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Veolia Water Solutions and Technologies (VWS) has received three repeat orders for its Hydrotech Discfilter tertiary treatment filters, which are odour free and have low power consumption.

The new filters, which bring the total number of UK installations up to 50, are for Scottish Water at Campbeltown, Thames Water at Chievely and United Utilities at Hawkshead.

The two units being supplied to Campbeltown, serial numbers 7000 and 7001, were fabricated at VWS sister company, Hydrotech, in Sweden.

Patented Hydrotech features ensure that VWS Hydrotech Discfilters provide a low whole-life cost compared to competing technologies.

The HSF 2200 series Discfilters delivered to Campbeltown will treat flows up to 50l/s, whilst the smaller HSF 1700 Series units at Chieveley and Hawkshead will treat flows of 40l/s and 20l/s respectively.

The VWS Hydrotech Discfilter’s self-cleaning 10-micron rotating discs remove suspended solids, including biomass flocs and precipitated phosphates for compliance with tightening suspended solids consent levels.

The Hydrotech Discfilter is a compact unit with a maximum headloss of 250mm, making it suitable for retrofitting at works where space and head are limited.

The units are fully enclosed and odour free, so environmental impact is low.

The backwash water generated is typically two per cent of peak throughput.

Low power consumption and a minimum level of maintenance by comparison with competitive technologies make the Hydrotech Discfilter a cost effective and sustainable option.

Veolia Water Solutions & Technologies

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