| Autothermal, single-stage, performic acid pretreatment of Miscanthus x giganteus for the rapid fractionation of its biomass components into a lignin/hemicellulose-rich liquor and a cellulase-digestible pulp. | |
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MedLine Citation:
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PMID: 22305481 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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A novel approach to the performic acid pulping of biomass enables effective delignification and fractionation in a time frame not achieved heretofore. An autothermal decomposition reaction was triggered when 100mg/L Fe(2)(SO(4))(3) in 4.0M NaOH was added to 5% or 7.5% H(2)O(2) in aqueous formic acid containing chipped Miscanthus x giganteus. Peroxy-decomposition resulted in pressures of 19 and 35bar in the 5% and 7.5% peroxide liquors and reduced the lignin content in the resulting pulps to <6% within 140 and 30min, respectively. Solubilised lignin was available for recovery from the liquor by subsequent dilution with water. Hemicellulose removal to the liquor was 68% and 89% for the 5% and 7.5% peroxide solutions. Crystalline cellulose yields were >99% and >95% and the rate of glucose release from cellulase digestion of the pulps in 24h was more than 20-fold that for the raw Miscanthus. |
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Authors:
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Donncha Haverty; Karla Dussan; Anna V Piterina; J J Leahy; M H B Hayes |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-11 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-2-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Carbolea, Chemical and Environmental Science Department, University of Limerick, Ireland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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