DOI: 10.1016/j.atmosenv.2018.02.018
Scopus记录号: 2-s2.0-85042371952
论文题名: A three-dimensional model of the atmospheric chemistry of E and Z-CF3CH=CHCl (HCFO-1233(zd) (E/Z))
作者: Sulbaek Andersen M ; P ; , Schmidt J ; A ; , Volkova A ; , Wuebbles D ; J
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2018
卷: 179 起始页码: 250
结束页码: 259
语种: 英语
英文关键词: Atmospheric lifetimes
; Global warming potentials
; Halogenated olefin
; Ozone depletion potentials
; Photochemical ozone creation potentials
; Trifluoroacetic acid
Scopus关键词: Atmospheric movements
; Binary mixtures
; Chlorine compounds
; Degradation
; Free radicals
; Global warming
; Ozone
; Ozone layer
; Trifluoroacetic acid
; Atmospheric degradation
; Atmospheric lifetime
; Chemistry and transport models
; Degradation products
; Global warming potential
; Ozone depletion potential
; Photochemical ozone creation potentials
; Three-dimensional model
; Atmospheric chemistry
; fluorocarbon
; hydrocarbon
; hydroxyl radical
; ozone
; trifluoroacetic acid
; atmospheric chemistry
; chemical compound
; degradation
; global warming
; hydrofluorocarbon
; oxidation
; ozone
; ozone depletion
; photochemistry
; stratosphere
; three-dimensional modeling
; Article
; atmosphere
; chemistry
; degradation
; greenhouse effect
; model
; oxidation
; ozone depletion
; ozone layer
; photochemistry
; priority journal
; stereoisomerism
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: Using a 3-dimensional global atmospheric chemistry and transport model we investigated the atmospheric degradation of HCFO-1233zd(E), E-CF3CH=CHCl, a commercially important, new hydrofluorocarbon replacement compound. Atmospheric degradation of E-CF3CH=CHCl is initiated by reaction with OH radicals, which leads to several chemical oxidation products. Dissemination of these oxidation products to the environment is of concern due to the possible formation of trifluoroacetic acid (TFA) as a degradation product. The model indicates that the average global yield of TFA from atmospheric processing of E-CF3CH=CHCl is approximately 2%. The annually averaged atmospheric lifetime of E-CF3CH=CHCl was found to be approximately 36 days (12 days for Z-CF3CH=CHCl). As E-CF3CH=CHCl is short lived, by far the majority of its Cl atoms will be released and deposited in the lower atmosphere, and the impact on stratospheric ozone is insignificant. An Ozone Depletion Potential of 0.00030 was determined. The Photochemical Ozone Creation Potential was evaluated and a value of 3.6 determined. Finally, we derive a Global Warming Potential for E-CF3CH=CHCl for a 100 year time horizon of <5. For comparison, data for the stereoismeric analogue, Z-CF3CH=CHCl, was also obtained from the model. © 2018 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82963
Appears in Collections: 气候变化事实与影响
There are no files associated with this item.
作者单位: Department of Chemistry and Biochemistry, California State University Northridge, 18111 Nordhoff St., Northridge, CA, United States; Copenhagen Center for Atmospheric Research, Department of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen, Denmark; School of Engineering and Applied Science, Harvard University, 29 Oxford Street, Cambridge, MA, United States; Department of Atmospheric Sciences, University of Illinois, Urbana, IL, United States
Recommended Citation:
Sulbaek Andersen M,P,, Schmidt J,et al. A three-dimensional model of the atmospheric chemistry of E and Z-CF3CH=CHCl (HCFO-1233(zd) (E/Z))[J]. Atmospheric Environment,2018-01-01,179