Copper ferrite nanoparticles supported on MIL-101/reduced graphene oxide as an efficient and recyclable sonocatalyst

Ladan Nirumand; Saeed Farhadi; Abedien Zabardasti; Alireza Khataee

doi:10.1016/j.jtice.2018.09.027

Copper ferrite nanoparticles supported on MIL-101/reduced graphene oxide as an efficient and recyclable sonocatalyst

Ladan Nirumand, Saeed Farhadi^*, Abedien Zabardasti, Alireza Khataee

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

The sonocatalytic activity of a novel magnetic CuFe₂O₄/MIL-101/Graphene (CMG) ternary nanocomposite was studied in the removal of some organic dyes (methylene blue, rhodamine B, and methyl orange) from water by using H₂O₂ as a green oxidant. The CMG nanocomposite was prepared at 200 °C, through a two-step hydrothermal route. The physicochemical properties of the synthesized nanocomposite were evaluated using scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, magnetic measurements, atomic force microscopy, Brunauer–Emmett–Teller analysis and Raman microscopy. The excellent sonocatalytic activity of the CMG nanocomposite could be understood by the mechanisms of sonoluminescence and hot spots. The effects of operating parameters such as dye initial concentration, pH and catalyst dosage have also been investigated. Trapping experiments indicated that the sonodegradation of dyes was mainly achieved by hydroxyl radicals (^•OH) attack in the CMG suspension. Benefiting from magnetic property of the CuFe₂O₄ nanoparticles, the CMG nanocomposite could be easily separated from the reaction mixture by a magnet and reused without any change in structure.

Original language	English
Pages (from-to)	674-685
Number of pages	12
Journal	Journal of the Taiwan Institute of Chemical Engineers
Volume	93
DOIs	https://doi.org/10.1016/j.jtice.2018.09.027
Publication status	Published - Dec 2018
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2018 Taiwan Institute of Chemical Engineers

Keywords

Copper ferrite
Decolorization
Graphene
Hydrothermal route
MIL-101
Sonocatalysis

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10.1016/j.jtice.2018.09.027

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title = "Copper ferrite nanoparticles supported on MIL-101/reduced graphene oxide as an efficient and recyclable sonocatalyst",

abstract = "The sonocatalytic activity of a novel magnetic CuFe2O4/MIL-101/Graphene (CMG) ternary nanocomposite was studied in the removal of some organic dyes (methylene blue, rhodamine B, and methyl orange) from water by using H2O2 as a green oxidant. The CMG nanocomposite was prepared at 200 °C, through a two-step hydrothermal route. The physicochemical properties of the synthesized nanocomposite were evaluated using scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, magnetic measurements, atomic force microscopy, Brunauer–Emmett–Teller analysis and Raman microscopy. The excellent sonocatalytic activity of the CMG nanocomposite could be understood by the mechanisms of sonoluminescence and hot spots. The effects of operating parameters such as dye initial concentration, pH and catalyst dosage have also been investigated. Trapping experiments indicated that the sonodegradation of dyes was mainly achieved by hydroxyl radicals (•OH) attack in the CMG suspension. Benefiting from magnetic property of the CuFe2O4 nanoparticles, the CMG nanocomposite could be easily separated from the reaction mixture by a magnet and reused without any change in structure.",

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author = "Ladan Nirumand and Saeed Farhadi and Abedien Zabardasti and Alireza Khataee",

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doi = "10.1016/j.jtice.2018.09.027",

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AU - Nirumand, Ladan

AU - Farhadi, Saeed

AU - Zabardasti, Abedien

AU - Khataee, Alireza

PY - 2018/12

Y1 - 2018/12

N2 - The sonocatalytic activity of a novel magnetic CuFe2O4/MIL-101/Graphene (CMG) ternary nanocomposite was studied in the removal of some organic dyes (methylene blue, rhodamine B, and methyl orange) from water by using H2O2 as a green oxidant. The CMG nanocomposite was prepared at 200 °C, through a two-step hydrothermal route. The physicochemical properties of the synthesized nanocomposite were evaluated using scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, magnetic measurements, atomic force microscopy, Brunauer–Emmett–Teller analysis and Raman microscopy. The excellent sonocatalytic activity of the CMG nanocomposite could be understood by the mechanisms of sonoluminescence and hot spots. The effects of operating parameters such as dye initial concentration, pH and catalyst dosage have also been investigated. Trapping experiments indicated that the sonodegradation of dyes was mainly achieved by hydroxyl radicals (•OH) attack in the CMG suspension. Benefiting from magnetic property of the CuFe2O4 nanoparticles, the CMG nanocomposite could be easily separated from the reaction mixture by a magnet and reused without any change in structure.

AB - The sonocatalytic activity of a novel magnetic CuFe2O4/MIL-101/Graphene (CMG) ternary nanocomposite was studied in the removal of some organic dyes (methylene blue, rhodamine B, and methyl orange) from water by using H2O2 as a green oxidant. The CMG nanocomposite was prepared at 200 °C, through a two-step hydrothermal route. The physicochemical properties of the synthesized nanocomposite were evaluated using scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, magnetic measurements, atomic force microscopy, Brunauer–Emmett–Teller analysis and Raman microscopy. The excellent sonocatalytic activity of the CMG nanocomposite could be understood by the mechanisms of sonoluminescence and hot spots. The effects of operating parameters such as dye initial concentration, pH and catalyst dosage have also been investigated. Trapping experiments indicated that the sonodegradation of dyes was mainly achieved by hydroxyl radicals (•OH) attack in the CMG suspension. Benefiting from magnetic property of the CuFe2O4 nanoparticles, the CMG nanocomposite could be easily separated from the reaction mixture by a magnet and reused without any change in structure.

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KW - Graphene

KW - Hydrothermal route

KW - MIL-101

KW - Sonocatalysis

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ER -

Copper ferrite nanoparticles supported on MIL-101/reduced graphene oxide as an efficient and recyclable sonocatalyst

Abstract

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Keywords

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