{"id":787,"date":"2026-07-21T12:38:56","date_gmt":"2026-07-21T11:38:56","guid":{"rendered":"https:\/\/dominionbiogas.com\/?post_type=product&#038;p=787"},"modified":"2026-07-21T13:14:49","modified_gmt":"2026-07-21T12:14:49","slug":"hdpe-biodigester-system","status":"publish","type":"product","link":"https:\/\/dominionbiogas.com\/fr\/produit\/hdpe-biodigester-system\/","title":{"rendered":"HDPE Biodigester System"},"content":{"rendered":"<p><!-- WHY CHOOSE HDPE --><\/p>\n<section style=\"background: #ffffff; border: 1px solid #e1ebe4; border-radius: 22px; padding: 40px; margin-bottom: 38px; box-shadow: 0 10px 28px rgba(20,70,45,.06);\">\n<div style=\"color: #0b7a4d; font-size: 13px; font-weight: 900; letter-spacing: 1px; text-transform: uppercase;\">Why Choose HDPE?<\/div>\n<h2 style=\"font-size: 38px; color: #123b2b; margin: 10px 0 18px;\">Modern Biodigester Technology<\/h2>\n<p style=\"font-size: 17px;\">High-Density Polyethylene (HDPE) biodigesters represent one of the most advanced technologies for anaerobic digestion. Their corrosion resistance, lightweight construction, factory-controlled manufacturing and rapid installation make them suitable for a wide range of residential, commercial, institutional and agricultural applications.<\/p>\n<p style=\"font-size: 17px;\">Each Dominion HDPE Biodigester is engineered according to the client&#8217;s waste generation, energy demand, hydraulic retention time and available installation space to ensure reliable long-term performance.<\/p>\n<\/section>\n<p><!-- KEY BENEFITS --><\/p>\n<section style=\"margin-bottom: 45px;\">\n<div style=\"text-align: center; margin-bottom: 30px;\">\n<div style=\"color: #0b7a4d; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px;\">Advantages<\/div>\n<h2 style=\"font-size: 36px; color: #123b2b; margin-top: 10px;\">Why Clients Choose HDPE Biodigesters<\/h2>\n<\/div>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(250px,1fr)); gap: 18px;\">\n<div style=\"background: #F6FAF7; padding: 25px; border-radius: 16px; border-left: 5px solid #11955B;\">\u26a1 <strong>Fast Installation<\/strong><br \/>\nFactory-manufactured units reduce construction time significantly.<\/div>\n<div style=\"background: #F6FAF7; padding: 25px; border-radius: 16px; border-left: 5px solid #11955B;\">\ud83d\udee1 <strong>Corrosion Resistant<\/strong><br \/>\nHDPE is highly resistant to corrosion and aggressive wastewater environments.<\/div>\n<div style=\"background: #F6FAF7; padding: 25px; border-radius: 16px; border-left: 5px solid #11955B;\">\ud83d\ude9a <strong>Easy Transportation<\/strong><br \/>\nLightweight construction simplifies logistics and installation.<\/div>\n<div style=\"background: #F6FAF7; padding: 25px; border-radius: 16px; border-left: 5px solid #11955B;\">\ud83d\udd27 <strong>Low Maintenance<\/strong><br \/>\nSmooth internal surfaces reduce sediment build-up and simplify maintenance.<\/div>\n<div style=\"background: #F6FAF7; padding: 25px; border-radius: 16px; border-left: 5px solid #11955B;\">\u267b <strong>\u00c9nergies renouvelables<\/strong><br \/>\nProduces clean biogas while improving waste management.<\/div>\n<div style=\"background: #F6FAF7; padding: 25px; border-radius: 16px; border-left: 5px solid #11955B;\">\ud83c\udf31 <strong>Environmentally Friendly<\/strong><br \/>\nSupports sustainable waste treatment and greenhouse gas reduction.<\/div>\n<div style=\"background: #F6FAF7; padding: 25px; border-radius: 16px; border-left: 5px solid #11955B;\">\ud83d\udcc8 <strong>Expandable<\/strong><br \/>\nAdditional storage, purification and distribution systems can be integrated.<\/div>\n<div style=\"background: #F6FAF7; padding: 25px; border-radius: 16px; border-left: 5px solid #11955B;\">\ud83c\udfd7 <strong>Professional Engineering<\/strong><br \/>\nEach installation is customised to meet project-specific requirements.<\/div>\n<\/div>\n<\/section>\n<p><!-- APPLICATIONS --><\/p>\n<section style=\"background: #ffffff; border-radius: 22px; padding: 40px; margin-bottom: 40px;\">\n<div style=\"text-align: center; margin-bottom: 30px;\">\n<div style=\"color: #0b7a4d; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px;\">Applications<\/div>\n<h2 style=\"font-size: 36px; color: #123b2b;\">Suitable For<\/h2>\n<\/div>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 18px;\">\n<div style=\"background: #f6faf7; padding: 22px; border-radius: 15px;\">\ud83c\udfe0 <strong>Residential Homes<\/strong><\/div>\n<div style=\"background: #f6faf7; padding: 22px; border-radius: 15px;\">\ud83c\udfe2 <strong>Apartments<\/strong><\/div>\n<div style=\"background: #f6faf7; padding: 22px; border-radius: 15px;\">\ud83c\udfe8 <strong>H\u00f4tels<\/strong><\/div>\n<div style=\"background: #f6faf7; padding: 22px; border-radius: 15px;\">\ud83c\udfe5 <strong>H\u00f4pitaux<\/strong><\/div>\n<div style=\"background: #f6faf7; padding: 22px; border-radius: 15px;\">\ud83c\udfeb <strong>\u00c9coles<\/strong><\/div>\n<div style=\"background: #f6faf7; padding: 22px; border-radius: 15px;\">\ud83c\udf7d <strong>Restaurants<\/strong><\/div>\n<div style=\"background: #f6faf7; padding: 22px; border-radius: 15px;\">\ud83d\udc04 <strong>Livestock Farms<\/strong><\/div>\n<div style=\"background: #f6faf7; padding: 22px; border-radius: 15px;\">\ud83c\udfed <strong>Commercial Facilities<\/strong><\/div>\n<\/div>\n<\/section>\n<p><!