The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 14, 2018
Filed:
Jul. 05, 2013
Applicant:
Outotec (Finland) Oy, Espoo, FI;
Inventors:
Andrew Adipuri, Frankfurt, DE;
Edgar Gasafi, Karlsruhe, DE;
Assignee:
Outotec (Finland) Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 7/06 (2006.01); C01G 23/04 (2006.01); C01G 49/06 (2006.01); B01J 19/00 (2006.01); C01G 23/053 (2006.01);
U.S. Cl.
CPC ...
C01F 7/066 (2013.01); B01J 19/00 (2013.01); C01G 23/04 (2013.01); C01G 23/053 (2013.01); C01G 49/06 (2013.01); B01J 2219/0004 (2013.01);
Abstract
A process for purifying red mud including reduction of the red mud to reduced material, and traversing the reduced material with an oxygen-containing gas in the presence of a catalyst suitable for iron oxidation.