REMOVAL OF CLOFIBRIC ACID AND DICLOFENAC DURING ANAEROBIC DIGESTION OF SEWAGE SLUDGE

被引：7
|
作者：
Zhou, Haidong [1 ]
Zhang, Qianqian [1 ]
Zhang, Qingjun [1 ]
Ma, Lixin [2 ]
Tu, Baohua [3 ]
Li, Han [4 ]
Zhou, Yanfen [1 ]
机构：
[1] Univ Shanghai Sci & Technol, Sch Environm & Architecture, Shanghai, Peoples R China
[2] Univ Shanghai Sci & Technol, Sch Opt Elect & Comp Engn, Shanghai, Peoples R China
[3] Changzhou Univ, Sch Environm & Safety Engn, Changzhou, Peoples R China
[4] S China Univ Technol, Coll Environm Sci & Engn, Guangzhou, Guangdong, Peoples R China
来源：
ENVIRONMENT PROTECTION ENGINEERING | 2013年 / 39卷 / 04期
基金：
中国国家自然科学基金;
关键词：
WATER TREATMENT PLANTS; WASTE-WATER; PHARMACEUTICALS; CARBAMAZEPINE; FATE; IMPACTS;
D O I：
10.5277/epe130406
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Removal of two acidic pharmaceuticals, clofibric acid and diclofenac, present in sewage sludge using two kinds of anaerobic digestions was investigated. The effective isolation and purification pretreatment to extract the target compounds from the sewage sludge samples was firstly established, followed by gas chromatography-mass spectrometry (GC-MS) analysis to identify and quantify them. Under mesophilic conditions, the removal efficiencies for clofibric acid and diclofenac with the initial concentrations of 5 mu g/dm(3) were up to 95% and 97%. After thermophilic anaerobic digestion, the removal efficiency could be increased to 99.3% for clofibric acid, however, it did not increase for diclofenac. In general, anaerobic digestion could effectively remove the target compounds from the sewage sludge (all above 90%).
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页码：63 / 77
页数：15
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