Method and plant for producing iron from roasted pyrites

US10125403B2 · kind B2 · utility

Assignee

• BLÜCHER GMBH · DE

Inventors

• Bertram Böhringer · Erkrath, DE
• Raik Schönfeld · Hannover, DE
• Alexander Dyachenko · Erkrath, DE
• Valeriy Larin · Erkrath, DE

Key dates

• Filing date: Jun 24, 2013
• Grant date: Nov 13, 2018
• Expiry date: Mar 18, 2034

Classification

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

Abstract

The invention relates to a method and a recovery system for obtaining/recovering metallic iron and/or iron compounds, in particular iron chloride, from ores and/or ore tailings, especially from pyrite tailings, preferably from roasted pyrites produced during sulphuric acid manufacture.