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Application of Brown-Rot Basidiomycete Fomitopsis sp. IMER2 for Biological Treatment of Black Liquor

Paper ID Volume ID Publish Year Pages File Format Full-Text
22120 43255 2007 5 PDF Available
Title
Application of Brown-Rot Basidiomycete Fomitopsis sp. IMER2 for Biological Treatment of Black Liquor
Abstract

Acid-producing fungi can be used for the treatment of black liquor by biological acidification for the precipitation of alkali lignin. The effects of alkali lignin obtained from black liquor on the growth, acid-producing capacity and glucose consumption of a brown-rot fungus Fomitopsis sp. IMER2 were investigated and the changes in the functional group in the resulting alkali lignin were analyzed by Fourier transform infrared (FTIR) spectroscopy. Although the presence of alkali lignin inhibited fungal growth and acid production, it enhanced glucose consumption. This suggests that the physiological response of this fungus to stress induced by alkali lignin is unique. Furthermore, the analysis of the effects of the resulting alkali lignin on the growth rate showed that several functional groups were evidently improved for the use of available resources.

Keywords
Fomitopsis sp. IMER2; black liquor; alkali lignin; Fourier transform infrared spectroscopy; biological acidification precipitation
First Page Preview
Application of Brown-Rot Basidiomycete Fomitopsis sp. IMER2 for Biological Treatment of Black Liquor
Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 104, Issue 6, December 2007, Pages 446–450
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering