journal article·2009-06-01

Refining Energy Reduction and Pulp Characteristic Modification of Alkaline Peroxide Mechanical Pulp (APMP) Through Enzyme Application

PETER W. HART, DARRELL M. WAITE, LUC THIBAULT,, JOHN TOMASHEK, MARIE-EVE ROUSSEAU, CHRISTOPHER HILL, MARC J. SABOURIN

TAPPI Journal· Volume 8· Issue 5
Publisher page

Abstract

Eucalyptus wood chips were subjected to impregnation with various blends of novel fiber modify-ing enzymes before chemical pretreatment and two stages of refining using the preconditioning refiner chemical–alkaline peroxide mechanical pulping (PRC-APMP) process. Wood chip impregnation and pulp processing was con-ducted at a pilot plant in the United States. When compared under constant chemical application and at a constant 350 mL CSF, enzyme treatment reduced specific refining energy by at least 24%. The effect of one versus two stages of impregnation and of enzyme action upon several physical pulp properties was determined.
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Research context

OpenAlex topics: Lignin and Wood Chemistry · Biofuel production and bioconversion · Enzyme-mediated dye degradation

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