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Table 7 Actual vs. predicted oil yield from WO-RP

From: Response surface optimization of biodiesel yield from pre-treated waste oil of rendered pork from a food processing industry

Run

Methanol/oil ratio (mol)

Catalyst load (wt%)

Reaction time (min)

Actual yield (%)

Predicted yield (%)

1

4

0.75

60

94.48

93.47

2

4

0.75

60

92.37

93.47

3

5

0.55

45

91.88

91.73

4

3

0.55

45

95.52

96.14

5

4

0.75

60

93.13

93.47

6

4

0.75

60

93.68

93.47

7

4

0.75

60

94.47

93.47

8

5

0.95

75

88.74

88.67

9

5

0.55

75

94.64

94.77

10

6

0.75

60

88.26

88.35

11

2

0.75

60

93.97

93.52

12

3

0.95

45

93.41

93.45

13

5

0.95

45

88.78

89.05

14

3

0.95

75

89.12

89.44

15

4

1.15

60

87.23

87.13

16

4

0.75

30

93.74

93.96

17

4

0.35

60

96.17

95.91

18

4

0.75

60

93.92

93.47

19

3

0.55

75

95.27

95.54

20

4

0.75

90

92.69

92.98