Project supported by the National Key Basic Research Program of China(2012CBA01203);the Specialized Research Fund for Doctoral Programme of Higher Education of MOE of China(20130002110018)in the State Key Laboratory of Chemical Engineering of Tsinghua University
A process to recover rare earth(RE) metals from spent fluid catalytic cracking(FCC) catalysts by solvent extraction was studied, using saponified 2-ethylhexyl phosphoric acid-2-ethylhexyl ester(EHEHPA or P507). ...