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Efficacious Reduction of Ferric Ions by Molybdenum Carbide in the Peroxydisulfate Fenton-Like Reaction for Dexamethasone Degradation by Yao Xiang; Deling Yuan; Eryu Zhu; Tongtong Zhao; Tifeng Jiao; Qingrui Zhang; Shoufeng Tang is a Environmental Science article available to read on EtoBox.
What is Efficacious Reduction of Ferric Ions by Molybdenum Carbide in the Peroxydisulfate Fenton-Like Reaction for Dexamethasone Degradation about?
The tardy Fe 2+ regeneration and the limited pH range confine the practical application of Fe-based homogenous Fenton-like reaction performance. To surmount the abovementioned obstacles, we applied molybdenum carbide (β-Mo 2 C) as the cocatalyst to boost Fe 3+ reduction in the activation of peroxydisulfate (PDS) for the efficient degradation of dexamethasone (DXM). The proposed Fe 3+ /PDS/β-Mo 2 C can remove more than 90% DXM in the wide pH range (3.4 to 9.4). Electron spin resonance analysis and probe and quenching tests comprehensively demonstrated that a series of reactive species ( • OH, SO 4 •-, O 2 •-, 1 O 2 , and Fe(IV)) were formed during the synergistic process, and SO 4 •-was the leading role. The circulation of Fe 3+ /Fe 2+ was driven by the exposed sites of Mo 2+ /Mo 4+ on the β-Mo 2 C, which further promoted the PDS activation. The reaction mechanism was clarified by various characterizations and density functional theory calculation, which indicated that the adsorption between Fe 3+ and β-Mo 2 C could form Mo-Fe bonds and lengthen Fe-O and then improve the electron transport from β-Mo 2 C to Fe 3+ and boost Fe 3+ reduction. The reactivity and stability of β-Mo 2 C was
Who reads Efficacious Reduction of Ferric Ions by Molybdenum Carbide in the Peroxydisulfate Fenton-Like Reaction for Dexamethasone Degradation?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Yao Xiang; Deling Yuan; Eryu Zhu; Tongtong Zhao; Tifeng Jiao; Qingrui Zhang; Shoufeng Tang
- Publisher
- American Chemical Society (ACS)
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)