-- CAPACITY TABLE --><\/p>\n<section style=\"background: #ffffff; border: 1px solid #E3ECE6; border-radius: 22px; padding: 40px; margin-bottom: 40px;\">\n<div style=\"color: #0b7a4d; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px;\">Available Sizes<\/div>\n<h2 style=\"font-size: 36px; color: #123b2b; margin: 12px 0 25px;\">Typical Capacity Options<\/h2>\n<div style=\"overflow-x: auto;\">\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr style=\"background: #0B7047; color: #fff;\">\n<th style=\"padding: 16px;\">Capacity<\/th>\n<th style=\"padding: 16px;\">Recommended Application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">2\u20134 m\u00b3<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Small households<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">6\u201310 m\u00b3<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Large homes and restaurants<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">15\u201320 m\u00b3<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Hotels, schools and farms<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px;\">30\u201350+ m\u00b3<\/td>\n<td style=\"padding: 15px;\">Commercial and institutional projects<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<p><!-- ENGINEERING SPECIFICATIONS --><\/p>\n<section style=\"background: #ffffff; border: 1px solid #e1ebe4; border-radius: 22px; padding: 40px; margin-bottom: 40px; box-shadow: 0 10px 28px rgba(20,70,45,.06);\">\n<div style=\"color: #0b7a4d; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px;\">Engineering Specifications<\/div>\n<h2 style=\"font-size: 36px; color: #123b2b; margin: 12px 0 22px;\">Designed Around Your Waste, Energy Demand and Site Conditions<\/h2>\n<p style=\"font-size: 17px; color: #526b60; margin: 0 0 24px;\">Final specifications are determined after site assessment and engineering calculations. The table below presents the principal design elements considered for a Dominion HDPE Biodigester System.<\/p>\n<div style=\"overflow-x: auto;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 700px;\">\n<tbody>\n<tr>\n<td style=\"width: 34%; padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Digester Material<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">High-Density Polyethylene selected for wastewater and anaerobic digestion applications<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Nominal Capacity<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">2 m\u00b3 to 50 m\u00b3 and larger custom-engineered configurations<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Installation Position<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Underground, partially buried or above-ground where technically appropriate<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Feedstock Options<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Animal manure, kitchen waste, human waste and approved mixed organic feedstock<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Hydraulic Retention Time<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Calculated according to feedstock characteristics, temperature, loading and treatment objective<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Daily Feeding Rate<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Determined from digester working volume and selected retention time<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Inlet System<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Feed preparation chamber, inlet pipe and optional mixing or pre-treatment system<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Outlet System<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Digestate outlet, displacement chamber or controlled overflow arrangement<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Gas Outlet<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Gas-tight outlet connection with isolation valve and approved accessories<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Gas Pressure Management<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Pressure-relief arrangement, regulation and storage integration where