Operation and Monitoring of Pilot Scale BNR Plants
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Project: Operation and monitoring of pilot scale BNR plants

Client: Severn Trent Water Ltd.

When: Nov ’04 to Jun ‘08


Increasingly stringent legislation and tightening consents have reduced the discharge limit for phosphorus from sewage treatment works. Environmental and economical issues with chemical dosing have forced the investigation into biological nutrient removal (BNR).


To date four BNR pilot plants have been operated on behalf of Severn Trent Water since 2003, for durations of between 3 to 18 months.  Severn Trent has benefited from this work in maintaining their position as UK Water Sector leaders in the field of biological nutrient removal.


Different configurations for the BNR process have been evaluated within tight timescales to allow for the project management team from STW to make decisions which impact on engineering designs considered for construction. This has directly minimised abortive spend, confirmed design aspects which account for site constraints e.g. conversion of ASP 1-6 at Minworth to a modified UCT design, which has the cheapest whole life cost, lower footprint and engineering is easier, with minimal process interference.

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WatStech Ltd. The Technology Centre, Wolverhampton Science Park,
Wolverhampton, WV10 9RU
Company no. 5404280 VAT no. 857 6311 06
 
Tel: 03456 123 820
Fax: 03456 123 821

info@watstech.com

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