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Ford trials new recycled filtration material

Ford has been using recycled glass in a trial as an alternative to traditional sand filters at its manufacturing estate in Dagenham, Essex.

The car making company has found that using a highly processed glass filtration media known as Active Filtration Media (AFM) has given it lifecycle cost savings and performance benefits.

Results from the trial, part funded by the Waste and Resources Action Programme (WRAP) and Dryden Aqua who developed AFM, showed no fall in filtration efficiency or biofouling - a problem where the filter media becomes clogged with bacteria matter.

WRAP material development manager (glass) Bronnie Allen said: "With such positive results emerging from the trial at Ford, it demonstrates that there is great potential for AFM filtration media to be suitable for a wide range of large scale commercial operations.

"As regulatory pressures increase, and discharge, landfill and mains water costs rise, we hope that more companies will trial AFM in their filtration systems to see the cost and performance benefits for themselves."

Ford was looking for an alternative filtration media to conventional silica sand, which quickly clogged with dirt and bacteria and also required replacement every three months.

It also wanted a product that would effectively filter water, enabling it to be recycled back into the system and reduce the costs of discharging.

AFM was trialled in a test bed in the effluent treatment water plant, which discharges 100,000 tonnes of treated water to the local trade sewer each year.

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