DOI: 10.1016/j.marpolbul.2014.07.040
Scopus记录号: 2-s2.0-84922597779
论文题名: Photochemical transformation of 2,2',4,4'-tetrabromodiphenyl ether (BDE-47) in surface coastal waters: Effects of chloride and ferric ions
作者: Zhao Q. ; Zhao H. ; Quan X. ; Chen S. ; Zhang Y.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2014
卷: 86, 期: 2018-01-02 起始页码: 76
结束页码: 83
语种: 英语
英文关键词: Chlorine radicals
; Coastal waters
; Hydroxyl radical
; Photochemical transformation
; Polybrominated diphenyl ethers
Scopus关键词: Chlorine compounds
; Ethers
; Ions
; Magnetic moments
; Chlorine radicals
; Coastal waters
; Hydroxyl radicals
; Photochemical transformations
; Polybrominated diphenyl ether (PBDEs)
; Organic pollutants
; 2,2',4,4' tetrabromodiphenyl ether
; chloride
; ferric ion
; hydroxyl radical
; polybrominated diphenyl ether
; unclassified drug
; 2,2',4,4'-tetrabromodiphenyl ether
; chloride
; diphenyl ether derivative
; ferric ion
; sea water
; water pollutant
; aqueous solution
; Article
; chlorination
; coastal waters
; debromination
; electron spin resonance
; pH
; photochemical transformation
; photochemistry
; photochlorination
; photodebromination
; photodegradation
; sea surface waters
; chemistry
; water pollutant
; Chlorides
; Electron Spin Resonance Spectroscopy
; Ferric Compounds
; Halogenated Diphenyl Ethers
; Hydroxyl Radical
; Photochemical Processes
; Seawater
; Water Pollutants, Chemical
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: The effects of several aquatic environmental factors on the photochemical transformation of 2,2',4,4'-tetrabromodiphenyl ether (BDE-47) have been investigated. Ferric ion (Fe(III)) has been found to promote the phototransformation of BDE-47, and this process is further enhanced with the added chloride ion (Cl-), while it is suppressed with increasing pH. Electron spin resonance results show that the formation of hydroxyl radical, and the added Cl- could influence the generation of hydroxyl radical in Fe(III) solution. Hence, Cl- enhances the phototransformation of BDE-47 most probably because of the reaction with Fe(III) species under irradiation, yielding hydroxyl and chloride radicals. These radicals can not only decompose PBDEs, but also lead to their photodebromination and photochlorination. These results indicate that the aquatic environmental factors and Cl- in particular played an important role in the photochemical transformation process of PBDEs, providing insight into the likely fate of PBDEs in the marine environment. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/85770
Appears in Collections: 过去全球变化的重建 全球变化的国际研究计划
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作者单位: Key Laboratory of Industrial Ecology and Environment Engineering, Ministry of Education, China; School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
Recommended Citation:
Zhao Q.,Zhao H.,Quan X.,et al. Photochemical transformation of 2,2',4,4'-tetrabromodiphenyl ether (BDE-47) in surface coastal waters: Effects of chloride and ferric ions[J]. Marine Pollution Bulletin,2014-01-01,86(2018-01-02)