Patent · US Expired

Method and device for precipitating copper cement from a copper solution mixed with iron

US4119303A · kind A · utility

7Cited by

9References

2Claims

0Family size

Assignee

Klockner-Humboldt-Deutz AG · DE

Inventors

Hans Kellerwessel · Aachen, DE
Ernst Kausel · Lima, PE

Key dates

Filing date	Dec 1, 1975
Grant date	Oct 10, 1978
Priority date	—
Expiry date	Dec 1, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC22B15/0091
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Improved method and apparatus for the precipitation of cement copper from a copper solution mixed with pieces of iron. The cement copper depositing on the iron pieces is loosened therefrom by means of constant movement of such pieces and then is separated and collected from the decopperized solution.

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