Comparative study of ozonation and ozonation catalyzed by Fe-loaded biochar as catalyst to remove methylene blue from aqueous solution

Chemosphere, Journal Year: 2022, Volume and Issue: 307, P. 135738 - 135738

Published: July 15, 2022

Language: Английский

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Application of Pillared Clays for Water Recovery

Catalysts, Journal Year: 2025, Volume and Issue: 15(2), P. 159 - 159

Published: Feb. 9, 2025

In recent years, efforts have been made in developing new and more efficient water purification methods the synthesis of catalysts with greater catalytic activity that are stable can be used wide pH ranges. Pillared clays represent a viable alternative for removing organic contaminants. The clays, usually smectites, modified by inserting inorganic pillars (Al, Zr, Cr, Fe, Ti, Ga, Mn) between layers clay, increasing its surface area, porosity, activity, thermal stability. This review describes importance using pillared different polyoxycations Fenton, photo-Fenton, ozonation, wet oxidation hydrogen peroxide, photocatalysis processes. iron (Fe-PILCs) promising capable generating hydroxyl radicals oxidize contaminants, thus facilitating their removal. current challenges PILC application at industrial scale also discussed.

Language: Английский

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Catalytic ozonation performance of calcium-loaded catalyst (Ca-C/Al2O3) for effective treatment of high salt organic wastewater

Separation and Purification Technology, Journal Year: 2022, Volume and Issue: 301, P. 121937 - 121937

Published: Aug. 19, 2022

Language: Английский

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Comparative studies of RSM Box-Behnken and ANN-Anfis fuzzy statistical analysis for seawater biodegradability using TiO2 photocatalyst

Chemosphere, Journal Year: 2022, Volume and Issue: 314, P. 137665 - 137665

Published: Dec. 26, 2022

Language: Английский

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Efficient treatment of veterinary pharmaceutical industrial wastewater by catalytic ozonation process: degradation of enrofloxacin via molecular ozone reactions

Environmental Science and Pollution Research, Journal Year: 2024, Volume and Issue: 31(14), P. 22187 - 22197

Published: Feb. 26, 2024

Language: Английский

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Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blue

Desalination and Water Treatment, Journal Year: 2024, Volume and Issue: 317, P. 100052 - 100052

Published: Jan. 1, 2024

An optimization study for the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles and their performance adsorptive removal methylene blue (MB) dye was reported. The as-produced samples associated calcined corresponding ones in range 400–800 °C were systematically characterized structure microstructure using different techniques. For expected best candidate MB removal, pure NiZn nanoferrite (optimized parameters: Fuel=Urea; pH=5; [Fe3+]:0.025 M; Total nitrate to fuel molar ratio=8/6.66) consists ultrasmall nanocrystals with an average crystallite size ∼4 nm. by selected ferrite nanoparticles, various critical physicochemical parameters varied. Regarding effect calcination temperature, it demonstrated that at 500 showed efficiency (for instance ∼43% ∼72%, as-prepared °C, respectively). found increase a monotonous manner pH 4–11. This faster values higher than pHPZC (∼8). instance, is ∼10% pH∼4, ∼18% pH∼8 ∼62% pH∼11. Whereas, uptake capacity onto produced decrease increase, respectively, dosage concentration. Whatever concentration, almost removable amount takes place first 30 s. very fast adsorption rate observed initial stage mainly attributed external surface properties nanoparticles. Additionally, industrial, economic environmental purposes, reusability tested. nanoadsorbent stable up five adsorption–desorption–regeneration–reuse consecutive cycles without obvious dyes.

Language: Английский

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Activation of periodate by self-recycled Ru(III)/TiO2 for selective oxidation of aqueous organic pollutants: Essential role of homogeneous Ru(V)=O species

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 473, P. 145012 - 145012

Published: July 28, 2023

Language: Английский

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Treatment of Eucalyptus chemical-mechanical pulp wastewater by coupling system of advanced catalytic oxidation and biodegradation: Synergistic effect of ozonation photocatalytic-microbial

Journal of Water Process Engineering, Journal Year: 2023, Volume and Issue: 55, P. 104071 - 104071

Published: July 27, 2023

Language: Английский

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Kinetics of catalytic ozonation of methylene blue in wastewater with Fe/Ce co-doped in attapulgite

Desalination and Water Treatment, Journal Year: 2024, Volume and Issue: 317, P. 100023 - 100023

Published: Jan. 1, 2024

In this study, the attapulgite (ATP) was modified by Fe and Ce with method of impregnation-roasting, degradation Methylene Blue (MB) in presence ozone investigated. The results showed that rate 80 mg/L MB wastewater could reach about 94%, when flow is 250 mL/min, reaction temperature 35 ℃, catalyst 0.4 g, initial pH solution 7. characterization ATP Fe3+ Ce4+ had been successfully loaded on gravimetric clay. Finally, mechanism speculated, kinetic equation obtained. model fit reliability are good.

Language: Английский

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Catalytic ozonation of 2, 4-dichlorophenoxyacetic acid wastewater by Fe-La@ZE catalyst

Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 61, P. 105362 - 105362

Published: April 23, 2024

Language: Английский

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