| abstract |
THIS DISCLOSURE DESCRIBES A METHOD FOR PREPARING CATALYSTS RESISTANT TO ATTRITION OR OTHER TYPES OF PHYSICAL DEGRADATION. THE CATALYSTS ARE FORMED BY BLENDING CATALYST PRECURSORS, SUCH AS METALLIC HYDROXIDES, OXIDES, OR SALTS, OR MIXTURES THEREOF, WITH A CLAY-TALC BINDER, ADDING SUFFICIENT MOISTURE TO RENDER THE MIXTURE PLIANT, FORMING THE PLIANT MIXTURE INTO A SHAPE USEFUL IN A CATALYTIC REACTOR, AND THEN HEATING THE MIXTURE TO HARDEN THE BINDER AND TRANSFORM THE METALLIC OXIDES, HYDROXIDES, AND SALTS TO USEFUL CATALYTIC FORM. A WIDE VARIETY OF CATALYSTS MAY BE PREPARED, USEFUL IN SUCH REACTIONS AS HYDROGENATION, OXYDEHYDROGENATION, DEHYDROHALOGGENATION, OXIDATION, DEALKYLATION, DISPROPORTIONATION, AUTOMOBILE EMISSION CONTROL, ETC. |