Paper mulberry fruit juice: a novel biomass resource for bioethanol production

Bioresources and Bioprocessing

Table 6 Actual and predicted values of final ethanol concentration based on a two-level fractional factorial design

Runs	KCl	MgSO₄	ZnSO₄	CaCl₂	CuSO₄	FeSO₄	CoCl₂	MnCl₂	Ethanol concentration (g/L)		Residual
Runs	KCl	MgSO₄	ZnSO₄	CaCl₂	CuSO₄	FeSO₄	CoCl₂	MnCl₂	Observed	Predicted	Residual
1	0.5	2.5	0.09	0.8	0.025	0.01	0.03	0.001	78.91	78.08	0.84
2	0.5	2.5	0.01	0.8	0.125	0.09	0.001	0.001	65.72	65.28	0.45
3	0.1	2.5	0.09	0.8	0.125	0.01	0.001	0.02	70.19	71.11	− 0.92
4	0.1	7.5	0.09	0.8	0.025	0.09	0.001	0.001	82.26	83.54	− 1.28
5	0.5	7.5	0.09	0.2	0.125	0.01	0.001	0.001	66.34	66.70	− 0.36
6	0.1	7.5	0.01	0.2	0.125	0.09	0.001	0.02	75.00	74.17	0.84
7	0.5	7.5	0.01	0.2	0.025	0.09	0.03	0.001	72.67	73.59	− 0.92
8	0.5	7.5	0.09	0.8	0.125	0.09	0.03	0.02	65.55	64.35	1.20
9	0.5	2.5	0.09	0.2	0.025	0.09	0.001	0.02	78.38	78.37	0.00
10	0.5	2.5	0.01	0.2	0.125	0.01	0.03	0.02	69.71	70.99	− 1.28
11	0.1	2.5	0.09	0.2	0.125	0.09	0.03	0.001	74.44	74.37	0.07
12	0.1	7.5	0.09	0.2	0.025	0.01	0.03	0.02	81.54	81.10	0.44
13	0.1	2.5	0.01	0.2	0.025	0.01	0.001	0.001	83.83	82.63	1.20
14	0.5	7.5	0.01	0.8	0.025	0.01	0.001	0.02	78.54	78.47	0.07
15	0.1	7.5	0.01	0.8	0.125	0.01	0.03	0.001	82.02	82.01	0.00
16	0.1	2.5	0.01	0.8	0.025	0.09	0.03	0.02	71.79	72.14	− 0.36
Control	0	0	0	0	0	0	0	0	78.04