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Biological pretreatment of rice straw by fermenting with Dichomitus squalens

Paper ID Volume ID Publish Year Pages File Format Full-Text
33838 44992 2010 11 PDF Available
Title
Biological pretreatment of rice straw by fermenting with Dichomitus squalens
Abstract

Rice straw was fermented by a wood-rot fungus Dichomitus squalens as a biological pretreatment, to increase the enzymatic digestibility of lignocellulose and promote cellulose hydrolysis. Response surface methodology was employed to optimize the fermentation medium of D. squalens for achieving the maximum volumetric activity of manganese peroxidase. The fermentation of rice straw by D. squalens for 15 days resulted in the enzymatic digestibility of 58.1% of theoretical glucose yield for the remaining glucan. In addition, a significant reduction in the crystallinity index and microstructural changes in the fermented rice straw were revealed. When the fungal-fermented rice straw was used as a substrate for ethanol production in simultaneous saccharification and fermentation, the ethanol production yield and productivity were 54.2% of the theoretical maximum and 0.39 g/L/hour, respectively, after 24 hours.

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Biological pretreatment of rice straw by fermenting with Dichomitus squalens
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Publisher
Database: Elsevier - ScienceDirect
Journal: New Biotechnology - Volume 27, Issue 4, 30 September 2010, Pages 424–434
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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