Anglian Water invests in dewatering technology to meet renewable energy targets

Anglian Water is investing £1m to optimise screenings and dewatering efficiency at ten sewage treatment works, supporting its targets for enhanced sludge treatment capacity and renewable energy generation.

One of Anglian Water's sewage treatment works, King's Lynn

One of Anglian Water's sewage treatment works, King's Lynn

The water utility firm will install 22 hydro 'SludgeScreen' units, developed by Hydro International, at sewage treatment works across the East of England to ensure effective and efficient screening procedures to protect equipment and help optimise sludge output.

According to Anglian Water's special projects technical manager, Steve Riches: "This investment outweighs the costs of unforeseen blockages, maintenance and downtime, which could affect biogas production efficiency".

Anglian Water is upgrading its sludge treatment operations to support its Special Projects Biosolids Programme under its capital investment plans.

It aims to process at least 80% of its sludge output by advanced anaerobic digestion by the end of 2015.

The water utility firm said that optimising biogas production efficiency is essential to meeting targets to generate around 87GWh of electricity annually.

The investment is Anglian Water's latest move towards its target of energy self-sufficiency through a programme of building combined heat and power plants, aiming for a total installed capacity of 20MW.

Leigh Stringer


anaerobic digestion | Effluent Treatment


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