Effect of the chloride ion on the degradation of PPCPs in UV/persulfate and UV/H2O2 and the role of radicals in these systems

Hoang, Nguyen Tien; Manh, Tran Duc; Tram, NC Thuy; Nhi, Bui Dinh; Mwazighe, Fredrick M.; Van Tac, Dinh; Duyen, Vu Thi; Hien Y, Hoang; Thi Thy Nga, Nguyen; Van Duong, Doan; Tran Thi, Lan; Doan, Thi Van

doi:10.1016/j.jece.2023.111846

Journal of Environmental Chemical Engineering

2024

DOI: 10.1016/j.jece.2023.111846

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Effect of the chloride ion on the degradation of PPCPs in UV/persulfate and UV/H2O2 and the role of radicals in these systems

Nguyen Tien Hoang,

Tran Duc Manh,

NC Thuy Tram

et al.

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Cited by 2 publications

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Microwave heating system for CuFe2O4/rGO/PMS enhanced catalytic-oxidative pre-treatment, water, and salt recovery from reverse osmosis reject of textile industry effluent

Ghosh,

Kumar

2024

Process Safety and Environmental Protection

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Microwave heating system for CuFe2O4/rGO/PMS enhanced catalytic-oxidative pre-treatment, water, and salt recovery from reverse osmosis reject of textile industry effluent

Ghosh,

Kumar

2024

Process Safety and Environmental Protection

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Hydroxyl radicals-based degradation of loperamide hydrochloride: The effect of common water constituents and ecotoxicology analysis

Mitrović,

Radović-Vučić,

Kostić

et al. 2024

Adv Techol

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Microcontaminants, which can be present in low concentrations in aqueous environmental matrices, are a growing problem, as they are difficult to remove using conventional wastewater treatment processes. The application of Advanced Oxidation Processes (AOPs) has been extensively studied to remove these types of organic pollutants from water. In this study, the degradation of pharmaceutical loperamide hydrochloride by artificial UV irradiation in the presence of H2 O2 was investigated. The treatment used appears to be suitable for rapid and complete removal of loperamide (30 mg/dm3 ) within 6 minutes of irradiation under optimal operating conditions. A considerable degree of loperamide mineralization was also attained at the end of the treatment. The evolution of low molecular weight organic acids, such as oxalic acid, formic acid, and acetic acid, was evidenced. The influence of typical components present in surface waters and wastewater effluents (HA, NO3 - , HCO3 - , Cl, SO4 2-) on the degradation rate of loperamide was investigated. The degradation of loperamide was negatively influenced by the presence of humic acid, nitrate, and bicarbonate, whereas the influence of chloride and sulphate was neglected. The evaluation of toxicity with the marine photobacterium Vibrio fischeri was performed to examine whether or not the hydroxyl radical-based treatment of loperamide leads to by-products with upgraded toxicity to aquatic organisms.

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Effect of the chloride ion on the degradation of PPCPs in UV/persulfate and UV/H2O2 and the role of radicals in these systems

Cited by 2 publications

References 40 publications

Microwave heating system for CuFe2O4/rGO/PMS enhanced catalytic-oxidative pre-treatment, water, and salt recovery from reverse osmosis reject of textile industry effluent

Microwave heating system for CuFe2O4/rGO/PMS enhanced catalytic-oxidative pre-treatment, water, and salt recovery from reverse osmosis reject of textile industry effluent

Hydroxyl radicals-based degradation of loperamide hydrochloride: The effect of common water constituents and ecotoxicology analysis

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