Waste water treatment by chelation-gelation

Details Waste water treatment by chelation-gelation Waste water treatment by chelation-gelation

C - Chemistry, Metallurgy

02

F

400/3032, 53/374

C02F 1/56 (2006.01) C02F 1/68 (2006.01) C02F 11/00 (2006.01) C08G 18/10 (2006.01) C09K 3/00 (2006.01) G21F 9/16 (2006.01)

Patent

CA 1170392

-1- Waste Water Treatment by Chelation-Gelation Abstract Contaminant components in waste water are complexed with a chelating agent and the complexed component is a gelled with a polyurethane prepolymer to provide a gelled mass. The chelating agent is a .beta.-hydroxyalkylene amine-containing polymer or a 2,5-oxol- anylene polymer. A treatment method comprises mixing waste water with the chelating agent and mixing the resultant mixture with the polyurethane prepolymer to provide a gelled mass.

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