Method for treatment of wastewater containing polyether polyols

Details Method for treatment of wastewater containing polyether polyols Method for treatment of wastewater containing polyether polyols

C - Chemistry, Metallurgy

02

F

C02F 1/74 (2006.01) C02F 1/66 (2006.01) C02F 1/72 (2006.01) C02F 1/78 (2006.01) C02F 9/00 (2006.01) C08J 11/10 (2006.01)

Patent

CA 2043466

ABSTRACT OF DISCLOSURE A method of treating wastewater containing water-insoluble high molecular weight polyether polyol impurities is disclosed. The method comprises reacting the aqueous waste stream with an oxidizing agent and optionally with a transition metal catalyst. The molecular weight of the polyol impurities is reduced to less than about 1,000, thereby improving the biodegradability of the stream.

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