Bioethanol Production from Oil Palm Frond by Simultaneous Saccharification and Fermentation ☆

Published Date
Energy Procedia
November 2015, Vol.79:784–790, doi:10.1016/j.egypro.2015.11.567
2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies
Open Access, Creative Commons license

Author 

• Sureeporn Kumneadklang ^a,b
• Siriporn Larpkiattaworn ^b
• Chaisit Niyasom ^c
• Sompong O-Thong^a,d,e,,

• aBiotechnology Program, Faculty of Science, Thaksin University, Phatthalung, Thailand
• bThailand Institute of Scientific and Technological Research, Tambon Klong 5 Khlong Luang Pathum Thani,Thailand
• cDepartment of Biology, Faculty of Science, Thaksin University, Phatthalung, Thailand,
• dResearch Center in Energy and Environment, Faculty of Science, Thaksin University, Phatthalung,Thailand
• eResearch Group for Development of Microbial Hydrogen Production Process from Biomass, Khon Kaen University, Khon Kaen, Thailand

Available online 3 December 2015. 

Abstract

Ethanol production from oil palm frond (OPF) by simultaneous saccharification and Saccharomyces cerevisiae TISTR5048 fermentation was investigated. Solid fraction of OPF (20% TS) was pretreated by 2% H₂SO₄, 2% NaOH and 2% NaOH in H₂O₂presoaking at room temperature for 24 hours. Pretreated OPF by presoaking in 2% H₂SO₄, 2% NaOH and 2% NaOH in H₂O₂ contained 37%, 42% and 49% of cellulose, respectively. Pretreated OPF was simultaneous saccharification by cellulase enzyme (Cellic CTec2, Novozymes) and sequentially fermentation. Sugar concentration in OPF cellulose hydrolysis of 2% H₂SO₄, 2% NaOH and 2% NaOH in H₂O₂ presoaking was 45.72, 55.73 and 56.94 g/l, respectively. Ethanol concentration of 2% H₂SO₄, 2% NaOH and 2% NaOH in H₂O₂ presoaking was 14.5, 15.0 and 17.2 g/L, respectively. 2% NaOH in H₂O₂ presoaking was the best pretreatment with 82.11% of total solids recovery and containing 49.9% of cellulose with enzyme digestion ability of 37.6%.

Keywords

Ethanol production

Oil palm frond

Preteatment

Simultaneous saccharification and fermentation

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• ☆
  Peer-review under responsibility of the Organizing Committee of 2015 AEDCEE.

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