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

Table 4

ANOVA table for removal efficiency (model for response ).

Source	Sum of squares	df	Mean square	-value	value	Comment
Model	1773.14	9	197.02	529.63	<0.0001	Significant
	300.64	1	300.64	808.29	<0.0001	Significant
	963.17	1	963.17	2589.51	<0.0001	Significant
	109.47	1	109.47	294.33	<0.0001	Significant
	95.8	1	95.8	257.56	<0.0001	Significant
	27.28	1	27.28	73.33	<0.0001	Significant
	41.13	1	41.13	110.59	<0.0001	Significant
	13.07	1	13.07	35.02	0.0001	Significant
	91.28	1	91.28	245.42	<0.0001	Significant
	1.2	1	1.2	3.22	0.1031
Residual	3.72	10	0.37