Method of deinking printed waste cellulosic stock

Details Method of deinking printed waste cellulosic stock Method of deinking printed waste cellulosic stock

D - Textiles, Paper

21

C

9/1

D21C 9/10 (2006.01) D21C 5/02 (2006.01)

Patent

CA 1074967

Abstract of the Invention Printed waste cellulosic stock can be efficiently deinked by pulping the stock in the presence of based on the weight of the stock from 0.5% to 2% by weight of an alkali metal hydroxide and from 0.3% to 0.7% by weight of certain anionic surfactants.

249101

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