Table 3 Performance of the co-culture in a carbon-limited chemostat at steady states of two different dilution rates with glucose and xylose (4 g L^-1; 1:1) as the growth limiting substrates (yeast extract, 1 g L^-1; pH 6.7; 70°C).

D(h^-1)

$Y_{{\text{H}}_{\text{2}}}$[mol (mol C6)^-1]

$Q_{{\text{H}}_{\text{2}}}$(mmol L^-1h^-1)

$q_{{\text{H}}_2}$(mmol gCDW^-1h^-1)

Biomass concentration (gCDW L^-1)

Y_sx[gCDW (mol C6)^-1]

Residual sugar (mM)

Glucose

Xylose