Experiment

Experimental Condition

Chemical composition (wt%)

Volatilization

Mixture

Atmosphere

Cu

Fe

S

As

Sb

As

Sb

18

RP Dust

Nitrogen

18.2

14.0

2.2

3.9

0.8

0.0

28.6

19

RP Dust

Air

16.2

14.1

2.5

4.2

0.7

0.0

33.3

20

RP Dust

SO₂

-

-

-

4.0

0.6

0.0

44.8

13*

Copper concentrate/RP Dust

Air

40.8

11.8

17.2

0.2

0.4

96.4

27.6

21

Sulfur/RP Dust

Nitrogen

18.5

12.4

5.4

1.4

0.3

64.0

69.0

17*

Sulphur/RP Dust

Air

18.9

13.2

6.1

1.4

0.3

65.8

72.5

22

Fe₇S₈ /RP Dust

Air

-

-

1.9

1.8

0.3

0.0

15.0