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Summary
Around 4,000 homes in west London will soon be heated using sewage sludge converted into gas, Thames Water has said.
The company has confirmed that a “gas-to-grid” system at its Mogden sewage works in Isleworth will start converting sewage into biomethane £early this year”.
The scheme is Thames Water’s second in London, having previously established a similar facility at Deephams sewage works in Edmonton.
Sewage sludge is a by-product of the sewage treatment process, which is then digested to produce biogas. This biogas is typically used to generate electricity, using Combined Heat and Power engines. The new facility will mean that a portion of the biogas is instead taken and filtered, so that it can be used as fuel for cooking and heating.
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