SUPPORTED GOLD CATALYSTS

摘要

The invention provides a process for the production of a supported gold catalyst suitable for catalysing the oxidation of carbon monoxide to carbon dioxide, which comprises: (a) impregnating a porous support with a solution of gold compound and with a basic solution, using an incipient wetness impregnation technique, such that gold hydroxide is precipitated in the pores of the support; wherein when step (a) involves the use of a compound comprising chloride, the process further comprises: (b) removing chloride from the sample. The catalyst formed by the process is surprisingly effective in catalysing the oxidation of carbon monoxide to carbon dioxide at room temperature.