Process for the elimination of heavy metals

Details Process for the elimination of heavy metals Process for the elimination of heavy metals

C - Chemistry, Metallurgy

02

F

C02F 1/62 (2006.01) C02F 1/54 (2006.01) C02F 9/00 (2006.01)

Patent

CA 2142954

The present invention relates to a process for the elimination of heavy metals from a closed white water system within the pulp and paper industry, wherein one adjusts the pH of the white water to between 5 and 11, and that one subsequently pre- cipitates the resins present using a flocculation agent, where- by a simultaneous elimination of the heavy metals is obtained.

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