Construction of K and Tb Co-doped MnO2 nanoparticles for enhanced oxidation and detoxication of organic dye waste

Wang, Haiqing; Liang, Zhenda; Liu, Chao; Zhu, Lishan; Xu, Yongtao; Zhou, Li; Yan, Bing

doi:10.1016/j.chemosphere.2022.134104

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Chemosphere

2022

DOI: 10.1016/j.chemosphere.2022.134104

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Construction of K and Tb Co-doped MnO2 nanoparticles for enhanced oxidation and detoxication of organic dye waste

Haiqing Wang

Zhenda Liang

Chao Liu

et al.

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2024

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Cited by 6 publications

References 34 publications

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Adsorption mechanism and electrochemical properties of disperse blue 2BLN onto magnetic Cu_0.₂Zn₀_.₃Co₀_.₅Fe₂O₄ nanoparticles prepared via the rapid combustion process

Zhou,

Lv,

Wang

et al. 2024

Env Prog and Sustain Energy

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Magnetic Cu0.2Zn0.3Co0.5Fe2O4 nanoparticles were prepared by the rapid combustion method and characterized by scanning electron microscope (SEM), energy dispersive spectroscopy (EDS), x‐ray diffraction (XRD), and vibrating sample magnetometer (VSM). The average particle size and the saturation magnetization of the nanoparticles prepared at 400°C with 25 mL absolute alcohol were about 60.9 nm and 50 emu/g. The results of the experiment displayed that the adsorption process agreed with the pseudo‐second‐order kinetics model (R2 > 0.98) and Langmuir isotherm model (R2 = 0.9982), indicating that the adsorption of DB‐2BLN onto magnetic Cu0.2Zn0.3Co0.5Fe2O4 nanoparticles was monolayer chemisorption. ΔH (ΔH = −28.0135 kJ/mol) of the thermodynamic experiment was less than 0, indicating that the adsorption was an exothermic process. The effects of pH, initial concentration of dye, ionic strength, temperature, and adsorbent dosage on the adsorption process of DB‐2BLN onto magnetic Cu0.2Zn0.3Co0.5Fe2O4 nanoparticles and the regeneration performance of the nanoparticles were investigated. When the pH was determined to be 2 and the adsorbent dosage was 5 mg, the adsorption capacity reached the maximum. After 7 cycles, the removal rate of DB‐2BLN still reached 92.6% of that for the first adsorption, showing excellent regeneration performance. Finally, the electrochemical properties of the magnetic Cu0.2Zn0.3Co0.5Fe2O4 nanoparticles were investigated by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS).

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Adsorption mechanism and electrochemical properties of disperse blue 2BLN onto magnetic Cu_0.₂Zn₀_.₃Co₀_.₅Fe₂O₄ nanoparticles prepared via the rapid combustion process

Zhou,

Lv,

Wang

et al. 2024

Env Prog and Sustain Energy

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Leveraging oxygen-vacancy-rich Yb-MnO2/N-carbon quantum dots heterostructure for solar light-driven tetracycline detoxification and antibiotic-resistant bacteria inactivation

Chen,

Yang,

Liang

et al. 2023

Chemical Engineering Journal

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Mussel-like carbon fiber/MnO2 nanosheet heterostructures for mechanically strong carbon fiber/polyamide composites with excellent electromagnetic interference shielding

Sun,

Cui,

Qiao

et al. 2024

Composites Part A: Applied Science and Manufacturing

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Construction of K and Tb Co-doped MnO2 nanoparticles for enhanced oxidation and detoxication of organic dye waste

Cited by 6 publications

References 34 publications

Adsorption mechanism and electrochemical properties of disperse blue 2BLN onto magnetic Cu_0.₂Zn₀_.₃Co₀_.₅Fe₂O₄ nanoparticles prepared via the rapid combustion process

Adsorption mechanism and electrochemical properties of disperse blue 2BLN onto magnetic Cu_0.₂Zn₀_.₃Co₀_.₅Fe₂O₄ nanoparticles prepared via the rapid combustion process

Leveraging oxygen-vacancy-rich Yb-MnO2/N-carbon quantum dots heterostructure for solar light-driven tetracycline detoxification and antibiotic-resistant bacteria inactivation

Mussel-like carbon fiber/MnO2 nanosheet heterostructures for mechanically strong carbon fiber/polyamide composites with excellent electromagnetic interference shielding

Contact Info

Product

Resources

About

Construction of K and Tb Co-doped MnO2 nanoparticles for enhanced oxidation and detoxication of organic dye waste

Cited by 6 publications

References 34 publications

Adsorption mechanism and electrochemical properties of disperse blue 2BLN onto magnetic Cu0.2Zn0.3Co0.5Fe2O4 nanoparticles prepared via the rapid combustion process

Adsorption mechanism and electrochemical properties of disperse blue 2BLN onto magnetic Cu0.2Zn0.3Co0.5Fe2O4 nanoparticles prepared via the rapid combustion process

Leveraging oxygen-vacancy-rich Yb-MnO2/N-carbon quantum dots heterostructure for solar light-driven tetracycline detoxification and antibiotic-resistant bacteria inactivation

Mussel-like carbon fiber/MnO2 nanosheet heterostructures for mechanically strong carbon fiber/polyamide composites with excellent electromagnetic interference shielding

Contact Info

Product

Resources

About

Adsorption mechanism and electrochemical properties of disperse blue 2BLN onto magnetic Cu_0.₂Zn₀_.₃Co₀_.₅Fe₂O₄ nanoparticles prepared via the rapid combustion process

Adsorption mechanism and electrochemical properties of disperse blue 2BLN onto magnetic Cu_0.₂Zn₀_.₃Co₀_.₅Fe₂O₄ nanoparticles prepared via the rapid combustion process