Liquid purification or separation – Processes – Treatment by living organism
Patent
1991-05-03
1993-01-19
Wyse, Thomas
Liquid purification or separation
Processes
Treatment by living organism
210617, 210630, 210908, C02F 308, C02F 330
Patent
active
051804956
ABSTRACT:
A process for purifying water, wherein the water, which is polluted by a mixture of halogenated compounds, preferably halogenated hydrocarbons, is passed through at least two reactors (treatment stages) packed with a porous material populated by one or more microorganisms, one of the reactors being operated under anaerobic conditions and being followed by an aerobically operated reactor; in this way, almost complete elimination of the halogenated compounds, preferably halogenated hydrocarbons, is achieved.
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patent: 4992174 (1991-02-01), Caplan et al.
patent: 5037551 (1991-08-01), Barkley et al.
patent: 5057211 (1991-10-01), Bryant et al.
Boss Roland
Stucki Gerhard
Thuer Markus
Ciba-Geigy Corporation
Mansfield Kevin T.
McC. Roberts Edward
Wyse Thomas
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