A Combined Method in Parameters Optimization of Hydrocyclone

Table 9

Variance analysis of factors to FeSi separation efficiency.

Source	Sum of squares	df	Mean square	value	Prob >
Model	7.45	9	0.83	22.03	<0.0001
A	0.090	1	0.090	2.38	0.1537
B	1.20	1	1.20	31.88	0.0002
C	5.12	1	5.12	136.15	<0.0001
AB	0.017	1	0.017	0.45	0.5174
AC	0.020	1	0.020	0.53	0.4817
BC	0.016	1	0.016	0.43	0.5275
	0.033	1	0.033	0.88	0.3694
	0.12	1	0.12	3.32	0.0982
	0.83	1	0.83	22.16	0.0008
Residual	0.38	10	0.038
Lack of fit	0.14	5	0.028	0.59	0.7135
Pure error	0.24	5	0.047
Cor total	7.83	19

Adj -Squared = 0.9088; Pred -Squared = 0.8161; Adeq Precision = 17.306.