required<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Gas Treatment<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Condensate management, hydrogen-sulphide filtration and optional carbon-dioxide reduction<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Gas Distribution<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">HDPE, PPR or other approved gas pipeline selected according to route and pressure requirements<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Foundation and Bedding<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Compacted base, sand bedding, concrete foundation or engineered support according to site conditions<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Backfilling<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Controlled selected material placed and compacted to protect the digester<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Inspection Access<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Access ports, inspection points or maintenance openings according to system design<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7; font-weight: 800; color: #123b2b;\">Testing<\/td>\n<td style=\"padding: 16px; border-bottom: 1px solid #e5ece7;\">Leak testing, hydraulic testing, gas-system testing and commissioning verification<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 16px; font-weight: 800; color: #123b2b;\">Final Configuration<\/td>\n<td style=\"padding: 16px;\">Issued after assessment, calculations, equipment selection and client approval<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<p><!-- INSTALLATION PROCESS --><\/p>\n<section style=\"background: #f2f8f4; border-radius: 22px; padding: 42px 30px; margin-bottom: 40px;\">\n<div style=\"text-align: center; max-width: 820px; margin: 0 auto 30px;\">\n<div style=\"color: #0b7a4d; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px;\">Installation Process<\/div>\n<h2 style=\"font-size: 36px; color: #123b2b; margin: 10px 0 12px;\">Professional Delivery From Assessment to Commissioning<\/h2>\n<p style=\"font-size: 17px; color: #526b60; margin: 0;\">Every HDPE biodigester project follows a controlled technical workflow designed to protect the equipment and ensure reliable operation.<\/p>\n<\/div>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 16px;\">\n<div style=\"background: #ffffff; border-radius: 16px; padding: 24px; text-align: center;\">\n<div style=\"width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: #0b7047; color: #ffffff; font-weight: 900; margin: 0 auto 13px;\">1<\/div>\n<h3 style=\"color: #123b2b; margin: 0 0 8px;\">Consultation<\/h3>\n<p style=\"font-size: 14px; margin: 0;\">Project objectives, waste streams, available land and energy needs are reviewed.<\/p>\n<\/div>\n<div style=\"background: #ffffff; border-radius: 16px; padding: 24px; text-align: center;\">\n<div style=\"width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: #0b7047; color: #ffffff; font-weight: 900; margin: 0 auto 13px;\">2<\/div>\n<h3 style=\"color: #123b2b; margin: 0 0 8px;\">\u00c9valuation du site<\/h3>\n<p style=\"font-size: 14px; margin: 0;\">Ground conditions, drainage, access, pipe routing and installation space are inspected.<\/p>\n<\/div>\n<div style=\"background: #ffffff; border-radius: 16px; padding: 24px; text-align: center;\">\n<div style=\"width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: #0b7047; color: #ffffff; font-weight: 900; margin: 0 auto 13px;\">3<\/div>\n<h3 style=\"color: #123b2b; margin: 0 0 8px;\">Feedstock Study<\/h3>\n<p style=\"font-size: 14px; margin: 0;\">Daily waste quantities, solids content and expected gas potential are evaluated.<\/p>\n<\/div>\n<div style=\"background: #ffffff; border-radius: 16px; padding: 24px; text-align: center;\">\n<div style=\"width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: #0b7047; color: #ffffff; font-weight: 900; margin: 0 auto 13px;\">4<\/div>\n<h3 style=\"color: #123b2b; margin: 0 0 8px;\">System Design<\/h3>\n<p style=\"font-size: 14px; margin: 0;\">Capacity, retention time, inlet, outlet, gas line and accessories are specified.<\/p>\n<\/div>\n<div style=\"background: #ffffff; border-radius: 16px; padding: 24px; text-align: center;\">\n<div style=\"width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: #0b7047; color: #ffffff; font-weight: 900; margin: 0 auto 13px;\">5<\/div>\n<h3 style=\"color: #123b2b; margin: 0 0 8px;\">Site Preparation<\/h3>\n<p style=\"font-size: 14px; margin: 0;\">Excavation, foundation preparation, drainage and safe access are completed.