Sanitary Ware Waste as a Source for a Valuable Biodiesel Catalyst

Table 5

Results of ANOVA analysis.

Source	Sum of squares	df	Mean square	-value	value	Significant
Model	1783.89	8	222.99	35.79	<0.0001
A-reaction time	39.02	1	39.02	6.26	0.0207
B-methanol/oil ratio	616.11	1	616.11	98.90	<0.0001
C-catalyst loading	3.68	1	3.68	0.5910	0.4506
D-temperature	752.64	1	752.64	120.81	<0.0001
BC	34.81	1	34.81	5.59	0.0278
BD	86.49	1	86.49	13.88	0.0012
B^2	53.53	1	53.53	8.59	0.0080
D^2	218.55	1	218.55	35.08	<0.0001
Residual	130.83	21	6.23
Lack of fit	130.83	16	8.18
Pure error	0.0000	5	0.0000