Fate of selected estrogenic hormones in an urban sewage treatment plant in Tunisia (North Africa)

被引：84
作者：
Belhaj, Dalel [1 ]
Baccar, Rim [2 ]
Jaabiri, Ikram [2 ]
Bouzid, Jalel [2 ]
Kallel, Moneem [2 ]
Ayadi, Habib [1 ]
Zhou, John L. [3 ]
机构：
[1] Univ Sfax Tunisia, Dept Life Sci, Lab Biodivers & Aquat Ecosyst Ecol & Planktonol, Fac Sci, Sfax, Tunisia
[2] Univ Sfax Tunisia, ENIS, Lab Water Energy Environm, Sfax, Tunisia
[3] Univ Technol Sydney, Sch Civil & Environm Engn, Ctr Technol Water & Wastewater, Broadway, NSW 2007, Australia
来源：
SCIENCE OF THE TOTAL ENVIRONMENT | 2015年 / 505卷
关键词：
Estrogenic contaminants; Fate; Micropollutants; Seasonal variation; Sewage treatment plant; WASTE-WATER TREATMENT; ENDOCRINE DISRUPTING COMPOUNDS; ACTIVATED-SLUDGE; STEROID ESTROGENS; NATURAL ESTROGENS; REMOVAL; MUNICIPAL; BIODEGRADATION; PHARMACEUTICALS; DEGRADATION;
D O I：
10.1016/j.scitotenv.2014.10.018
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Estrogenic compounds have been monitored for one year at an urban sewage treatment plant (STP) located in Tunisia, to evaluate their fate and seasonal variations. The concentrations of these compounds were determined in both wastewater and sludge phases by gas chromatography coupled with mass spectrometry (GC MS). Results showed that the highest removal of all estrogens (>= 80%) was observed in summer. Mass balance analysis revealed that biodegradation was the predominant removal mechanism. Moreover, the results showed that the removal efficiency of the studied emerging micropollutants and their concentrations in the solid phase of return sludge were much higher in winter and spring than in summer and autumn. These findings were closely related to microbial activity and the concentration of mixed liquor suspended solids (MLSSs). Finally, the findings can be used to help with the modifications that could be implemented in that STP for the improved removal of estrogenic contaminants. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：154 / 160
页数：7
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