Enhancement of batch biohydrogen production from prehydrolysate of acid treated oil palm empty fruit bunch

Poh She Chong, Jamaliah Md Jahim, Shuhaida Harun, Swee Su Lim, Sahilah Abd. Mutalib, Osman Hassan, Mohd Tusirin Mohd Nor

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Carbohydrates from hydrolyzed biomass has been a potential feedstock for fermentative hydrogen production. In this study, oil palm empty fruit bunch (OPEFB) was treated by sulfuric acid in different concentrations at 120 C for 15 min in the autoclave. The optimal condition for pretreatment was obtained when OPEFB was hydrolyzing at 6% (w/v) sulfuric acid concentration, which gave the highest total sugar of 26.89 g/L and 78.51% of sugar production yield. However, the best conversion efficiency of OPEFB pretreatment was 39.47 at sulfuric acid concentration of 4%. A series of batch fermentation were performed to determine the effect of pH in fermentation media and the potential of this prehydrolysate was used as a substrate for fermentative hydrogen production under optimum pretreatment conditions. The prehydrolysate of OPEFB was efficiently converted to hydrogen via fermentation by acclimatized mixed consortia. The maximum hydrogen production was 690 mL H2 L-1 medium, which corresponded to the yield of 1.98 molH2/molxylose achieved at pH 5.5 with initial total sugar concentration of 5 g/L. Therefore, the results implied that OPEFB prehydrolysate is prospective substrate for efficient fermentative hydrogen conducted at low controlled pH. No methane gas was detected throughout the fermentation.

Original languageEnglish
Pages (from-to)9592-9599
Number of pages8
JournalInternational Journal of Hydrogen Energy
Volume38
Issue number22
DOIs
Publication statusPublished - 26 Jul 2013

Fingerprint

Palm oil
fruits
Fruits
fermentation
oils
Fermentation
hydrogen production
sulfuric acid
Hydrogen production
sugars
acids
Sulfuric acid
Acids
augmentation
Sugars
pretreatment
Hydrogen
autoclaves
carbohydrates
Autoclaves

Keywords

  • Biohydrogen
  • Biomass hydrolyzate
  • Dark fermentation
  • Oil palm empty fruit bunch
  • Pretreatment
  • Sulfuric acid

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Enhancement of batch biohydrogen production from prehydrolysate of acid treated oil palm empty fruit bunch. / Chong, Poh She; Md Jahim, Jamaliah; Harun, Shuhaida; Lim, Swee Su; Abd. Mutalib, Sahilah; Hassan, Osman; Nor, Mohd Tusirin Mohd.

In: International Journal of Hydrogen Energy, Vol. 38, No. 22, 26.07.2013, p. 9592-9599.

Research output: Contribution to journalArticle

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