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:
Oct. 27, 2015
Filed:
Jul. 23, 2013
Applicant:
Vale S/a, Rio de Janeiro, BR;
Inventors:
Tiago Valentim Berni, Belo Horizonte, BR;
Antonio Clareti Pereira, Belo Horizonte, BR;
Felipe Hilario Guimarães, São José da Lapa, BR;
Assignee:
VALE S.A., Rio de Janeiro, BR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 5/00 (2006.01); C22B 15/00 (2006.01); C22B 23/00 (2006.01); C22B 19/20 (2006.01); C22B 1/02 (2006.01); C22B 1/04 (2006.01); C22B 1/08 (2006.01); C22B 3/00 (2006.01); C22B 1/06 (2006.01);
U.S. Cl.
CPC ...
C22B 5/00 (2013.01); C22B 1/02 (2013.01); C22B 1/06 (2013.01); C22B 1/08 (2013.01); C22B 15/0026 (2013.01); C22B 19/20 (2013.01); C22B 23/005 (2013.01); C22B 23/04 (2013.01);
Abstract
A method of recovering base metals from sulphide ores and concentrates includes mixing the base metals ore with ferric salts, heating the mixture, adding water to form a pulp, and stirring and filtering the pulp.