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Removal of acid-soluble lignin from biomass extracts using Amberlite XAD-4 resin
University of Maine, USA.
University of Maine, USA.ORCID iD: 0000-0002-8614-6291
2010 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 5, no 4, 2337-2347 p.Article in journal (Refereed) Published
Abstract [en]

This paper describes a method for the removal of acid-soluble lignin from acid-hydrolyzed hemicelluloses extracted from a mixture of northern US hardwood chips, by using Amberlite XAD-4 resin, which was shown to remove 100% of furan derivatives and 90% of acid-soluble lignin. Subsequent fermentation of the resin-treated hydrolyzates gave ethanol yields as high as 97% of theoretical and showed a marked increase in the fermentation rate. Regeneration of resin performed with 75% acetone was 85% efficient with respect to acid-soluble lignin.

Place, publisher, year, edition, pages
2010. Vol. 5, no 4, 2337-2347 p.
Keyword [en]
Acid-soluble lignin, Biomass pretreatment, Fermentation inhibitors, Green liquor extraction, Hot water extraction, XAD-4, Acid soluble lignin, Amberlite XAD-4 resin, Ethanol yield, Fermentation rate, Furan derivatives, Green liquors, Hardwood chips, Acetone, Ethanol, Fermentation, Resins, Solvent extraction, Lignin
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:kth:diva-72204ISI: 000282444000026OAI: oai:DiVA.org:kth-72204DiVA: diva2:487298
Note
QC 20120131Available from: 2012-01-31 Created: 2012-01-31 Last updated: 2017-12-08Bibliographically approved

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