Synthesis and characterization of magnetic zinc-copper ferrites: Antibacterial activity, photodegradation study and heavy metals removal evaluation

Camacho-González, Mónica Araceli; Quezada-Cruz, Maribel; Cerón-Montes, Genaro Iván; Ramírez-Ayala, M.F.; Hernández-Cruz, Leticia; Garrido-Hernández, Aristeo

doi:10.1016/j.matchemphys.2019.121808

Cited by 41 publications

(13 citation statements)

References 34 publications

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“…Thus, to achieve complete degradation of dyes from wastewater, a more effective treatment method is needed. The photocatalytic process uses semiconductor materials such as TiO 2 , WO 3 , Bi 2 O 3 , ZnO, Fe 2 O 3 , CdS, CdO, and ZnS as heterogeneous photocatalysts is a promising solution to solve this problem 5,6 .…”

Section: Introductionmentioning

confidence: 99%

Magnetic Particles Nanorod of ZnO/CuFe2O4 Prepared by Green Synthesized Approach: Structural, Optical and Magnetic Properties, and Photocatalytic Activity

et al. 2022

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In this study, magnetically separable ZnO/CuFe 2 O 4 nanorod particles were synthesized by the green synthesis approach, using rambutan peel extract (Nephelium lappaceum L.) as a capping agent. The samples were evaluated as photocatalyst for the degradation of Rhodamine B dye driven by solar light irradiation. The XRD patterns represented the specific peaks of ZnO and CuFe 2 O 4 in the ZnO/ CuFe 2 O 4 composite. SEM and TEM images showed the rod-like shape of the ZnO/CuFe 2 O 4 composite synthesized using 3 mL (ZCuE3N) of rambutan peel extract. ZCuE3N sample has an increase in photocatalytic activity up to 98.8% in the degradation of Rhodamine B under solar light irradiation for 2 h. Magnetic measurement by VSM revealed that ZnO/CuFe 2 O 4 composite was superparamagnetic. ZnO/CuFe 2 O 4 composites remained stable in an air atmosphere and exhibited promise as a reusable photocatalyst as it can be easily separated from the solution by an external magnetic field.

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Section: Introductionmentioning

confidence: 99%

Magnetic Particles Nanorod of ZnO/CuFe2O4 Prepared by Green Synthesized Approach: Structural, Optical and Magnetic Properties, and Photocatalytic Activity

et al. 2022

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“…Other new ferrites were the doped ferrites [15][16][17][18][19][20]; they are multicomponent materials with enhanced properties of ferrites. It follows that these magnetic particles can be used for many applications such as antibacterial activity [21], photodegradation [22], heavy metal removal [23] and adsorption of various dyes [24].…”

Section: Introductionmentioning

confidence: 99%

Comparative study between adsorbents based on magnetic nanoferrite. Application to the removal of methyl orange from wastewater

Saad

Amor

Slimane

2021

Preprint

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Magnetic ferrite (Mg-doped bismuth ferrite) and its clay-based composite (Mg-doped bismuth ferrite-bentonite) were prepared by self-combustion method utilizing glycine as fuel and served for the removal of methyl orange (MO) from aqueous solutions. The ferrite-based adsorbents were characterized by the measurement of specific surface area (BET), scanning electron microscopy (SEM), Fourier Transform Infrared Spectroscopy (FTIR), X-ray diffraction (XRD). The different experimental parameters that affect the performance of this reaction such as: temperature, contact time, initial dye concentration and mass of adsorbent were investigated. The point of zero charge pH (pHPZC) was determined for the two adsorbents. Langmuir and Freundlich adsorption models were employed to provide a description of the equilibrium isotherms. Adsorption tests showed that the equilibrium time is a function of the initial concentration of dye. The adsorption kinetic study indicated that the equilibrium adsorption is established after 300 minutes for Mg-doped bismuth ferrite, while it is established after 180 minutes for Mg-doped bismuth ferrite-bentonite composite. Furthermore, this suggests that the adsorption of MO on both adsorbents can be perfectly described by pseudo-second order kinetics. The maximum adsorption capacity determined by the mathematical model of Langmuir is equal to 181.8 mg.g-1 for Mg-doped bismuth ferrite and to 188.7 mg.g-1 for its composite, at 298 K. Adsorption isotherms shows that the Freundlich model perfectly represents adsorption of methyl orange to the prepared Mg-doped bismuth ferrite. The ferrite/bentonite composite has 2-50 nm-sized pores and is indeed a mesoporous material. The small pores observed on the surface of the adsorbents are in line with type IV isotherm, with possible capillary condensation of the adsorbate. Moreover, Langmuir model seems to be the most suitable model for the absorption of methyl orange on the Mg-doped bismuth ferrite-bentonite composite. The thermodynamic parameters related to the sorbent/adsorbate system indicate that adsorption is spontaneous and exothermic. The determination of isosteric heat of adsorption suggested that it is indeed a physisorption characterized by weak intermolecular forces between MO and the surface.

