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Hydrodechlorination of dichlorodifluoromethane (CFC-12) over Pd/Al2O3 and Pd-Au/Al2O3 catalysts

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Abstract

During an initial stage of the reaction of CCl2F2 with hydrogen on alumina-supported Pd and Pd-Au catalysts, an extensive defluorination occurs. However, at steady state, this undesired defluorination is greatly reduced; CH4 and CH2F2 constitute the only major reaction products. A temperature programmed hydrogen treatment study shows retention of fluorine (and carbon) in used catalysts.

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Authors and Affiliations

  1. Institute of Physical Chemistry of the, Polish Academy of Sciences, ul. Kasprzaka 44/52, PL-01224, Warszawa, Poland

    Marta Legawiec-Jarzyna, Anna Srebowata & Zbigniew Karpinski

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  1. Marta Legawiec-Jarzyna
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  2. Anna Srebowata
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  3. Zbigniew Karpinski
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Legawiec-Jarzyna, M., Srebowata, A. & Karpinski, Z. Hydrodechlorination of dichlorodifluoromethane (CFC-12) over Pd/Al2O3 and Pd-Au/Al2O3 catalysts. Reaction Kinetics and Catalysis Letters 79, 157–163 (2003). https://doi.org/10.1023/A:1024128305615

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