Occurrence of Pharmaceuticals in Calgary's Wastewater and Related Surface Water

被引：16
作者：
Chen, M. [1 ]
Cooper, V. I. [1 ]
Deng, J. [1 ]
Amatya, P. L. [1 ]
Ambrus, D. [1 ]
Dong, S. [1 ]
Stalker, N. [1 ]
Nadeau-Bonilla, C. [1 ]
Patel, J. [1 ]
机构：
[1] City Calgary Water Resources, Water Serv, Calgary, AB T2P 2M5, Canada
来源：
WATER ENVIRONMENT RESEARCH | 2015年 / 87卷 / 05期
关键词：
pharmaceuticals; occurrence; wastewater influent; wastewater effluent; surface water; Calgary; PERSONAL CARE PRODUCTS; SEWAGE-TREATMENT PLANTS; ACIDIC PHARMACEUTICALS; PART I; DRUGS; EFFLUENTS; METABOLITES; ENVIRONMENT; BIOSOLIDS; PPCPS;
D O I：
10.2175/106143015X14212658614199
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The influents/effluents from Calgary's water resource recovery facilities and the surface water were analyzed for pharmaceuticals in the present study. The median concentrations in the effluents for the 15 targeted pharmaceuticals were within the range of 0.006 to 3.32 ppb. Although the wastewater treatment facilities were not designed to remove pharmaceuticals, this study indicates that the wastewater treatment processes are effective in removing some of the pharmaceuticals from the aqueous phase. The removal rate estimated can be 99.5% for caffeine, whereas little or no removal was observed for carbamazepine. Biodegradation, chemical degradation, and sorption could be some of the mechanisms responsible for the removal of pharmaceuticals. The drug residues in downstream surface water could be associated with incomplete removal of pharmaceuticals during the treatment process and may lead to concerns in terms of potential impacts on the aquatic ecosystem. However, this study does not indicate any immediate risks to the downstream aquatic environment.
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收藏
页码：414 / 424
页数：11
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