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题名: FeCl3/NaNO2: An efficient photocatalyst for the degradation of aquatic steroid estrogens under natural light irradiation
作者: Wang, Lianzhi;  Zhang, Feifang;  Liu, Renhua;  Zhang, Tony Y.;  Xue, Xingya;  Xu, Qing;  Liang, Xinmiao
通讯作者: 梁鑫淼
刊名: ENVIRONMENTAL SCIENCE & TECHNOLOGY
发表日期: 2007-05-15
DOI: 10.1021/es0625778
卷: 41, 期:10, 页:3747-3751
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1803
产权排名: 1;1
WOS标题词: Science & Technology ;  Technology ;  Life Sciences & Biomedicine
类目[WOS]: Engineering, Environmental ;  Environmental Sciences
研究领域[WOS]: Engineering ;  Environmental Sciences & Ecology
英文摘要: Assistance and acceleration of the environment's self-remediation of pollutants represent an important and long-standing goal for environmental chemistry communities. Here, a degradation route using a combination of a nitrite and a ferric salt as the photocatalyst is presented for catalytically removing 17 beta-estradiol (E2), estriol (E3), and 17 alpha-ethynylestradiol (EE2) in water under mimicked natural environmental conditions, i.e., in the phytotron. After a 1 day reaction, 86.6% of the estrogen E2 was degraded. Extending the incubation time to 30 days, more than 99.9% E2 was removed and a very small quantity of malonic acid observed as the residual organic compound, and estrogenic activity was determined. The results showed that the estrogenic activities of the intermediate products are negligible and that there is no secondary risk associated with increased the estrogenic activity. The degradation system demonstrated that FeCl3/NaNO2 is an efficient photocatalyst which is active on natural light irradiation. This work highlights a promising development for in situ treatment of pollutants in natural-environment conditions.
关键词[WOS]: ENDOCRINE-DISRUPTING CHEMICALS ;  AEROBIC ALCOHOL OXIDATION ;  SEWAGE-TREATMENT PLANTS ;  AQUEOUS-SOLUTIONS ;  ACTIVATED-SLUDGE ;  WATER ;  17-BETA-ESTRADIOL ;  PHOTODEGRADATION ;  PHOTOLYSIS ;  EFFLUENT
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000246371800061
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98915
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R China
3.Eli Lilly & Co, Indianapolis, IN 46285 USA

Recommended Citation:
Wang, Lianzhi,Zhang, Feifang,Liu, Renhua,et al. FeCl3/NaNO2: An efficient photocatalyst for the degradation of aquatic steroid estrogens under natural light irradiation[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2007,41(10):3747-3751.
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