<\/p>\n<\/div>\n<div style=\"background: #ffffff; border-radius: 16px; padding: 24px; text-align: center;\">\n<div style=\"width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: #0b7047; color: #ffffff; font-weight: 900; margin: 0 auto 13px;\">6<\/div>\n<h3 style=\"color: #123b2b; margin: 0 0 8px;\">Digester Placement<\/h3>\n<p style=\"font-size: 14px; margin: 0;\">The HDPE unit is carefully positioned, levelled, supported and protected.<\/p>\n<\/div>\n<div style=\"background: #ffffff; border-radius: 16px; padding: 24px; text-align: center;\">\n<div style=\"width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: #0b7047; color: #ffffff; font-weight: 900; margin: 0 auto 13px;\">7<\/div>\n<h3 style=\"color: #123b2b; margin: 0 0 8px;\">Connections<\/h3>\n<p style=\"font-size: 14px; margin: 0;\">Inlet, outlet, gas outlet, valves, piping and safety devices are installed.<\/p>\n<\/div>\n<div style=\"background: #ffffff; border-radius: 16px; padding: 24px; text-align: center;\">\n<div style=\"width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: #0b7047; color: #ffffff; font-weight: 900; margin: 0 auto 13px;\">8<\/div>\n<h3 style=\"color: #123b2b; margin: 0 0 8px;\">Testing<\/h3>\n<p style=\"font-size: 14px; margin: 0;\">The system is checked for leaks, correct flow, structural support and gas readiness.<\/p>\n<\/div>\n<div style=\"background: #ffffff; border-radius: 16px; padding: 24px; text-align: center;\">\n<div style=\"width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: #f5c842; color: #173126; font-weight: 900; margin: 0 auto 13px;\">9<\/div>\n<h3 style=\"color: #123b2b; margin: 0 0 8px;\">Commissioning<\/h3>\n<p style=\"font-size: 14px; margin: 0;\">The system is activated, monitored and handed over with operating guidance.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<p><!-- COMPONENTS INCLUDED --><\/p>\n<section style=\"margin-bottom: 40px;\">\n<div style=\"text-align: center; max-width: 800px; margin: 0 auto 28px;\">\n<div style=\"color: #0b7a4d; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px;\">System Package<\/div>\n<h2 style=\"font-size: 36px; color: #123b2b; margin: 10px 0 12px;\">What the HDPE Biodigester Package Can Include<\/h2>\n<\/div>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(255px,1fr)); gap: 16px;\">\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">01.<\/strong> Site assessment and engineering consultation<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">02.<\/strong> Feedstock and gas-demand analysis<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">03.<\/strong> HDPE biodigester unit<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">04.<\/strong> Inlet pipe and feed chamber<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">05.<\/strong> Outlet and digestate chamber<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">06.<\/strong> Gas outlet and isolation valve<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">07.<\/strong> Gas distribution pipeline<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">08.<\/strong> Condensate trap or moisture control<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">09.<\/strong> Pressure-relief and regulation components<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">10.<\/strong> Gas-treatment equipment where specified<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">11.<\/strong> Testing, activation and commissioning<\/div>\n<div style=\"background: #ffffff; border: 1px solid #dfeae3; border-radius: 15px; padding: 23px;\"><strong style=\"color: #0b7047;\">12.<\/strong> User training and maintenance guidance<\/div>\n<\/div>\n<\/section>\n<p><!-- OPTIONAL UPGRADES --><\/p>\n<section style=\"background: #ffffff; border: 1px solid #e1ebe4; border-radius: 22px; padding: 40px; margin-bottom: 40px;\">\n<div style=\"color: #0b7a4d; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px;\">Optional Upgrades<\/div>\n<h2 style=\"font-size: 36px; color: #123b2b; margin: 10px 0 20px;\">Expand the System as Your Needs Grow<\/h2>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(245px,1fr)); gap: 15px;\">\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Flexible Gas Storage Balloon<\/strong><br \/>\nStores excess gas and balances production with consumption.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Hydrogen-Sulphide Filter<\/strong><br \/>\nReduces corrosive and odorous hydrogen sulphide.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Advanced Moisture Removal<\/strong><br \/>\nProtects pipelines and appliances from condensate accumulation.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Pressure Regulation Unit<\/strong><br \/>\nSupports more stable gas delivery to appliances.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Feedstock Grinder or Mixer<\/strong><br \/>\nImproves the preparation of food waste and mixed organic materials.