D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 3/00 (2006.01)
Patent
CA 2698163
A continuous process for producing a chemical grade pulp, the process comprising the steps of: (a) steaming lignocellulosic material for a first period of time between 1 and 60 minutes; (b) after steaming, impregnating the steamed lignocellulosic material in an impregnation vessel with green liquor for a second period of time up to 5 minutes and at a temperature between 110°C and 150°C; and (c) after impregnation, continuously cooking the lignocellulosic material in a digester to produce a chemical grade pulp.
Andritz Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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