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Application of thermoalkalophilic xylanase from Arthrobacter sp. MTCC 5214 in biobleaching of kraft pulp

DRS at CSIR-National Institute of Oceanography

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Title Application of thermoalkalophilic xylanase from Arthrobacter sp. MTCC 5214 in biobleaching of kraft pulp
 
Creator Khandeparker, R.
Bhosle, N.B.
 
Subject Arthrobacter sp.
pulp and paper
Enzymatic assay
 
Description A thermoalkalophilic and cellulase free xylanase produced from Arthrobacter sp. MTCC 5214 in solid state fermentation using wheat bran as a carbon source was evaluated for prebleaching of kraft pulp. The UV absorption spectrum of the compounds released by enzyme treatment showed a characteristic peak at 280 nm indicating the presence of lignin in the released coloring matter. Enzymatic prebleaching of kraft pulp showed 20 % reduction in kappa number of the pulp without much change in viscosity. Enzymatic treatment reduced the amount of chlorine by 29 % without any decrease in brightness. The viscosity of xylanase treated pulp was 4.0 p. where as of the pulp treated exclusively with chlorine was 4.1 p.
 
Date 2006-12-04T07:12:34Z
2006-12-04T07:12:34Z
2007
 
Type Journal Article
 
Identifier Bioresource Technology, vol.98(4), 897–903p.
http://drs.nio.org/drs/handle/2264/527
 
Language en
 
Rights An edited version of this paper was published by Elsevier. Copyright [2006] Elsevier
 
Format 194190 bytes
application/pdf
 
Publisher Elsevier