Patent · US Active

Processing nickel bearing sulphides

US9028782B2 · kind B2 · utility

5Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 9, 2009
Grant dateMay 12, 2015
Priority date
Expiry dateMay 18, 2032

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03D2203/02
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention provides a method of separating nickel bearing sulphides from mined ores or concentrates of mined ores that contain talc particles is disclosed. The method comprises adjusting the Eh of a slurry of mined ores or concentrates of mined ores and making particles of nickel bearing sulphides less hydrophobic than talc particles and floating the nickel bearing sulphide particles from the slurry.

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