Patent · US Expired

Method of removing arsenic from a copper electrolyte

US4503015A · kind A · utility

6Cited by

2References

11Claims

0Family size

Assignee

Vereinigte Metallwerke Ranshofen-Berndorf AG · AT

Inventors

Rolf Marr · Zeltweg, AT
Hans J. Bart · Zeltweg, AT
Reinhard Wachter · Braunau am Inn, AT

Key dates

Filing date	Oct 18, 1983
Grant date	Mar 5, 1985
Priority date	—
Expiry date	Oct 18, 2003

Classification

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

Abstract

A copper electrowinning electrolyte containing arsenic is extracted to remove arsenic therefrom utilizing trioctylphosphinicoxide as an extracting agent in an organic solvent.

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