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What is Biomethane and Anaerobic Digestion Gas to Grid Definition

It is a good question to ask; “What is biomethane and anaerobic digestion gas to grid”, but for the first part (biomethane) don’t expect always to get the same answer! Many people use the term biomethane interchangeably as if it means the same as biogas. In fact, when the term “biomethane” is used correctly the […]

Septic Tank emptying in-progress.

Septic Tanks: Are they Anaerobic Digesters?

We have been asked the question of whether Septic Tanks are Anaerobic Digesters several times recently. The short answer is yes. They utilize the anaerobic digestion process for the treatment (albeit only partial at a slow rate, and not to watercourse discharge standards) of sewage. They are used from isolated locations where inhabited dwellings are […]

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Biomethane from Sewage Sludge at Minworth STW Heats 3,000 UK Homes

This is the story of how one UK water utility company is making biomethane from sewage sludge and helping the UK meet emissions reduction targets. They are purifying biogas into pure methane (biomethane) renewable energy, and reducing carbon dioxide emissions substantially. They are doing this by using their own sewage sludge waste product at Minworth Sewage […]