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Tannase: Hydrolyzing agent for tanning industries

Kannan, N (2009) Tannase: Hydrolyzing agent for tanning industries. Tutorial Review , 4 (5). pp. 306-310.

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Abstract

Tannins are an important ingredient in the process of tanning leather that prevents decomposition and ususlaly imparts colour to the leather. Tannin is the fourth most abundant plant constituent after cellulose, hemicellulose and lignin. Tannins are water soluble poly-phenols with varying molecular weight depending on the bonds possessed with proteins and polysaccharides.Tannins occur commonly in the wastes from forestry, plant medicine,paper and leather industries. The treatment of this kind of tannin containing wastes, including adsorption, coagulation, liming, settling and biodegradation, is usually difficult because the nature of tannins are highly soluble in water and also it inhibit the growth of microorganisms in activated sludge. The objective of this present paper reviews the investigation about the biodegradability of tannin containing wastes with the help of biological treatment.

Item Type: Article
Uncontrolled Keywords: Tannins;Biological treatment;Biodegradation;Effluent;Microbial enzyme.
Subjects: Engineering > MIT Manipal > Biotechnology
Engineering > MIT Manipal > Chemical
Depositing User: MIT Library
Date Deposited: 02 Jun 2011 07:02
Last Modified: 23 Sep 2014 11:09
URI: http://eprints.manipal.edu/id/eprint/108

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