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Abstract Technological issues existed in the recovery of rhenium from industrial waste water terms with of low rhenium content and high sulfuric acidity. To solve the problem, coated solvent-impregnated resins… Click to show full abstract
Abstract Technological issues existed in the recovery of rhenium from industrial waste water terms with of low rhenium content and high sulfuric acidity. To solve the problem, coated solvent-impregnated resins containing ionic liquid Aliquat 336 (A336-CSIRs) were prepared. Aliquat 336 uniformly impregnated all pores of whole resin. The adsorption kinetic data fit well with pseudo-second-order mode, indicating that the adsorption was in the form of chemisorption. From adsorption isotherm, the adsorption data fit well with Langmuir model, and the saturation adsorption capacity of A336-CSIRs on Re(VII) was up to 73.76 mg/g. The adsorption process of A336-CSIRs for Re(VII) was exothermic and spontaneous in nature. PVA film could significantly enhance the stability of A336-CSIRs. Furthermore, 99.85% rhenium was recovered from industrial waste water with A336-CSIRs.
Journal Title: Hydrometallurgy
Year Published: 2019
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