期刊
JOURNAL OF APPLIED PHYSICS
卷 129, 期 18, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0043944
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资金
- Campus France [43505RC]
The study found that a local temperature of 2500 K is required to decompose paracetamol to CO, H2O, NH3, and C2H2 in the presence of 10% hydroxyl radicals in water.
Plasma-produced reactive oxygen and nitrogen species are expected to promote micropollutant degradation in water and more generally in liquids. Among these species, the hydroxyl radical (HO center dot) is recognized as being the most efficient. Molecular dynamics simulations were carried out to determine the reaction steps of HO center dot interaction with the paracetamol molecule in water, a pharmaceutical residue that is frequently detected in surface and tap water and is well documented. Calculations were performed at various temperatures to determine the oxidation pathways, and the intermediate and final products were identified. Assuming a ratio of 10% HO center dot in water, it was found that a local temperature of 2500 K is required to decompose paracetamol to CO, H2O, NH3, and C2H2.
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