Process for roasting seleniferous material

Details Process for roasting seleniferous material Process for roasting seleniferous material

C - Chemistry, Metallurgy

01

B

23/328

C01B 19/02 (2006.01) C01B 19/00 (2006.01)

Patent

CA 1208415

Abstract of Disclosure The invention concerns a procedure for separating selenium from seleniferous rawmaterial 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.

431715

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