Strong sulfite kraft pulping

D - Textiles – Paper – 21 – C

Patent

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Details

D21C 3/06 (2006.01) D21C 3/02 (2006.01) D21C 3/26 (2006.01) D21C 11/12 (2006.01)

Patent

CA 2326144

Disclosed is a process for the production of pulp from lignocellulosic material by cooking in an alkaline cooking liquid, characterized in that said alkaline cooking liquid is based on water as the only solvent and further contains alkaline sulfite compound(s) as well as alkaline sulfide compound(s) in aqueous solution.

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