摘要:
THIS DISCLOSURE DESCRIBES HYDROGENATION CATALYSTS COMPRISING NICKEL OR COPPER DEPOSITED ON A HIGHLY PURE SILICA CARRIER. THE CATALYSTS ARE PREPARED BY REACTION BETWEEN A WATER SOLUBLE SALT OF THE METAL AND AN ALKALINE REAGENT SUCH AS SODIUM HYDROXIDE IN WATER. THE INSOLUBLE METALLIC COMPOUND WHICH PRECIPITATES IS WASHED AND DRIED. IT IS THEN REDUCED WITH HYDROGEN AT AN ELEVATED TEMPERATURE.