Size fraction (mm)

Products

Weight (%)

Chemical analysis (%)

Distribution (%)

of the fraction

of the initial

Fe2O3

SiO2

NiO

Fe2O3

SiO2

NiO

−8 + 4

Magnetic 1

50.6

23.9

31.70

42.77

0.96

68.97

41.69

37.49

Magnetic 2

15.9

7.5

24.24

49.70

1.17

16.57

15.22

14.25

Magnetic 3

19.1

9.0

16.04

60.74

1.52

13.14

22.30

22.27

Non-magnetic

14.4

6.8

2.12

74.97

2.34

1.31

20.80

25.98

Total

100.0

47.3

23.26

51.94

1.30

100

100

100

−4 + 1

Magnetic 1

74.3

21.3

32.91

31.89

1.38

91.51

60.74

61.67

Magnetic 2

13.5

3.9

14.54

47.38

2.76

7.37

16.44

22.52

Non-magnetic

12.1

3.5

2.48

73.58

2.17

1.12

22.82

15.81

Total

100.0

28.7

26.74

39.03

1.66

100

100

100

−1 + 0.250

Magnetic 1

59.0

6.0

28.34

34.84

2.27

78.83

48.38

48.03

Magnetic 2

14.0

1.4

17.67

42.44

3.84

11.67

13.99

19.30

Magnetic 3

7.0

0.7

14.63

45.36

4.32

4.83

7.48

10.87

Non-magnetic

20.0

2.0

4.96

64.09

3.04

4.67

30.15

21.81

Total

100.0

10.2

21.21

42.49

2.79

100

100

100

−0.250 + 0.063

Magnetic 1

86.4

4.5

22.77

38.17

2.61

96.73

80.02

87.87

Magnetic 2

5.4

0.3

8.60

50.35

4.21

2.29

6.61

8.85

Non-magnetic

8.2

0.4

2.44

67.19

1.03

0.98

13.37

3.27

Total

100.0

5.2

20.34

41.21

2.57

100

100

100

−0.063

Total

100.0

8.7

19.21

44.13

1.87

100

100

100

Grand Total

100