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Multiple Gas-Use Points<\/strong><br \/>\nAllows one system to supply several suitable appliances or buildings.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Biogas Cooker Package<\/strong><br \/>\nIncludes suitable burners, valves and connection accessories.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Electricity Generation Package<\/strong><br \/>\nAvailable where gas volume and quality support a suitable generator.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Monitoring Instruments<\/strong><br \/>\nCan include pressure, temperature, pH and gas-flow monitoring.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Digestate Handling System<\/strong><br \/>\nSupports collection, storage and controlled agricultural use.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Parallel Digester Expansion<\/strong><br \/>\nAdditional HDPE units can be integrated to increase total capacity.<\/div>\n<div style=\"background: #f6faf7; border-radius: 14px; padding: 20px;\"><strong style=\"display: block; color: #0b7047; margin-bottom: 6px;\">Maintenance Contract<\/strong><br \/>\nProvides scheduled inspection and professional system support.<\/div>\n<\/div>\n<\/section>\n<p><!-- HDPE VS FIXED DOME --><\/p>\n<section style=\"margin-bottom: 40px;\">\n<div style=\"text-align: center; margin-bottom: 30px;\">\n<div style=\"color: #0b7a4d; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px;\">Technology Comparison<\/div>\n<h2 style=\"font-size: 36px; color: #123b2b; margin-top: 10px;\">HDPE vs Fixed-Dome Biodigesters<\/h2>\n<p style=\"max-width: 850px; margin: 15px auto 0; font-size: 17px; color: #526b60;\">Both technologies are excellent when properly designed. The best choice depends on project objectives, budget, available land, construction conditions and long-term operational requirements.<\/p>\n<\/div>\n<div style=\"overflow-x: auto;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 760px;\">\n<thead>\n<tr style=\"background: #0B7047; color: #ffffff;\">\n<th style=\"padding: 16px; text-align: left;\">Feature<\/th>\n<th style=\"padding: 16px; text-align: left;\">HDPE Biodigester<\/th>\n<th style=\"padding: 16px; text-align: left;\">Fixed Dome Biodigester<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\"><strong>Installation Speed<\/strong><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Very Fast<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Longer Civil Construction<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\"><strong>Corrosion Resistance<\/strong><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Excellent<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Depends on construction quality<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\"><strong>Weight<\/strong><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Lightweight<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Heavy reinforced structure<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\"><strong>Construction Time<\/strong><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Days<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Several weeks<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\"><strong>Maintenance<\/strong><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Low<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Low when properly constructed<\/td>\n<\/tr>\n<tr style=\"background: #f7faf8;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\"><strong>Expansion<\/strong><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Easy Modular Expansion<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #ddd;\">Requires New Civil Works<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<p><!-- WHY DOMINION --><\/p>\n<section style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(320px,1fr)); gap: 24px; margin-bottom: 40px;\">\n<div style=\"background: linear-gradient(145deg,#0b7047,#06462f); padding: 40px; border-radius: 22px; color: #ffffff;\">\n<div style=\"color: #f5c842; font-size: 13px; font-weight: 900; letter-spacing: 1px; text-transform: uppercase;\">Why Dominion Biogas Services<\/div>\n<h2 style=\"font-size: 36px; margin: 12px 0 18px; color: #ffffff;\">Engineering Before Installation<\/h2>\n<p style=\"font-size: 17px; color: #e9fff5;\">An HDPE biodigester is only as good as the engineering behind it. Proper sizing, hydraulic calculations, feedstock analysis, gas demand estimation, installation quality and commissioning determine long-term performance.<\/p>\n<p style=\"font-size: 17px; color: #e9fff5;\">Our projects are designed by trained engineers to maximise safety, durability, gas production and operational reliability.