Patent · US Expired

Operating method for slag cleaning furnace in copper refining

US4021235A · kind A · utility

0Cited by
3References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 28, 1975
Grant dateMay 3, 1977
Priority date
Expiry dateOct 28, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/20
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A process is provided for recovering in a slag cleaning furnace the copper from smelting furnace slags discharged from a smelting furnace for copper refinery, said process being characterized in that zinc removed tailings are charged into said slag smelting furnace in an either continuous or discontinuous manner, whereby the copper recovery may be improved and valuable metals may also be recovered from the said tailings.

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