D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 9/02 (2006.01) B01D 11/02 (2006.01) D21C 9/06 (2006.01) D21D 1/40 (2006.01) D21F 1/80 (2006.01)
Patent
CA 2043840
ABSTRACT "Method and apparatus for washing pulp" In a method for washing chemical pulp after a pretreatment by means of a washing liquid and with the aid of pressure action by the counterflow method in consecutive stages, the pretreated pulp being introduced between two belt-like screens or wires and transported between the latter until the final separation of the dry substance, the pulp is subjected to a repeated pressure and suction-action between the wires held tensioned.
Sim & Mcburney
Treu Bernt U.
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