Table 1

Metabolite-production rates in the cellulose-fed MFCa

Enrichment phase

Dayb

Metabolite-production rate (mmol l-1 d-1)


Electron

Methane

Acetate

Propionate

Butyrate

Hydrogen


I

0 to 32

0.59

0.10

0.51

0.25

0.05

0.00

I

35 to 45

0.64

3.66

-3.60c

0.02

0.03

0.00

II

46 to 82

0.54

0.15

0.32

0.02

0.00

0.00

IId

87 to 96

1.55

0.11

-0.31c

0.00

0.00

0.00

III

97 to 136

0.65

0.06

0.08

0.00

0.00

0.00

IV

140 to 210

0.65

0.08

0.09

0.01

0.00

0.00

V

220 to 273

0.69

0.09

0.12

0.01

0.00

0.00


a Short-chain alcohols (ethanol, propanol and butanol) were not detected throughout the experiment.

b Data obtained in these days were used for calculation.

c Acetate was consumed.

d Ferricyanide was added to the cathode chamber.

Ishii et al. BMC Microbiology 2008 8:6   doi:10.1186/1471-2180-8-6

Open Data