Aluminum fluoride-based catalyst for the gas-phase fluorination of hydrocarbons
Abstract
Abstract A CATALYST IS DISCLOSED FOR PREPARING FLUORINATED OR CHLOROFLUORINATED HYDROCARBONS BY FLUORINATION OR CHLOREFLUORINATION OR DISPROPORTIONATION REACTIONS OR CHLOPHASE, WHICH CATALYST COMPRISES ALUMINUM FLUORIDE CONTAINING MINOR QUANTITIES OF ZINC, CHROMIUM, NICKEL AND PREFEABLY ALSO IRON COMPOUNDS WHICH ARE PRESENT IN QUANTITIES CORRESPONDING TO THE FOLLOWING PRECENTAGES BY WEIGHT OF METAL BASED ON THE TOTAL: FROM 0.05 TO 5% ZN, FROM 0.05 TO 5% CR, FROM 0.05 TO 5% NI, AND UP TO 3% FE. THE ZINCE, CHROMIUM, NICKEL AND IRON, IF ANY, ARE PRESENT AT LEAST PARTLY IN THE FORM OF HALIDES, IN PARTICULAR FLUORIDES, OR OXIDES OR OXY-HALIDES. A PROCESS FOR PARPARING THE CATALYST IS DISCLOSED, AS WELL AS VARIOUS DETAILS RELATING TO THE AFORESAID PROCESS FOR USING THE CATALYST.
Inventors
- 👤 G Groppelli
- 👤 M Vecchio
- 👤 V Fattore
- 👤 L Lodi
- 👤 R Covini
Bibliographic Details
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