Delignification of corncob via combined hydrodynamic cavitation and enzymatic pretreatment: process optimization by response surface methodology

Table 1 Analysis of variance (ANOVA) for quadratic model for lignin reduction of corncob pretreated by HCE-OP₁

Source	Sum of squares	Degrees of freedom	Mean square	F value	p value Prob > F	Significance
Model	69.87	9	7.76	1166.54	< 0.0001	Significant
A	0.99	1	0.99	148.91	< 0.0001
B	0.09	1	0.09	13.6	0.0078
C	65.97	1	65.97	9912.54	< 0.0001
AB	0.022	1	0.022	3.27	0.1135
AC	0.06	1	0.06	9.04	0.0198
BC	1.06E−03	1	1.06E−03	0.16	0.7013
A ²	7.52E−07	1	7.52E−07	1.13E−04	0.9918
B ²	9.66E−03	1	9.66E−03	1.45	0.2675
C ²	2.73	1	2.73	410.21	< 0.0001
Residual	0.047	7	6.66E−03
Lack of fit	0.047	3	0.016
Pure error	0	4	0
Cor total	69.92	16
Std. dev.	0.081581			R-squared	0.999334
Mean	4.253575			Adj R-squared	0.998477
C.V. %	1.917932			Pred R-squared	0.989339
Press	0.745405			Adeq precision	103.0419

ISSN: 2731-3654