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:
Jul. 24, 2012
Filed:
Jul. 28, 2009
Nicholas Warwick Bristow, Wilson, AU;
Mark S. Chalmers, Littlehampton, AU;
James Andrew Davidson, Wattyl Park, AU;
Bryn Llywelyn Jones, Oakbank, AU;
Paul Robert Kucera, Valrico, FL (US);
Nick Lynn, Englewood, CO (US);
Peter Douglas Macintosh, Peppermint Grove, AU;
Jessica Mary Page, North Adelaide, AU;
Thomas Charles Pool, Golden, CO (US);
Marcus Worsley Richardson, Goodwood, AU;
Karin Helene Soldenhoff, Earlwood, AU;
Kelvin John Taylor, West Leederville, AU;
Colin Weyrauch, Brandon, FL (US);
Nicholas Warwick Bristow, Wilson, AU;
Mark S. Chalmers, Littlehampton, AU;
James Andrew Davidson, Wattyl Park, AU;
Bryn Llywelyn Jones, Oakbank, AU;
Paul Robert Kucera, Valrico, FL (US);
Nick Lynn, Englewood, CO (US);
Peter Douglas Macintosh, Peppermint Grove, AU;
Jessica Mary Page, North Adelaide, AU;
Thomas Charles Pool, Golden, CO (US);
Marcus Worsley Richardson, Goodwood, AU;
Karin Helene Soldenhoff, Earlwood, AU;
Kelvin John Taylor, West Leederville, AU;
Colin Weyrauch, Brandon, FL (US);
Urtek, LLC, Golden, CO (US);
Abstract
A process for the extraction of uranium compounds from wet-process phosphoric acid includes lowering the iron concentration of the wet-process phosphoric acid and reducing the valency of any remaining ferric iron in the wet-process phosphoric acid to ferrous iron, and then extracting uranium compounds from the wet-process phosphoric acid. The process can include separating a side stream from a feed stream of wet-process phosphoric acid, wherein the side stream has a greater concentration of the uranium compounds than the feed stream by filtration. Extracting uranium compounds from the wet-process phosphoric acid can be by ion exchange process or by solvent extraction.