Patent · US Expired

Process for separating germanium from an aqueous solution

US4432951A · kind A · utility

9Cited by

1References

11Claims

0Family size

Assignee

Metallurgie Hoboken-Overpelt · BE

Inventors

Achille De Schepper · Kasterlee, BE
Marc Coussement · Hove, BE
Antoine Van Peteghem · Olen, BE

Key dates

Filing date	Sep 22, 1982
Grant date	Feb 21, 1984
Priority date	—
Expiry date	Sep 22, 2002

Classification

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

Abstract

Germanium is separated from an aqueous solution by means of a substituted 8-hydroxyquinoline extractant. Re-extraction of germanium from the extractant is carried out above 40.degree. C. and with an organic phase: aqueous phase volume ratio less than 1, whereby obtaining a high re-extraction yield.

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