Kinetics of growth and hydrogen uptake byMethanobacterium formicicum
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Fermentation kinetics for the growth and conversion of H2 and CO2 to CH4 byM. formicicum were modeled by using Monod equations. The maximum specific growth rate and H2 uptake rate μmax and qmax, were found to be 0.053 h−1 and 0.13 mol/hg cell, respectively. The partial pressure of H2 was found not to have a significant effect on either growth or H2 utilization. The yield of CH4 from H2 was calculated as 0.27 mol/mol, which is within 7% of the theoretical value of 0.25.
KeywordsHydrogen Growth Rate Fermentation Organic Chemistry Partial Pressure
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