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Table 3 Statistical analysis of the model by PBD for EPS-BP5M yield

From: Statistical optimization of waste molasses-based exopolysaccharides and self-sustainable bioelectricity production for dual chamber microbial fuel cell by Bacillus piscis

Source

Sum of squares

df

Mean square

F value

p value

 

Model

359.48

7

51.35

51.53

0.0009*

Significant

A, (X1)

296.71

1

296.71

297.73

 < 0.0001*

 

B, (X2)

4.55

1

4.55

4.57

0.0994

 

D, (X4)

7.66

1

7.66

7.69

0.0502

 

H, (X8)

15.89

1

15.89

15.95

0.0162*

 

J, (X9)

9.03

1

9.03

9.06

0.0395*

 

K, (X10)

19.69

1

19.69

19.75

0.0113*

 

L (X11)

5.95

1

5.95

5.97

0.0709

 

Residual

3.99

4

1

   

Cor total

363.47

11

    

R2

0.989

     

Adj R2

0.9698

     

Pred R2

0.9013

     

Adeq. precision

19.114

     
  1. A: molasses; B: yeast ex.; D: NaCl; H: MgSO4; J: MgCl; K: Inoculum size; L: pH; DF: degrees of freedom
  2. *Significant at P<0.05. The rest of other factors were non-significant
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Microbial Cell Factories

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