D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 9/153 (2006.01) C01B 13/10 (2006.01)
Patent
CA 2384547
Provided is a process for bleaching pulp with ozone. The process involves preparing a slurry of cellulosic pulp having a consistency in fibers of from 1 up to 5 weight % . Such a low consistency slurry is then mixed with high partial pressure ozone under high shear conditions. The ozone is then maintained in contact with the cellulosic fibers to effect bleaching of the fibers. The present process offers the advantages of bleaching using a low consistency slurry, with the added advantages of employing ozone.
Corbeil Sebastien
Fisher Steven A.
Hornsey Derek
Sundaram V.s. Meenakshi
Air Liquide Canada
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
Ledgley Law
LandOfFree
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