Leaching copper-containing ores

US10563287B2 · kind B2 · utility

Assignee

• TECHNOLOGICAL RESOURCES PTY LIMITED · AU

Inventors

• Ralph Peter Hackl · Vancouver, CA
• Paul Leslie Brown · Kiama, AU
• Stephen Charles Grocott · Calle de la Era, AU
• Daniel Arthur Kittelty · Melbourne, AU

Key dates

• Filing date: Dec 21, 2018
• Grant date: Feb 18, 2020
• Expiry date: Dec 21, 2038

Classification

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

Abstract

A method of leaching copper-containing ores, such as chalcopyrite ores, with a leach liquor in the presence of silver and an activation agent that activates silver whereby the silver enhances copper extraction from copper ores.