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. 28, 2018
Filed:
Apr. 29, 2014
Applicant:
Outotec (Finland) Oy, Espoo, FI;
Inventors:
Ville Miettinen, Lappeenranta, FI;
Riina Ahtiainen, Pori, FI;
Kari Valkama, Pori, FI;
Erkki Paatero, Helsinki, FI;
Kari Hietala, Espoo, FI;
Mika Haapalainen, Pori, FI;
Assignee:
Outotec (Finland) Oy, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 3/00 (2006.01); C22B 11/00 (2006.01); C22B 11/06 (2006.01); C22B 3/26 (2006.01); C22B 1/00 (2006.01); C22B 1/02 (2006.01); C22B 3/12 (2006.01); C22B 3/18 (2006.01); C22B 3/22 (2006.01); C22B 7/00 (2006.01);
U.S. Cl.
CPC ...
C22B 11/04 (2013.01); C22B 1/005 (2013.01); C22B 1/02 (2013.01); C22B 3/0005 (2013.01); C22B 3/12 (2013.01); C22B 3/18 (2013.01); C22B 3/22 (2013.01); C22B 7/008 (2013.01); C22B 11/042 (2013.01); C22B 11/06 (2013.01); Y02P 10/234 (2015.11); Y02P 10/238 (2015.11);
Abstract
The invention relates to a method for preparing a gold-containing solution by chloride leaching from gold-bearing raw materials. A further object of the invention is to provide a method for recovering gold and optionally silver from the prepared gold-containing solution. The invention relates also to a process arrangement for recovering gold and optionally silver.