Zone label

Yield

/%

Gradation/%

Recovery ratio/%

SiO2

Al2O3

Fe2O3

TiO2

SiO2

Al2O3

Fe2O3

TiO2

Underflow K1

0.67

86.42

6.74

4.21

0.76

0.74

0.27

1.79

2.00

Middling K2

21.47

92.32

5.03

1.36

0.25

24.91

6.32

18.23

20.82

Middling K3

17.88

89.30

8.52

0.73

0.14

20.06

8.91

8.15

9.71

Middling K4

2.26

82.28

14.39

1.37

0.29

2.34

1.90

1.93

2.54

Overflow K5

57.71

71.64

24.46

1.94

0.29

51.95

82.60

69.90

64.92

∑(original ores)

100

78.32

17.50

2.11

0.38

100

100

100

100