C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/657.1
C07C 17/26 (2006.01) B01J 6/00 (2006.01) C07C 17/269 (2006.01) C07C 21/18 (2006.01) H05B 6/02 (2006.01)
Patent
CA 1280769
QM 34268 Abstract Process for the production of tetrafluoroethylene and hexafluoropropylene which allows these monomers to be formed in very high combined selectivity, which process comprises the 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°C-980°C (preferably 800°C-980°C), and the gaseous residence time is within the range 1 to 50 milliseconds. A fluid phase electromagnetic induction reactor suitable for use in effecting the process is described.
563847
Cresswell David Leslie
Sims Eric William
Imperial Chemical Industries Plc
Marks & Clerk
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