Malonamide-Functionalized Ionic Liquid for Recovery of Rare-Earth Metals from End-Of-Life Products (Lamp Phosphors)

被引：12

作者：

Boyd, Robert ^{[1
]}

Carroll, Ciaran ^{[1
]}

Dandil, Sahra ^{[1
,2
]}

Acikgoz, Caglayan ^{[2
]}

Ruhela, Ritesh ^{[1
,3
]}

Nockemann, Peter ^{[1
]}

机构：

[1] Queens Univ Belfast, QUILL Res Ctr, Sch Chem & Chem Engn, Belfast BT9 5AG, Antrim, North Ireland

[2] Bilecik Seyh Edebali Univ, Chem Engn Dept, Engn Fac, TR-11210 Bilecik, Turkey

[3] Bhabha Atom Res Ctr, Mat Proc & Corros Engn Div, Mumbai 400085, Maharashtra, India

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2020年 / 8卷 / 50期

关键词：

malonamide-functionalized ionic liquid; rare-earth metals; transition metals; liquid-liquid extraction; phosphonium ionic liquids; SELECTIVE EXTRACTION; SOLVENT-EXTRACTION; TRANSITION-METALS; SEPARATION; COMPLEXES; MECHANISMS; ELEMENTS;

D O I：

10.1021/acssuschemeng.0c07897

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel functionalized ionic liquid, namely, malonamide-functionalized ionic liquid (MFIL) was synthesized and evaluated for the liquid-liquid extraction of rare-earth metals (REMs), transition, and other base metals from a hydrochloric acid medium. Theoretical calculations coupled with FT-IR studies were used to establish the mode of complexation between metal ions and the extracting moiety of MFIL. Uptake studies with multimetal feed solutions showed very good selectivity for REMs over other transition and base metals. Quantitative back extraction of REMs from loaded MFIL was accomplished using an acidic solution. MFIL showed preferential uptake of REMs over base and transition metals typically found in lamp phosphors.

引用

页码：18706 / 18711

页数：6

共 30 条

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