Thames Water Automates Effluent Sampling with Bredel Hose Pump

Contributed by: PumpScout Staff

A Bredel APEX15 hose pump from Watson-Marlow Pumps Group has been installed at Thames Water’s Mogden sewage treatment works (STW). Specified for its robust design and self-priming, dry run capabilities, the APEX15 enables the facility to automatically collect final effluent samples before transfer to the lab for testing. 

The Mogden sewage treatment plant is located in Isleworth, Middlesex, and serves around 2.1 million people. Thames Water completed a £140m upgrade in 2013 to extend the site’s sewage treatment capacity by 50%. Later that same year, the company made a strategic decision to update its effluent sampling process as well. 

“There was a clear business need to replace the manual method of collecting treated effluent samples,” explains Mike Westbrook, SES Project Engineer.

The Bredel APEX15 hose pump is now used at the plant to take a final sewage effluent sample for laboratory testing. The pump operates at 2 liters per minute with 6 meters lift. 

“The APEX15 was specified by the Thames Water sampling team as they had used it successfully at Long Reach STW in Dartford, Kent,” says Mr Westbrook. “It’s robust self-priming and dry running capability suits our application. The pump has performed well since it was installed in November 2013.”

The Bredel APEX15 is designed to suit all dosing, metering and transfer applications from 2.8 - 1200 litres per hour flow across a broad range of applications. Unlike other pump types, APEX hose pumps have no expensive wearing components such as seals, valves, membranes, stators, rotors or glands. Subsequently, they are ideally suited for handling ‘difficult’ fluids – abrasive, corrosive, viscous, shear-sensitive, crystallising and even fluids presenting a combination of these properties.

Through superior heat dissipation, precision machined hose elements and optimised hose compression, APEX has been designed to reduce maintenance costs dramatically in comparison with other hose pumps.

 

Source: Watson-Marlow

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