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:
Feb. 24, 2015
Filed:
Mar. 25, 2010
Applicants:
Hannu Laitala, Kauniainen, FI;
Erkki Paatero, Kauniainen, FI;
Bror Nyman, Vanha-Ulvila, FI;
Eero Ekman, Pori, FI;
Inventors:
Hannu Laitala, Kauniainen, FI;
Erkki Paatero, Kauniainen, FI;
Bror Nyman, Vanha-Ulvila, FI;
Eero Ekman, Pori, FI;
Assignee:
Outotec Oyj, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 11/04 (2006.01); B01D 17/02 (2006.01); B01D 21/24 (2006.01); C22B 3/02 (2006.01); C22B 15/00 (2006.01); C22B 34/34 (2006.01); C22B 3/30 (2006.01);
U.S. Cl.
CPC ...
C22B 15/0089 (2013.01); B01D 11/0457 (2013.01); C22B 3/0017 (2013.01); C22B 3/02 (2013.01); C22B 34/34 (2013.01);
Abstract
The invention relates to an apparatus and method for removing molybdenum and other possible impurities from an organic copper-containing extraction solution in connection with the liquid-liquid extraction related to copper recovery. The removal of impurities occurs in one or several removal units built into the organic extraction solution storage tank.