Carbonylation process with in situ regeneration of mordenite catalyst

A process for the carbonylation of dimethyl ether, dimethyl carbonate and/or methanol with carbon monoxide and hydrogen in the presence of a mordenite catalyst to produce at least one of acetic acid and methyl acetate in which process the mordenite catalyst is regenerated in-situ by contacting the c...

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Main Authors SCHUNK STEPHAN ANDREAS, SMIT MARTIN, LAW DAVID JOHN, MORRIS GEORGE ERNEST, SUNLEY JOHN GLENN, ROBERTS MARK STEPHEN, DITZEL EVERT JAN
Format Patent
LanguageEnglish
Published 17.04.2012
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:A process for the carbonylation of dimethyl ether, dimethyl carbonate and/or methanol with carbon monoxide and hydrogen in the presence of a mordenite catalyst to produce at least one of acetic acid and methyl acetate in which process the mordenite catalyst is regenerated in-situ by contacting the catalyst with a regenerating gas comprising a molecular oxygen-containing gas and an inert diluent at a total pressure in the range 1 to 100 bar and wherein the partial pressure of the molecular oxygen-containing gas is such that the temperature of the catalyst is maintained within the range 225 to 325° C.
Bibliography:Application Number: US20080735123