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Acid hydrolysis of xylan

Paper ID Volume ID Publish Year Pages File Format Full-Text
53498 46972 2016 5 PDF Available
Title
Acid hydrolysis of xylan
Abstract

•Hydrolysis of xylan at temperatures between 70 and 90 °C and pH from 0.5 to 3.•Different liquid (HCl, H2SO4, triflouroacetic acid, oxalic acid) and solid (Smopex-101) catalysts.•Strong influence of the acid concentration and temperature, no influence of initial xylan concentration.•Substantial leaching with a heterogeneous catalyst Smopex-101.

The public interest in usage of lignocellulosic biomass as a renewable resource has grown strongly during the last decade. Hemicelluloses are the second most abundant constituents of wood biomass, but have yet received less attention, compared to cellulose. In this work hydrolysis of xylan, as an example of hemicelluloses, was studied at moderate temperatures between 70 and 90 °C and pH values ranging from 0.5 to 3 with different liquid (HCl, H2SO4, triflouroacetic acid, oxalic acid) and solid (Smopex-101) catalysts. Experimental results showed complete cleavage of xylan with xylose yields of up to 95%.

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Keywords
Hemicellulose; Acid hydrolysis; Xylan; Xylose; Solid acid catalyst
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Acid hydrolysis of xylan
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 259, Part 2, 1 January 2016, Pages 376–380
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us