Liquid effluent treatment plant and process
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United States of America Patent
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-
Apr 10, 2001
Grant Date -
N/A
app pub date -
Mar 11, 1999
filing date -
Sep 13, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to an effluent treatment plant and to a method for treating effluent. The plant comprises a pair of elongate vessels (5, 12), one vessel (12) being for aerobic and the other (5) being for anoxic metabolisation of effluent by microorganismas, each vessel having a downcomer zone (4, 11) and a riser zone (7, 14). The first riser zone (7) of the vessel (5) for anoxic metabolisation communicates with the downcomer zone (11) of the vessel (12) for aerobic metabolisation.
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