Gas-phase reaction of CCl2F2 (CFC-12) with methane
Uddin, Md.A., Kennedy, E.M. and Dlugogorski, B.Z. (2003) Gas-phase reaction of CCl2F2 (CFC-12) with methane. Chemosphere, 53 (9). pp. 1189-1191.
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Gas-phase reaction of CFC-12 (CCl2F2) with methane was carried out in a plug flow reactor over the temperature range of 873-1123 K. The major organic halocarbons formed during the reaction were C 2F4, C2H2F2, CHClF 2, CH3Cl, C3H2F6 and CCl3F. The formation of all products except C2H 2F2 decreased with temperature, while the selectivity to C2H2F2 (difluoroethylene) increased with temperature and reached ≈80% at 1123 K. Under these reaction conditions, methane acts as hydrogen and carbon source, resulting in the formation of an unsaturated C2 hydrofluorocarbon from two C1 precursors.
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|Copyright:||© 2003 Elsevier Ltd.|
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