Method and apparatus for washing pulp

D - Textiles – Paper – 21 – C

Patent

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Details

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.

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