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:
Jan. 10, 2012
Filed:
Jul. 18, 2008
Applicants:
Jacques Labrie, Chicoutimi, CA;
Hugues Menard, Sherbrooke, CA;
Inventors:
Jacques Labrie, Chicoutimi, CA;
Hugues Menard, Sherbrooke, CA;
Assignee:
Rio Tinto Alcan International Limited, Montreal, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62D 3/115 (2007.01);
U.S. Cl.
CPC ...
Abstract
The method of the invention provides means of destroying highly stable metal cyanide ions found in a solution, and converting the cyanide to harmless by-products. Contrary to conventional methods which merely complex the cyanide into a mechanically or physically removable complex, the present method destroys the cyanide found in the sample. The invention is directed to a method of destroying cyanide comprising providing a highly alkaline solution containing a metal cyanide ions; and subjecting the solution to electro-oxidation.