Effect of salts addition on hydrogen production by C. acetobutylicum

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

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The objective of this study is to investigate the effect of salts addition to fermentation medium on hydrogen production, under anaerobic batch culture system. In this study, batch experiments were conducted to investigate the inhibitory effect of both NaCl and sodium acetate on hydrogen production. The optimum pH and temperature for hydrogen production were at initial pH of 7.0 and 30°C. Enhanced production of hydrogen, using glucose as substrate was achieved. In the absence of Sodium Chloride and Sodium Acetate enhanced hydrogen yield (YP/S) from 350 mL g-1 glucose utilized to 391 mL g-1 glucose utilized with maximum hydrogen productivity of 77.5 ml/L/h. Results also show that sodium chloride and sodium acetate in the medium adversely affect growth. Hydrogen yield per biomass (YP/X) of 254 ml/L/g, biomass per substrate utilized (YX/S) of 0.268 and (Y H2/S) of 0.0349. The results suggested that Sodium at any concentration resulted to inhibit the bacterial productivity of hydrogen.

Original languageEnglish
Pages (from-to)2193-2200
Number of pages8
JournalPakistan Journal of Biological Sciences
Volume11
Issue number18
DOIs
Publication statusPublished - 2008

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hydrogen production
sodium acetate
hydrogen
sodium chloride
salts
glucose
biomass
fermentation
sodium
temperature

Keywords

  • Anaerobic hydrogen
  • Biomass
  • NaCl and sodium acetate inhibition

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Effect of salts addition on hydrogen production by C. acetobutylicum. / Alshiyab, Hisham; Kalil, Mohd. Sahaid; Abdul Hamid, Aidil; Wan Yusoff, Wan Mohtar.

In: Pakistan Journal of Biological Sciences, Vol. 11, No. 18, 2008, p. 2193-2200.

Research output: Contribution to journalArticle

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AB - The objective of this study is to investigate the effect of salts addition to fermentation medium on hydrogen production, under anaerobic batch culture system. In this study, batch experiments were conducted to investigate the inhibitory effect of both NaCl and sodium acetate on hydrogen production. The optimum pH and temperature for hydrogen production were at initial pH of 7.0 and 30°C. Enhanced production of hydrogen, using glucose as substrate was achieved. In the absence of Sodium Chloride and Sodium Acetate enhanced hydrogen yield (YP/S) from 350 mL g-1 glucose utilized to 391 mL g-1 glucose utilized with maximum hydrogen productivity of 77.5 ml/L/h. Results also show that sodium chloride and sodium acetate in the medium adversely affect growth. Hydrogen yield per biomass (YP/X) of 254 ml/L/g, biomass per substrate utilized (YX/S) of 0.268 and (Y H2/S) of 0.0349. The results suggested that Sodium at any concentration resulted to inhibit the bacterial productivity of hydrogen.

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