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


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



Process Biochemistry 39(12): 1909-1912



ISSN/ISBN: 1359-5113

DOI: 10.1016/j.procbio.2003.09.009

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.

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