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Yorkshire Water begins £4M Tankersley WWTW upgrade

Yorkshire Water has begun a £4M upgrade project at Tankersley Wastewater Treatment Works near Barnsley which will incorporate an improved biological treatment process.

The project, started earlier this month, will result in improved water quality in the nearby Birdwell Dike. Located off Lidget Lane in Pilley, and built in 1950, Tankersley WWTW treats waste from approximately 2,000 customers and businesses in the area.

Contractors AGT (AECOM Galliford Try) are installing new technology at the site to improve the efficiency and effectiveness of the treatment process, and reduce the amount of ammonia in the treated wastewater that’s discharged back into the Birdwell Dike.

This technology involves specially designed plastic carriers which provide a large surface area for micro-organisms (good bacteria) to grow on and perform biological treatment. These carriers are kept in suspension in a tank and bacteria from the wastewater also attach themselves to them. Oxygen is bubbled through the tank so the good bacteria can break down the sewage.  

The very compact configuration of this treatment process requires less space than traditional wastewater treatment systems.

Louise Hastings, Yorkshire Water’s Project Manager, said: “Our investment here will improve water quality in the local watercourses and enhance biodiversity too. Unfortunately whilst the work is being carried out local residents may notice the construction traffic accessing the site via Lidget Lane and past Knoll Cottages. Temporary three-way traffic lights will be installed at the junction of the access road and Lidget Lane to ensure the safety of people using the road. We are sorry for any disruption this causes.”

The work is expected to be complete by the end of this year.

Author: James Brockett,
Topic: Treatment
Tags: wastewater , treatment , ammonia

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