Gas-phase fluorination process

Details Gas-phase fluorination process Gas-phase fluorination process

C - Chemistry, Metallurgy

07

C

260/658.2

C07C 17/20 (2006.01) C07C 19/08 (2006.01)

Patent

CA 1310335

TITLE GAS-PHASE FLUORINATION PROCESS ABSTRACT OF THE DISCLOSURE An improved process is disclosed for the manufacture of 1,1,1,2-tetrafluoroethane, more particularly, a gas-phase reaction of 1,1,1-trifluorochloroethane with hydrogen fluoride in the presence of a catalyst, a selected metal on aluminum fluoride, and molecular oxygen which process minimizes the oxidation of liberated hydrogen chloride to chlorine and water, extends catalyst life and improves yield. CR-8590

590421

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