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Development of a method for the production of hemicellulosic gels from Sitka Spruce.

Curling, Simon, Fowler, P A and Hill, Callum (2007) Development of a method for the production of hemicellulosic gels from Sitka Spruce. Carbohydrate Polymers, 69 (4). pp. 673-677. ISSN 0144-8617

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Abstract/Description

Timber can be used as a sustainable source for process chemicals (Silvichemicals), with particular emphasis being placed on wood as source of chemical feedstocks. Bulk Silvichemicals are unlikely to be cost competitive with fossil fuel derived chemicals at present so ideally, research should be directed towards materials with exploitable properties and high intrinsic value in the market place. Research has generally been aimed at the utilisation of cellulose, extractives or degradation products with only minor interest in the utilisation of undegraded hemicelluloses. To increase the intrinsic value the environmental credentials of the product must be considered. The aim of this study was to development a mechanical and/or mild chemical method for the extraction of hemicelluloses in the form of gels. A number of parameters were tested and are detailed and discussed in terms of effectiveness and feasibility. Mechanical refining followed by mild alkaline extraction was found to be effective on a laboratory scale.

Item Type: Article
Print ISSN: 0144-8617
Uncontrolled Keywords: Hemicellulose; Extraction; Timber; Renewable feedstock
University Divisions/Research Centres: Faculty of Engineering, Computing and Creative Industries > School of Engineering and the Built Environment
Dewey Decimal Subjects: 500 Science > 570 Life sciences; biology > 572 Biochemistry
500 Science > 570 Life sciences; biology > 575 Specific parts of & systems in plants
500 Science > 540 Chemistry > 541 Physical chemistry
Library of Congress Subjects: Q Science > QK Botany
Q Science > QD Chemistry
S Agriculture > SB Plant culture
Item ID: 1985
Depositing User: RAE Import
Date Deposited: 09 Jun 2008 11:57
Last Modified: 11 Oct 2013 13:29
URI: http://researchrepository.napier.ac.uk/id/eprint/1985

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