Trace metal effect on hydrogen production using C. acetobutylicum

Hisham Alshiyab, Mohd. Sahaid Kalil, Aidil Abdul Hamid, Wan Mohtar Wan Yusoff

Research output: Contribution to journalArticle

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Abstract

This study was carried out to study the effect of trace metal addition for hydrogen production The results show that this bacterial need a selected nutrient with selected concentration. The optimum parameters for cultivation were at initial pH of 7.0 and temperature of 30°C. Trace metal addition to the new medium showed that only iron enhanced the H2 yield. The results showed that 25 mgL-1 FeSO4·7H2O enhanced the hydrogen yield from 391 mLg-1 to 408 mLg-1 glucose utilized with biomass concentration of 1.38 gL-1. Y P/X of 292 mLg-1 L-1, YX/S of 0.276 and YH2/s of 0.0364, gave the maximum hydrogen productivity of 81.6 mL L-1 h-1. Magnesium and calcium addition were better for growth and not for hydrogen production. Biomass concentration increases as trace metal increases in the fermentation medium. The highest biomass concentration was 1.65 gL-1 at 1000 mgL-1 FeSO 4·7H2O, 1.47 gL-1 at 1000 mgL -1 MgSO4·7H2O and 1.73 gL-1 at 500 mgL-1 CaCl2·2H2O, suggested that all trace metal are necessary for biomass production.

Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalOnLine Journal of Biological Sciences
Volume8
Issue number1
Publication statusPublished - 2008

Fingerprint

hydrogen production
Hydrogen production
Biomass
trace elements
Hydrogen
Metals
hydrogen
biomass
Fermentation
Magnesium
Nutrients
biomass production
magnesium
Iron
Productivity
fermentation
iron
Calcium
calcium
Glucose

Keywords

  • Batch fermentation
  • Biohydrogen
  • Glucose
  • Trace metal

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Trace metal effect on hydrogen production using C. acetobutylicum. / Alshiyab, Hisham; Kalil, Mohd. Sahaid; Abdul Hamid, Aidil; Wan Yusoff, Wan Mohtar.

In: OnLine Journal of Biological Sciences, Vol. 8, No. 1, 2008, p. 1-9.

Research output: Contribution to journalArticle

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