D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 9/153 (2006.01)
Patent
CA 2670697
Method for treating a prebleached chemical pulp comprising a step of ozone treatment of the said pulp, carried out at a temperature above 60°C, advantageously above 65°C and even more advantageously above or equal to 70°C.
Procédé de traitement d'une pâte à papier pré-blanchie comprenant un traitement à l'ozone de ladite pâte effectué à une température supérieure à 60°C, de préférence à plus de 65 °C et idéalement à 70 °C ou plus.
Chirat Christine
Hostachy Jean-Christophe
Lachenal Dominique
Pipon Guillaume
Ried Achim
Itt Manufacturing Enterprises Inc.
Smart & Biggar
LandOfFree
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