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Environmental Sciences Europe

Table 4 ANOVA for the response surface reduced quadratic model for the PI process

From: Degradation of paraquat herbicide using hybrid AOP process: statistical optimization, kinetic study, and estimation of electrical energy consumption

Source

Sum of squares

df

Mean square

F-value

p-value Prob > F

Model

6168.64

5

1233.73

41.12

 < 0.0001

A- IO4−

3977.48

1

3977.48

132.57

 < 0.0001

B- pH

489.86

1

489.86

16.33

0.0012

C- TiO2

507.83

1

507.83

16.93

0.0011

A2

221.91

1

221.91

7.40

0.0166

B2

1048.98

1

1048.98

34.96

 < 0.0001

Residual

420.03

14

30.00

  

Lack-of-fit

418.49

9

46.50

150.81

 < 0.0001

Pure error

1.54

5

0.31

  

Cor Total

6588.67

19

   
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