Size (µm)

Dry weight

Grade SiO₂

(%)

Recovery

(%)

(kg)

(%)

+500

1.40

21.90

99.40

21.95

Product

500 - 125

3.98

62.18

99.66

62.47

−125

0.26

4.12

90.81

3.78

Sub-total

5.65

88.20

99.18

88.19

+500

0.13

1.98

99.19

1.98

Middling

500 - 125

0.54

8.37

99.49

8.40

−125

0.03

0.42

97.66

0.42

Sub-total

0.69

10.78

99.36

10.80

+500

0.007

0.11

99.17

0.11

Reject

500 - 125

0.048

0.75

98.90

0.75

−125

0.01

0.16

98.33

0.15

Sub-total

0.07

1.02

98.84

1.01

Reconstituted feed

6.40

100.00

99.20

100.00