Pertraction of Nd(III) and U(VI) Through Flat Sheet Supported Liquid Membrane Containing N, N’-Dimethyl-N, N’-Dioctyl-3-Oxadiglcolamide as Carrier

Hu, Yifu; Lu, Chuan; Chen, Qi; Liu, Yaoyang; Zhou, Yu; Jiao, Caishan; Zhang, Meng; Hou, Hongguo; Gao, Yang; Tian, Guoxin

doi:10.1080/07366299.2021.1914910

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“…At the same time, the permeability is related to the driving force of feed to organic strips and the thickness of the membrane. Several reports have used SLM to extract and separate REEs [30,31,[33][34][35][36][37]. Ryan C. Smith et al studied the REEs recovery from coal fly ash leachate using SLM [30].…”

Section: Introductionmentioning

confidence: 99%

Efficient Separation of Nd(III) and La(III) Via Supported Liquid Membrane Using EHEHPA (P507) as a Carrier

Davis

King

et al. 2022

J. Sustain. Metall.

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This work tested an effective and efficient Nd/La extraction and separation via flat-sheet supported liquid membrane. A microporous polypropylene film was used as the solid support for the liquid membrane and P507 as the extractant. The effect of Nd(III) and La(III) concentration in the feed, the concentration of P507, and acid solution concentration in the stripping phase on Nd and La extraction and separation were studied. The results suggest the extraction of La and Nd increases with the initial pH of the feed solution and P507 concentration. Maximum separation factor of 44.25 was obtained at the low P507 concentration of 5% (v/v). Graphical Abstract

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