Phosphorus Batch Release and Uptake Tests
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Project: Phosphorus batch release and uptake tests

Client: Severn Trent Water Ltd.

When: April ’05 onwards

 

Other tests for suitability or performance of Biological Nutrient Removal (BNR) processes are laboratory scale phosphorus (P) release/uptake tests which can indicate if there is a sufficient population of phosphorus accumulating organisms (PAOs) in the sludge (Mixed Liquor ML) being tested and/or if the wastewater is substrate limited by using sludges containing PAOs (bio-P sludge) in comparison.

 

WatStech Ltd. conduct P release tests by simulating an anaerobic reactor under controlled laboratory conditions (or uptake tests using an aerobic stage). A carbon source can be added to prevent substrate being a limiting factor and known bio-P sludges can be used in comparison.

 

As part of WatStech’s bio-P suitability service, phosphorus release/uptake tests have provided a release/uptake rate value which can be compared to published literature for site assessment.

 

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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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