TABLE 1

Stoichiometric energy generating reactions in the syntrophic coculture

ProcessRedox reactionΔG°′ (kJ/mol)Equation no.
Crotonate oxidation and reduction2C4H5O2 + 2H2O → 2C2H3O2 + C4H7O2 + H+–3501
Butyrate fermentation reactionC4H7O2 + 2H2O → 2C2H3O2 + H+ + 2H2(g)b46.8a2
TCE reduction to cis-DCEC2HCl3 + H2 → C2H2Cl2 + H+ + Cl–1333
cis-DCE reduction to VCC2H2Cl2 + H2 → C2H3Cl + H+ + Cl–1444
VC reduction to ETHC2H3Cl + H2 → C2H4 + H+ + Cl–1545
  • a ΔG°′ (pH 7.0) was corrected to 307.15 K.

  • b 2H2(g), 2H2 gas.