Anaerobic Digestion
Optimizing Anaerobic Digestion: How Chemical Dosing Cabinets Ensure Biological Stability & Process Reliability
The Importance of Best Practice in the Provision of Precise Dosing in Anaerobic Digestion Process Control Maintaining optimal biology inside an anaerobic digester requires precise chemical control. Whether adding alkalis (such as sodium hydroxide or lime) to buffer pH against Volatile Fatty Acid (VFA) accumulation, dosing trace elements (like cobalt, nickel, and iron) to feed […]
Anaerobic Digestion Process Steps: The 4 Stages Explained
Anaerobic digestion takes place through four closely connected biological process steps: hydrolysis, acidogenesis, acetogenesis and methanogenesis. Together, these microbial stages convert complex organic material into biogas—principally methane and carbon dioxide—and digestate. New to the subject? Start with our complete introduction to anaerobic digestion. This article concentrates specifically on the biochemical process steps, the compounds produced at each stage […]
How Depackaging Equipment Improves Biogas Yield in Anaerobic Digestion Plants
Depackaging equipment transforms food waste into cleaner feedstock for anaerobic digestion, enhancing biogas yield. By removing contaminants and maximizing organic recovery, these systems boost volatile solids and stabilize microbial activity, as seen at facilities like Bio-En Power. Discover how this technology optimizes operational efficiency…
How Anaerobic Digestion Reduced Farm Fertiliser Costs to One Third
Can anaerobic digestion materially reduce a farm’s fertiliser costs? The answer depends on the feedstocks, crops, land availability, digestate analysis, storage and spreading arrangements. However, one established Irish biogas plant reported a particularly striking result: annual fertiliser costs that had previously been about €100,000 were reduced to one-third of that level. This article examines how digestate […]
Precision Machining and Metal Fabrication for Anaerobic Digestion Pumps
Anaerobic digestion plants may be recognised by their large tanks, pipework and gas holders, but some of their hardest-working components are hidden inside pumps and macerators. Precisely machined rotors, shafts, wear plates, cutting parts and sealing surfaces help keep abrasive, fibrous feedstock moving towards the digester—and keep a small mechanical problem from becoming a costly […]
UASB Reactors vs. CSTR Digesters: Which Is Better for Industrial Wastewater Treatment?
UASB reactors and CSTR digesters are cornerstones in industrial wastewater treatment. Each has unique strengths: UASB shines in low-solids environments, while CSTR excels with high-solids streams. Choosing the right one means optimizing efficiency and costs. Learn where each technology truly excels and breaks down…
Landfill Gas to RNG Project Timeline: From Feasibility to First Gas Delivery
Landfill gas to RNG projects, taking 3-5 years, transform landfill gas into renewable energy. The process involves engineering, construction, and feasibility studies. With a higher energy yield than biogas electricity, these projects utilize cutting-edge technology for pipeline-ready biomethane production, proving efficient and sustainable energy solutions…
Starch Wastewater Treatment Processes Guide: Anaerobic Digestion & Alternatives
Starch wastewater is a high-organic-load effluent from starch production. Anaerobic digestion emerges as a top solution, achieving high COD removal while generating biogas. Advanced reactors handle massive volumes, but a combination of treatments tailored to specific criteria is key for effective management…
Dry Fermentation vs. Wet Anaerobic Digestion: Which Works Best for Municipal Solid Waste?
Comparing dry fermentation and wet anaerobic digestion for municipal solid waste treatment reveals key differences. Dry systems handle higher total solids and offer greater feedstock flexibility, while wet systems excel in energy and economic performance. The optimal choice depends on your specific waste stream and processing goals…
Landia Long-Coupled Chopper Pumps Support Food Waste Biogas Application with HAYLEY DEXIS
In food waste anaerobic digestion, the right pump is rarely just a pump. It is a key part of the plant’s configuration, uptime, maintenance strategy, hygiene control and long-term reliability. That is why pump configuration matters so much in demanding AD and biogas applications. Food waste can be fibrous, viscous, abrasive and unpredictable. It may […]
Compressed Biogas in Africa: Could Cylinder-Based Anaerobic Digestion Unlock a Clean Cooking Revolution?
The potential for a massive increase in anaerobic digestion in Africa is no longer just a theoretical opportunity. It is becoming a practical energy, health and waste-management proposition — especially where new biogas cylinder compression technologies make it possible to distribute clean cooking fuel beyond the immediate site of a biogas plant. Recent meetings between […]
How To Use Biochar To Boost Methane Yield In Food Waste To Energy AD Plants
How to use biochar to make biogas. Does your anaerobic digestion plant feel like it’s constantly fighting against itself? Acid buildup slows things down. Your microbes get stressed. Production drops, especially rapidly, at food waste biogas plants. You reach for chemical buffers. They cost money and bring fresh problems with them. Many waste professionals face […]
