The effect of pH on hydrogen production with Citrobacter intermedius |
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| Authors: | J. D. Brosseau N. Kosaric J. E. Zajic |
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| Affiliation: | (1) Biochemical and Food Engineering, University of Western Ontario, London, Ontario, Canada;(2) Present address: Department of Microbiology, University of Saskatchewan, S7N 0W0 Saskatoon, Saskatchewan, Canada |
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| Abstract: | Summary Citrobacter intermedius was grown in a 14-liter fermenter under batch anaerobic conditions at the following controlled pH values: 5, 5.75, 6.0, 6.5, 7.0, 7.5, and 8.0. The growth medium was a glucose mineral salts medium with 0.1% ammonium sulfate as the source of sulfur. The optimum pH for H2 production was 5.75 and 6.0 which gave a yield of 1.1 moles H2/mole glucose. The optimum H2-productivity was 144 moles H2 per hour at pH 6.0. |
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