D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
8/80
D21C 9/10 (2006.01) D21C 9/16 (2006.01)
Patent
CA 1055656
ABSTRACT OF THE DISCLOSURE The present invention provides in a multistage process for fully bleaching a pulp, the improvement in which in the first stage of said bleaching process, the pulp is hydrolyzed with a strongly alkaline aqueous peroxide solution whereby a minimum of chlorine may be used in said process.
201323
Kruger Horst
Pfand Herbert
Rath Helmut
Schroter Helmut
Traser Werner
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