Potassium-based pulp mill process

Details Potassium-based pulp mill process Potassium-based pulp mill process

D - Textiles, Paper

21

C

9/24, 9/36.3

D21C 11/04 (2006.01)

Patent

CA 1109611

ABSTRACT OF THE DISCLOSURE Potassium chloride build up in the recovery system of a potassium-base pulping process using potassium hydroxide and preferably potassium sulphide as pulping chemicals is avoided by evaporative deposition of solid potassium chloride from potassium chloride-containing solutions formed after furnacing of spent pulping liquor and either before or after causticization of potassium carbonate therein.

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