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Species fine structure of transition metal Cu(II) in aqueous chloride-bearing solutions: Insights from X-ray absorption spectroscopy and ab initio XANES calculations

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成果类型:
期刊论文
作者:
Zhang, Ning*;Wang, Wenlei;Brugger, Joel;Zhang, Gui;Zeng, Dewen*
通讯作者:
Zhang, Ning;Zeng, Dewen
作者机构:
[Wang, Wenlei; Zhang, Gui; Zhang, Ning] Cent South Univ Forestry & Technol, Coll Sci, Changsha 410004, Hunan, Peoples R China.
[Brugger, Joel] Monash Univ, Sch Earth Atmosphere & Environm, Clayton, Vic 3800, Australia.
[Zeng, Dewen] Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China.
通讯机构:
[Zhang, Ning; Zeng, Dewen] C
Cent South Univ Forestry & Technol, Coll Sci, Changsha 410004, Hunan, Peoples R China.
Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China.
语种:
英文
关键词:
Calculations;Copper metallography;Lithium Chloride;Lithium metallography;Nickel compounds;Removal;Solution mining;Transition metals;X ray absorption spectroscopy;Corresponding solutions;CuCl2;EXAFS;Experimental analysis;Pyramidal configuration;Speciation;Spectroscopic measurements;XANES;Copper compounds
期刊:
Journal of Molecular Liquids
ISSN:
0167-7322
年:
2017
卷:
230
页码:
200-208
基金类别:
The authors gratefully acknowledge the financial support of the National Basic Research Program of China (No. 2014CB643401), the National Natural Science Foundation of China (Nos: 21607176, 51134007 and 20773036), the Science and Technology Planning Project of Hunan Province, China (No. 2016SK2088), and the Research Foundation of Education Bureau of Hunan Province, China (No. 16B274); Partial ab initio XANES computation was performed on the High Performance Computing Center of Central South University; N.Z. particularly appreciates the China Scholarship Council (No. 201306370118), who fund him to visit the J. Brugger lab. This research used resources of the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357. Barbara Etschmann, Jay R. Black, Pascal V. Grundler, and Dale Brewe are thanked for their help in collecting the data.
机构署名:
本校为第一且通讯机构
院系归属:
理学院
摘要:
Knowledge of the structure and speciation of aqueous Cu(II)-chloride complexes is important for understanding Cu(II) behavior in the deep removal technology of Cu impurity from nickel electrolysis anolytes containing chloride. In this paper, X-ray absorption spectroscopic measurements are reported for dissolved copper in lithium chloride (up to ~16molkg−1) solutions at room temperature. The speciation and structure of corresponding solutions has been probed by performing a combined ab initio XANES theoretical and experimental analysis. The EXA...

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