In June 2007 work began on a contract for Anglian Water’s Whitlingham sludge centre upgrade.
Whitlingham (Norwich WWTW) serves a population equivalent of approx. 275,000 but also imports half of its sludge from other sites.
Currently only half of this is digested – the remainder is dewatered raw and treated with quick lime. A 4 reactor system is being added to enable all the raw sludge to be digested. The digester biogas and electrical generation will also be upgraded.
The plant is a BNR treatment plant and in this case a separate ammonia treatment system is being added.
