Application of Ionic Liquids on Rare Earth Green Separation by Ji Chen

By Ji Chen

This booklet comprehensively info the functions of ionic beverages in infrequent earth eco-friendly separation and usage in line with the original interactions of ionic drinks with infrequent earth ions. It contains 9 chapters demonstrating the synthesis and houses of ionic beverages, coordination chemistry of ionic beverages and infrequent earth, ionic beverages as diluents, extractants, adsorption resins for infrequent earth extraction and separation, electrodeposition of infrequent earth metals in ionic beverages, and coaching of infrequent earth fabric because of ionic drinks. it really is either attention-grabbing and invaluable to chemists, metallurgists and graduate scholars engaged on primary examine of ionic beverages in addition to execs within the infrequent earth undefined. It offers enormous insights into eco-friendly chemistry and sustainable methods for infrequent earth separation in an effort to meet the environmental problem of infrequent earth metallurgy world wide, specially in China.

Ji Chen is a Professor of Chemistry on the Changchun Institute of utilized Chemistry, chinese language Academy of Sciences, China.

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N. -L. Do-Thanh Department of Chemistry, The University of Tennessee, Knoxville, TN 37996-1600, USA H. R. Bell Energy and Transportation Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6201, USA X. Sun • Y. Shen Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6201, USA S. gov © Springer-Verlag Berlin Heidelberg 2016 J. 1007/978-3-662-47510-2_3 45 46 N. Mehio et al. 1 Introduction The rare-earth elements (REEs) consist of scandium (Sc), yttrium (Y), and 15 lanthanides exhibiting similar chemical properties.

The CSD contains examples of lanthanide nitrate complexes with this formula [72, 73], but none have this geometry. The anionic Th(IV) complex is coordinated by five bidentate nitrate ions and two water molecules. The coordination geometry is icosahedral. The nitrate ions form a ring around the metal ion and are “tilted” to create two offset pentagons of oxygen atoms approaching the S10 symmetry of a true icosahedron. The remaining two vertices of the icosahedron are occupied by the water molecules, which are almost perfectly 180o to each other.

References 1. Liu Y, Chen J, Li D (2012) Application and perspective of ionic liquids on rare earths green separation. Sep Sci Technol 47:223–232 2 Using Crystal Structures of Ionic Compounds to Explore Complexation. . 39 2. Durga G, Goyal D, Mishra A (2013) Applications of ionic liquids in metal extraction. In: Mishra A, Clark JH (eds) Green materials for sustainable water treatment, vol 23, RSC green chemistry series. Royal Society of Chemistry, Cambridge, pp 155–180 3. Rare earth elements: A review of production, processing, recycling, and associated environmental issues (2012) U.

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