A catalyst structure includes a porous support structure, where the support structure includes an aluminosilicate material and any two or more metals loaded in the porous support structure selected from Ga, Ag, Mo, Zn, Co and Ce. The catalyst structure is used in a hydrocarbon upgrading process that is conducted in the presence of methane, nitrogen or hydrogen.

A method of producing a catalytically active product (10) is disclosed. The method comprises providing a substrate (11) and depositing a first material (12) and particles (13) of a second material on the substrate, wherein the particles (13) of the second material have a higher melting point than the first material (12). Then, the substrate (11) with the first material (12) and said particles (13) is heated to a temperature where the first material (12) is melted and the particles (13) of the second material are not melted, wherein the first material (12) and the particles (13) are adhered to the substrate (11), wherein particles (13) are partly embedded in the first material (12) and form a rough surface. A ceramic material is deposited on the rough surface formed by the particles (13) to form a ceramic layer (14) thereon, wherein a catalytically active material (16) id added to the ceramic layer (14). Disclosed is also a catalytically active product.

A method of producing a catalytically active product (10) is disclosed. The method comprises providing a substrate (11) and depositing a first material (12) and particles (13) of a second material on the substrate, wherein the particles (13) of the second material have a higher melting point than the first material (12). Then, the substrate (11) with the first material (12) and said particles (13) is heated to a temperature where the first material (12) is melted and the particles (13) of the second material are not melted, wherein the first material (12) and the particles (13) are adhered to the substrate (11), wherein particles (13) are partly embedded in the first material (12) and form a rough surface. A ceramic material is deposited on the rough surface formed by the particles (13) to form a ceramic layer (14) thereon, wherein a catalytically active material (16) id added to the ceramic layer (14). Disclosed is also a catalytically active product.

Realized are a carbon support for a fuel cell catalyst and a catalyst for a fuel cell which have excellent durability and excellent catalytic activity when a catalyst metal is supported. A carbon support according to an embodiment of the present invention has diffraction peaks of a (002) plane which are observed at least at 2?=22.5? to 25?, 26?, and 26.5? in an X-ray diffraction spectrum with CuK? rays, has an intensity ratio I(P1)/I(P2) between a peak P1 at 2?=26? and a peak P2 at 2?=26.5? of not less than 1.4, and has a BET specific surface area of not less than 1000 m.sup.2/g.

The present disclosure generally provides low-temperature nitrogen oxides (NO.sub.x) adsorbers used in the treatment of a NO.sub.x-containing exhaust gas stream and to methods of preparing and using the same. In particular, the NO.sub.x adsorber composition includes an active metal and a metal oxide support, wherein the metal oxide support includes greater than 50% by weight ceria based on the total weight of the NO.sub.x adsorber composition, and wherein the active metal includes about 0.01% to about 5% by weight ruthenium based on the total weight of the NO.sub.x adsorber composition.

The present invention relates to a honeycomb structured body including a honeycomb fired body in which multiple through-holes are arranged longitudinally in parallel with one another with a partition wall therebetween, wherein the honeycomb fired body is an extrudate containing ceria-zirconia composite oxide particles and alumina particles, and when the pore size of the partition wall of the honeycomb fired body is measured by mercury porosimetry, and the measurement results are shown as a pore size distribution curve with pore size (m) on the horizontal axis and log differential pore volume (ml) on the vertical axis, at least one peak is present in each of the pore size ranges of 0.01 to 0.1 m and 0.1 to 5 m.

The catalyst in this present application includes a support and an active component dispersed on/in the support; wherein the support is at least one selected from inorganic oxides and the support contains macropores and mesopores; and the active component includes an active element, and the active element contains an iron group element. As a high temperature stable catalyst for methane reforming with carbon dioxide, the catalyst can be used to produce syngas, realizing the emission reduction and recycling utilization of carbon dioxide. Under atmospheric pressure and at 800 C., the supported metal catalyst with hierarchical pores shows excellent catalytic performance. In addition to high activity and good selectivity, the catalyst has high stability, high resistance to sintering and carbon deposition.

There are provided a stable HAN-based propellant decomposition catalyst in which the heat resistance is sufficient and the change in HAN-based propellant decomposition activity over time is also small so that a HAN-based propellant having low toxicity can be used for a thruster, and a method for producing the same, and a one-component thruster including a HAN-based propellant decomposition catalyst. A HAN-based propellant decomposition catalyst containing a hexaaluminate type oxide containing a platinum group element, and a method for producing the same, and a one-component thruster including a HAN-based propellant decomposition catalyst are used.

A carrier for selectively synthesizing kerosene fraction from syngas, the carrier including the following components in parts by weight: 5-50 parts of mesoporous zirconia (ZrO.sub.2), 10-55 parts of a silicoaluminophosphate (SAPO) molecular sieve, 5-50 parts of modified mesoporous molecular sieve Al-SBA-16, 1-3 parts of sesbania gum powder, and 10-70 parts of alumina A catalyst includes a soluble cobalt salt and the aforesaid carrier. The soluble cobalt salt is loaded on the surface of the carrier.

Provided herein is a hydrotreating catalyst for hydrocarbon oil having high desulfurization activity, and high abrasion strength and high compressive strength. A process for producing the hydrotreating catalyst is also provided. The hydrotreating catalyst uses an alumina-phosphorus support. The support contains 0.5 to 2.0 mass % of phosphorus in terms of an oxide. The support loads a metal in Group 6A of the periodic table, and a metal in Group 8 of the periodic table. The hydrotreating catalyst has a specific surface area of 150 m.sup.2/g or more. The hydrotreating catalyst has a total pore volume of 0.40 to 0.75 ml/g as measured by a mercury intrusion method. The hydrotreating catalyst has two maximal peaks in a pore diameter range of 6 nm to 13 nm in a log differential pore volume distribution measured by a mercury intrusion method. The hydrotreating catalyst has an abrasion strength of 0.5% or less. The hydrotreating catalyst has a compressive strength of 15 N/mm or more. The support is produced from, for example, a hydrate obtained by adding phosphorus to an alumina hydrate obtained by using two mixtures of an acidic aqueous aluminum salt solution and a basic aqueous aluminum salt solution.