A catalyst includes a support, where the support includes an external surface, about 60 wt % to about 99 wt % silica, and about 1.0 wt % to about 5.0 wt % alumina. A catalytic layer is disposed within the support adjacent to the external surface, where the catalytic layer further includes Pd, Au, and potassium acetate (KOAc). In the catalyst, (a) the KOAc is from about 60 kg/m.sup.3 to about 150 kg/m.sup.3 of the catalyst; or (b) the catalytic layer has an average thickness from about 50 m to about 150 m; or (c) both (a) and (b). The catalyst also possesses a Brunauer-Emmett-Teller surface area of about 130 m.sup.2/g to about 300 m.sup.2/g and a geometric surface area per packed bed volume from about 550 m.sup.2/m.sup.3 to about 1500 m.sup.2/m.sup.3. The catalyst is highly active for the synthesis of vinyl acetate monomer and exhibits a high selectivity for vinyl acetate monomer.

A unique process and catalyst is described that operates efficiently for the direct production of a high cetane diesel type fuel or diesel type blending stock from stochiometric mixtures of hydrogen and carbon monoxide. This invention allows for, but is not limited to, the economical and efficient production high quality diesel type fuels from small or distributed fuel production plants that have an annual production capacity of less than 10,000 barrels of product per day, by eliminating traditional wax upgrading processes. This catalytic process is ideal for distributed diesel fuel production plants such as gas to liquids production and other applications that require optimized economics based on supporting distributed feedstock resources.

The invention relates to an oligomerization catalyst comprising nickel oxide and silica-alumina support material and to a process for oligomerization of C.sub.3- to C.sub.6-olefins using the oligomerization catalyst.

A catalysis substrate, which includes an open cell carbon foam substrate having a geometric surface area of at least about 5000 m.sup.2/m.sup.3, wherein the substrate includes a catalytic metal.

A substrate for a catalytic converter, comprising an open cell carbon foam having a geometric surface area of at least about 5000 m.sup.2/m.sup.3 and a permeability of at least about 8.0 darcys.

A substrate for a catalytic converter, comprising an open cell carbon foam having a geometric surface area of at least about 5000 m.sup.2/m.sup.3 and a permeability of at least about 8.0 darcys.

A substrate for a catalytic converter, comprising an open cell carbon foam having a geometric surface area of at least about 5000 m.sup.2/m.sup.3 and a permeability of at least about 8.0 darcys.

Porous, extruded titania-based materials further comprising one or more quaternary ammonium compounds and/or prepared using one or more quaternary ammonium compounds, Fischer-Tropsch catalysts comprising them, uses of the foregoing, processes for making and using the same and products obtained from such processes.

The present invention relates to a composition for use in a catalyst system in emission control systems comprising a transition alumina based material and rare earth phosphates and to a method for making same.

Provided is a silica titania composite aerogel particle including a base particle in which an element ratio Si/Ti of silicon to titanium is greater than 0 and equal to or lower than 6. A BET specific surface area of the silica titania composite particle is within a range of 200 m.sup.2/g to 1200 m.sup.2/g, and the silica titania composite particle has absorption at wavelengths of 450 nm and 750 nm.