salicylic acid-formaldehyde-m-cresol (sfm) terpolymer had been synthesized in dmf media by conventional method. the resulting resin had been characterized by ftir spectra, elemental and thermogravimetric analyses. the morphology of sfm resin had been studied by sem and optical photograph. various parameters like rate of equilibration, effect of ph on ion exchange capacity and effect of concentr...

Zinc isotope separations were studied by displacement chromatography using the chelating properties of malate, citrate and lactate exchange resin and EDTA as ligands. After each chromatographic operation, the heavier zinc isotopes were found to preferentially fractionated into the carboxylate complex solution phase. The separation coefficients (epsilon) for zinc isotope separation had the large...

Chelating resin as a new copolymer for metal ions removal was prepared using 3-(4-hydroxyphenyl) cyclopropane-1,1,2,2-tetracarboxylic acid and 1,2-diaminoethane on the poly(styrene-alt-maleic anhydride). Parameters of sorption behavior were investigated under various conditions. Kinetics studies revealed that adsorption process confirmed pseudo-second-order kinetics data well fitted to Langmuir...

Abstract Although perovskite solar cells have achieved efficiency over 25%, the toxic of Pb content remains severe problem given its commercial prospect. Especially when devices suffer harsh weather, can easily leak out to soil and water. Chelating resins (CRs) exhibit excellent superiority in treating waste water industrial field, since functional groups CRs adsorb divalent metal ion soften pu...

Phosphogypsum waste is a potential, secondary rare earth element (REE) source that available in very large volumes. Extraction and purification of REE from this complex was studied using resin-in-leach (RIL) followed by batch elution. Multiple consecutive RIL cycles with Purolite S940 resin dilute H2SO4 solution were performed for an industrial phosphogypsum waste. loading (max. 0.92 equiv./kg)...