Articles & Case Studies

Less jetting-out as Börger’s Pumps fight the fat at Minworth

Posted: Tuesday 1st May 2012

In the traditionally problematic application where fat is separated from sludge during thickening before it reaches the sludge digestion process, pumps made by Börger have significantly reduced maintenance input at Severn Trent Water’s Minworth STW.

The maintenance task of jetting out fat has been reduced from around every three weeks (when progressive cavity pumps were in operation) to intervals of around every four months by using Börger’s rotary lobe pumps.

Manjit Chada, Severn Trent Water’s Programme Manager for Major Works E5, commented: “To alleviate what is an industry-wide problem with congealing fats, we trialled several pumps at Minworth and found that Börger’s coped by far the best”.

Seven 18.5kW horizontally-mounted FL 518 pumps from Börger have been installed at Minworth. This latest installation follows successful work for Anglian Water at Caister-on-Sea STW, where all sludge processing is now handled by Börger pumps.




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