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Influence of solid loading on enzymatic hydrolysis of steam exploded or liquid hot water pretreated olive tree biomass

Paper ID Volume ID Publish Year Pages File Format Full-Text
35886 45112 2007 7 PDF Available
Title
Influence of solid loading on enzymatic hydrolysis of steam exploded or liquid hot water pretreated olive tree biomass
Abstract

Olive tree pruning biomass, pretreated by either liquid hot water or steam explosion under selected conditions, was used as a substrate for enzymatic hydrolysis. The pretreated material was further submitted to alkaline delignification, the objective being to improve hydrolysis yields as well as increasing cellulose content in the pretreated feedstock. The enzymatic hydrolysis of pretreated residues was performed using a commercial cellulase mixture supplemented with β-glucosidase, using a solid loading range from 2 to 30% (w/v). The influence of substrate concentration on the enzymatic hydrolysis yield and on glucose concentration was studied. Comparative results with and without a delignification step are presented. Enzymatic hydrolysis at high substrate concentration (≥20%) is possible, yielding a concentrated glucose solution (>50 g/L). Nevertheless, a cellulose fraction of the pretreated residue remains unaltered.

Keywords
Olive tree biomass; Ethanol; Pretreatment; Delignification; Enzymatic hydrolysis; Substrate concentration
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Influence of solid loading on enzymatic hydrolysis of steam exploded or liquid hot water pretreated olive tree biomass
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 42, Issue 6, June 2007, Pages 1003–1009
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
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us