Imperial Chemical Industries Limited

Eric W Sims

David L Cresswell

Ralph J Doy

An inductively heatable reactor for effecting fluid phase chemical processes. The reactor comprises an inductively heatable, fluid permeable reactor element having at least one solid block in which is provided a plurality of fluid conveying ducts which extend through the reactor element in a substantially parallel arrangement from one end face thereof to the other.

Reactors for effecting chemical processes

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.

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Widnes, United Kingdom

Eric W Sims