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:
May. 20, 2008
Filed:
May. 10, 2002
Applicant:
Gary Donald Johnson, Claremont, AU;
Inventor:
Gary Donald Johnson, Claremont, AU;
Assignee:
Western Minerals Technology Pty Ltd, Western Australia, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G 3/00 (2006.01); C01G 51/00 (2006.01); C01G 53/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the oxidative leaching of sulphide mineral species, the method characterised by the method steps of: leaching a slurry containing the mineral species in one or more reaction vessels; circulating a stream of leach liquor to a flash cooler; flashing the liquor in the flash cooler at a pressure less than atmospheric pressure so as to dissipate heat; and recirculating the liquor to the or each reaction vessel.