Production of tetrafluoroethylene and hexafluoropropylene

Details Production of tetrafluoroethylene and hexafluoropropylene Production of tetrafluoroethylene and hexafluoropropylene

1988-03-22

1989-07-18

Evans, J. E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

422200, 422239, C07C 1724, C07C 1726, C07C 2118

Patent

active

048495549

ABSTRACT:
Production of tetrafluoroethylene and hexafluoropropylene in very high combined selectivity by pyrolysis of chlorodifluoromethane, optionally using gaseous diluent wherein the pyrolysis is effected under substantially isothermal and uniform conditions, the reaction temperature is within the range 750.degree.-980.degree. C. (preferably 800.degree.-980.degree. C.), and the gaseous residence time is within the range 1 to 50 milliseconds. A fluidphase electromagnetic induction reactor suitable for effecting the process is described.

REFERENCES:
patent: 2994723 (1961-08-01), Scherer et al.
patent: 3308174 (1967-03-01), Edwards et al.
patent: 3338980 (1967-08-01), Gozzo

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