Cited by 95Atmospheric Ozone and ClimateAtmospheric chemistry and aerosolsRefrigeration and Air Conditioning Technologies

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Future Emissions and Atmospheric Fate of HFC-1234yf from Mobile Air Conditioners in Europe

Abstract

HFC-1234yf (2,3,3,3-tetrafluoropropene) is under discussion for replacing HFC-134a (1,1,1,2-tetrafluoroethane) as a cooling agent in mobile air conditioners (MACs) in the European vehicle fleet. Some HFC-1234yf will be released into the atmosphere, where it is almost completely transformed to the persistent trifluoroacetic acid (TFA). Future emissions of HFC-1234yf after a complete conversion of the European vehicle fleet were assessed. Taking current day leakage rates and predicted vehicle numbers for the year 2020 into account, European total HFC-1234yf emissions from MACs were predicted to range between 11.0 and 19.2 Gg yr(-1). Resulting TFA deposition rates and rainwater concentrations over Europe were assessed with two Lagrangian chemistry transport models. Mean European summer-time TFA mixing ratios of about 0.15 ppt (high emission scenario) will surpass previously measured levels in background air in Germany and Switzerland by more than a factor of 10. Mean deposition rates (wet + dry) of TFA were estimated to be 0.65-0.76 kg km(-2) yr(-1), with a maxium of ∼2.0 kg km(-2) yr(-1) occurring in Northern Italy. About 30-40% of the European HFC-1234yf emissions were deposited as TFA within Europe, while the remaining fraction was exported toward the Atlantic Ocean, Central Asia, Northern, and Tropical Africa. Largest annual mean TFA concentrations in rainwater were simulated over the Mediterranean and Northern Africa, reaching up to 2500 ng L(-1), while maxima over the continent of about 2000 ng L(-1) occurred in the Czech Republic and Southern Germany. These highest annual mean concentrations are at least 60 times lower than previously determined to be a safe level for the most sensitive aquatic life-forms. Rainwater concentrations during individual rain events would still be 1 order of magnitude lower than the no effect level. To verify these results future occasional sampling of TFA in the atmospheric environment should be considered. If future HFC-1234yf emissions surpass amounts used here studies of TFA accumulation in endorheic basins and other sensitive areas should be aspired.

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Crossref · 10.1021/es2034608

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Research works printed but not linked: 4

  1. Lifongo L. L., 2010, Int. J. Phys. Sci., 5, 738
  2. Clodic, D.; Yu, Y.; Tremoulet, A.; Palandre, L.; Fayolle, F.; Castel, J.; Lallemand, J. A.; Dujardin, B.Research study on the definition of the implementation of a method of measurement of annual leakflowrates (LFRs) of MAC systems.ACEA/ARMINES 2006, in press.
  3. Yang X., 2008, Geophys. Res. Lett., 35
  4. Montzka S. A., 2011, Scientific Assessment in Ozone Depletion: 2010

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Metadata

Authors
Henne, S., Shallcross, D. E., Reimann, S., Xiao, P., Brunner, D., O’Doherty, S., & Buchmann, B.
Affiliations
  • Empa (CH)
  • University of Bristol (GB)
Corresponding author
Henne, Stephan
Venue
Environmental Science & Technology
Published
2012-01-24
Volume
46
Issue
3
Pages
1650-1658
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2118549312
Cited by
95
References
47
Citations by year
2026: 6 · 2025: 10 · 2024: 8 · 2023: 4 · 2022: 7 · 2021: 17 · 2020: 3 · 2019: 2 · 2018: 5 · 2017: 5 · 2016: 7 · 2015: 4 · 2014: 7 · 2013: 6 · 2012: 4
FWCI
4.59
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science & Technology (publishedVersion)
  • PubMed (publishedVersion)
  • DORA Empa (Swiss Federal Laboratories for Materials Science and Technology (Empa)) (submittedVersion)
  • Explore Bristol Research (submittedVersion)
  • Bristol Research (University of Bristol) (submittedVersion)
Funders
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
  • Natural Environment Research Council (NE/I014381/1, NE/G01972X/1, NE/J009008/1)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric Ozone and Climate
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric chemistry and aerosols
  • Physical Sciences › Engineering › Mechanical Engineering › Refrigeration and Air Conditioning Technologies
Keywords
trifluoroacetic acid, refrigerant emissions, atmospheric fate, wet and dry deposition, rainwater contamination, aquatic toxicity, endorheic basin
MeSH terms
Air Conditioning, Air Movements, Air Pollutants, Atmosphere, Europe, Fluorocarbons, Forecasting, Geography, Hydrocarbons, Fluorinated, Models, Theoretical, Rain, Trifluoroacetic Acid, Motor Vehicles

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