Table 3 Effect of lixiviants concentration on Mo leaching rate.

From: Evaluation of molybdenum recovery from sulfur removed spent catalyst using leaching and solvent extraction

 

ASC

AHP

ACD

ACHP

H2SO4

%(w/w) of leaching

0.1 M

10.41

15.47

16.86

16.99

0.5 M

18.94

20.54

22.55

22.56

1.0 M

20.68

21.67

22.99

23.39

1.5 M

23.26

23.84

23.86

24.69

2.0 M

24.59

24.84

24.17

24.82

Na2CO3

%(w/w) of leaching

0.1 M

20.59

30.63

26.75

34.24

0.5 M

38.26

55.76

49.65

58.53

1.0 M

52.87

76.56

65.98

84.97

1.5 M

55.33

78.86

68.63

86.36

2.0 M

56.25

78.87

70.54

86.83

NaOH

%(w/w) of leaching

0.1 M

26.38

34.77

28.26

37.32

0.5 M

40.66

61.87

54.77

64.19

1.0 M

55.78

78.27

67.89

85.85

1.5 M

61.69

84.87

71.38

93.77

2.0 M

62.99

86.86

71.54

94.88

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