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. 13, 2014
Filed:
Jan. 14, 2010
Xiaowei Huang, Beijing, CN;
Zhiqi Long, Beijing, CN;
Xinlin Peng, Beijing, CN;
Hongwei LI, Beijing, CN;
Guilin Yang, Beijing, CN;
Dali Cui, Beijing, CN;
Chunmei Wang, Beijing, CN;
NA Zhao, Beijing, CN;
Liangshi Wang, Beijing, CN;
Ying Yu, Beijing, CN;
Xiaowei Huang, Beijing, CN;
Zhiqi Long, Beijing, CN;
Xinlin Peng, Beijing, CN;
Hongwei Li, Beijing, CN;
Guilin Yang, Beijing, CN;
Dali Cui, Beijing, CN;
Chunmei Wang, Beijing, CN;
Na Zhao, Beijing, CN;
Liangshi Wang, Beijing, CN;
Ying Yu, Beijing, CN;
Grirem Advanced Materials Co., Ltd., Beijing, CN;
Abstract
The application of aqueous solution of magnesium bicarbonate and/or calcium bicarbonate in the process of extraction separation and purification of metals is disclosed, wherein the aqueous solution of magnesium bicarbonate and/or calcium bicarbonate is used as an acidity balancing agent, in order to adjust the balancing pH value of the extraction separation process which uses an acidic organic extractant, improve the extraction capacity of organic phase, and increase the concentration of metal ions in the loaded organic phase.