Method for improving brown stock washer efficiency

Details Method for improving brown stock washer efficiency Method for improving brown stock washer efficiency

D - Textiles, Paper

21

C

9/36.7

D21C 9/06 (2006.01)

Patent

CA 1270354

1529M/0817A C-1396 TITLE OF THE INVENTION A METHOD FOR IMPROVING BROWN STOCK WASHER EFFICIENCY ABSTRACT OF THE DISCLOSURE The instant invention is directed to an improved process for separating black liquor from pulp comprising washing a pulp pad with a washing medium and applying vacuum to said pad, after contacting the pulp and/or black liquor with an acrylamide/dimethyldiallylammonium chloride polymer or homologue thereof, thereby more efficiently separating said black liquor from said pulp pad.

493656

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