Liquid purification or separation – Processes – Treatment by living organism
Patent
1996-06-21
1998-09-22
Upton, Christopher
Liquid purification or separation
Processes
Treatment by living organism
210614, 210622, 210630, 2101951, 2101953, 210903, 210906, C02F 330
Patent
active
058110089
ABSTRACT:
A process and a system for the purification of waste water in several successive stages includes a first stage for anaerobic treatment of the waste water, a second stage for aerobic treatment of the waste water, a third stage for clarification and sedimentation of the waste water with a sludge return, and an arrangement for controlling the residence time of the waste water in the anaerobic stage by varying the volume of the anaerobic stage.
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German article entitled "Biologische Phosphorentfernung", pp. 337-348. (English Translation).
German article entitled "Biologische Phosphorentfernung", pp. 337-348, Mar. 1989.
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