Pulp decolor process

Details Pulp decolor process Pulp decolor process

C - Chemistry, Metallurgy

02

F

362/49

C02F 1/56 (2006.01)

Patent

CA 1274628

PULP DECOLOR PROCESS ABSTRACT OF THE DISCLOSURE A process for the decolorization of alkaline pulp such as that derived from paper waste water wherein the waste water is contacted with a strong mineral acid, contacted with a coagulated agent and then the solid coagulum is separated and neutralized to liquify the color bodies in concentrated form.

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