S:MAX SRU:10 increases capacity and efficiency at Thames Water

Thames Water Wantage Sewage Treatment Works is enjoying increased production time following the installation of an S:MAX sludge screen from CDEnviro.

The introduction of the S:Max SRU:10 has allowed the site to increase their sludge handling capacity and improve the efficiency of their sludge screening operations overall.

The Thames Water Wantage sewage works serves 250,000 people, the introduction of an S:MAX sludge screen at the site is part of a £5.4 million improvement project to improve the quality of waste water. Thames Water serves 14 million wastewater customers with 350 sewage works treating an average of more than 4bn litres per day.

The S:MAX SRU:10 sludge screen is specifically designed to handle a small flow rate. Based on the successful SRU:25 model, the SRU:10 is applicable to a wide range of sludge screening applications. The SRU:10 offers a sludge screening capacity of 33 l/s and is equipped with the same design features that are available on the larger model. It allows for reduced capacities in particular indigenous sludge applications whilst maintaining the capability for tankers to discharge directly to the S:MAX, eliminating the need for a reception tank. The S:MAX will screen the rage to 6mm and pump the screened sludge to the downstream process.

The S:MAX unit fitted seamlessly into the existing set up at the Wantage sewage works with no further civils work required. The increased screening rate has ensured that the digesters capacity is not affected with rag which performs no useful function in the digestion process.

"The elimination of blockages during screening is undoubtedly one of the greatest advantages and cost saving measures of the S:MAX, production time is increased and the screen is ready to receive tankers at all times" comments Darren Eastwood, Technical Sales Manager with CDEnviro, "The SRU:10 has been ideal option for consistent performance in a more isolated site like Thames Water Wantage STW.

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