Reactor for purification of water

Details Reactor for purification of water Reactor for purification of water

1994-12-02

1996-08-06

Wyse, Thomas

Liquid purification or separation

With gas-liquid surface contact means

261 95, C02F 310

Patent

active

055430392

ABSTRACT:
A method for water purification in which waste water is fed into a reactor containing carriers having a biofilm which promotes a desired conversion of impurities, using carriers which are particulate elements having a larger surface than smooth elements of the same dimension and having a density in the range 0.90 to 1.20, normally 0.92 till 0.98, particularly 0.92 to 9.96 kg/dm.sup.3, wherein the carriers with biofilm are kept suspended in the water in a reactor for aerobic, anoxic or anaerobic water purification, comprising inlet and outlet tubes and optionally mixing means, and containing a large number of carriers for biofilm. This reactor is also comprised by the present invention.

REFERENCES:
patent: 4067936 (1978-01-01), Ellis et al.
patent: 4122011 (1978-10-01), Strigle, Jr.
patent: 4391703 (1983-07-01), Crosby
Abstracts of Japan, vol. 9, No. 145, C287, Abstract of JP60-28888 publ. Feb. 14, 1985.
Database WPIL Week 8721, Derwent Publications Ltd., London, GB; AN 87-146447 & JP-A-62 083 097, 16 Apr. 1987.
Translation from Norwegian Patent Application No. 90.0316.
Translation from Norwegian Patent Application No. 90.3174.

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