Process for the utilization of vanadium from chromium ore as vanadium (V) oxide

US7157063B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Rainer Weber · Leverkusen, DE
• Hans-Dieter Block · Cologne, DE
• Michael Batz · Leichlingen, DE
• Jost Halstenberg
• Michael Lumm · Bottrop, DE
• Roland-Luiz Roth · Olavarría, AR
• Dawie Van Der Merre · Newcastle, ZA

Key dates

• Filing date: Apr 1, 2003
• Grant date: Jan 2, 2007
• Expiry date: Dec 14, 2024

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P10/20
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Process wherein the vanadium present in the chromium ore chromite is recovered as vanadium pentoxide during the course of the fusion of the chromium ore with alkali and its work-up to produce sodium chromate solution and sodium dichromate.