Treatment of aqueous waste streams

Details Treatment of aqueous waste streams Treatment of aqueous waste streams

C - Chemistry, Metallurgy

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C02F 3/28 (2006.01) C02F 1/52 (2006.01) C02F 1/58 (2006.01) C02F 3/00 (2006.01) C02F 3/34 (2006.01) C02F 11/02 (2006.01)

Patent

CA 2033607

T 698 FF ABSTRACT TREATMENT OF AQUEOUS WASTE STREAMS A process for treating sulphate-containing aqueous waste streams, which comprises anaerobic microbial reduction of the sulphate using sulphate reducing bacteria, while adding to the reaction mixture an alcohol as carbon/energy source. with concomitant microbial methanogenesis, e . g. in a sludge blanket reactor, a cheap carbon source such as ethanol can be used to control treatment, to recover valuable heavy metals and sulphur, and produce an environmentally- acceptable effluent. PS19015

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