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Application of xylanase enzyme of Bacillus coagulans as a prebleaching agent on non-woody pulps

Paper ID Volume ID Publish Year Pages File Format Full-Text
36301 45127 2006 6 PDF Available
Title
Application of xylanase enzyme of Bacillus coagulans as a prebleaching agent on non-woody pulps
Abstract

The effectiveness of xylanase as a prebleaching agent has been established on a commercial scale. The efficiency of bleaching improves with the enzyme treatment but it varies with the pulping method and pulp raw material. In the present work, crude xylanase from Bacillus coagulans has been characterized with respect to the operational parameters and the stabilities at various pH values. Xylanase from B. coagulans has been tested on three non-woody pulps as a prebleaching agent. The effects of crude enzyme on wheat straw, rice straw and jute pulps at two different initial pH of pulp have been studied and a maximum brightness gain of 5.1 points has been achieved with rice straw pulp at an initial pH value of 8.5. In the case of wheat straw and rice straw pulps, maximum brightness gain has been obtained at the higher pH values.

Keywords
Xylanase; Bacillus coagulans; Enzyme stability; Non-woody pulp; TCF
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Application of xylanase enzyme of Bacillus coagulans as a prebleaching agent on non-woody pulps
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 1, January 2006, Pages 226–231
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us