Mechanical pulp fractionation with a spray disk filter

Details Mechanical pulp fractionation with a spray disk filter Mechanical pulp fractionation with a spray disk filter

D - Textiles, Paper

21

D

D21D 5/04 (2006.01) B01D 33/06 (2006.01)

Patent

CA 2108321

Abstract A method for removing coarse fibers from mechanical pulp comprising the steps of spraying the pulp containing coarse fibers under pressure against a rotating disk filter such that a first fraction of the pulp passes through the filter and constitutes an accepts fraction and a second fraction of said pulp is retained on the filter and constitutes an enriched concentration of the coarse fibers and constitutes a rejects fraction, and removing the accepts fraction and the rejects fraction from the filter.

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