b\" data-id=\"4f0a089b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6ce40e4e elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-widget elementor-widget-plus\" data-id=\"6ce40e4e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;columns&quot;:&quot;3&quot;,&quot;columns_tablet&quot;:&quot;2&quot;,&quot;columns_mobile&quot;:&quot;1&quot;,&quot;row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"plus.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-classic elementor-grid elementor-has-item-ratio\">\n\t\t\t\t\t\t<article class=\"elementor-post elementor-grid-item post-8900 realisation type-realisation status-publish has-post-thumbnail hentry categorie-sludge-recovery categorie-wastewater perimetre_geographique-south-west\" data-lang= \"en\">\n\n\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.stereau.com\/en\/our-achievements\/castres-tarn\/\">\n\t\t\t\t\t\t\t<div class=\"_elementor-post__thumbnail wc_thumbnail\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/ville-de-castres-scaled.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Stereau Water Transition\" srcset=\"https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/ville-de-castres-scaled.jpg 2560w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/ville-de-castres-300x200.jpg 300w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/ville-de-castres-1024x683.jpg 1024w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/ville-de-castres-768x512.jpg 768w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/ville-de-castres-1536x1024.jpg 1536w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/ville-de-castres-2048x1365.jpg 2048w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/ville-de-castres-380x253.jpg 380w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t \n\t\t\t\t\t<div class=\"_elementor-post__text\">\n\t\t\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>Sludge recovery, Wastewater<\/span><span class=\"separateur\">|<\/span><span class=\"perimetre\">South West<\/span>\n\t\t\t\t\t\t\t \n\t\t\t\t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.stereau.com\/en\/our-achievements\/castres-tarn\/\">Castres (Tarn)<\/a>\n\t\t\t\t\t\t \n\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"post-btns\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\n\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t<article class=\"elementor-post elementor-grid-item post-8849 realisation type-realisation status-publish has-post-thumbnail hentry categorie-wastewater perimetre_geographique-center-east perimetre_geographique-switzerland\" data-lang= \"en\">\n\n\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.stereau.com\/en\/our-achievements\/aubenas-ardeche-2\/\">\n\t\t\t\t\t\t\t<div class=\"_elementor-post__thumbnail wc_thumbnail\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"477\" src=\"https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/villette-step-travaux.jpeg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Villette Wastewater Treatment Plant (Annemasse) - A Franco-Swiss Cross-Border Project for Wastewater Micropollutant Removal\" srcset=\"https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/villette-step-travaux.jpeg 800w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/villette-step-travaux-300x179.jpeg 300w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/villette-step-travaux-768x458.jpeg 768w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/11\/villette-step-travaux-380x227.jpeg 380w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t \n\t\t\t\t\t<div class=\"_elementor-post__text\">\n\t\t\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>Wastewater<\/span><span class=\"separateur\">|<\/span><span class=\"perimetre\">Center East, Switzerland<\/span>\n\t\t\t\t\t\t\t \n\t\t\t\t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.stereau.com\/en\/our-achievements\/aubenas-ardeche-2\/\">Villette-Annemasse (Switzerland)<\/a>\n\t\t\t\t\t\t \n\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"post-btns\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\n\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t<article class=\"elementor-post elementor-grid-item post-8116 realisation type-realisation status-publish has-post-thumbnail hentry categorie-sludge-recovery perimetre_geographique-northern-france-and-paris-region\" data-lang= \"en\">\n\n\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.stereau.com\/en\/our-achievements\/exona-evry-essonne\/\">\n\t\t\t\t\t\t\t<div class=\"_elementor-post__thumbnail wc_thumbnail\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"564\" height=\"423\" src=\"https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/03\/exona_evry3.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/03\/exona_evry3.jpg 564w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/03\/exona_evry3-300x225.jpg 300w, https:\/\/www.stereau.com\/wp-content\/uploads\/2024\/03\/exona_evry3-380x285.jpg 380w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/>\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t \n\t\t\t\t\t<div class=\"_elementor-post__text\">\n\t\t\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>Sludge recovery<\/span><span class=\"separateur\">|<\/span><span class=\"perimetre\">Northern France and Paris Region<\/span>\n\t\t\t\t\t\t\t \n\t\t\t\t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.stereau.com\/en\/our-achievements\/exona-evry-essonne\/\">Exona-Evry (Essonne)<\/a>\n\t\t\t\t\t\t \n\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"post-btns\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\n\t\t\t\t<\/article>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-11028d67 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"11028d67\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-74f77733\" data-id=\"74f77733\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Aquantis: when wastewater generates energy for the Pays Voironnais Commissioned in 1994, the Aquantis wastewater treatment plant was facing a steady rise in hydraulic and pollutant loads driven by the area&#8217;s growth. In 2023, the Pays Voironnais urban community entrusted Stereau with the Aquantis-Voreppe project, tasked with expanding the facility&#8217;s treatment capacity and strengthening its [&hellip;]<\/p>\n","protected":false},"featured_media":10028,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"Aquantis: when wastewater generates energy for the Pays Voironnais","_seopress_titles_desc":"Stereau upgraded the Aquantis wastewater treatment plant (94,800 PE) for Pays Voironnais, enhancing nitrogen treatment performance while transforming sludge into biomethane for injection into the GRDF gas 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