Liquid purification or separation – Processes – Treatment by living organism
Patent
1992-11-27
1994-05-03
Upton, Christopher
Liquid purification or separation
Processes
Treatment by living organism
210630, 210200, 210209, 2102571, 210262, 210903, C02P 330
Patent
active
053084900
ABSTRACT:
A plant suitable, in particular, for denitrifying sewage purification by the activated sludge process comprises several tanks which are charged with untreated water via a common delivery conduit which is preferably designed as a ring main. This delivery conduit, which is arranged above the maximum water level in the tanks, has an essentially horizontal course and serves as storage space for the sewage feed to the individual tanks via rapid-closing and -opening gate valves for spontaneous or gravitational emptying into the particular tank. The delivery conduit is preferably designed as a closed double channel with a lower discharge conduit, which is located below the minimum water level in the tanks, for discharging the sludge/water mixture to the final clarification tank. It is expedient to include an operation bridge or walkway with the delivery conduit.
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Groeneweg Joost
Loch Dietmar
Schroeder Markus
Soeder Carl J.
Woeffen Bernhard
Forschungzentrum Juelich GmbH
Upton Christopher
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