Catalytic vapor phase process for producing dihydrocarbyl carbon

Details Catalytic vapor phase process for producing dihydrocarbyl carbon Catalytic vapor phase process for producing dihydrocarbyl carbon

1987-09-17

1991-04-02

Garner, Vivian

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

Organic compounds

Carbonate esters

502 35, 502 37, 558260, 558275, C07C 6800, C07C 6996

Patent

active

050048279

ABSTRACT:
A process for the preparation of dihydrocarbyl carbonates comprising contacting an alkanol such as methanol, carbon monoxide and oxygen with a heterogeneous catalyst which comprises a metal halide such as cupric chloride or a mixed metal halide such as cupric chloride/potassium chloride impregnated on an appropriate support such as activated carbon; and a process for reactivating metal halide catalysts supported on porous carrier materials comprising drying and then contacting the supported catalysts with a gaseous stream of hydrogen halide for a period of time which is sufficient to convert all of the metal present in whatever form to the corresponding metal halide.

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