Abstract: A catalyst is provided which comprises a hydrogenation component composited with an alumina-containing support. The catalyst has a median pore radius ranging from about 70 to about 95 Angstroms and a specified pore size distribution. A preferred catalyst is cobalt-molybdenum on alumina. Also provided is a hydrotreating process utilizing said catalyst.

Abstract: A catalyst is provided which comprises a hydrogenation component composited with an alumina-containing support. The catalyst has a median pore radius ranging from about 70 to about 95 Angstroms and a narrow specified pore size distribution in a range of 10 Angstroms above and 10 Angstroms below the median pore radius. A preferred catalyst is cobalt-molybdenum on alumina. Also provided is a hydrodesulfurization process utilizing said catalyst.

Abstract: Hydrogen is produced by reacting carbon monoxide with steam at a temperature of at least 200.degree. F. in the presence of a supported catalyst containing: (1) at least one alkali metal compound derived from an acid having an ionization constant below 1 .times. 10.sup.-3, (2) a metallic hydrogenation- dehydrogenation material, and (3) a halogen moiety. The ratio of metal component to alkali metal compound, each calculated on the basis of the oxide thereof, ranges from 0.0001 to about 10 parts by weight per part by weight of the alkali metal compound. The halide constituent is present in amounts in excess of about 0.01 weight %, based on total catalyst. A preferred catalyst composition comprises potassium carbonate, a mixture of cobalt and molybdenum oxides and combined chlorine contained on an alumina support.

Abstract: A two-stage hydrotreating process is provided in which a heavy hydrocarbon feed is treated with hydrogen and a small pore catalyst in a first zone and the hydrotreated hydrocarbon product is treated in a second zone with hydrogen and a larger pore catalyst having a specific pore size distribution.

Abstract: Hydrogen is produced by reacting carbon monoxide with steam at a temperature of at least 200.degree.F. in the presence of a supported catalyst containing: (1) at least one alkali metal compound derived from an acid having an ionization constant below 1 .times. 10.sup..sup.-3, (2) a metallic hydrogenation-dehydrogenation material, and (3) a halogen moiety. The ratio of metal component to alkali metal compound, each calculated on the basis of the oxide thereof, ranges from 0.0001 to about 10 parts by weight per part by weight of the alkali metal compound. The halide constituent is present in amounts in excess of about 0.01 weight %, based on total catalyst. A preferred catalyst composition comprises potassium carbonate, a mixture of cobalt and molybdenum oxides and combined chlorine contained on an alumina support.