Amine-functionalized metal organic frameworks MIL-101(Cr) adsorbent for copper and cadmium ions in single and binary solution

In this study, functionalized MIL-101(Cr) with amine group (ED-MIL-101(Cr)) was Synthesized. Using grafted MOF, adsorption experiments of Cu(II) and Cd(II) ions in single and binary solutions were performed. The adsorption results were fitted well by the Langmuir and extended Freundlich models for s...

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Published inSeparation science and technology Vol. 55; no. 18; pp. 3362 - 3374
Main Authors Elaiwi, Fadhil Abid, Sirkecioglu, Ahmet
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 11.12.2020
Taylor & Francis Ltd
Subjects
Adsorption
Amine functionalized MIL-101(Cr)
Amines
Aqueous environments
Cadmium
Chromium
Copper
Heavy metals
Metal ions
Metal-organic frameworks
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Summary:In this study, functionalized MIL-101(Cr) with amine group (ED-MIL-101(Cr)) was Synthesized. Using grafted MOF, adsorption experiments of Cu(II) and Cd(II) ions in single and binary solutions were performed. The adsorption results were fitted well by the Langmuir and extended Freundlich models for single ion and binary ion solutions, respectively. Data revealed that ED-MIL-101(Cr) possess maximum adsorption capacities (mg/g) of 69.9 and 63.15 for Cu(II) and Cd(II), respectively,with affinity order Cu(II) ˃ Cd(II) in binary ion solution. The kinetic data was well described by the pseudo-second-order model. The amino-functionalized MIL-101(Cr) can be a promising candidate for metal ion removal from the aqueous environment.
Bibliography:ObjectType-Article-1
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content type line 14
ISSN:0149-6395
1520-5754
DOI:10.1080/01496395.2019.1706571