Modeling and Optimization for Production of Rice Husk Activated Carbon and Adsorption of Phenol

Table 5

ANOVA table for adsorption capacity (model for response ).

Source	Sum of squares ×10^−2	df	Mean square ×10^−2	-value	value	Comment
Model	674	9	75	570.02	<0.0001	Significant
	2	1	2	15.28	0.0029	Significant
	518	1	518	3947.56	<0.0001	Significant
	99	1	99	751.81	<0.0001	Significant
	0.03	1	0.03	0.23	0.6429
	0.8	1	0.8	6.09	0.0332	Significant
	48	1	48	366.07	<0.0001	Significant
	0.094	1	0.094	0.71	0.4181
	0.0057	1	0.0057	0.043	0.8394
	3.5	1	3.5	27	0.0004	Significant
Residual	1.3	10	0.13