Fenton vs Photo Fenton for Acid Fuchsin Oxidation

IF 1.4 4区化学 Q4 CHEMISTRY, PHYSICAL

Journal of Solution Chemistry Pub Date : 2025-04-09 DOI:10.1007/s10953-025-01447-2

Ouarda Moumeni, Sarra Guilane, Souad Djerad, Meriem Zamouche, Amani Kadouri, Ilheme Snouci

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引用次数: 0

Abstract

Numerous studies have highlighted the advantages of combining different advanced oxidation processes (AOPs) for wastewater treatment to enhance the degradation of organic pollutants. In this context, the classic Fenton and photo-Fenton processes were studied and compared for the oxidation of Acid Fuchsin dye. The effects of operational conditions such as stirring speed, pH of the medium, ferrous ion and hydrogen peroxide concentrations, and reaction time were investigated. The results showed that the UV/Fe²⁺/H₂O₂ system increased dye degradation while reducing the amount of chemicals and reaction time compared to the classic Fenton process. A maximum oxidation percentage of 93.84% % was achieved within 20 min of reaction under UV radiation (λ = 254 nm) at pH 3, [Fe²⁺]₀ = 0.18 mol·m⁻³, and [H₂O₂]₀ = 0.06 mol·m⁻³, while only 84.56% of dye molecules were degraded using the Fe²⁺/H₂O₂ system under the same conditions. In light of these results, the photo-Fenton process can be effectively used for textile wastewater treatment.

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Fenton与Photo Fenton的酸性品红氧化

许多研究都强调了将不同的高级氧化工艺（AOPs）组合用于废水处理以增强有机污染物的降解的优势。在此背景下，研究并比较了经典芬顿法和光芬顿法氧化酸性品红染料的效果。考察了搅拌速度、介质pH、亚铁离子和过氧化氢浓度、反应时间等操作条件对反应的影响。结果表明，与经典的Fenton工艺相比，UV/Fe2 + /H2O2体系提高了染料的降解能力，同时减少了化学品的用量和反应时间。在pH为3、[Fe2 +]0 = 0.18 mol·m−3、[H2O2]0 = 0.06 mol·m−3的紫外辐射（λ = 254 nm）下，反应20 min内氧化率达到93.84%，而在相同条件下，Fe2 + /H2O2体系对染料分子的降解率仅为84.56%。研究结果表明，光fenton法可以有效地用于纺织废水的处理。

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来源期刊

Journal of Solution Chemistry 化学-物理化学

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

3-8 weeks

期刊介绍： Journal of Solution Chemistry offers a forum for research on the physical chemistry of liquid solutions in such fields as physical chemistry, chemical physics, molecular biology, statistical mechanics, biochemistry, and biophysics. The emphasis is on papers in which the solvent plays a dominant rather than incidental role. Featured topics include experimental investigations of the dielectric, spectroscopic, thermodynamic, transport, or relaxation properties of both electrolytes and nonelectrolytes in liquid solutions.