Hollow fiber supported liquid membrane studies using a process compatible solvent containing calix[4]arene-mono-crown-6 for the recovery of radio-cesium from nuclear waste

Pertraction of Np(IV) and Pu(IV) across a flat sheet supported liquid membrane containing two N-pivoted tripodal diglycolamides

“…The isodecanol content in the diluent mixture was based on our previous study on optimization of diluent composition [8] and was used successfully in many subsequent studies. It is also important to note that higher isodecanol content results in significant amount of HNO 3 extraction thereby affecting the transport efficiency [31]. In view of these, 5% isodecanol was used as the phase modifier throughout this study.…”

State-of-the-Art Organic- and Inorganic-Based Hollow Fiber Membranes in Liquid and Gas Applications: Looking Back and Beyond

“…Chaudhury et al demonstrated electrodriven transport of radio-cesium through acidified chlorinated cobalt dicarbollide-loaded hollow fiber membrane for recovery of radio-cesium from nuclear waste [ 627 ]. Likewise, Jagasia et al incorporated calix-crown-6 ligands (bis-octyloxy-calix [4]arene-mono-crown-6) into polypropylene hollow fiber, where the calix-crown-6 ligands carrier effectively enhanced the permeation of cesium through the membrane [ 628 ]. In another work, Song et al synthesized poly(ethylene vinyl) alcohol (EVAL) hollow fiber membrane with extractant from a mixture of 1-phenylazo-2-naphthol and methyl trioctyl ammonium chloride for lithium isotopes separation [ 629 ].…”

“…Reprinted/adapted with permission from Refs. [ 627 , 628 , 629 ]. Copyright 2014, 2016, and 2020, Elsevier.…”

Carrier mediated transport of actinides using hexa–n-hexylnitrilotriacetamide (HHNTA)

“…Poor membrane stability was reported in the presence of polar diluents such as nitrobenzene [39], chloroform [40] and PTFS [41], however, 1-octanol [42] and 2-nitrophenyloctyl ether [43] (also polar diluents) displayed a reasonably good membrane stability. A mixture of isodecanol and n-dodecane as the diluent gave ample stability to the SLM used in flat sheet mode [44].…”