METHOD FOR IMPROVING BROWN STOCK WASHER EFFICIENCY

摘要

1529M/0817AC-1396TITLE OF THE INVENTIONA METHOD FOR IMPROVING BROWN STOCK WASHER EFFICIENCYABSTRACT OF THE DISCLOSUREThe instant invention is directed to animproved process for separating black liquor frompulp comprising washing a pulp pad with a washingmedium and applying vacuum to said pad, aftercontacting the pulp and/or black liquor with anacrylamide/dimethyldiallylammonium chloride polymeror homologue thereof, thereby more efficientlyseparating said black liquor from said pulp pad.