期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 317, 期 2, 页码 747-756出版社
SPRINGER
DOI: 10.1007/s10967-018-5962-6
关键词
Prednisone; Electron beam irradiation; Degradation efficiency; Degradation mechanism; Degradation pathway; Toxicity
资金
- National Natural Science Foundation of China [11405184, 11575210]
- Beijing Natural Science Foundation [2173063]
- Institute of High Energy Physics Foundation, Chinese Academy of Sciences [Y85461B0U2, Y7545110U2]
A novel degradation study of prednisone (PRE) in aqueous systems (10 mg L-1) was performed under electron beam irradiation (EBI) in various conditions. The data demonstrate that the highest degradation caused by EBI was obtained with the oxidation of hydroxyl radicals. The proper amount of hydrogen peroxide could increase the PRE total carbon content removal rate. Nine degradation products of PRE in aqueous solution were preliminarily analyzed using ultra-high performance liquid chromatography in combination with mass spectrometry. Furthermore, the chemical analysis and possible degradation pathway were proposed with the assistance of theoretical calculation results by density functional theory.
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