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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 methanogenic…

First of all, when comparing HomeBiogas vs. Puxin, both use organic waste to produce organic fertiliser and clean cooking gas; however, their designs and sizes are different. While Puxin offers a modular system better suited for larger rural properties, farms, and commercial uses, HomeBiogas is a popular, plug-and-play, above-ground unit designed for urban and suburban…

Article-At-A-Glance UASB reactors and CSTR digesters are both proven anaerobic treatment technologies, but they serve very different wastewater profiles — choosing the wrong one costs you efficiency, uptime, and money. UASB reactors excel with low-suspended-solids, high-COD wastewater, while CSTRs handle complex, high-solids streams that would clog or crash a UASB. At pH 5, a UASB reactor…

The completion of a landfill gas to renewable natural gas (RNG) project typically takes three to five years. The three main stages are engineering and procurement, construction and commissioning, and feasibility and permitting. Article-At-A-Glance: Landfill Gas to RNG Projects Landfill gas can be converted into pipeline-ready renewable natural gas (RNG) in as little as 12 to 24 months, depending…

During starch wastewater treatment processes, high quantities of organic contaminants and suspended solids are removed from starch effluent using physical, chemical, and biological techniques such as screening, coagulation-flocculation, and anaerobic digestion. Ten to twenty cubic metres of wastewater with a high Chemical Oxygen Demand (COD) are created for every tonne of starch…

Dry fermentation (solid-state AD) and wet anaerobic digestion are both biochemical processes used to convert organic waste into biogas. The primary difference is the moisture content: wet systems process pumpable slurries (<15% dry matter), while dry systems handle stackable solids (20% – 40%+ dry matter). Article-At-A-Glance – Dry Fermentation vs. Wet Anaerobic Digestion The total solids (TS)…

IPPTS Anaerobic Digestion releases a comparison guide evaluating covered lagoon and plug flow digesters for livestock biogas production, helping farmers match system capabilities to operational requirements and sustainability goals. Steve Last, publisher of this website, has released a comparison guide to help livestock farm owners evaluate two dominant technologies for on-farm biogas production:…

Primary keyword: biomethane natural gas replacement Target site: blog.anaerobic-digestion.com Suggested URL slug: /biomethane-natural-gas-replacement/ Meta description: For decades, natural gas has been the backbone of heating, industrial energy, and electricity generation across the UK and Europe. But a quiet revolution has been gathering pace in farm buildings, food factories, and wastewater…

Digestate disposal costs can determine whether an anaerobic digestion plant operates profitably or becomes burdened by an expensive liquid by-product. For many plants, particularly food-waste AD facilities, the problem is not producing digestate. The challenge is finding sufficient suitable land, storing the material until it can be used, transporting a predominantly liquid product and…

The problem is real. Traditional hydrogen production methods cost far too much. They drain budgets and slow down progress towards net-zero goals. Here is where things get interesting for anyone in the anaerobic digestion and biogas industry. The International Energy Agency estimates that global biogas resources could fulfil up to 20 per cent of gas demand and help lower emissions significantly.…

Digestate transport involves moving nutrient-rich bio-fertiliser from anaerobic digestion (AD) plants to agricultural land or storage lagoons. Usually, articulated trucks, farm trailers or specialised vacuum tankers are used to handle it. To maximise the benefits of nutrients and adhere to environmental rules, proper logistics are essential. Digestate Transport – Key Takeaways Digestate is a…

In February 2022, we published an article based on European Biogas Association data showing that biomethane had become cheaper than natural gas by as much as 30% — a striking claim at a time when the Russian invasion of Ukraine had sent UK wholesale gas prices spiralling to historic highs. Four years on, the energy landscape looks very different. This article reassesses where biomethane stands…

LPG Alternatives: Top alternatives to LPG gas for cooking include electric induction cooktops, infrared cooktops, biogas, piped natural gas (PNG), and electric appliances like pressure cookers. For rural or off-grid areas, bioLPG, solar cookers, and rocket stoves are sustainable options. These alternatives offer benefits ranging from lower carbon emissions to increased energy efficiency and…

Digestate fertilizer, a nutrient-rich bio-fertilizer produced via anaerobic digestion, can significantly lowers soil nutrient costs for farms. By replacing expensive synthetic fertilizers with whole or separated digestate, growers can easily save between $135 to $150 (£110 to £120 per hectare, according to Farmers Weekly, while improving overall soil health and long-term crop yields. Key…

Could medium-sized farms and existing anaerobic digestion plants soon turn raw biogas into useful, fuel-grade biomethane without needing a full gas-to-grid project? That is the inspiring prospect raised by Bennamann’s biomethane upgrading and Bio-CNG refuelling technology. For many years, the UK farm biogas sector has been shaped by subsidy regimes, electricity generation, CHP engines, heat use,…

Why do farms build expensive Biogas Digester Tanks when they could just add a plastic membrane cover to an existing manure storage SSAFO slurry lagoon and have a covered lagoon digester? A covered lagoon digester is a large, in-ground anaerobic treatment pond topped with an impermeable, flexible cover to capture biogas. It breaks down agricultural or industrial organic waste to capture…

Biomethane production costs typically range from €50–€110/MWh, largely dependent on feedstock and technology, often competing with volatile natural gas prices, with 45 bcme of global potential cost-competitive with fossil natural gas. In the transport sector, advanced biomethane from waste is being produced for approximately USD 0.45–0.55/LGE. The Story in Brief: Biomethane production costs…