Immobilization of Lipase on Chitosan Beads for Removal of Pitch Particles from Whitewater during Papermaking

Abstract

Pitch deposits originating from alkaline peroxide bleaching of mechanical pulps can seriously decrease the runnability of the paper machine when efforts have been made to increase the reuse of process water. In order to degrade pitch particles present in whitewater, lipase was immobilized on chitosan beads using a binary method. The operational stability of… (More)

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