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-1 h-1)	$q_{{\text{H}}_2}$(mmol gCDW-1 h-1)	Biomass concentration (gCDW L-1)	Ysx [gCDW (mol C6)-1]	Residual sugar (mM)
						Glucose	Xylose
0.06	3.6 ± 0.1	4.5 ± 0.2	10.2 ± 0.3	0.44 ± 0.03	21.0 ± 0.9	0	0
0.15	3.2 ± 0	8.6 ± 0.4	24.7 ± 1.1	0.35 ± 0.03	19.4 ± 1.0	1.7 ± 0.1	1.4 ± 0.1

Values are means of two independent replicates ± standard deviation.