Table 6 Selected parameters and results obtained from the designed experiment.

From: Pore size engineering of cost-effective all-nanoporous multilayer membranes for propane/propylene separation

Run

A

B

C

Step 1

Step 2

The average size of MFI zeolite grain (nm)

%Error

A

B

C

The average size of MFI zeolite crystals (nm

%Error

Actual value

Predicted value

Actual value

Predicted value

1

48

0.6

8

409.55

409.67

0.03

24

165

0.15

298.36

297.35

0.3

2

34

0.1

4

355.67

355.42

0.07

13

172.5

0.15

210.36

209.55

0.4

3

34

0.6

12

270.86

271.11

0.09

2

172.5

0.05

190.75

188.36

1.2

4

48

0.1

8

622.2

622.58

0.06

13

165

0.25

200.85

200.71

0.07

5

34

0.6

4

410

410

0

13

172.5

0.15

210.56

209.55

0.5

6

34

0.35

8

550

552.60

0.5

13

180

0.05

120.42

120.53

0.09

7

34

0.35

8

558

552.60

1

13

180

0.25

206.97

207.08

0.05

8

20

0.1

8

97.45

97.33

0.1

24

180

0.15

145.53

144.27

0.9

9

34

0.35

8

562

552.60

1.7

2

165

0.15

210.48

213.22

1.3

10

34

0.35

8

545

552.60

1.4

13

172.5

0.15

203.56

209.55

2.8

11

20

0.6

8

318.2

317.82

0.05

13

172.5

0.15

210.56

209.55

0.5

12

48

0.35

12

344.9

344.52

0.1

13

172.5

0.15

213.6

209.55

1.9

13

34

0.1

12

318.1

318.10

0

24

172.5

0.25

198.22

199.58

0.7

14

20

0.35

4

123.7

124.08

0.3

2

180

0.15

180.86

183.35

1.3

15

34

0.35

8

548

552.60

0.8

13

165

0.05

310

309.86

0.04

16

48

0.35

4

574.65

574.53

0.02

2

172.5

0.25

210.6

208.21

1.1

17

20

0.35

12

177.75

177.87

0.07

24

172.5

0.05

240.67

242.03

0.64