Carboxylic acid production
AssigneeShell Oil Company
InventorLynn H. Slaugh
Life of this patent
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Abstract
Carboxylic acids are produced in high yield by contacting alcohols, water and hydrogen with a Cu-Zn-Cr-base promoter/alumina catalyst.
Claims12
A process for converting alcohols to carboxylic acids which process comprises contacting in the vapor phase said alcohols, water and added hydrogen at a temperature ranging from about 200.degree. C. to about 500.degree. C. with a catalyst comprising catalytically effective amounts of copper, zinc, chromium and a promoter selected from the group consisting of alkali metals, alkaline earth metals, rare earth metals and mixtures thereof supported on a porous refractory support.
A process for converting alcohols to carboxylic acids which process comprises contacting in the vapor phase said alcohols, water and added hydrogen at a temperature ranging from about 250.degree. C. to about 400.degree. C. with a catalyst comprising copper, zinc, chromium and a promoter selected from the group consisting of alkali metals, alkaline earth metals, rare earth metals and mixtures thereof supported on a porous alumina support having a surface area greater than about 100 m.sup.2 /g wherein the copper, measured as the metal, ranges from about 0.1 to about 20 percent by weight of the total catalyst, the zinc, measured as the metal, ranges from about 0.1 to about 10 percent by weight of the total catalyst the chromium, measured as the metal, ranges from about 0.1 to about 5 percent by weight of the total catalyst and the promoter, measured as the metal, ranges from about 0.1 to about 5 percent by weight of the total catalyst.
Dependencies are inferred from the claim text.