Pulping processes

Details Pulping processes Pulping processes

D - Textiles, Paper

21

C

9/16

D21C 1/00 (2006.01) D21C 3/22 (2006.01) D21C 3/26 (2006.01)

Patent

CA 1097463

ABSTRACT A delignification process using amine cooking liquors which also contain a quinoid or hydroquinoid com- pound. The process also encompasses a pretreatment step using the quinoid or hydroquinoid compounds. - 1a -

292865

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