Processes for purification and production of fluorocarbons

Details Processes for purification and production of fluorocarbons Processes for purification and production of fluorocarbons

C - Chemistry, Metallurgy

07

C

C07C 17/38 (2006.01) C07C 17/087 (2006.01) C08F 14/28 (2006.01)

Patent

CA 2475045

The present invention involves processes that utilize an olefinic compound, in particular, hexafluoropropene (HFP) or chlorotrifluoroethene (CFC-1113) as extracting agents in the purification of pentafluoroethane (HFC-125). These processes can utilize recovered HFP as a precursor for the production of heptafluoropropane (HFC-227) or other derivatives.

La présente invention concerne des procédés qui utilisent un composé oléfinique, en particulier de l'hexafluoropropène (HFP) ou du chlorotrifluoroéthène (CFC-1113), en tant qu'agent d'extraction dans la purification du pentafluoroéthane (HFC-125). Ces procédés peuvent utiliser de l'hexafluoropropène récupéré en tant que précurseur pour la production d'heptafluoropropane (HFC-227) ou d'autres dérivés.

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