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JSIR Vol.65(01) [January 2006] >


Title: Short sequence environment friendly bleaching of wheat straw pulp
Authors: Ghosh, U K
Keywords: ECF bleaching
Oxygen delignification
Short sequence
Wheat straw
Issue Date: Jan-2006
Publisher: CSIR
IPC CodeD21C9/10
Abstract:  In India, wheat straw is used as a potential raw material for the manufacture of writing and printing paper. In the present study, wheat straw pulp made through soda process and after oxygen delignification, was subjected to various conventional bleaching processes involving elemental chlorine and short sequence elemental chlorine free (ECF) bleaching processes. It was observed that D50EpD50 sequence gives 84.8% brightness (Elrepho) and excellent strength properties of pulp and generates lower pollution load, both in terms of COD and TOCl, in comparison to the conventional bleaching processes involving elemental chlorine.
Page(s): 68-71
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.65(01) [January 2006]

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