Optimization Extraction of Terbium by Supported Liquid Membrane Using D2EHPA and TOPO

被引：0
|
作者：
Sid Ahmed, Elhabiri [1 ]
Mohamed Amine, Didi [1 ]
机构：
[1] Tlemcen Univ, Fac Sci, Dept Chem, Lab Separat & Purificat Technol, Box 119, Tilimsen 13000, Algeria
来源：
IRANIAN JOURNAL OF CHEMISTRY & CHEMICAL ENGINEERING-INTERNATIONAL ENGLISH EDITION | 2019年 / 38卷 / 06期
关键词：
Extraction; Analysis; Supported liquid membrane; Rare earth; D2EHPA; TOPO; SEPARATION; ACID; TRANSPORT; SORPTION; REMOVAL; METALS; COPPER;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The extraction of Terbium (III) from aqueous nitrate solutions with a supported liquid membrane was investigated using a mixture of di-(2-ethylhexyl phosphoric acid (D(2)EHPA) and tri-octyl phosphine oxide (TOPO) with a molar ratio 1/0.4. The Hydrophobic Polyvinylidene Fluoride (PVDF) membrane was used as solid support. The sorption process followed pseudo-second-order kinetics. The quantity of 8.29 mg/g was extracted using a Supported Liquid Membrane (SLM). The influence of the ionic strength, stirring rate, extraction time, and the interactions between them on the extraction yield of Terbium (III) ions was investigated using the factorial designs. The analysis of variance was used to show the relative importance of the extraction process parameters.
引用
收藏
页码：157 / 165
页数：9
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