Estimated photochemical ozone creation potentials (POCPs) of CF3CFCH2 (HFO-1234yf) and related hydrofluoroolefins (HFOs) |
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| Authors: | TJ Wallington MP Sulbaek Andersen OJ Nielsen |
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| Institution: | 1. System Analytics and Environmental Sciences Department, Ford Motor Company, Mail Drop RIC-2122, Dearborn, MI 48121-2053, USA;2. Department of Chemistry, 572 Rowland Hall, University of California, Irvine, Irvine, CA 92697-2025, USA;3. Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark;1. School of Chemical Engineering & Environment, Beijing Institute of Technology, 5 South Zhongguangcun Street, Haidian District, Beijing 100081, PR China;2. National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan;1. Departamento de Química Física, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha, Avenida Camilo José Cela 1B, 13071 Ciudad Real, Spain;2. Instituto de Investigación en Combustión y Contaminación Atmosférica, Universidad de Castilla-La Mancha, Camino de Moledores s/n, 13071 Ciudad Real, Spain;1. Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, College of Power Engineering, Chongqing University, Chongqing 400030, China;2. College of Aerospace Engineering, Chongqing University, Chongqing 400030, China;1. INFIQC (CONICET- Facultad de Ciencias Químicas, Universidad Nacional de Córdoba). Dpto. de Fisicoquímica, Ciudad Universitaria, 5000 Córdoba, Argentina;2. Physikalische Chemie/FB-C, Bergische Universität Wuppertal, Wuppertal, Germany;1. Institute of Energy Systems, Faculty of Mechanical Engineering, Technische Universität München, Boltzmannstrasse 15, 85748 Garching, Germany;2. The Bavarian Center for Applied Energy Research (ZAE Bayern), Division 1, Technology for Energy Systems and Renewable Energy, Walther-Meissner-Str. 6, 85748 Garching, Germany |
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| Abstract: | The photochemical ozone creation potentials (POCPs) for CF3CF CH2 and other commercially significant hydrofluoroolefins have been estimated for the first time. CF3CFCH2 (HFO-1234yf) has a POCP of 7.0 which is less than that for ethane (12.3) and greater than for methane (0.6). Methane and ethane have sufficiently low POCPs that they are usually considered unreactive with respect to ozone formation in urban areas and accordingly are exempt from volatile organic compound (VOC) emission regulations. Estimated POCPs for other hydrofluoroolefins are: CH2CF2, 18.0; CF2CF2, 12.5; CH2CHCF3, 10.7; CF2CFCF3, 5.4; Z-CHFCFCF3, 5.6; E-CHFCFCF3, 7.3; CH2CHCF2CF3, 6.6; and t-CHFCHCF3, 6.4. |
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