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Sewage to biogas in London

A sewage work upgrade project planned by UK utility provider Thames Water will also introduce an anaerobic digestion process, where solid waste is broken down in enclosed tanks in the absence of oxygen.

This process forms biogas which can be used to generate renewable energy, and it is intended to produce enough energy to power the entire site.

Thames Water began the £85 million (€94.7 million) upgrade at Riverside Sewage Works in east London to improve the quality of water in the River Thames.

These upgrades form part of a larger £675 million project to modernise London’s five main sewage works.