Hybrid high rate anaerobic treatment apparatus

Details Hybrid high rate anaerobic treatment apparatus Hybrid high rate anaerobic treatment apparatus

1987-01-29

1988-10-25

Wyse, Tom

Liquid purification or separation

With gas-liquid surface contact means

With separator

210180, 210188, 210539, C02F 1104

Patent

active

047801980

ABSTRACT:
An anaerobic reactor for treatment of waste water comprises a primary reactor or zone of the suspended growth type and a secondary reactor or zone of the fixed filter bed type disposed directly above and in liquid contact with the primary reactor. Liquid to be treated is fed continuously into the primary reactor and moves upwardly through the primary reactor, then through the filter bed and out via an outlet above the filter bed. Gas generated in the primary reactor moves upwardly through the liquids and through the filter bed, to cause vertical mixing throughout the zones and to keep the filter bed from clogging.

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G. Lettinga, S. W. Hobma, L. W. Hulshoff Pol, W. de Zeeuw, P. de Jong, P. Grin & R. Roersma-Department of Water Pollution Control.
Mr. George V. Crawford, Project Manager High Rate Anaerobic Treatment Technology-Mar. 29, 1984.
Mr. Eric R. Hall, Environment Canada Improving Hydraulic Efficiency and High Rate Anaerobic Systems-Dec., 1984.
Mr. Mogens Henze & Mr. Poul Harremoes-Department of Environment Engineering Anaerobic Treatment of Wastewater in Fixed Film Reactors-a Literature Review, Wat. Sci. Tech., vol. 15, pp. 1-101.
Design Operation and Economy of Anaerobic Treatment, Wat. Sci. Tech. vol. 15, pp. 177-195.

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