Production process of hydrofluorocarbons

Details Production process of hydrofluorocarbons Production process of hydrofluorocarbons

2006-08-22

2006-08-22

Barts, Samuel (Department: 1621)

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

Organic compounds

Halogen containing

C570S101000, C570S123000, C570S161000, C570S163000, C570S165000, C570S166000, C570S167000, C570S168000, C570S170000, C570S172000, C570S191000

Reexamination Certificate

active

07094934

ABSTRACT:
In a process for producing a hydrogen-containing fluorinated hydrocarbon in which a halogenated hydrocarbon reaction raw material, which includes a chlorinated alkene and/or a hydrogen-containing chlorinated alkane, is subjected to a fluorination reaction with hydrogen fluoride in a liquid phase in a reactor in the presence of a fluorination catalyst to obtain a reaction mixture which includes the hydrogen-containing fluorinated hydrocarbon, the reactor to be used has a portion which is able to contact with the reaction mixture, at least a part of this portion being made of an alloy material of 18 to 20% by weight of chromium, 18 to 20% by weight of molybdenum, 1.5 to 2.2% by weight of at least one element selected from niobium and tantalum and the balance of nickel.

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Chemical Engineering, vol. 106, No. 7, Jul. 1999, p. 21.

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