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:
Dec. 21, 2021
Filed:
Jul. 26, 2019
Applicant:
Korea Resources Corporation, Wonju-si, KR;
Inventors:
Assignee:
KOREA RESOURCES CORPORATION, Wonju-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 45/00 (2006.01); C01G 45/10 (2006.01); C01G 51/00 (2006.01); C22B 19/20 (2006.01); C22B 47/00 (2006.01); C22B 3/00 (2006.01); C01G 9/00 (2006.01);
U.S. Cl.
CPC ...
C01G 45/003 (2013.01); C01G 9/003 (2013.01); C01G 45/10 (2013.01); C01G 51/003 (2013.01); C22B 19/20 (2013.01); C22B 23/0461 (2013.01); C22B 47/00 (2013.01);
Abstract
Provided is a method for inhibiting extractant degradation in the DSX process through the manganese extraction control, the method comprising: (a) stirring DSX solvent and DSX feed solution, which is a solution containing a valuable metal from which iron has been removed in an agitator, in which soda ash (NaCO) is further added to maintain a constant pH; and (b) scrubbing the manganese from the DSX solvent, extracted in step (a).