Size (µm)

Dry weight

Grade SiO₂

(%)

Recovery

(%)

(kg)

(%)

+500

1.11

16.60

99.37

16.69

Product

500 - 125

3.19

47.90

99.58

48.15

−125

0.27

4.00

90.32

3.63

Sub-total

4.56

68.60

98.99

68.47

+500

0.27

4.10

99.20

4.12

Middling

500 - 125

1.16

17.50

99.51

17.53

−125

0.03

0.50

98.35

0.51

Sub-total

1.47

22.10

99.43

22.15

+500

0.10

1.50

99.19

1.53

Reject

500 - 125

0.47

7.10

99.47

7.15

−125

0.05

0.70

98.15

0.70

Sub-total

0.62

9.40

99.32

9.38

Reconstituted feed

6.66

100.00

99.12

100.00