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Table 2 Organic acid concentrations in the liquid fractions of MFCs operated for 30 days at pH 7.0, pH 5.5, or pH 4.0

From: Comparative metabolic state of microflora on the surface of the anode electrode in a microbial fuel cell operated at different pH conditions

MFC Organic acid concentration (mM)
Formate Acetate Propionate Butyrate Lactate
pH 7.0 ND 0.39 ND 0.08 ND
pH 5.5 0.27 0.44 0.19 0.30 ND
pH 4.0 0.18 0.62 0.47 0.47 0.06
  1. ND not detected