Methods of decontaminating secondary fiber

Details Methods of decontaminating secondary fiber Methods of decontaminating secondary fiber

D - Textiles, Paper

21

B

9/1

D21B 1/32 (2006.01) D21C 5/02 (2006.01) D21C 9/08 (2006.01)

Patent

CA 1229702

Abstract The method of substantially removing and dispersing resinous or waxy contaminants from contaminant-containing secondary fiber during repulping, is disclosed. The method includes combining the contaminant-containing secondary fiber in an aqueous repulping medium with a substituted oxyethylene glycol nonionic surfactant, and a water soluble, low molecular weight polyelectrolyte dispersant, at an elevated temperature.

455093

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