Patent · US Expired

Copper smelting combined with slag cleaning

US4802916A · kind A · utility

7Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1986
Grant dateFeb 7, 1989
Priority date
Expiry dateFeb 7, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22B15/0032
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A process for autogenously smelting sulfidic copper material in the presence of a calcareous flux in which slag cleaning to provide metallic copper is employed. Such metallic copper provided by slag cleaning is usefully employed as a coolant in the autogenous smelting operation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.