Oxychlorination of ethylene with fluid bed catalyst

Details Oxychlorination of ethylene with fluid bed catalyst Oxychlorination of ethylene with fluid bed catalyst

1974-12-23

1977-11-08

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260662A, C07C 1702

Patent

active

040575926

ABSTRACT:
The process of oxychlorination of ethylene to produce a product in which at least 15 molar per cent of the ethylene is transformed to 1,1,2-trichloroethane and 1,1,2,2-tetrachloroethane along with 1,2-dichloroethane and other more highly chlorinated saturated C.sub.2 compounds, the steps of passing a gaseous feed mixture of ethylene, hydrochloric acid and an oxygen-containing gas, with or without additional 1,2-dichloroethane, through a reaction zone at a temperature of 280.degree. to 370.degree. C, using a fluidized bed catalyst, and in which the molar feed ratios of the reactants are O.sub.2 /C.sub.2 H.sub.4 within the range of above 0.9 to 1.5, HCl/O.sub.2 within the range of 1.40 to 3.00, HCl/C.sub.2 H.sub.4 within the range of 2.20 to 3.65, and which, when 1,2-dichloroethane is present in the feed mixture, the latter is present in a molar proportion with respect to ethylene of less than 2.

REFERENCES:
patent: 2846484 (1958-08-01), Fox
patent: 3579597 (1971-05-01), Antonini et al.
patent: 3642918 (1972-02-01), Bohl et al.
patent: 3907912 (1975-09-01), Antonini et al.
Mantell, Adsorption, pp. 44, 45 and 48, (1951).

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