{"id":10609,"date":"2025-11-25T09:36:40","date_gmt":"2025-11-25T12:36:40","guid":{"rendered":"https:\/\/grupoep.com.br\/artigos\/biogas-generation-from-a-wastewater-treatment-plant\/"},"modified":"2026-01-08T12:09:29","modified_gmt":"2026-01-08T15:09:29","slug":"biogas-generation-from-a-wastewater-treatment-plant","status":"publish","type":"post","link":"https:\/\/grupoep.com.br\/en\/artigos\/biogas-generation-from-a-wastewater-treatment-plant\/","title":{"rendered":"Biogas Generation from a Wastewater Treatment Plant"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10609\" class=\"elementor elementor-10609 elementor-10591\" wpc-filter-elementor-widget=\"1\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-62d64da e-flex e-con-boxed e-con e-parent\" data-id=\"62d64da\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-57a6eed elementor-widget elementor-widget-text-editor\" data-id=\"57a6eed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Generating biogas from <\/span><span style=\"font-weight: 400;\">from <\/span><span style=\"font-weight: 400;\">a <\/span><span style=\"font-weight: 400;\">biogas <\/span><span style=\"font-weight: 400;\">Treatment <\/span><span style=\"font-weight: 400;\">Treatment <\/span><span style=\"font-weight: 400;\">Treatment Plant (STP) is a sustainable way of taking advantage of the organic matter in waste, reducing energy costs and environmental impacts.<\/span><span style=\"font-weight: 400;\">.<br><br><\/span><\/p>\n<h3><b>Main Steps to Generate Biogas  <\/b><\/h3>\n<ol>\n<li><span style=\"font-weight: 400;\"> <strong> Sludge production:<\/strong> During sewage treatment<\/span><span style=\"font-weight: 400;\">,  <\/span><span style=\"font-weight: 400;\">the  <\/span><span style=\"font-weight: 400;\">formation of biological sludge<\/span><span style=\"font-weight: 400;\">,  <\/span><span style=\"font-weight: 400;\">rich residue  <\/span><span style=\"font-weight: 400;\">in  <\/span><span style=\"font-weight: 400;\">matter  <\/span><span style=\"font-weight: 400;\">organic, which  <\/span><span style=\"font-weight: 400;\">\u00e9  <\/span><span style=\"font-weight: 400;\">a  <\/span><span style=\"font-weight: 400;\">main material<\/span><span style=\"font-weight: 400;\">cousin  <\/span><span style=\"font-weight: 400;\">for the  <\/span><span style=\"font-weight: 400;\">production  <\/span><span style=\"font-weight: 400;\">of  <\/span><span style=\"font-weight: 400;\">biogas<\/span><span style=\"font-weight: 400;\">.  <\/span><\/li>\n<li> <strong> Anaerobic digestion: <\/strong><span style=\"font-weight: 400;\">The sludge <\/span><span style=\"font-weight: 400;\">is sent to <\/span><span style=\"font-weight: 400;\">an anaerobic digester<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">where <\/span><span style=\"font-weight: 400;\">microorganisms degrade the <\/span><span style=\"font-weight: 400;\">organic <\/span><span style=\"font-weight: 400;\">matter without oxygen<\/span><span style=\"font-weight: 400;\">. <\/span><span style=\"font-weight: 400;\">This generates biogas and digestate<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li> <strong> Collection and storage: <\/strong><span style=\"font-weight: 400;\">O <\/span><span style=\"font-weight: 400;\">biogas <\/span><span style=\"font-weight: 400;\">\u00e9 <\/span> <span style=\"font-weight: 400;\">collected in the biodigester and stored in tanks. It can be purified to increase the concentration of methane <\/span><span style=\"font-weight: 400;\">.  <\/span><\/li>\n<li> <strong> Energy use: <\/strong><span style=\"font-weight: 400;\">Biogas <\/span><span style=\"font-weight: 400;\">can be <\/span><span style=\"font-weight: 400;\">used to generate <\/span><span style=\"font-weight: 400;\">generation<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">thermal <\/span><span style=\"font-weight: 400;\">or transformed into biomethane for use as fuel.<\/span><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">.