Comparative uptake studies on trivalent f-cations from acidic feeds using two extraction chromatography resins containing a diglycolamide in molecular diluent and ionic liquid

Highly efficient uptake of tetravalent actinide ions from nitric acid feeds using an extraction chromatography material containing tetra-n-butyl diglycolamide and a room temperature ionic liquid

“…1 a) in an RTIL which showed much better uptake and reusability characteristics towards trivalent f -cations viz. Am(III) and Eu(III) as compared to an analogous sorbent material containing n -dodecane, a molecular diluent, as the solvent was recently reported [18] . However, there are no data reported on the uptake of tetra valent actinide ions from acidic feeds with this resin.…”

“…The XC material was prepared as per the procedure reported in a paper published recently [18] . To accurately weighed quantities of TBDGA (0.361 g), C 4 mim.NTf 2 (0.203 g) and Chromosorb-W (1.01 g), taken in a stoppered conical flask, 20 mL of acetone was added and vortexed for 24 h. As reported in previous publications, Chromosorb W was better than some of the other solid support materials [ 13 , 24 ].…”

“…We have reported that when a room temperature ionic liquid (RTIL) was impregnated into the pores of DGA-based XC materials, the uptake of the metal ions increased manifold [ 16 , 17 ]. Furthermore, XC materials containing ionic liquids have shown a better stability and hence, can be reused for a longer length of operation [18] . Most of the extraction chromatography materials reported in the literature contained TODGA ( N,N,N',N' -tetra-n -octyl diglycolamide) or T2EHDGA ( N,N,N',N' -tetra-2-ethylhexyl diglycolamide) as the DGA ligand [12][13][14][15] .…”

Triflamides and Triflimides: Synthesis and Applications

“…various fields, including medicine, sensors, optics and the aerospace the basis of triflimide, various types of extractants and ionic liquids w have been obtained, which are used to isolate lanthanides and actinide for example, from spent nuclear fuel [16,17].…”

“…The triflimide anion is a counterion for the production of low-melting ionic liquids, used to stabilize nanoparticles, which are used in various fields, including medicine, sensors, optics and the aerospace industry [14,15]. On the basis of triflimide, various types of extractants and ionic liquids with organic cations have been obtained, which are used to isolate lanthanides and actinides from liquid waste; for example, from spent nuclear fuel [16,17].…”