Based on Eqs. (3)–(5), assuming the production of 1 mol of CO2 with the pro-
duction of 1 mol of ethanol or acetate, and 2 mol of CO2 with the production of
1 mol of butyrate.
Based on Eqs. (3)–(5), assuming the production of 1 mol of H2 with the pro-
duction of 1 mol of ethanol, and 2 mol of H2 with the production of 1 mol of acetate
or butyrate.
HG/HL: the ratio of the measured H2 production in the gas products and the
theoretical H2 production in the liquid phase.