Method of removing macromolecular organic dissolved and...

Details Method of removing macromolecular organic dissolved and... Method of removing macromolecular organic dissolved and...

C - Chemistry, Metallurgy

02

F

362/59

C02F 1/58 (2006.01) C02F 1/66 (2006.01) C02F 9/00 (2006.01)

Patent

CA 1288532

Abstract A method of removing macromolecular organic dissolved and colloidal compounds from the effluents of a paper and cellulose mill by using waste sludge containing fibres and chemicals. The sludge is acidified to a pH of approx. 2 by a mineral acid prior to adding into the effluent. Organic material is precipitated with fibres in a sedimentation vessel at a pH of 4.5 - 6.

501918

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