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“…Among them, adsorption is the most commonly used method to deal with wastewater containing heavy metal ions. [3][4][5][6][7][8][9][10][11] Magnetic materials, such as Fe 3 O 4 and γ-Fe 2 O 3 , are considered as potential adsorbents for adsorption of heavy metal ions due to large specific surface area and easy to concentrate and separate under the action of magnetic field. The surface of magnetic materials should be usually modified in practical applications in order to increase the adsorption capacity of magnetic materials for heavy metals.…”

Section: Introductionmentioning

confidence: 99%

Efficient Adsorption of Heavy Metal Ions by A Novel AO‐PAN‐g‐Chitosan/Fe₃O₄ Composite

Zhou

et al. 2020

ChemistrySelect

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In this study, a novel amidoxime‐based magnetic adsorbent (AO‐PAN‐g‐Chitosan/Fe3O4) was prepared by grafting acrylonitrile onto the surface of chitosan (CS) and magnetic Fe3O4 composite, followed by amidoximation. The magnetic adsorbents were characterized by infrared spectroscopy (FT‐IR) and X‐ray diffraction (XRD). The adsorption properties of the magnetic adsorbents for heavy metal ions in aqueous solutions were investigated under different conditions, including pH, contact time, and initial concentration of heavy metal ions. Under optimum conditions, the maximum Cu(II) and Ni(II) ion adsorption efficiencies were determined to be 38.39 mg/g and 32.68 mg/g by AO‐PAN‐g‐Chitosan/Fe3O4, respectively. Significantly, the Fe3O4/AO‐PAN‐g‐CS can be reproduced in a simple way and reused after five adsorption‐desorption cycles without any significant loss in the adsorption capacity.

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Synthesis and characterization of magnetic zinc-copper ferrites: Antibacterial activity, photodegradation study and heavy metals removal evaluation

Cited by 41 publications

References 34 publications

Magnetic Particles Nanorod of ZnO/CuFe2O4 Prepared by Green Synthesized Approach: Structural, Optical and Magnetic Properties, and Photocatalytic Activity

Magnetic Particles Nanorod of ZnO/CuFe2O4 Prepared by Green Synthesized Approach: Structural, Optical and Magnetic Properties, and Photocatalytic Activity

Comparative study between adsorbents based on magnetic nanoferrite. Application to the removal of methyl orange from wastewater

Efficient Adsorption of Heavy Metal Ions by A Novel AO‐PAN‐g‐Chitosan/Fe₃O₄ Composite

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Synthesis and characterization of magnetic zinc-copper ferrites: Antibacterial activity, photodegradation study and heavy metals removal evaluation

Cited by 41 publications

References 34 publications

Magnetic Particles Nanorod of ZnO/CuFe2O4 Prepared by Green Synthesized Approach: Structural, Optical and Magnetic Properties, and Photocatalytic Activity

Magnetic Particles Nanorod of ZnO/CuFe2O4 Prepared by Green Synthesized Approach: Structural, Optical and Magnetic Properties, and Photocatalytic Activity

Comparative study between adsorbents based on magnetic nanoferrite. Application to the removal of methyl orange from wastewater

Efficient Adsorption of Heavy Metal Ions by A Novel AO‐PAN‐g‐Chitosan/Fe3O4 Composite

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Efficient Adsorption of Heavy Metal Ions by A Novel AO‐PAN‐g‐Chitosan/Fe₃O₄ Composite