D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
8/79
D21C 9/14 (2006.01)
Patent
CA 1086905
BLEACH PLANT OPERATION ABSTRACT OF THE DISCLOSURE The first bleaching stage of a bleach plant sequence is effected using mixtures of chlorine dioxide and chlorine at elevated temperatures above 35°C up to 70°C. Bleaching at these temperatures may be carried out without pulp viscosity lass and permits fresh water use in a counter- current washing bleach plant to be decreased.
289453
Rapson W. Howard
Erco Industries Limited
Sim & Mcburney
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