Anglian Water is investing £1 million to install Hydro International’s innovative SludgeScreenTM technology to optimise screenings and dewatering efficiency at ten sewage treatment works, supporting its targets for enhanced sludge treatment capacity and renewable energy generation.
A total of 22 Hydro SludgeScreenTM units are being installed at works across the East of England to ensure effective and efficient screening procedures to protect equipment and help optimise sludge output. The investment brings the total number of units installed by Hydro throughout the region to 75.
Anglian Water’s Special Projects Technical Manager, Steve Riches, commented:
“The SludgeScreen™ units provide high performance screening and dewatering. The equipment protects downstream equipment such as pumps, heat exchangers and anaerobic digesters from difficult inclusions such as rag which evade mechanical screening.
“SludgeScreen™ gives us increased operating confidence as our experience has shown that investment in these units completely 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 AMP5 capital investment plans. The utility is aiming to process at least 80% of its sludge output by advanced anaerobic digestion by the end of 2015.
Optimising biogas production efficiency is essential to help meet targets to generate around 87GWh of electricity annually. Anglian Water is making significant progress 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.
The new SludgeScreen™ units are being installed at main and satellite sewage treatment works across the Anglian Water region at sites from Lincolnshire to Suffolk and Essex, in separate contracts delivered by Black and Veatch and GTM, a joint venture between Imtech Process and Galliford Try.
Chris Day, Operations Director for Hydro Wastewater in the UK added:
“The SludgeScreen™ installations will be delivered to nearly all the Anglian Water sites as ‘packaged units.”
“The units will be platform mounted with control panels fitted and complete. This greatly reduces the time required to install the SludgeScreenTM units on site. As a result, they can be commissioned and brought into operation very quickly to support Anglian Water’s project timescales.”
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