Efficient H2O2 -sonochemical treatment of Penicillin G in water: Optimization, DI-HRMS ultra-trace by-products analysis, and degradation pathways

Bendjelloul, Ryma; Bensmaili, Aicha; Berkani, Mohammed; Aminabhavi, Tejraj M.; Vasseghian, Yasser; Appasamy, Danen; Kadmi, Yassine

doi:10.1016/j.psep.2024.03.051

Process Safety and Environmental Protection

2024

DOI: 10.1016/j.psep.2024.03.051

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Efficient H2O2 -sonochemical treatment of Penicillin G in water: Optimization, DI-HRMS ultra-trace by-products analysis, and degradation pathways

Ryma Bendjelloul,

Aicha Bensmaili,

Mohammed Berkani

et al.

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2024

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Cited by 2 publications

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Occurrence, analysis and removal processes of emerging pharmaceuticals from waters for the protection and preservation of a sustainable environment: A review

Guettai,

Kadmi,

Puri

et al. 2024

Journal of Cleaner Production

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Occurrence, analysis and removal processes of emerging pharmaceuticals from waters for the protection and preservation of a sustainable environment: A review

Guettai,

Kadmi,

Puri

et al. 2024

Journal of Cleaner Production

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Kinetic Aspects of Ethylene Glycol Degradation Using UV-C Activated Hydrogen Peroxide (H2O2/UV-C)

Fazliev,

Lyulyukin,

Kozlov

et al. 2024

Molecules

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Ethylene glycol (EG) is a contaminant in the wastewater of airports because it is commonly used in aircraft deicing fluids during the cold season in northern regions. Ethylene glycol by itself has relatively low toxicity to mammals and aquatic organisms, but it can lead to a substantial increase in chemical and biological oxygen demands. The contamination of water with EG facilitates the rapid growth of microbial biofilms, which decreases the concentration of dissolved oxygen in water and negatively affects overall biodiversity. The development of a simple method to decompose EG with high efficiency and low operating costs is important. This study revealed that ethylene glycol can be completely oxidized using UV-C activated hydrogen peroxide (H2O2/UV-C) at a high rate (up to 56 mg L−1 h−1) at an optimum EG:H2O2 molar ratio of 1:10–1:15. Air purging the reaction mixture at 1000 cm3 min−1 increases the EG mineralization rate up to two times because the simultaneous action of UV-activated H2O2 and O2 (H2O2 + O2/UV-C) leads to a synergistic effect, especially at low EG:H2O2 ratios. The kinetics and mechanism of EG degradation are discussed on the basis of the concentration profiles of ethylene glycol and intermediate products.

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Efficient H2O2 -sonochemical treatment of Penicillin G in water: Optimization, DI-HRMS ultra-trace by-products analysis, and degradation pathways

Cited by 2 publications

References 59 publications

Occurrence, analysis and removal processes of emerging pharmaceuticals from waters for the protection and preservation of a sustainable environment: A review

Occurrence, analysis and removal processes of emerging pharmaceuticals from waters for the protection and preservation of a sustainable environment: A review

Kinetic Aspects of Ethylene Glycol Degradation Using UV-C Activated Hydrogen Peroxide (H2O2/UV-C)

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