Procedure for roasting seleniferous material

Details Procedure for roasting seleniferous material Procedure for roasting seleniferous material

1983-06-23

1984-09-25

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

423508, 423510, C22B 102

Patent

active

044733968

ABSTRACT:
The invention concerns a procedure for separating selenium from seleniferous raw material by roasting this material with oxygen at elevated temperature in enclosed space.
With a view to improving the separation of selenium, the roasting is carried out in the presence of oxides of sulphur.

REFERENCES:
patent: 4242124 (1980-12-01), Makipirtti

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