Effect of hydrogen sulfide on growth of sulfate reducing bacteria

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Abstract

A culture of sulfate reducing bacteria (SRB) growing on lactate and sulfate was incubated at different pH values in the range of 5.8–7.0. The effect of pH on growth rate was determined in this pH range; the highest growth rate was observed at pH 6.7. Hydrogen sulfide produced from sulfate reduction was found to have a direct and reversible toxicity effect on the SRB. A hydrogen sulfide Concentration of 547 mg/L (16.1 mM) completely inhibited the culture growth. Comparison between acetic acid and hydrogen sulfide inhibition is presented and the concomitant inhibition kinetics are mathematically described. © 1992 John Wiley & Sons, Inc.

Original languageEnglish
Pages (from-to)593-600
Number of pages8
JournalBiotechnology and Bioengineering
Volume40
Issue number5
DOIs
Publication statusPublished - 1 Jan 1992

Keywords

  • acetic acid
  • hydrogen sulfide
  • inhibition
  • mathematical model
  • sulfate reducing bacteria

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