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Improvement of Biohydrogen Production Under Decreased Partial Pressure of H2 by Enterobacter cloacae |
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| Authors: | Biswajit Mandal Kaushik Nath Debabrata Das |
| Institution: | (1) FermentationTechnology Laboratory, Department of Biotechnology, Indian Institute of Technology, Kharagpur, 721 302, India;(2) Present address: Department of Chemical Engineering, G H Patel College of Engg & Technology, Vallabh Vidyanagar, 388120, Gujarat, India |
| Abstract: | When the partial pressure of H2 was decreased by lowering the total pressure in the headspace of the reactor in a batch fermentation process from 760 mm Hg to 380 mm Hg containing Enterobacter cloacae, the molar yield of H2 increased from 1.9 mol to 3.9 mol H2/mol glucose. The maximum production rate was 0.017 mmol H2/h l at 380 mm Hg. The lag period as well as total batch time of H2 production decreased using a decreased partial pressure. |
| Keywords: | Biohydrogen Enterobacter cloacae fermentation H2 yield partial pressure |
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