Enhanced oxidative extraction

Details Enhanced oxidative extraction Enhanced oxidative extraction

D - Textiles, Paper

21

C

8/78.1, 9/16.5

D21C 9/14 (2006.01) D21C 9/10 (2006.01) D21C 9/16 (2006.01)

Patent

CA 1259456

ABSTRACT OF THE DISCLOSURE A multi-stage process for the delignification and bleaching of lignocellulosic pulp is disclosed wherein the first alkaline extraction stage comprises extracting the pulp with caustic in the presence of oxygen and either a hypochlorite or a peroxide.

488839

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