<\/p>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #e3ece6; border-radius: 22px; padding: 35px;\">\n<div style=\"margin-bottom: 18px;\"><strong style=\"color: #0b7047;\">\u2713 Site Assessment<\/strong>Every installation begins with professional engineering evaluation.<\/p>\n<\/div>\n<div style=\"margin-bottom: 18px;\"><strong style=\"color: #0b7047;\">\u2713 Custom Design<\/strong>No two projects are designed exactly the same.<\/p>\n<\/div>\n<div style=\"margin-bottom: 18px;\"><strong style=\"color: #0b7047;\">\u2713 Quality Installation<\/strong>Experienced technicians ensure proper positioning and commissioning.<\/p>\n<\/div>\n<div style=\"margin-bottom: 18px;\"><strong style=\"color: #0b7047;\">\u2713 Training<\/strong>Every client receives operational and maintenance guidance.<\/p>\n<\/div>\n<div><strong style=\"color: #0b7047;\">\u2713 Long-Term Support<\/strong>Maintenance, troubleshooting and future expansion support are available.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<p><!-- SAFETY NOTICE --><\/p>\n<section style=\"background: #FFF8DE; border-left: 6px solid #F5C842; padding: 28px; border-radius: 16px; margin-bottom: 40px;\">\n<h3 style=\"color: #5e4b12; font-size: 26px; margin-top: 0;\">Important Safety Notice<\/h3>\n<p>Installation of an HDPE biodigester requires correct excavation, structural support, backfilling, pipe routing, pressure management and gas testing. Improper installation may reduce system performance or damage the equipment.<\/p>\n<p style=\"margin-bottom: 0;\">All installations should be carried out by qualified personnel following approved engineering procedures.<\/p>\n<\/section>\n<p><!-- FAQ --><\/p>\n<section style=\"margin-bottom: 45px;\">\n<div style=\"text-align: center; margin-bottom: 30px;\">\n<div style=\"color: #0b7047; font-size: 13px; font-weight: 900; letter-spacing: 1px; text-transform: uppercase;\">Frequently Asked Questions<\/div>\n<h2 style=\"font-size: 38px; color: #123b2b; margin-top: 10px;\">Questions Clients Frequently Ask<\/h2>\n<\/div>\n<div style=\"display: grid; gap: 16px;\">\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">How long does an HDPE biodigester last?<\/summary>\n<p style=\"margin-top: 15px;\">When professionally installed, operated and maintained, an HDPE biodigester can provide reliable service for many years. Actual service life depends on installation quality, operating conditions and maintenance.<\/p>\n<\/details>\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">Can it be installed above ground?<\/summary>\n<p style=\"margin-top: 15px;\">Yes. Depending on engineering requirements and site conditions, HDPE biodigesters may be installed underground, partially buried or above ground.<\/p>\n<\/details>\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">Can it receive kitchen waste?<\/summary>\n<p style=\"margin-top: 15px;\">Yes. Kitchen waste, animal manure and other approved biodegradable organic materials may be used where the system is designed for those feedstocks.<\/p>\n<\/details>\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">Can it power commercial kitchens?<\/summary>\n<p style=\"margin-top: 15px;\">Yes. Commercial applications are possible where the biodigester capacity, gas production and distribution system are engineered to meet the required demand.<\/p>\n<\/details>\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">Can the system be expanded later?<\/summary>\n<p style=\"margin-top: 15px;\">Yes. Additional HDPE digesters, gas storage, purification systems and distribution networks can be integrated as project requirements grow.<\/p>\n<\/details>\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">Do I need gas purification?<\/summary>\n<p style=\"margin-top: 15px;\">That depends on the intended application. Cooking systems often require moisture control and hydrogen sulphide reduction, while higher-value applications may require additional gas upgrading.<\/p>\n<\/details>\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">Can electricity be generated?<\/summary>\n<p style=\"margin-top: 15px;\">Yes, provided the biodigester produces sufficient gas volume and quality for an appropriately selected generator system.<\/p>\n<\/details>\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">Is maintenance difficult?<\/summary>\n<p style=\"margin-top: 15px;\">Routine maintenance is generally straightforward and includes monitoring, periodic inspection and servicing of valves, pipelines and gas-treatment equipment.<\/p>\n<\/details>\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">Can I install it myself?<\/summary>\n<p style=\"margin-top: 15px;\">Professional installation is strongly recommended. Proper excavation, bedding, connections, pressure management, testing and commissioning are essential for safe and reliable operation.