Articles & Case Studies

Total sludge handling by Börger’s pumps at Caister

Posted: Thursday 24th February 2011

The recent installation of new gravity belt feed pumps at Caister-on-Sea sewage treatment works means that all sludge processing at the Anglian Water site is now being handled by Börger pumps.

Initially, two PL200 Börger pumps were installed to handle 30 m3/h of 6% digested sludge. These pumps proved so successful that the purchase was followed by two 15kW CL520 Börger mixer pumps to process 100m3/h of thick sludge.

The clamp-press application at Caister was then also switched over to Börger when a pair of 11kW PL200 feed pumps and a pair of PL200 cake discharge pumps (handling 25% DS Sludge) were introduced. These 7.5kW units replaced problematical 22.5kW progressive cavity pumps that kept blocking and breaking down.

A mobile unit to assist with cumbersome tank clearing has also since been added, bringing the total number of Börger pumps at the Norfolk site to eleven.

Steve Underdown, Project Engineer,at Anglian Water commented: “We’ve gradually phased in theBörger pumps and they’ve proved they can handle a comprehensive range of sludge applications with ease”.

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