Method for treating polluted material

Details Method for treating polluted material Method for treating polluted material

C - Chemistry, Metallurgy

02

F

362/2

C02F 11/08 (2006.01) B09B 5/00 (2006.01) B09C 1/08 (2006.01) C02F 9/00 (2006.01) C02F 1/42 (2006.01) C02F 1/52 (2006.01) C02F 1/66 (2006.01) C02F 1/72 (2006.01) C02F 1/76 (2006.01) C02F 1/78 (2006.01) C02F 3/00 (2006.01) C02F 11/02 (2006.01)

Patent

CA 1324449

ABSTRACT Polluted material such as industrial waste water or polluted water from other sources, sewage or sewage sludge or other forms of sludge, or polluted soil, is degraded to remove the oxidizable substances therein by subjecting the polluted material to a wet oxidation process. This process, which occurs in a reactor, decomposes and/or modifies oxidizable substances in the polluted material and optionally improves the filterability of the solids present in the material. Optionally, the polluted material may be pre-treated to facilitate the wet oxidation process. The wet oxidation process is performed to the extent that the decomposed and/or modified substances remaining after the wet oxidation process are substantially biodegradable. Optionally, a subsequent substantial removal of heavy metals may be performed. If necessary, the material may be separated into a solid and liquid phase, and the material or liquid phase may be subjected to a biodegradation process.

558947

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