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Struggling with impurities in biogas? You're not alone. Many face the challenge of purifying biogas to ensure it's suitable for use. One effective solution stands out: using activated carbon for biogas purification.

This method targets pollutants like hydrogen sulphide and volatile organic compounds, ensuring cleaner, more efficient energy from sour...


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In an anaerobic digester, the role of methanogens is to work together with a consortium of other microorganisms to break down organic waste and produce methane. Read on to learn about these fascinating microbes.

Methanogens in Anaerobic Digestion – Key Points Methanogens are unique microorganisms that carry out the last essential step in...


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Ammonia inhibition is a major cause of failure in anaerobic digestion facilities (AD) of nitrogen-rich substrates (e.g., manure, food waste), primarily caused by high concentrations of free ammonia NH3. Inhibition, severely reduces methane production. It generally occurs when total ammonia nitrogen (TAN) exceeds 1.5–3 g/L, NH3) being more tox...


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How much biogas is an important question. The amount of biogas produced varies greatly by feedstock, with examples like cattle slurry yielding 15-25 m³/ton, poultry 30-100 m³/ton, and grass silage 160-200 m³/ton, while 1 kg of kitchen waste can yield about 0.07 m³ of methane, enough to power a lamp for 50 hours or drive an eco-car 1-2 km.


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Recent developments in CO₂ separation membrane technology mean that there are big improvements in these selective barriers (often hollow fibre or spiral-wound) that allow carbon dioxide to pass through faster than other gases. This technology uses the solution-diffusion mechanism, driven by partial pressure differences, to purify gas streams for applications like biogas upgra...


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