Roasting of sulphide materials
AssigneesMetallurgical Processes Limited, I.S.C. Smelting Limited
InventorJames A. Charles
Life of this patent
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Abstract
A process for roasting zinc/lead sulphide materials, comprising forming substantially spherical pellets composed predominantly of lead sulphide, coating these with predominantly zinc sulphide material, and then roasting the coated pellets in a roasting apparatus to effect oxidation of sulphide, predominantly to oxide.
Claims6
A process for roasting zinc/lead sulphide materials, comprising forming substantially spherical pellets composed predominantly of lead sulphide, coating said pellets with predominantly zinc sulphide material, and then roasting the coated pellets in a roasting apparatus to effect oxidation of sulphide, predominantly to oxide.
Dependencies are inferred from the claim text.