Table 5 Regression coefficient values, determination coefficients and ANOVA results.

From: Optimization of membrane dispersion ethanol precipitation process with a set of temperature control improved equipment

Process parameters

Y1

Y2

Y3

Y4

Y5

Coefficient

P value

Coefficient

P value

Coefficient

P value

Coefficient

P value

Coefficient

P value

Constant

 − 3401.126

 

 − 3301.511

 

628.697

 

 − 277.322

 

 − 487.500

 

Z3

 − 0.8486

0.0381*

 − 1.1012

0.0251*

1.1062

0.0021*

  

 − 0.2446

0.0129*

Z7

      

 − 1.8769

0.0148*

 − 1.1572

0.0024*

Z8

3.1972

 < 0.0001**

3.3332

 < 0.0001**

  

1.3343

 < 0.0001**

1.2904

 < 0.0001**

R2

0.9482

0.9335

0.7126

0.9584

0.9915

  1. *P < 0.05.
  2. **P < 0.01.
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