Table 4 The trials designed via RSM along with biodiesel yield in different empirical circumstances.

From: Incorporation of CuO on the αFe2O3 nanoparticles as a heterogeneous catalyst for conversion of waste cooking oil into biodiesel

Run

Type

Molar ratio (mol/mol)

Catalyst dosage (wt%)

Temperature (°C)

Yield (%)

1

Center

11

2

60

93.78

2

Fact

8

2

70

70.32

3

Center

11

2

60

94.16

4

Fact

11

3

50

79.24

5

Fact

8

3

60

78.11

6

Fact

14

1

60

80.07

7

Fact

14

2

70

82.16

8

Fact

11

3

70

82.37

9

Fact

14

3

60

77.26

10

Fact

11

1

70

80.14

11

Fact

8

1

60

70.35

12

Center

11

2

60

94.27

13

Fact

14

2

50

71.68

14

Center

11

2

60

93.67

15

Fact

11

1

50

76.15

16

Fact

8

2

50

75.45

17

Center

11

2

60

94.04