<\/p>\n<\/details>\n<details style=\"background: #ffffff; border: 1px solid #dfe8e2; border-radius: 14px; padding: 20px;\">\n<summary style=\"font-weight: bold; color: #123b2b; cursor: pointer;\">Why is there no fixed price?<\/summary>\n<p style=\"margin-top: 15px;\">Every project differs in capacity, feedstock, excavation requirements, accessories, gas demand and installation conditions. A quotation is prepared after technical assessment.<\/p>\n<\/details>\n<\/div>\n<\/section>\n<p><!-- FINAL CTA --><\/p>\n<section style=\"background: linear-gradient(135deg,#0B7047,#18A56B); padding: 60px 35px; border-radius: 24px; color: #ffffff; text-align: center; overflow: hidden; position: relative;\">\n<div style=\"position: absolute; top: -80px; right: -70px; width: 230px; height: 230px; border-radius: 50%; background: rgba(255,255,255,.08);\"><\/div>\n<div style=\"position: absolute; bottom: -90px; left: -70px; width: 210px; height: 210px; border-radius: 50%; background: rgba(255,255,255,.08);\"><\/div>\n<div style=\"position: relative; z-index: 2; max-width: 850px; margin: auto;\">\n<div style=\"display: inline-block; background: #F5C842; color: #173126; padding: 8px 18px; border-radius: 40px; font-size: 13px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 20px;\">Start Your Renewable Energy Project<\/div>\n<h2 style=\"font-size: 44px; line-height: 1.15; margin-bottom: 20px; color: #ffffff;\">Invest in a Modern HDPE Biodigester Engineered for Long-Term Performance<\/h2>\n<p style=\"font-size: 19px; color: #e9fff5; margin-bottom: 35px;\">Whether you require a residential, commercial, institutional or agricultural system, Dominion Biogas Services provides professional engineering, installation, commissioning and long-term technical support.<\/p>\n<p><a style=\"display: inline-block; background: #F5C842; color: #173126; padding: 18px 34px; border-radius: 10px; text-decoration: none; font-weight: 800; font-size: 18px; margin-right: 12px;\" href=\"\/fr\/request-a-quote\/\"><br \/>\nDemander un devis<br \/>\n<\/a><\/p>\n<p><a style=\"display: inline-block; background: #ffffff; color: #0b7047; padding: 18px 34px; border-radius: 10px; text-decoration: none; font-weight: 800; font-size: 18px;\" href=\"https:\/\/wa.me\/237674104681\" target=\"_blank\" rel=\"noopener\"><br \/>\nTalk to an Engineer<br \/>\n<\/a><\/p>\n<div style=\"margin-top: 35px; font-size: 15px; color: #e9fff5; line-height: 1.8;\"><strong>Services de biogaz Dominion<\/strong><br \/>\nRenewable Energy \u2022 Waste-to-Energy \u2022 Biodigester Engineering \u2022 Professional Installation \u2022 Training &amp; Consultancy<\/p>\n<\/div>\n<\/div>\n<\/section>\n\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>The Dominion HDPE Biodigester System is a modern, durable and professionally engineered anaerobic digestion solution designed for residential, commercial, institutional and agricultural applications. Manufactured from high-quality High-Density Polyethylene (HDPE), these systems provide efficient organic waste treatment and renewable biogas production with faster installation, corrosion resistance and long service life. Each project is engineered to suit the client&#8217;s feedstock, energy demand and site conditions.<\/p>","protected":false},"featured_media":788,"comment_status":"open","ping_status":"closed","template":"","meta":{"postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[22,19],"product_tag":[137,134,135,133,136],"class_list":["post-787","product","type-product","status-publish","has-post-thumbnail","product_cat-biodigesters","product_cat-physical-equipment","product_tag-biofertilizer","product_tag-fixed-dome","product_tag-renewable-energy","product_tag-residential-biogas","product_tag-waste-management","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","featured","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/dominionbiogas.com\/fr\/wp-json\/wp\/v2\/product\/787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dominionbiogas.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/dominionbiogas.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/dominionbiogas.com\/fr\/wp-json\/wp\/v2\/comments?post=787"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dominionbiogas.com\/fr\/wp-json\/wp\/v2\/media\/788"}],"wp:attachment":[{"href":"https:\/\/dominionbiogas.com\/fr\/wp-json\/wp\/v2\/media?parent=787"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/dominionbiogas.com\/fr\/wp-json\/wp\/v2\/product_brand?post=787"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/dominionbiogas.com\/fr\/wp-json\/wp\/v2\/product_cat?post=787"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/dominionbiogas.com\/fr\/wp-json\/wp\/v2\/product_tag?post=787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}