Applied Biochemistry and Biotechnology

, Volume 170, Issue 7, pp 1602–1613 | Cite as

Enhanced Xylose Recovery from Oil Palm Empty Fruit Bunch by Efficient Acid Hydrolysis

  • Hooi Teng Tan
  • Gary A. Dykes
  • Ta Yeong Wu
  • Lee Fong Siow
Article
First Online:
Received:
Accepted:

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.

Keywords

Xylose Empty fruit bunch Sulfuric acid Phosphoric acid Optimization 
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Notes

Acknowledgments

The authors are grateful to School of Science, Monash University Sunway Campus for financial support.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Hooi Teng Tan
    • 1
  • Gary A. Dykes
    • 1
  • Ta Yeong Wu
    • 2
  • Lee Fong Siow
    • 1
  1. 1.School of ScienceMonash UniversityBandar SunwayMalaysia
  2. 2.Chemical Engineering Discipline, School of EngineeringMonash UniversityBandar SunwayMalaysia

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