Ammonia-ketone pulping process

Details Ammonia-ketone pulping process Ammonia-ketone pulping process

D - Textiles, Paper

21

C

9/20

D21C 3/00 (2006.01) D21C 3/02 (2006.01) D21C 3/20 (2006.01)

Patent

CA 1075409

AMMONIA-KETONE PULPING PROCESS Abstract of the Disclosure A method of employing the combination of ammonia and ketones as the cooking chemicals in a digester of a pulping process. This method results in a pulp which has a higher yield than the kraft process yet is characterized by kraft's high strength and fair bleachability. The spent liquor extracts are primarily lignin and contain little cellulose and hemi-cellulose.

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