C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/08 (2006.01) C07C 17/38 (2006.01) C07C 17/395 (2006.01)
Patent
CA 2207993
Pour éliminer les impuretés oléfiniques présentes dans un hydrofluorocarbure tel que le pentafluoroéthane (R-125), on traite l'hydrofluorocarbure impur par de l'oxygène en l'absence de catalyseur ou de charbon actif. Le procédé convient bien à la purification des fluoroéthanes et, plus particulièrement, à celle du pentafluoroéthane
Lacroix Eric
Sage Jean-Marc
Elf Atochem S.a.
Robic
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