Home UK Green Light Given to Leeds £72 million Sludge Treatment Facility

Green Light Given to Leeds £72 million Sludge Treatment Facility

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Central Leeds is all set to benefit from the approval of a brand new state-of-the-art anaerobic digestion and sludge treatment water facility, to be constructed at Yorkshire Water’s Knostrop works and the project is worth £72 million.

Yorkshire Water’s planning proposal for the bio-energy facility was approved by Leeds City Council’s planning committee and the contract has been awarded to Black & Veatch with the civil engineering element being delivered by Clugston Construction Limited.

Located on Knowsthorpe Lane, Knostrop Waste Water Treatment Works has been treating sewage from industry and domestic properties for about a century. The new facility will come in as a replacement for the existing sludge and bio-solid incinerator, constructed all the way back in 1993. It will enable the more efficient and effective treatment of sewage combined with the additional benefit of renewable power production from the waste water effluent.

Nevil Muncaster, Director of Asset Management, said; “This is the single biggest investment of our current investment period (2015-2020) and will not only provide increased treatment capacity for our sludges but will also deliver significant operational cost savings enabling us to keep customer bills as low as possible.”

“Knostrop is designated as a strategic waste site so by increasing the future sludge and bio-solid treatment capacity of the works the project will support also growth in the Leeds sub-regions.”

The plan is to have the facility completed by 2019, which will make it capable of processing 131 tonnes of dry sludge per day, while making use of heat and power engines to generate renewable energy. The renewable energy generated will be enough to provide for 55% of the energy requirements of Knostrop, about 8, 000 homes.

Benefits of the new facility;

  • 15% reduction in carbon emissions across the company
  • provide 55% of the site’s energy needs
  • contribute to achieving 94% recycling of the region’s sludge by 2020

The project makes for the latest step in Yorkshire Water’s commitment to invest in renewable energy to benefit the environment and keep customers’ bills low, and supports Leeds council’s ambition for the Lower Aire Valley to become a hub for green energy and industry. The company’s intentions are to generate around 18% of the energy it requires by 2020.

On October 2014 a 123 metre high wind turbine was constructed at Knostrop which stands 12 meters taller than landmark building Bridgewater Place. This structure, which cost around £3.5 million, is already a major source of power for the Knostrop site and will on average provide 10% of Knostrop’s energy needs.

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