The present invention provides a Fischer-Tropsch catalyst comprising greater than about 40% by weight of cobalt, and having a packed apparent bulk density greater than about 1.30 g/mL.

Disclosed is a catalyst useful for producing organic amines by catalytic amination, its preparation and application thereof, wherein the catalyst comprises an inorganic porous carrier containing aluminum and/or silicon and an active metal component supported on the carrier, the active metal component comprises at least one metal selected from the group consisting of Group VIII and Group IB metals, and the carrier has an ammonia adsorption capacity of 0.25 to 0.65 mmol/g, as measured by NH.sub.3-TPD test. The catalyst has an improved performance, when used for producing organic amines by catalytic amination.

Systems are provided for a diesel oxidation catalyst. In one example, the diesel oxidation catalyst comprises a washcoat with different catalytically active portions for reacting with one or more of carbon containing compounds and NO.sub.x. The diesel oxidation catalyst is located upstream of a particulate filter in an exhaust passage.

The invention provides a catalyst article including a substrate underlying a multi-layer catalyst composition and a multi-layer catalyst composition comprising a first layer and a second layer, the first layer positioned between the substrate and the second layer, wherein the first layer comprises a first porous refractory oxide material impregnated with at least one base metal component and the second layer comprises a second porous refractory oxide material impregnated with at least one platinum group metal. Either the second porous refractory oxide material is a porous refractory oxide material other than alumina or the catalyst composition further comprises an intermediate layer between the first layer and the second layer, the intermediate layer comprising a refractory oxide material other than alumina. Methods of making and using the catalyst article are also provided, as well as emission treatment systems comprising the catalyst article.

In relation to a Cu-based delafossite-type oxide that is effective as an exhaust gas purification catalyst, Cu is placed in a high catalytic activity low-valence state, whereby a novel Cu-based delafossite-type oxide having higher activity than in the past is provided. Proposed is a delafossite-type oxide for an exhaust gas purification catalyst that is represented by a general formula ABO.sub.2, wherein Cu and Ag are contained in the A site of the general formula, one or two or more elements selected from the group consisting of Mn, Al, Cr, Ga, Fe, Co, Ni, In, La, Nd, Sm, Eu, Y, V, and Ti are contained in the B site of the general formula, and Ag is contained at a ratio of 0.001 at. % or more and less than 20 at. % in the A site of the general formula.

The present invention relates to catalysts, more particularly to a cobalt-containing catalyst composition. The present invention further relates to a process for preparing a cobalt-containing catalyst precursor, a process for preparing a cobalt-containing catalyst, and a hydrocarbon synthesis process wherein such a catalyst is used. According to a first aspect of the invention, there is provided a cobalt-containing catalyst composition comprising cobalt and/or a cobalt compound supported on and/or in a silica (SiO.sub.2) catalyst support wherein the average pore diameter of the catalyst support is more than 20 nm but less than 50 nm; the catalyst composition also including a titanium compound on and/or in the catalyst support, and a manganese compound on and/or in the catalyst support.

A process for producing a hydrogen-rich gas stream from a liquid hydrocarbon stream, the process comprising the steps of introducing the liquid hydrocarbon stream to a dual catalytic zone, the liquid hydrocarbon stream comprises liquid hydrocarbons selected from the group consisting of liquid petroleum gas (LPG), light naphtha, heavy naphtha, gasoline, kerosene, diesel, and combinations of the same, the dual catalytic zone comprises: a combustion zone comprising a seven component catalyst, and a steam reforming zone, the steam reforming zone comprising a steam reforming catalyst; introducing steam to the dual catalytic zone, introducing an oxygen-rich gas to the dual catalytic zone; contacting the liquid hydrocarbon stream, steam, and oxygen-rich gas with the seven component catalyst to produce a combustion zone fluid; and contacting the combustion zone fluid with the steam reforming catalyst to produce the hydrogen-rich gas stream, wherein the hydrogen-rich gas stream comprises hydrogen.

A catalyst for converting a synthesis gas, said catalyst comprising a first catalyst component and a second catalyst component, wherein the first catalyst component comprises, supported on a first porous oxidic substrate, Rh, Mn, an alkali metal M and Fe, and wherein the second catalyst component comprises, supported on a second porous oxidic support material, Cu and a transition metal other than Cu.

Provided herein are catalyst materials and processes for processing hydrocarbons. For example, doped ceria-supported metal catalysts are provided exhibiting good activity and stability for commercially relevant DRM process conditions including low temperature and long term operation.

A method of reducing an aromatic ring under relatively mild condition using sub-nano particles of a transition metal supported on super paramagnetic iron oxide nanoparticles (SPIONs). The catalyst is efficient for catalyzing the reduction of both carbocyclic and heterocyclic compound. In compound comprising both carbocyclic and heterocyclic aromatic rings, the catalyst displays high regioselectivity for the heterocyclic ring.