Table 6.

Models applied for the estimation of biokinetic constants and kinetic parameters estimated by fitting the models to experimental data obtained for shake flask and reactor scale study

Component	Rate equations	Flask scale processa			Reactor scale processa
		Kinetic parameter	Regression coefficient (R2)	Root mean square error (RMSE)	Kinetic parameter	Regression coefficient (R2)	RMSE
Butanol		P0 = 0.4692	0.9616	0.469	P0 = 0.5286	0.9005	0.749
		Pmax = 4.752			Pmax = 5.03
		Pt = 0.0282			Pt = 0.0289
Biomass		X0 = 0.06284	0.9977	0.040	X0 = 0.07351	0.9733	0.687
		Xmax = 2.01			Xmax = 3.996
		μ = 0.03278			μ = 0.0351
Total sugar		S0 = 31.08		1.212	S0 = 32.43	0.9588	3.127
					YP/M = 0.59
		YP/M = 0.5234	0.9915		YX/M = 0.2041
		YX/M = 0.1676

^aUnder optimized conditions