Method and system for semi-chemical pulping

Details Method and system for semi-chemical pulping Method and system for semi-chemical pulping

D - Textiles, Paper

21

C

D21C 3/22 (2006.01) D21C 7/14 (2006.01)

Patent

CA 2638196

Method and apparatus for minimizing adherence of lignin to an extraction screen in a semi-chemical pulping process. The method and apparatus generally relate to supplying white liquor and NaOH to as to increase the pH of cooking liquor at or near an extraction screen.

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