Experimental conditions

Chemical Analysis (wt%)

Time

Temperature

As

As

Volatilization

Mixture

Experiment

minutes

(˚C)

Copper concentrate/ RP dust

75/25 (wt%/wt%)

1

2

600

2.9

34.8

2

5

600

2.9

33.6

3

10

600

3.0

33.0

4

15

600

2.9

34.5

5

2

650

2.9

34.3

6

5

650

2.7

40.2

7

10

650

2.3

47.9

8

15

650

1.8

59.4

9

2

700

2.2

49.9

10

5

700

1.3

69.8

12

10

700

0.5

88.0

13

15

700

0.2

96.4

Sulfur/RP dust

5/95 (wt%/wt%)

14

15

600

3.0

24.0

15

15

620

1.7

57.3

16

15

650

1.3

67.5

17

15

700

1.4

65.8