Novel synthesis of CuFe2O4/g-C3N4 based on microwave ferromagnetic resonance effect for the thorough removal of TC in mariculture wastewater under natural sunlight

Sun, Xiyu; Feng, Huanzhang; Wang, Guangzhi; Huang, Likun; Wang, Dongdong; Zhou, Simin; Zhao, Rui

doi:10.1016/j.cej.2024.151584

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.151584

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Novel synthesis of CuFe2O4/g-C3N4 based on microwave ferromagnetic resonance effect for the thorough removal of TC in mariculture wastewater under natural sunlight

Xiyu Sun,

Huanzhang Feng,

Guangzhi Wang

et al.

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2024

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Boosted Photo-Fenton Degradation over a Composite Catalyst Based on FeOOH Nanoparticles Anchored on a Flower-like BaTiO₃ Microsphere

Cui,

Yuan,

Sun

et al. 2024

ACS Appl. Nano Mater.

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The conventional heterogeneous photo-Fenton systems suffer from limited surface active sites, sluggish Fe 3+ /Fe 2+ cycle, and low activation efficiency of hydrogen peroxide, thus limiting their applications. Herein a 0D/ 3D FeOOH/BaTiO 3 composite photo-Fenton catalyst system was proposed. The typical microstructure in which FeOOH nanoparticles uniformly anchored on the flower-like BaTiO 3 microsphere endows the composite catalysts with abundant active sites and intimate heterojunctions, which are conducive to charge carrier separation and transportation, as confirmed by the electrochemical and XPS characterization results. Benefiting from these advantages, the degradation rate of RhB with 1:4 FeOOH/BaTiO 3 was significantly increased to 0.23 min −1 , which was 40.5 and 7.9 times higher than that of BaTiO 3 and FeOOH when a trace amount of H 2 O 2 (6 mM) was present. In addition, the catalysts also showed superior degradation efficiency in decomposing the antibiotic TC and possessed high recycle stability. The triggered Fenton reactions give rise to abundant • OH, which was confirmed to be the dominated active species. According to the band structure analysis and control experiment results, it was believed the smooth photoelectron transfer from BaTiO 3 to FeOOH accelerated the Fe 3+ /Fe 2+ cycle, facilitated activation of H 2 O 2 , and boosted photo-Fenton reactions. This work provides a perspective on the design of high-performance photo-Fenton catalysts to tackle wastewater treatment.

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Boosted Photo-Fenton Degradation over a Composite Catalyst Based on FeOOH Nanoparticles Anchored on a Flower-like BaTiO₃ Microsphere

Cui,

Yuan,

Sun

et al. 2024

ACS Appl. Nano Mater.

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show abstract

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Novel synthesis of CuFe2O4/g-C3N4 based on microwave ferromagnetic resonance effect for the thorough removal of TC in mariculture wastewater under natural sunlight

Cited by 1 publication

References 53 publications

Boosted Photo-Fenton Degradation over a Composite Catalyst Based on FeOOH Nanoparticles Anchored on a Flower-like BaTiO₃ Microsphere

Boosted Photo-Fenton Degradation over a Composite Catalyst Based on FeOOH Nanoparticles Anchored on a Flower-like BaTiO₃ Microsphere

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Novel synthesis of CuFe2O4/g-C3N4 based on microwave ferromagnetic resonance effect for the thorough removal of TC in mariculture wastewater under natural sunlight

Cited by 1 publication

References 53 publications

Boosted Photo-Fenton Degradation over a Composite Catalyst Based on FeOOH Nanoparticles Anchored on a Flower-like BaTiO3 Microsphere

Boosted Photo-Fenton Degradation over a Composite Catalyst Based on FeOOH Nanoparticles Anchored on a Flower-like BaTiO3 Microsphere

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Boosted Photo-Fenton Degradation over a Composite Catalyst Based on FeOOH Nanoparticles Anchored on a Flower-like BaTiO₃ Microsphere

Boosted Photo-Fenton Degradation over a Composite Catalyst Based on FeOOH Nanoparticles Anchored on a Flower-like BaTiO₃ Microsphere