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. 02, 2018
Filed:
Aug. 07, 2015
University of South Australia, Adelaide, AU;
Shanxi Ruienze Technology Co. Ltd, Taiyuan, CN;
Shanxi University, Taiyuan, CN;
Fangqin Cheng, Taiyuan, CN;
Li Cui, Taiyuan, CN;
Jingfang Zhou, Mawson Lakes, AU;
John Ralston, Mitcham, AU;
Fangbin Xue, Taiyuan, CN;
University of South Australia, Adelaide, AU;
Shanxi Ruienze Technology Co., Ltd., Taiyuan, CN;
Shanxi University, Taiyuan, CN;
Abstract
This disclosure relates to a process for selectively extracting Fe(III) ions from an aqueous feedstock containing Fe(III) ions and non-ferric ions. The process comprises contacting the feedstock with an organic phase comprising a phosphonium salt or ammonium salt ionic liquid under liquid-liquid extraction conditions for a time sufficient to allow transfer of at least some of the Fe(III) ions from the feedstock to the organic phase to provide an Fe(III) ion laden organic phase and an Fe(III) depleted feedstock, and separating the Fe(III) ion laden organic phase from the Fe(III) depleted feedstock.