globalchange  > 气候变化事实与影响
DOI: 10.1016/j.watres.2019.01.061
Scopus ID: 2-s2.0-85062221300
Title:
Simultaneous aqueous chlorination of amine-containing pharmaceuticals
Author: Liu Y.-J.; Liu H.-S.; Hu C.-Y.; Lo S.-L.
Source Publication: Water Research
ISSN: 431354
Publishing Year: 2019
Volume: 155
pages begin: 56
pages end: 65
Language: 英语
Keyword: Amine-containing pharmaceuticals ; Chlorination ; Dimer
English Abstract: Amine-containing pharmaceuticals such as acetaminophen, diclofenac, and sulfamethoxazole are the most often detected pharmaceuticals in wastewater and other aquatic environments. Amine-containing pharmaceuticals can be effectively removed by chlorination. These drugs, however, may coexist in wastewater. Thus, they may compete with each other, and their chlorinated products may react with each other to form new products. In this study, competitive effects of the above three amine-containing pharmaceuticals by chlorination and their products were investigated. The priority of chlorination of these compounds was dependent upon the pH of the solution, due to the dissociation of the compounds and hypochlorite. It followed the order of sulfamethoxazole > diclofenac > acetaminophen in an acidic condition, the order of sulfamethoxazole > acetaminophen > diclofenac in a neutral condition, and the order of sulfamethoxazole ≈ acetaminophen > diclofenac in an alkaline condition. Some of the chlorinated products in single- and multiple-compound systems were the same. Dimers of sulfamethoxazole and its chlorinated products, however, were not found, but dimers of sulfamethoxazole and acetaminophen or diclofenac were found in multiple-compound systems. This finding is important because it means that new products may be produced if different amine-containing pharmaceuticals react with free chlorine simultaneously. © 2019 Elsevier Ltd
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Document Type: 期刊论文
Identifier: http://119.78.100.158/handle/2HF3EXSE/121920
Appears in Collections:气候变化事实与影响

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Affiliation: Graduate Institute of Environmental Engineering, National Taiwan University, 71 Chou-Shan Rd., Taipei, 10673, Taiwan; School of Public Health, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan

Recommended Citation:
Liu Y.-J.,Liu H.-S.,Hu C.-Y.,et al. Simultaneous aqueous chlorination of amine-containing pharmaceuticals[J]. Water Research,2019-01-01,155
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