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Smog chamber studies of ozone formation potentials for isopentane

  • Articles / Environmental Chemistry
  • Published:
Chinese Science Bulletin

Abstract

The incremental reactivity and ozone formation potential of isopentane have been studied with chamber experiments and computer simulations. The chemical mechanism used in the computer simulations is an isopentane sub-mechanism from the Master Chemical Mechanism (MCM). The results from the chamber experiments suggest that the MCM can well simulate i-C5H12-NO x chamber experiments. The heterogeneous reaction of NO2 and water is an important source for OH radicals in the chamber experiments. The photolysis of HONO is responsible for the initiation of isopentane in photochemical reactions. The reaction rate constant for NO2 → HONO was determined to be 3.9×10−4−5.9×10−3 min−1 by conducting 3 sets of CO-NO x -air irradiations. 5 sets of isopentane-NO x irradiations under different conditions were performed in our chamber. Compared with the experiment with a low relative humidity (RH), an increase in RH can increase the reaction rate of NO2 with H2O, so that the peak ozone occurs earlier. When isopentane is predominant over NO x , the peak ozone concentration is largely dependent on NO x concentrations.

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References

  1. Zhang J G, Wang Y S, Wang S, et al. The Ambient mass concentration and reactivity of non-methane hydrocarbons (NMHCs) in Beijing and Tianjin cities (in Chinese). Res Environ Sci, 2008, 21: 158–162

    Google Scholar 

  2. Carter W P L. Summary of status of VOC reactivity estimates as of 3/6/98. California Air Resources Board, available from “http://cert.ucr.edu/~carter”, 1998

  3. Derwent R G, Jenkin M E, Saunders S M, et al. Photochemical ozone formation in northwest Europe and its control. Atmos Environ, 2003, 37: 1983–1991

    Article  Google Scholar 

  4. Carter W P L. Evaluation of a gas-phase atmospheric reaction mechanism for low NOx conditions. Final Report to the California Air Resources Board Contract No. 01-305, 2004

  5. Carter W P L, Lurmann F W. Evaluation of a detailed atmospheric reaction mechanism using environmental chamber data. Atmos Environ, 1991, 25A: 2771–2806

    Google Scholar 

  6. Xu Y F, Jia L, Ge M F, et al. A kinetic study of the reaction of ozone with ethylene in a smog chamber under atmospheric conditions. Chinese Sci Bull, 2006, 51: 2839–2843

    Article  Google Scholar 

  7. Jia L, Xu Y F, Ge M F, et al. Kinetic study of the gas-phase ozonolysis of propylene. Acta Phy-Chim Sin, 2006, 22: 1260–1265

    Article  Google Scholar 

  8. Du L, Xu Y F, Ge M F, et al. Smog chamber simulation of atmospheric photochemical reactions of acetylene and NOx (in Chinese). Chinese J Environ Sci, 2007, 28: 482–488

    Google Scholar 

  9. Kleffmann J, Becker K H, Wieses P. Heterogeneous NO2 conversion processes on acid surfaces possible atmospheric implications. Atmos Environ, 1998, 32: 2721–2729

    Article  Google Scholar 

  10. Aumont B, Chervier F, Laval S. Contribution of HONO sources to the NOx /HOx /O3 chemistry in the polluted boundary layer. Atmos Environ, 2003, 37: 487–498

    Article  Google Scholar 

  11. Rohrer F, Bohn B, Brauers T, et al. Characterisation of the photolytic HONO-source in the atmosphere simulation chamber SAPHIR. Atmos Chem Phy, 2005, 5: 2189–2201

    Article  Google Scholar 

  12. Moler C B. Numerical computing with MATLAB. Pressed by the Society for Industrial and Applied Mathematics, 2004

  13. Mentel T F, Bleilebens D, Wahner A. A study of nighttime nitrogen oxide oxidation in a large reaction chamber—the fate of NO2, N2O5, HNO3, and O3 at different humidities. Atmos Environ, 1996, 30: 4007–4020

    Article  Google Scholar 

  14. IUPAC. Summary of evaluated kinetic and photochemical data for atmospheric chemistry, IUPAC subcommittee on gas kinetic data evaluation for atmospheric chemistry web version February. 2006

  15. Carter W P L, Luo D, Malkina I L, et al. Environmental chamber studies of atmospheric reactivities of volatile organic compounds. effects of varying chamber and light source. Final Report to National Renewable Energy Laboratory, Contact XZ-2-12075. Coordinating Research Council, Inc., Project M-9, California Air Resources Board, Contract A032-0692, and South Coast Air Quality Management District, Contract C91323, 1995

  16. Carter W P L, Atkinson R, Winer A M et al. Evidence for chamber-dependent radical source: Impact on kinetic computer models for air pollution. Interna J Chem Kine, 1981, 13: 735–740

    Article  Google Scholar 

  17. Kelly N A. Characterization of fluorocarbon-film bags as Smog Chambers. Envir Sci Tech, 1982, 16: 763–770

    Article  Google Scholar 

  18. Leone J A, Flagan R C, Grosjean D, et al. An outdoor smog chamber and modeling study of toluene-NOx photooxidation. Intern J Chem Kine. 1985, 17: 177–216

    Article  Google Scholar 

  19. Meagher J F, Olszyna K J, Simonaitis R. Smog chamber study of H2O2 formation in ethane-NOx and propene-NOx mixtures. Intern J Chem Kine. 1990, 22: 719–740

    Article  Google Scholar 

  20. Liu Y C, Xu J, Wang S F, et al. Analysis of ozone precursor concentration and its weather conditions in summer in Beijing (in Chinese). J Liaoning Meteor and Envir, 2006, 22: 34–37

    Google Scholar 

  21. Carter W P L, Pierce J A, Luo D, et al. Environmental chamber study of maximum incremental reactivities of volatile organic compounds. Atmos Envir, 1995, 29: 2499–2511

    Article  Google Scholar 

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Authors and Affiliations

  1. State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China

    Long Jia & YongFu Xu

  2. Research Center for Atmospheric Environment, Beijing Normal University, Beijing, 100875, China

    Long Jia & GuoShun Zhuang

  3. Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100080, China

    MaoFa Ge & Lin Du

Authors
  1. Long Jia
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  2. YongFu Xu
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  3. MaoFa Ge
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  4. Lin Du
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  5. GuoShun Zhuang
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Corresponding author

Correspondence to YongFu Xu.

Additional information

Supported by the Knowledge Innovation Program of Chinese Academy of Sciences (Grant No. KJCX2-SW-H8).

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Jia, L., Xu, Y., Ge, M. et al. Smog chamber studies of ozone formation potentials for isopentane. Chin. Sci. Bull. 54, 4624–4632 (2009). https://doi.org/10.1007/s11434-009-0482-y

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  • DOI: https://doi.org/10.1007/s11434-009-0482-y

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