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. 29, 2018
Filed:
Jul. 21, 2016
Applicant:
Dundee Sustainable Technologies Inc., Montreal, CA;
Inventors:
Jean-Marc Lalancette, Sherbrooke, CA;
David Lemieux, Thetford Mines, CA;
Khalil Nasrallah, Thetford Mines, CA;
Gabriel Garcia Curiel, Hamstead, CA;
Romain Barbaroux, St-Joseph-de-Coleraine, CA;
Assignee:
DUNDEE SUSTAINABLE TECHNOLOGIES INC., Montreal, Quebec, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B09B 3/00 (2006.01); C22B 1/11 (2006.01); C03C 3/087 (2006.01);
U.S. Cl.
CPC ...
B09B 3/005 (2013.01); B09B 3/0025 (2013.01); B09B 3/0041 (2013.01); C03C 3/087 (2013.01); C22B 1/11 (2013.01);
Abstract
A method for vitrification of arsenic and antimony, comprising substituting oxygen to sulfur on thiosalts, incorporating resulting sodium arsenate and sodium antimonate into a sodium silicate glass-forming mixture and vitrifying the sodium silicate glass-forming mixture into a resulting glass sequestering the arsenic and antimony.