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Oxidative Delignification and Bleaching of Alkaline Sulphite-Anthraquinone Wheat Straw Pulp

Citation

Yaqoob, N and Stack, KR and Cheema, KJ and Mateen, B and Rehman, IU, Oxidative Delignification and Bleaching of Alkaline Sulphite-Anthraquinone Wheat Straw Pulp, Asian Journal of Chemistry, 23, (7) pp. 2845-2851. ISSN 0970-7077 (2011) [Refereed Article]


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Copyright 2011 Chemic Publishing Company

Official URL: http://www.asianjournalofchemistry.co.in/Home.aspx...

Abstract

In this study, the oxidative delignification and bleaching of alkaline sulphite-anthraquinone (AS/AQ) wheat straw pulp is reported. Oxygen, oxone and hydrogen peroxide were used to achieve targeted brightness > 80 % ISO without compromising the other pulp properties i.e., burst, tensile and tear index, kappa number, CED viscosity, hexenuronic acid, accelerated ageing and percentage yield of bleached pulp. The effect of various reaction parameters such as alkali, pulp consistency, temperature, time and bleaching agent dosage were optimized for each stage of bleaching.

Item Details

Item Type:Refereed Article
Keywords:oxidative delignification, oxone, hexenuronic acid, kappa number, accelerated ageing, wheat straw pulp
Research Division:Chemical Sciences
Research Group:Other Chemical Sciences
Research Field:Industrial Chemistry
Objective Division:Manufacturing
Objective Group:Wood, Wood Products and Paper
Objective Field:Pulp and Paper
Author:Yaqoob, N (Ms Naila Yaqoob)
Author:Stack, KR (Dr Karen Stack)
ID Code:76638
Year Published:2011
Web of Science® Times Cited:2
Deposited By:Chemistry
Deposited On:2012-03-08
Last Modified:2012-08-29
Downloads:8 View Download Statistics

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