Partial Pressures of CO₂ and H₂ and Fate of By-products in Anaerobic Bio-Hydrogen Fermentation
2005
Park, W.S. (Gwangju Institute of Science and Technology, Gwangju, Republic of Korea) | Kim, I.S. (Gwangju Institute of Science and Technology, Gwangju, Republic of Korea), E-mail: [email protected]
In a previous research, it has been found that it could be possible to increase the partial pressure of hydrogen and hydrogen yield by scavenging the CO₂ from the headspace of reactor. In this research, the positive and negative effects of the CO₂ scavenging especially on the fate of by-products were investigated by a batch experiment. Production and conversion of by-products had critical relationships with hydrogen evolution and consumption. The maximum hydrogen faction in the headspace was increased from 66.4 to 91.2% by removing the CO₂ in the headspace and the degradation rate of glucose was also enhanced.
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