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    Enhanced xylose recovery from oil palm empty fruit bunch by efficient acid hydrolysis

    Access Status
    Fulltext not available
    Authors
    Tan, H.
    Dykes, Gary
    Wu, T.
    Siow, L.
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Tan, H. and Dykes, G. and Wu, T. and Siow, L. 2013. Enhanced xylose recovery from oil palm empty fruit bunch by efficient acid hydrolysis. Applied Biochemistry and Biotechnology. 170 (7): pp. 1602-1613.
    Source Title
    Applied Biochemistry and Biotechnology
    DOI
    10.1007/s12010-013-0298-8
    ISSN
    0273-2289
    School
    School of Public Health
    URI
    http://hdl.handle.net/20.500.11937/42383
    Collection
    • Curtin Research Publications
    Abstract

    Oil palm empty fruit bunch (EFB) is abundantly available in Malaysia and it is a potential source of xylose for the production of high-value added products. This study aimed to optimize the hydrolysis of EFB using dilute sulfuric acid (H2SO4) and phosphoric acid (H3PO4) via response surface methodology for maximum xylose recovery. Hydrolysis was carried out in an autoclave. An optimum xylose yield of 91.2 % was obtained at 116 °C using 2.0 % (v/v) H2SO4, a solid/liquid ratio of 1:5 and a hydrolysis time of 20 min. A lower optimum xylose yield of 24.0 % was observed for dilute H3PO4 hydrolysis at 116 °C using 2.4 % (v/v) H3PO4, a solid/liquid ratio of 1:5 and a hydrolysis time of 20 min. The optimized hydrolysis conditions suggested that EFB hydrolysis by H2SO4 resulted in a higher xylose yield at a lower acid concentration as compared to H3PO4.

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