<\/span><\/span><\/span>\n<p> <\/p>\n<\/li>\n<\/ol>\n<h3><b>Common technologies in WWTPs  <br><\/b><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"><strong>UASB reactors<\/strong> (Upflow <\/span><span style=\"font-weight: 400;\">Anaerobic <\/span><span style=\"font-weight: 400;\">Sludge Blanket): treat sewage from <\/span><span style=\"font-weight: 400;\">anaerobically <\/span><span style=\"font-weight: 400;\">anaerobic form and generate biogas directly<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li><span style=\"font-weight: 400;\"><strong>Closed sludge digesters: <\/strong><\/span><span style=\"font-weight: 400;\">ideal <\/span><span style=\"font-weight: 400;\">for large WWTPs<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li><span style=\"font-weight: 400;\"><strong>Covered anaerobic lagoons:<\/strong> lower cost solution, where the <\/span><span style=\"font-weight: 400;\">tarpaulin <\/span><span style=\"font-weight: 400;\">captures the biogas<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<\/ul>\n<p> <\/p>\n<p><b>Benefits <\/b><\/p>\n<ul>\n<li> <span style=\"font-weight: 400;\"> Reducing electricity costs<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li><span style=\"font-weight: 400;\">Lower emission of <\/span><span style=\"font-weight: 400;\">gases <\/span><span style=\"font-weight: 400;\">greenhouse <\/span><span style=\"font-weight: 400;\">emission<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li><b> <\/b><span style=\"font-weight: 400;\">More sustainable disposal of sludge<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li> <span style=\"font-weight: 400;\"> Possibility of <\/span><span style=\"font-weight: 400;\">generate <\/span><span style=\"font-weight: 400;\">revenue from carbon credits or <\/span><span style=\"font-weight: 400;\">selling <\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">.<\/span><\/span><\/span>\n<p> <\/p>\n<\/li>\n<\/ul>\n<p><b>Points of attention  <\/b><\/p>\n<ul>\n<li> <span style=\"font-weight: 400;\"> Control required <\/span><span style=\"font-weight: 400;\">organic <\/span><span style=\"font-weight: 400;\">load <\/span><span style=\"font-weight: 400;\">and temperature to maintain <\/span><span style=\"font-weight: 400;\">efficient digestion<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li> <span style=\"font-weight: 400;\"> Treatment of <\/span><span style=\"font-weight: 400;\">H2S <\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">highly <\/span><span style=\"font-weight: 400;\">corrosive)<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li> <span style=\"font-weight: 400;\"> Assess economic viability: requires investment in biodigesters and systems <\/span><span style=\"font-weight: 400;\">systems <\/span><span style=\"font-weight: 400;\">systems<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8ba68b elementor-widget elementor-widget-heading\" data-id=\"e8ba68b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Flowchart of the Biogas Generation Process  \n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-804dd53 elementor-widget elementor-widget-image\" data-id=\"804dd53\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/fluxograma_biogas-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wp-image-10610\" alt=\"\" srcset=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/fluxograma_biogas-300x300.png 300w, https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/fluxograma_biogas-150x150.png 150w, https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/fluxograma_biogas-100x100.png 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff355ad elementor-widget elementor-widget-text-editor\" data-id=\"ff355ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><b>Biogas Production Estimates (Summary)  <\/b><\/h3>\n<p><span style=\"font-weight: 400;\">A <\/span><span style=\"font-weight: 400;\">biogas production depends on <\/span><span style=\"font-weight: 400;\">on the organic <\/span><span style=\"font-weight: 400;\">load of the sewage<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">efficiency <\/span><span style=\"font-weight: 400;\">of <\/span><span style=\"font-weight: 400;\">efficiency and operating conditions<\/span><span style=\"font-weight: 400;\">. <\/span><span style=\"font-weight: 400;\">Typical values <\/span><span style=\"font-weight: 400;\">for <\/span><span style=\"font-weight: 400;\">WWTPs <\/span><span style=\"font-weight: 400;\">are<\/span><span style=\"font-weight: 400;\">: <\/span> <\/p>\n<p><span style=\"font-weight: 400;\">&#8211; <\/span><span style=\"font-weight: 400;\">ETE <\/span><span style=\"font-weight: 400;\">Small (100 <\/span><span style=\"font-weight: 400;\">m3<\/span><span style=\"font-weight: 400;\">\/<\/span><span style=\"font-weight: 400;\">day): <\/span><span style=\"font-weight: 400;\">~4 m3 <\/span><span style=\"font-weight: 400;\">of