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. 16, 2017
Filed:
Nov. 19, 2014
Applicant:
Outotec (Finland) Oy, Espoo, FI;
Inventors:
Assignee:
OUTOTEC (FINLAND) OY, Espoo, FI;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 30/04 (2006.01); C22B 30/02 (2006.01); C22B 13/06 (2006.01); C01B 7/20 (2006.01); C01G 28/00 (2006.01); C22B 7/00 (2006.01); C22B 13/02 (2006.01);
U.S. Cl.
CPC ...
C22B 30/04 (2013.01); C01B 7/20 (2013.01); C01G 28/007 (2013.01); C22B 7/001 (2013.01); C22B 13/025 (2013.01); C22B 13/06 (2013.01); C22B 30/02 (2013.01);
Abstract
The present invention relates to a method of treating lead anode slime having high fluorine and arsenic content, in particular to a method comprising smelting of the lead anode slime and cleaning the produced off gases in a one or more wet gas cleaning stages.