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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Hong, P. K. Andy Lin, Angela Yu-Chen Hsueh, Julia Han-Fang |
| Description | Author Affiliation: Lin AY ( Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, 106, Taiwan, Republic of China, yuchenlin@ntu.edu.tw.) |
| Abstract | We investigated the ozonation of the antineoplastic drugs cyclophosphamide (CP), ifosfamide (IF), and 5-fluorouracil (5-FU) and of the vasodilator pentoxifylline (PEN) in distilled water, in pharmaceutical wastewater, and in hospital effluent at pH 5-11. Under an alkaline pH of 11, all of the target compounds rapidly degraded through the attack of hydroxyl radicals, which resulted in their complete removal within 5 min at an ozone supply rate of 3 g O3/h. Under acidic pH conditions, such as pH 5.6, CP and IF exhibited slower removal rates; however, compounds with unsaturated C-C bonds, such as 5-FU and PEN, were still removed at rapid rates under acidic conditions. Although the parent compounds were removed within minutes, the resulting ozonation byproducts were resistant to further ozonation and possessed increased Microtox acute toxicity. In distilled water, the resulting ozonation products exhibited minimal mineralization but high acute toxicity, whereas in naturally buffered pharmaceutical and hospital effluents, the byproducts were more amenable to removal and detoxification. |
| ISSN | 09441344 |
| Issue Number | 1 |
| Volume Number | 22 |
| e-ISSN | 16147499 |
| Journal | Environmental Science and Pollution Research |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2015-01-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Antineoplastic Agents Chemistry Ozone Pentoxifylline Water Pollutants, Chemical Water Pollution, Chemical Prevention & Control Aliivibrio Fischeri Cyclophosphamide Fluorouracil Hydroxyl Radical Ifosfamide Toxicity Tests Vasodilator Agents Waste Disposal, Fluid Methods Waste Water Evaluation Studies Journal Article Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine |
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