Atmospheric chemistry of CF3CF=CH2:: Kinetics and mechanisms of gas-phase reactions with Cl atoms, OH radicals, and O3

被引:211
作者
Nielsen, O. J.
Javadi, M. S.
Sulbaek Andersen, M. P.
Hurley, M. D.
Wallington, T. J.
Singh, R.
机构
[1] Univ Copenhagen, Dept Chem, DK-2100 Copenhagen, Denmark
[2] Ford Motor Co, Phys & Environm Sci Dept, Dearborn, MI 48121 USA
[3] Honeywell Int Inc, Morristown, NJ 07962 USA
关键词
D O I
10.1016/j.cplett.2007.03.053
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Long path length FTIR-smog chamber techniques were used to determine k(Cl + CF3CF=CH2) = (7.03 +/- 0.59) x 10(-11) k(OH + CF3CF=CH2) = (1.05 +/- 0.17) x 10(-12), and k(O-3 + CF3CF=CH2) = (2.77 +/- 0.21) x 10(-21) cm(3) molecule' s(-1) in 700 Torr of N-2, N-2/O-2, or air diluent at 296 K. CF3CF=CH2 has an atmospheric lifetime of approximately 11 days and a global warming potential (100 yr time horizon) of four. CF3CF=CH2 has a negligible global warming potential and will not make any significant contribution to radiative forcing of climate change. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:18 / 22
页数:5
相关论文
共 21 条
[1]   Atmospheric degradation and global warming potentials of three perfluoroalkenes [J].
Acerboni, G ;
Beukes, JA ;
Jensen, NR ;
Hjorth, J ;
Myhre, G ;
Nielsen, CJ ;
Sundet, JK .
ATMOSPHERIC ENVIRONMENT, 2001, 35 (24) :4113-4123
[2]   Atmospheric chemistry of CxF2x+1CH=CH2 (x=1, 2, 4, 6, and 8):: Kinetics of gas-phase reactions with Cl atoms, OH radicals, and O3 [J].
Andersen, MPS ;
Nielsen, OJ ;
Toft, A ;
Nakayama, T ;
Matsumi, Y ;
Waterland, RL ;
Buck, RC ;
Hurley, MD ;
Wallington, TJ .
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 2005, 176 (1-3) :124-128
[3]  
Calvert J.G., 2000, The mechanisms of atmospheric oxidation of the alkenes
[4]  
DUBEY MK, 1996, GEOPHYS RES LETT, V23, P321
[5]   LARGE LOSSES OF TOTAL OZONE IN ANTARCTICA REVEAL SEASONAL CLOX/NOX INTERACTION [J].
FARMAN, JC ;
GARDINER, BG ;
SHANKLIN, JD .
NATURE, 1985, 315 (6016) :207-210
[6]  
Finlayson-Pitts B. J., 2000, Chemistry of the Upper and Lower Atmosphere
[7]   MODEL-CALCULATIONS OF THE RELATIVE EFFECTS OF CFCS AND THEIR REPLACEMENTS ON GLOBAL WARMING [J].
FISHER, DA ;
HALES, CH ;
WANG, WC ;
KO, MKW ;
SZE, ND .
NATURE, 1990, 344 (6266) :513-516
[8]  
[Houghton J.T. IPCC. IPCC.], 2001, CLIMATE CHANGE
[9]  
KLECKA G, 2000, EVALUATION PERSISTEN
[10]   Atmospheric chemistry of CF3CF=CF2:: Kinetics and mechanism of its reactions with OH radicals, Cl atoms, and ozone [J].
Mashino, M ;
Ninomiya, Y ;
Kawasaki, M ;
Wallington, TJ ;
Hurley, MD .
JOURNAL OF PHYSICAL CHEMISTRY A, 2000, 104 (31) :7255-7260