Samples

Al2O3

CaO

Fe2O3

K2O

MgO

MnO

Na2O

P2O5

SiO2

LOI

(%)

Waste from refusal to screens

8.73

30.93

5.02

0.21

0.69

0.03

0.35

20

19.77

11.6

Phosphate washing sludge

10.47

20.79

6.8

0.44

1.17

0.03

3.49

14.2

20.69

18.6

Magnetic waste

2.83

22.22

40.42

0.04

0.17

1.10

0.30

15.7

5.17

9.6

Discharge of dust

1.22

50.1

1.40

0.016

0.068

0.024

0.19

35.5

3.24

3.9