Drinking Water - Business News

- 12 November 2007 -

Nitrate removal system wins IChemE award

ACWA Services Limited, Anglian Water Plc, Biwater Treatment Ltd and Puritech Ltd have received an award from the UK 's Institute of Chemical Engineers for the successful application of NITREATT, a new form of ion exchange for the removal of nitrate from drinking water.

Used at six sites in the UK, the Nitreat process produced treated water with nitrate levels consistently below 5mg/l blended back with raw water to achieve a set point of 45 mg/l as nitrate, well within the requirements of Drinking Water Inspectorate Regulations. Wastestream was reduced to 0.5% of the throughput.

The system incorporates a multi-port valve originally developed for use in industrial processes by Puritech. The design of the valve eliminates any possibility of cross contamination between flows.

www.acwa.co.uk

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