Millbrook Wastewater Treatment and Recycling Centre, United Kingdom
Key Data:
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
£20 million
Project Timeline:
Work began
May 1997
Main treatment plant completion
November 1998
Liquor treatment plant completion
First quarter 1999
Key Players:
Plant owner / operator
Southern Water
Main contractor
Purac
Design
Montgomery Watson
Construction
Harbour & General
