The invention is in the field of catalysis. More specifically, the invention relates to a process for preparing a protected metal catalyst on a support; a matrix particle comprising the protected metal catalyst; and, a process for hydrogenating a hydrocarbon resin feedstock using the protected metal catalyst.

There are provided an exhaust gas-purifying three-way catalyst having a large palladium surface area and excellent in heat resistance and three-way purification performance, easy to produce, and also excellent in productivity, and a method for producing the same, an exhaust gas-purifying catalytic converter, and the like. An exhaust gas-purifying three-way catalyst comprising at least at least one selected from the group consisting of base material particles (A) of a Nd-solid dissolved zirconia-based complex oxide comprising Nd and Zr as constituent metal elements in the following mass proportions in terms of oxides, and base material particles (B) of a La-solid dissolved zirconia-based complex oxide comprising La and Zr, and optionally Nd, as constituent metal elements in the following mass proportions in terms of oxides; and Pd catalyst particles supported on the at least one selected from the group consisting of the base material particles (A) and the base material particles (B), under a reducing atmosphere:

TABLE-US-00001 (Nd-solid dissolved zirconia-based complex oxide) ZrO.sub.2 50 to 75% by mass Nd.sub.2O.sub.3 25 to 50% by mass (La-solid dissolved zirconia-based complex oxide) ZrO.sub.2 50 to 80% by mass La.sub.2O.sub.3 20 to 50% by mass Nd.sub.2O.sub.3 0 to 20% by mass

with a total amount of La.sub.2O.sub.3 and Nd.sub.2O.sub.3 being 20 to 50% by mass.

The invention relates to a method for the catalyzed decomposition of lignin with a high yield and high selectivity for phenolic building blocks and with minimal formation of the coke fraction, and to a catalyst suitable for the method. The catalyst contains a basic carrier material, platinum at a weight percentage of 1-10 wt. % and nickel at a weight percentage of 0-5 wt. %. The method comprises: providing a reaction mixture comprisinglignin, the catalyst and a solvent; and heating the reaction mixture so as to obtain a mixture comprisinga product mix, the catalyst and the solvent.

An example of the present invention provides a metal composite catalyst for ammonia decomposition and hydrogen production including a carrier; and Ni metal particles dispersed on a surface of the carrier or inside a pore, in which a content of the Ni metal particle is 15 to 70 parts by weight with reference to 100 parts by weight of the metal composite catalyst, and a diameter of the Ni metal particle is 60 nm or less. More specifically, the metal composite catalyst according to an example of the present invention is manufactured by an ultrasonic method, includes an aging step, and exhibits high efficiency and economy in ammonia decomposition and hydrogen production processes.

Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed in which the hydrocarbon reactant and either a supported chromium (VI) catalyst or a supported chromium (II) catalyst are contacted, optionally with UV-visible light irradiation, followed by exposure to an oxidizing atmosphere and then hydrolysis to form a reaction product containing the alcohol compound and/or the carbonyl compound. The presence of oxygen significant increases the amount of alcohol/carbonyl product formed, as well as the formation of oxygenated dimers and trimers of certain hydrocarbon reactants.

A catalyst precursor suitable for the Fischer Tropsch reaction is described comprising cobalt oxide supported on a porous support wherein the porous support is a ceramic foam comprising a closed cell structure.

A catalyst precursor suitable for the Fischer Tropsch reaction is described comprising cobalt oxide supported on a porous support wherein the porous support is a ceramic foam comprising a closed cell structure.

A layered emission control device for an engine system is provided, including a plurality of catalytic layers, the catalytic layers optionally or additionally comprising sublayers, each sublayer having a distinct composition. Advantages of such a device include providing increased treatment rates of one or more engine exhaust gas species over a wide range of engine exhaust operating conditions, while reducing exhaust emissions, and reducing a size of the emissions control system.

An improved methane oxidation catalyst including tin oxide-supported platinum exerts superior methane oxidation activity at lower temperatures. The methane oxidation catalyst for oxidizing methane in exhaust gas includes platinum supported on tin oxide, and satisfies formula (1): y0.27 x, where x is a platinum content (wt %) relative to tin oxide, and y is a ratio of a peak intensity of (111)-faceted platinum relative to a peak intensity of (111)-faceted tin oxide (Pt(111)/SnO.sub.2(111)), in a diffraction pattern (2=37 to 41) obtained by measurement with an X-ray diffractometer (XRD).

Disclosed is a system for managing wireless transmitting devices in which a wireless transmission from a transmission device is detected within or about a set area and an allowability of the transmission device to continue transmitting is based on an identification information, of the device, a location of the device and a number being called by the device.