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2002•Unpublished venueRequires access

Bleaching of Non-wood Soda-AQ Pulps Using Enzymes from a Thermophillic Fungus

M. Sarwar Jahan, SH Talukdar

Open publisher page 2 citations

Abstract

An assessment of xylanase treatment prior to bleaching of different non-wood soda-anthraquinone pulps has been done. The xylanase treatment reduced the kappa number and increased viscosity and brightness. The ClO2 requirement was reduced to about 4-11% with xylanase treatment. Xylanase treated DED and DEDP bleached pulp showed higher brightness as compared to non-treated pulps. The physical properties of treated pulp were always higher.

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What this paper is about

An assessment of xylanase treatment prior to bleaching of different non-wood soda-anthraquinone pulps has been done. The xylanase treatment reduced the kappa number and increased viscosity and brightness. The ClO2 requirement was reduced to about 4-11% with xylanase treatment. Xylanase treated DED and DEDP bleached pulp showed higher brightness as compared to non-treated pulps. The physical properties of treated pulp were always higher.

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Available abstract

An assessment of xylanase treatment prior to bleaching of different non-wood soda-anthraquinone pulps has been done. The xylanase treatment reduced the kappa number and increased viscosity and brightness. The ClO2 requirement was reduced to about 4-11% with xylanase treatment. Xylanase treated DED and DEDP bleached pulp showed higher brightness as compared to non-treated pulps. The physical properties of treated pulp were always higher.

Key concepts: Xylanase, Kappa number, Pulp (tooth), Pulp and paper industry, Anthraquinone, Chemistry, Fungus, Food science

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