Ceramics International, Journal Year: 2024, Volume and Issue: unknown
Published: Nov. 1, 2024
Language: Английский
Ceramics International, Journal Year: 2024, Volume and Issue: unknown
Published: Nov. 1, 2024
Language: Английский
Published: Jan. 1, 2025
The H2O2-based advanced oxidation process is an eco-friendly strategy to utilize strong reactive oxygen species (ROS) for treating NOx emitted from low-temperature flue gas. This study developed a heterogeneous Fenton-like catalyst, Fe2O3-CN, with enhanced electron transfer capabilities by loading Fe2O3 onto graphitic carbon nitride. catalyst was employed activate H2O2, generating superoxide radicals (O2•–) under alkaline conditions remove in simulated industrial gas environment. Compared or g-C3N4 alone, the Fe2O3-CN exhibited significantly improved performance. Specifically, achieved 18.3% and 11.7% increase total removal capacity, respectively. Mechanistic analysis revealed that O2•– predominant responsible system. Density functional theory (DFT) calculations electrochemical characterization results showed high density of unpaired free electrons superior capability facilitates Fe2+/Fe3+ cycling promotes generation hydroxyl (HO•). Under conditions, HO• reacts H2O2 selectively form O2•–, enabling efficient removal. offers novel approach addressing performance highlights its potential as practical effective treatment, paving way more sustainable emission control technologies.
Language: Английский
Citations
0Journal of Water Process Engineering, Journal Year: 2025, Volume and Issue: 70, P. 107030 - 107030
Published: Jan. 25, 2025
Language: Английский
Citations
0Applied Surface Science, Journal Year: 2025, Volume and Issue: 690, P. 162610 - 162610
Published: Feb. 1, 2025
Language: Английский
Citations
0Journal of Composites Science, Journal Year: 2025, Volume and Issue: 9(2), P. 73 - 73
Published: Feb. 5, 2025
Nanoparticles of ZnFe2O4 and hematite with varied sizes distributions were synthesized using the two-solvent method (cyclohexane, water) on SBA-15 silica batches. Calcination is performed in air at 700 °C (2 °C/min) rapid quenching produced catalysts distinct nanoparticle configurations, namely, internal zinc ferrite external hematite. The choice precursor was critical, nitrate salts yielded only nanoparticles, while chloride a mixture ferrite. photocatalytic activity these materials evaluated under visible light irradiation from an LED lamp, O2 as oxidizing agent without addition H2O2. Samples enriched nanoparticles precursors achieved highest activity, decomposing 30% AMX 225 min. In contrast, nitrate-derived samples predominantly exhibited lower catalytic activity. Characterization via TEM, XRD, N2 sorption, Mössbauer spectroscopy confirmed structural magnetic properties nanoparticles. spectra, particularly 12K field, demonstrated presence distinguishing them isolated Fe (III) cations. Zinc specific ordering, ions occupying tetrahedral octahedral sites. results demonstrate critical role nanoparticle, composition, positioning optimizing efficiency for water decomposition.
Language: Английский
Citations
0Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 115812 - 115812
Published: Feb. 1, 2025
Language: Английский
Citations
0Journal of Water Process Engineering, Journal Year: 2025, Volume and Issue: 71, P. 107380 - 107380
Published: March 1, 2025
Language: Английский
Citations
0Environmental Research, Journal Year: 2025, Volume and Issue: 275, P. 121391 - 121391
Published: March 13, 2025
Language: Английский
Citations
0Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116558 - 116558
Published: April 1, 2025
Language: Английский
Citations
0Journal of Environmental Management, Journal Year: 2025, Volume and Issue: 381, P. 125345 - 125345
Published: April 14, 2025
Language: Английский
Citations
0Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 133160 - 133160
Published: April 1, 2025
Language: Английский
Citations
0