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Eucalyptus hydrolysate detoxification with activated charcoal adsorption or ion-exchange resins for xylitol production

Paper ID Volume ID Publish Year Pages File Format Full-Text
36721 45146 2004 4 PDF Available
Title
Eucalyptus hydrolysate detoxification with activated charcoal adsorption or ion-exchange resins for xylitol production
Abstract

Eucalyptus hemicellulosic hydrolysate used for xylitol production by Candida guilliermondii FTI20037 was previously treated either with ion-exchange resins or with activated charcoal adsorption combined with pH adjustment, in order that acetic acid, furfural and hydroxymethylfurfural could be removed. The best results for xylitol yield factor (0.76 g/g) and volumetric productivity (0.68 g/(l h) were attained when a three-fold concentrated hydrolysate was treated with ion-exchange resins. Using activated charcoal combined with pH adjustment for treating a three-fold concentrated hydrolysate resulted in a xylitol yield factor of 0.40 g/g and a volumetric productivity of 0.30 g/(l h). This same treatment applied to a six-fold concentrated hydrolysate resulted in a xylitol yield factor of 0.66 g/g and a volumetric productivity of 0.50 g/(l h).

Keywords
Eucalyptus hydrolysate; Treatment; Candida guilliermondii; Fermentation and xylitol production
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 39, Issue 12, 29 October 2004, Pages 1909–1912
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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