Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Gas or vapor treating
Patent
1991-03-01
1992-07-21
Konopka, Paul E.
Catalyst, solid sorbent, or support therefor: product or process
Regenerating or rehabilitating catalyst or sorbent
Gas or vapor treating
502 35, 502181, 502225, B01J 2394, B01J 2732, B01J 3844, B01J 3842
Patent
active
051322595
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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Konopka Paul E.
The Dow Chemical Company
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