Project supported by National Basic Research Program of China(973 program,2012CBA01206);the National Natural Science Foundation of China(21521092,51222404);the Strategic Priority Research Program of CAS(XDA02030100)
The extraction and separation of heavy rare earths(REs) using newly synthesized a-aminophosphonic acid extractant 2-ethylhexyl-3-(2-ethylhexylamino)pentan-3-yl phosphonic acid(HEHAPP, HA) in nheptane were invest...
Project supported by National Basic Research Program of China(973 program,2012CBA01206);the National Natural Science Foundation of China(21521092,51222404);the Strategic Priority Research Program of CAS(XDA02030100)
In the present work, a novel α-aminophosphonate extractant(Cextrant 230) was synthesized for the extraction and recovery of cerium and thorium from sulphate medium. The introduction of amine group into the phosphat...
supported by National 973 Program of China(2012CBA01206);National Natural Science Foundation of China(51222404);the financial support from State Key Laboratory of Rare Earth Resource Utilization,Changchun Institute of Applied Chemistry(RERU2011006)
Synergistic solvent extraction of rare earth elements (REEs) from nitrate medium was investigated with mixtures of 8-hydroxyquinoline (HQ) and acidic organophosphorus extractants, bis(2,4,4-trimethylpentyl) dith...
Project supported by National Basic Research Program of China (2012CBA01206);National Natural Science Foundation of China (51074148,51222404,91026024)
A calixarene derivative, 5,11,17,23-tetra(diethoxyphosphoryl)-25,26,27,28-tetraacetoxycalix[4]arene (L), was studied for the extraction and separation of thorium and rare earths in nitrate medium. Thorium was extr...