Daveyhulme sewage works in Manchester uses boilers to convert bio gas from human waste to electricity.


Biodigesters at United Utilities Daveyhulme plant which process's all of Manchester sewage and deals with 714 million litres a day. The sewage sludge from the plant is put in huge biodigesters which produce biogas from the human waste. This biogas is 70% methane a potent greenhouse gas that is more than 20 times efficient as a greenhouse gas than C02. The biogas is burnt on site in a heat and pwer plant, preventing its release into the atmosphere. The plant generates around 7 megawatt of electricity per day from the renewable biogas.


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