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. 26, 2017
Filed:
Mar. 31, 2016
Applicant:
Dundee Sustainable Technologies Inc., Montreal, CA;
Inventors:
Khalil Nasrallah, Thetford Mines, CA;
Bertrand Dubreuil, Trois-Rivières, CA;
Jean-Marc Lalancette, Sherbrooke, CA;
David Lemieux, Thetford Mines, CA;
Assignee:
Dundee Sustainable Technologies Inc., Montreal, Quebec, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C03C 1/00 (2006.01); B01J 20/10 (2006.01); B09B 3/00 (2006.01); C03C 3/062 (2006.01); C03C 3/07 (2006.01);
U.S. Cl.
CPC ...
B01J 20/103 (2013.01); B09B 3/0008 (2013.01); B09B 3/0083 (2013.01); C03C 1/002 (2013.01); C03C 3/062 (2013.01); C03C 3/07 (2013.01);
Abstract
There is provided a method and composition for sequestration of arsenic, the method comprising melting an arsenic-containing material in the presence of iron oxide and glass, and yielding a resulting glass incorporating arsenic. The resulting glass has an arsenic content comprised in a range between 1 and 25% w/w and an iron content comprised in a range between 8 and 20% w/w.