D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
8/79, 92/60.1
D21C 9/12 (2006.01) D21C 9/00 (2006.01) D21C 9/10 (2006.01) D21C 9/14 (2006.01)
Patent
CA 1294396
ABSTRACT OF DISCLOSURE There is provided an improved bleaching process and apparatus for chemical pulp wherein the charge of chemical required in a bleaching extraction stage is decreased by treating the chlorinated pulp with recy- cled extraction effluent.
510446
Berry Richard
Fleming Bruce I.
Fetherstonhaugh & Co.
Fpinnovations
LandOfFree
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