Fermentative hydrogen production with Clostridium butyricum CGS5 isolated from anaerobic sewage sludge

  title={Fermentative hydrogen production with Clostridium butyricum CGS5 isolated from anaerobic sewage sludge},
  author={Wen‐Ming Chen and Z. Tseng and K. Lee and Jo-Shu Chang},
  journal={International Journal of Hydrogen Energy},
Abstract A Clostridium butyricum strain, isolated from hydrogen-producing sewage sludge, was examined for its ability to produce H 2 from sucrose-based medium under different medium composition, pH, and carbon substrate concentration. The strain, designated as C. butyricum CGS5, grew and produced hydrogen efficiently on iron-containing medium. Hydrogen started to evolve when cell growth entered mid-exponential phase and reached maximum production rate at the stationary phase. The optimal… Expand
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