期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 6, 页码 1667-1670出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201611072
关键词
ionic liquids; metal oxides; polyoxometalates; self-assembly; water purification
资金
- Fonds der Chemischen Industrie FCI
- Fundacion General CSIC
- Fondo Social Europeo-Gobierno de Aragon
- EU COST Action [CM1203]
- Ulm University
The simultaneous removal of organic, inorganic, and microbial contaminants from water by one material offers significant advantages when fast, facile, and robust water purification is required. Herein, we present a supported ionic liquid phase (SILP) composite where each component targets a specific type of water contaminant: a polyoxometalate-ionic liquid (POM-IL) is immobilized on porous silica, giving the heterogeneous SILP. The water-insoluble POM-IL is composed of antimicrobial alkylammonium cations and lacunary polyoxometalate anions with heavy-metal binding sites. The lipophilicity of the POM-IL enables adsorption of organic contaminants. The silica support can bind radionuclides. Using the POM-SILP in filtration columns enables one-step multi-contaminant water purification. The results show how multi-functional POM-SILPs can be designed for advanced purification applications.
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