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:
Oct. 06, 2015
Filed:
Jun. 04, 2012
Richard Boudreault, St-Laurent, CA;
Joël Fournier, Carignan, CA;
Laury Gauthier, Saint-Apollinaire, CA;
Richard Boudreault, St-Laurent, CA;
Joël Fournier, Carignan, CA;
Laury Gauthier, Saint-Apollinaire, CA;
ORBITE ALUMINAE INC., St-Laurent, CA;
Abstract
There are provided methods for separating iron ions from aluminum ions. For example, the methods can comprise providing a basic aqueous composition comprising said iron ions and said aluminum ions and having a pH of about 10.5 to about 13 and a temperature of about 50 ° C. to about 150 ° C.; reacting said basic aqueous composition with hematite so as to promote, catalyze and/or enhance formation of hematite and to obtain a liquid phase comprising said aluminum ions and a solid phase comprising said so-formed hematite generated with said iron ions; and separating said liquid phase from said solid phase.