High-Efficiency Degradation of Orange II by Co78Si8B14/g-C3N4 Composite Catalyst in a Visible-Light-Assisted Peroxymonosulfate Activation System DOI Open Access

Zhenling Yang,

Guofeng Ma, Jun Zhang

et al.

Materials, Journal Year: 2025, Volume and Issue: 18(8), P. 1733 - 1733

Published: April 10, 2025

Peroxynitrite-based advanced oxidation technology has gradually become a research hotspot for degrading dye wastewater due to its high efficiency and environmentally friendly features. Transition metal elements, which are commonly used as catalysts the activation of persulfates, suffer from problems such easy deactivation leaching ions, limit their practical application. In this study, Co78Si8B14/g-C3N4 composite were prepared by wet milling ball methods investigate degradation Orange II dyes assisting peroxynitrite under visible light, effects catalyst ratio, light intensity, dosage on performance investigated. It was shown that optimum ratio Co78Si8B14 g-C3N4 1:3, reaction rate constants orange + PMS VIS 4.3 5.37 times higher than those single PMS, respectively. Meanwhile, also showed good rhodamine B, methyl orange, methylene blue dyes, effect could reach more 75%. Cyclic stability tests maintained 94% over multiple cycles with low ion dissolution concentration. Its catalytic activity is attributed lowest adsorption energy (Eads = -1.97 eV), facilitates reaction, while synergistic promotes production ·SO4, ·OH, ·O2-. This study provides new ideas development stable efficient expand synergy between PMS-based other technologies.

Language: Английский

Degradation Efficiency and Mechanism Exploration of an Fe78Si9B13 Metallic Glass Cathode in the Electro-Fenton Degradation of p-NP DOI Open Access
Jiǎtāo Xiè,

S.C. Hu,

Mengyuan Wei

et al.

Materials, Journal Year: 2025, Volume and Issue: 18(5), P. 930 - 930

Published: Feb. 20, 2025

Fe-based metallic glass (MG) exhibits excellent performance as a heterogeneous catalyst in degradation but is rarely used working electrode electro-Fenton (EF) systems. We Fe78Si9B13 MG the to investigate effect of EF process on efficiency p-nitrophenol (p-NP). The system had highest catalytic (the reaction rate was 3.4 times that chemical degradation) at voltage −1 V (vs. SCE) and showed 95.6% p-NP within 30 min. accelerated generation hydroxyl radicals (·OH) system, thus promoting pollutant degradation. In addition, cathode demonstrated good structural stability reusability after 10 cycles. ribbons can serve suitable material provide potential optimization solutions for organic pollutants.

Language: Английский

Citations

0
Deciphering the exceptional chemical activity of a High-entropy metallic glass DOI Creative Commons

Jiajia Si,

Qing Liu, Lu Ren

et al.

Materials Research Letters, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 9

Published: April 3, 2025

Language: Английский

Citations

0
High-Efficiency Degradation of Orange II by Co78Si8B14/g-C3N4 Composite Catalyst in a Visible-Light-Assisted Peroxymonosulfate Activation System DOI Open Access

Zhenling Yang,

Guofeng Ma, Jun Zhang

et al.

Materials, Journal Year: 2025, Volume and Issue: 18(8), P. 1733 - 1733

Published: April 10, 2025

Peroxynitrite-based advanced oxidation technology has gradually become a research hotspot for degrading dye wastewater due to its high efficiency and environmentally friendly features. Transition metal elements, which are commonly used as catalysts the activation of persulfates, suffer from problems such easy deactivation leaching ions, limit their practical application. In this study, Co78Si8B14/g-C3N4 composite were prepared by wet milling ball methods investigate degradation Orange II dyes assisting peroxynitrite under visible light, effects catalyst ratio, light intensity, dosage on performance investigated. It was shown that optimum ratio Co78Si8B14 g-C3N4 1:3, reaction rate constants orange + PMS VIS 4.3 5.37 times higher than those single PMS, respectively. Meanwhile, also showed good rhodamine B, methyl orange, methylene blue dyes, effect could reach more 75%. Cyclic stability tests maintained 94% over multiple cycles with low ion dissolution concentration. Its catalytic activity is attributed lowest adsorption energy (Eads = -1.97 eV), facilitates reaction, while synergistic promotes production ·SO4, ·OH, ·O2-. This study provides new ideas development stable efficient expand synergy between PMS-based other technologies.

Language: Английский

Citations

0