Oxidation of pulping liquor

Details Oxidation of pulping liquor Oxidation of pulping liquor

D - Textiles, Paper

21

C

9/16

D21C 3/00 (2006.01) D21C 3/02 (2006.01)

Patent

CA 1080408

ABSTRACT OF THE DISCLOSURE A mixture of black liquor and white liquor is oxidized in the presence of wood to be pulped, so as to form a polysulfide pulping liquor which acts immediately upon the wood. The process allows increased yields of pulp with lower sulfidity levels and, thus, lessened pollution.

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