Literature DB >> 27098883

Core-shell Fe3O4@MIL-101(Fe) composites as heterogeneous catalysts of persulfate activation for the removal of Acid Orange 7.

Xinxin Yue1, Weilin Guo2, Xianghui Li1, Haihong Zhou1, Ruiqin Wang1.   

Abstract

In this study, a novel core-shell Fe3O4@MIL-101 (MIL stands for Materials of Institute Lavoisier) composite was successfully synthesized by hydrothermal method and was fully characterized by X-ray diffraction, transmission electron microscopy, Fourier-transform infrared spectra, and X-ray photoelectron spectroscopy. The composite was introduced as a catalyst to generate powerful radicals from persulfate for the removal of Acid Orange 7 in an aqueous solution. Effects of the central metal ions of MIL-101, amino group content of MIL-101, and pH were evaluated in batch experiments. It was found that both hydroxyl and sulfate radicals were generated; importantly, sulfate radicals were speculated to serve as the dominant active species in the catalytic oxidation of Acid Orange 7. In addition, a possible mechanism was proposed. This study provides new physical insights for the rational design of advanced metal-organic frameworks (MOF)-based catalysts for improved environmental remediation.

Entities:  

Keywords:  Acid Orange 7; Advanced oxidation processes; Fe3O4; Metal-organic frameworks; Sulfate radicals

Mesh：

Substances：

Year:  2016        PMID： 27098883     DOI： 10.1007/s11356-016-6702-5

Source DB:  PubMed          Journal:  Environ Sci Pollut Res Int        ISSN： 0944-1344            Impact factor:   4.223


  21 in total

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6.  A simple solvothermal process for fabrication of a metal-organic framework with an iron oxide enclosure for the determination of organophosphorus pesticides in biological samples.

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7.  Persulfate oxidation for in situ remediation of TCE. I. Activated by ferrous ion with and without a persulfate-thiosulfate redox couple.

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10.  Heterogeneous activation of Oxone by Co(x)Fe(3-x)O4 nanocatalysts for degradation of rhodamine B.

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  7 in total

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2.  Removal of Hg2+ by carboxyl-terminated hyperbranched poly(amidoamine) dendrimers grafted superparamagnetic nanoparticles as an efficient adsorbent.

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3.  Synthesis of iron-based metal-organic framework MIL-53 as an efficient catalyst to activate persulfate for the degradation of Orange G in aqueous solution.

Authors:  Mengjie Pu; Zeyu Guan; Yongwen Ma; Jinquan Wan; Yan Wang; Mark L Brusseau; Haiyuan Chi
Journal:  Appl Catal A Gen       Date:  2017-09-20       Impact factor: 5.706

4.  Novel route to size-controlled synthesis of MnFe2O4@MOF core-shell nanoparticles.

Authors:  Mohammed Attia; Nicholas McMahon; Hao Li; Rui-Biao Lin; Frank DeLuna; Yanshu Shi; Banglin Chen; Jing Yong Ye
Journal:  J Solid State Chem       Date:  2019-12-16       Impact factor: 3.498

5.  Three-dimensional assembly and disassembly of Fe3O4-decorated porous carbon nanocomposite with enhanced transversal relaxation for magnetic resonance sensing of bisphenol A.

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Journal:  Mikrochim Acta       Date:  2021-02-18       Impact factor: 5.833

6.  Synthesis of Spinel Ferrite MFe2O4 (M = Co, Cu, Mn, and Zn) for Persulfate Activation to Remove Aqueous Organics: Effects of M-Site Metal and Synthetic Method.

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Journal:  Front Chem       Date:  2020-03-24       Impact factor: 5.221

7.  Synthesis of MIL-Modified Fe3O4 Magnetic Nanoparticles for Enhancing Uptake and Efficiency of Temozolomide in Glioblastoma Treatment.

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  7 in total

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