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United Utilities (UU) has installed Hydro Sludgescreen compacting and dewatering screening facilities at five of its wastewater sites in south Manchester and Lancashire.

The 15 Sludgescreen units form part of the UU Sludge Balance Asset Programme (SBAP) Enabling Works, through a joint venture between Galliford Try, Costain and Atkins (GCA).

The screened sludge will be transferred to Davyhulme, UU’s largest wastewater treatment site, where a new advanced digestion pre-treatment facility will produce an advanced treated product, suitable for land recycling or incineration at the Mersey Valley Processing Centre in Widnes, Cheshire.

The Davyhulme SBAP facility is expected to be on stream in the last quarter of 2011.

Tony Goddard, IA+ South M and E project team leader for GCA JV, said: ‘We needed to produce sludge that was free from screenings.

‘Screenings-free sludge is required to reduce any potential for equipment blockages and associated damage or downtime.

‘It will also avoid product contamination with unsightly screenings for further treatment or land recycling.’ The Hydro International Sludgescreen has a small footprint and low running costs.

It provides screening and dewatering of coarse material in one operation, without requiring washwater.

It is suitable for automatic continuous or intermittent operation and sludges of varying dry solids content, and will accept any combination of tanker delivery or pumped feed; this makes it ideal for works where there are considerable differences between sources.

As a totally enclosed system, it is a low odour process.

Hydro International

Hydro International is a market-leading provider of products and solutions to control the quantity and improve the quality of water with minimal maintenance.

Hydro’s business operations are based in the UK, US and Ireland and its products are also used across the globe. Hydro products have won international awards for outstanding contributions and technical innovation in the water industry.

Hydro Stormwater

Hydro International’s Stormwater Division delivers sustainable, efficient and cost-effective solutions for water management with minimal land-take. All Stormwater products have no moving parts, no power requirements, a small footprint and low maintenance requirements.

Hydro Wastewater

Hydro International’s Wastewater Division provides products and designs solutions for the effective treatment of effluent and potable water. It is also a trusted partner for spares, service and maintenance agreements to water asset managers.

Hydro’s treatment systems cover an extensive range of water and wastewater management solutions including grit removal, sludge scraper systems, primary and washwater clarification, aeration, sand filtration, sludge screening and transportation and Combined Sewer Overflows.

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