Removal of headspace CO2 increases biological hydrogen production by C. acetobutylicum

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

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The effect of removal of resultant gas resulted in enhancement of the H2 yield. The technique of CO2 scavenging resulted in H2 yield being improved from 408 mL g-1 to reach the maximum of 422 mL g-1. The highest hydrogen productivity of 87.9 ml L-1 h-1 was obtained by CO2 scavenging. Biomass concentration was enhanced to 1.47 g L-1, YP/X of 287 ml g-1 L-1, YX/S of 0.294 and YH2/s of 0.0377 by the use of CO2 scavenging. The results suggested that the presence of the gaseous products in fermentation medium and headspace adversely effect biomass growth and hydrogen production.

Original languageEnglish
Pages (from-to)2336-2340
Number of pages5
JournalPakistan Journal of Biological Sciences
Volume11
Issue number19
DOIs
Publication statusPublished - 2008

Fingerprint

hydrogen production
headspace analysis
carbon dioxide
biomass
hydrogen
fermentation
gases
methodology

Keywords

  • Batch fermentation
  • CO scavenging
  • Glucose
  • KOH

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Removal of headspace CO2 increases biological 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. 19, 2008, p. 2336-2340.

Research output: Contribution to journalArticle

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