biogas<\/span><span style=\"font-weight: 400;\">\/<\/span><span style=\"font-weight: 400;\">day (~84 MJ<\/span><span style=\"font-weight: 400;\">\/day<\/span><span style=\"font-weight: 400;\">)<\/span><span style=\"font-weight: 400;\">. <\/span> <\/p>\n<p><span style=\"font-weight: 400;\">&#8211;  <\/span><span style=\"font-weight: 400;\">ETE Average  <\/span><span style=\"font-weight: 400;\">(1.000 m3\/<\/span><span style=\"font-weight: 400;\">day)<\/span><span style=\"font-weight: 400;\">:  <\/span><span style=\"font-weight: 400;\">~42 m3 of biogas<\/span><span style=\"font-weight: 400;\">\/day (<\/span><span style=\"font-weight: 400;\">~840 MJ\/<\/span><span style=\"font-weight: 400;\">day<\/span><span style=\"font-weight: 400;\">,  <\/span><span style=\"font-weight: 400;\">equivalent  <\/span><span style=\"font-weight: 400;\">a ~<\/span><span style=\"font-weight: 400;\">70  <\/span><span style=\"font-weight: 400;\">kWh<\/span><span style=\"font-weight: 400;\">\/<\/span><span style=\"font-weight: 400;\">day of  <\/span><span style=\"font-weight: 400;\">electricity)<\/span><span style=\"font-weight: 400;\">.  <\/span><\/p>\n<p><span style=\"font-weight: 400;\">These figures are conservative estimates and may vary depending on the quality of the sewage, <\/span><span style=\"font-weight: 400;\">type of <\/span><span style=\"font-weight: 400;\">digester and adoption <\/span><span style=\"font-weight: 400;\">of <\/span><span style=\"font-weight: 400;\">technologies <\/span><span style=\"font-weight: 400;\">pre<\/span><span style=\"font-weight: 400;\">&#8211;<\/span><span style=\"font-weight: 400;\">treatment <\/span><span style=\"font-weight: 400;\">or co-digestion technologies<\/span><span style=\"font-weight: 400;\">. <\/span> <\/p>\n<p> <\/p>\n<p><b>Operational Challenges  <\/b><\/p>\n<ul>\n<li> <span style=\"font-weight: 400;\"> Control <\/span><span style=\"font-weight: 400;\">organic <\/span><span style=\"font-weight: 400;\">organic load <\/span><span style=\"font-weight: 400;\">and stability <\/span><span style=\"font-weight: 400;\">stability<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li><span style=\"font-weight: 400;\">Need to remove <\/span><span style=\"font-weight: 400;\">gases (<\/span><span style=\"font-weight: 400;\">H2S<\/span><span style=\"font-weight: 400;\">) from biogas<\/span><span style=\"font-weight: 400;\">. <\/span> <\/li>\n<li> <span style=\"font-weight: 400;\"> Preventive maintenance of equipment and continuous monitoring<\/span><span style=\"font-weight: 400;\">. <\/span><span style=\"font-weight: 400;\">Complexity <\/span><span style=\"font-weight: 400;\">of <\/span><span style=\"font-weight: 400;\">operation<\/span><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">.<\/span><\/span>\n<p> <\/p>\n<\/li>\n<\/ul>\n<p><b>Advantages of Outsourcing Operations  <\/b><\/p>\n<ul>\n<li>Specialized teams ensure greater efficiency and safety.<\/li>\n<li>Reducing the risk of operational failures.<\/li>\n<li>Access to up-to-date technologies and practices.<\/li>\n<li>Company\/municipality focus on core business, delegating technical management.<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72f1dbf elementor-widget elementor-widget-image\" data-id=\"72f1dbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"482\" src=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/comparativo_biogas-600x482.png\" class=\"attachment-woocommerce_single size-woocommerce_single wp-image-10611\" alt=\"\" srcset=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/comparativo_biogas-600x482.png 600w, https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/comparativo_biogas-300x241.png 300w, https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/comparativo_biogas-768x616.png 768w, https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/comparativo_biogas.png 917w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-593c19c elementor-widget elementor-widget-heading\" data-id=\"593c19c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f77c309 elementor-widget elementor-widget-text-editor\" data-id=\"f77c309\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The generation of biogas from Wastewater Treatment Plants represents a strategic solution for transforming an unavoidable waste product &#8211; sludge &#8211; into a renewable source of energy. By incorporating appropriate technologies and good operating practices, it is possible to reduce costs, minimize environmental impacts and increase the energy efficiency of the sanitation system. Although there are challenges related to process control, contaminant removal and initial investment, the benefits far outweigh the difficulties, especially when you rely on specialized teams or outsourced services to guarantee performance and safety.  <\/p><p>In this way, the use of biogas is consolidated as a viable, sustainable path that is aligned with current demands for innovation and circular economy in the sanitation sector.<br><br>EP Engenharia implements this and various other technologies to develop customized solutions for clients.<br><a href=\"https:\/\/grupoep.com.br\/products\/treatment-plants\/?lang=en\"><strong><span style=\"text-decoration: underline;\">Find out more about our products here.<\/span><\/strong><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Generating biogas from from a biogas Treatment Treatment Treatment Plant (STP) is a sustainable way of taking advantage of the organic matter in waste, reducing energy costs and environmental impacts.. Main Steps to Generate Biogas Sludge production: During sewage treatment, the formation of biological sludge, rich residue in matter organic, which \u00e9 a main materialcousin [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":11313,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[178],"tags":[333,219,134],"class_list":["post-10609","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eng","tag-biogas","tag-wastewater-treatment-plant","tag-wwtp"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Biogas Generation from a Wastewater Treatment Plant - Grupo EP<\/title>\n<meta name=\"description\" content=\"Generating biogas from a sewage treatment plant (STP) is a sustainable way of using organic matter from waste, reducing energy costs and environmental impacts.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/grupoep.com.br\/en\/artigos\/biogas-generation-from-a-wastewater-treatment-plant\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Biogas Generation from a Wastewater Treatment Plant\" \/>\n<meta property=\"og:description\" content=\"Generating biogas from a sewage treatment plant (STP) is a sustainable way of using organic matter from waste, reducing energy costs and environmental impacts.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/grupoep.com.br\/en\/artigos\/biogas-generation-from-a-wastewater-treatment-plant\/\" \/>\n<meta property=\"og:site_name\" content=\"Grupo EP\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/epengenharia\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-25T12:36:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-08T15:09:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2025\/11\/imagens-para-site.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1438\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"antonio.medeiros\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"antonio.medeiros\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/artigos\\\/biogas-generation-from-a-wastewater-treatment-plant\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/artigos\\\/biogas-generation-from-a-wastewater-treatment-plant\\\/\"},\"author\":{\"name\":\"antonio.medeiros\",\"@id\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/#\\\/schema\\\/person\\\/6ee5ebfd419704406338ca92e0622291\"},\"headline\":\"Biogas Generation from a Wastewater Treatment Plant\",\"datePublished\":\"2025-11-25T12:36:40+00:00\",\"dateModified\":\"2026-01-08T15:09:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/artigos\\\/biogas-generation-from-a-wastewater-treatment-plant\\\/\"},\"wordCount\":507,\"publisher\":{\"@id\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/artigos\\\/biogas-generation-from-a-wastewater-treatment-plant\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/grupoep.com.br\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/imagens-para-site.jpg\",\"keywords\":[\"biogas\",\"wastewater treatment plant\",\"WWTP\"],\"articleSection\":[\"english\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/artigos\\\/biogas-generation-from-a-wastewater-treatment-plant\\\/\",\"url\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/artigos\\\/biogas-generation-from-a-wastewater-treatment-plant\\\/\",\"name\":\"Biogas Generation from a Wastewater Treatment Plant - 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