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Millbrook Wastewater Treatment and Recycling Centre, United Kingdom

Plant Capacity (Sludge)

14,000t/yr

Population Served

Wastewater - 138,000, sludge - 250,000

Fertiliser Production

10,000t/yr

Digester Type

Sequencing batch reactor (SBR)

Digester Operation

Mesophilic, with biogas recycling

Digester Operating Temperature

35°C

Digester Detention Period

14 days

Cost

£20m

Work Began

May 1997

Main treatment plant completion

November 1998

Liquor treatment plant completion

First quarter 1999

Plant owner / operator

Southern Water

Main contractor

Purac

Design

Montgomery Watson

Construction

Harbour & General
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