Performance Evaluation of Fixed Bed Column Packed with Ionic Liquid Impregnated Silica for Separation of Gadolinium and Neodymium from Aqueous Solutions
作者： E. M. Mabrouk , S. S. Metwally , E. A. El-Sherief , Islam M. I. Moustafa , W. R. Mohamed
DOI: 10.1007/S10337-020-04001-Y
关键词:
摘要: Application of fixed bed column for separation gadolinium and neodymium ions from their aqueous solutions using cyphos IL-104 impregnated silica was investigated. The performance the two lanthanide elements evaluated by determining capacity, total quantity sorbed metal ions, removal percentage. These indicative parameters were in altered conditions including height 2.0 3.0 cm, flow rate 1.0 2.0 mL/min, solution feed concentration 50 100 ppm. Breakthrough modeling sorption process across performed employing Thomas Adams–Bohart models. It found that it took less time to reach breakthrough when initial increased, while decreased. Also, capacity increased increasing depth, decreasing rate, ion concentrations. 0.1 M nitric acid be best media Nd3+ Gd3+ ions.
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