Abstract: The subject invention comprises a novel UZM-14 catalytic material comprising globular aggregates of crystallites having a MOR framework type with a mean crystallite length parallel to the direction of 12-ring channels of about 60 nm or less and a mesopore volume of at least about 0.10 cc/gram. Catalysts formed from the novel material are particularly effective for the transalkylation of aromatics.

Abstract: The present invention provides a process for the preparation of metal-doped zeolites comprising the steps of i) provision of a dry mixture of a) a zeolite, b) a compound of a catalytically active metal, ii) intimate grinding of the mixture, iii) heating of the mixture in a reactor, iv) cooling to room temperature and obtaining the metal-doped zeolite, wherein the internal pressure in the reactor during the heating is kept in a pressure range from 0 to ?200 millibar. The invention further relates to the use of a metal-doped zeolite prepared by means of the process according to the invention for the conversion of NOx and N2O into harmless products.

Abstract: An exhaust emission purification catalyst which purifies exhaust gas of an engine, includes: a carrier which is formed with a plurality of cell holes; and a plurality of catalytic layers which are carried in the plurality of cell holes. The plurality of catalytic layers includes: a first layer including an auxiliary catalyst that includes a zeolite including a transition metal that occludes NOx in the exhaust gas during a time period of low temperature; and a second layer disposed adjacent to a surface of the first layer and including a main catalyst that includes at least one of an alkali metal and an alkali earth metal and that occludes the NOx occluded in the auxiliary catalyst when temperature of the main catalyst reaches active temperature.

Abstract: Fischer-Tropsch hydrocarbon synthesis using a noncobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by contacting the waxy hydrocarbons, in the presence of hydrogen, with an unsulfided hydrodewaxing catalyst that has been reduced and then treated by contacting it with a stream containing one or more oxygenates.

Abstract: A process for producing aromatic hydrocarbons which comprises (a) contacting one or more lower alkanes with a dehydroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, not more than 0.2% wt of an amount of an attenuating metal wherein the amount of platinum is not more than about 0.02% wt more than the amount of the attenuating metal, from about 10 to about 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C2-5 hydrocarbons from the reaction products of step (a) to produce aromatic reaction products including benzene.

Abstract: Disclosed herein is a catalyst for xylene isomerization, including: a carrier including a zeolite, having a molar ratio of silica to alumina of 20˜100, impregnated with or mixed with a metal salt (I) having an amount of a metal component of 0.05˜5.0 wt % relative to a zeolite, and an inorganic binder, in which an amount of the zeolite is 10˜90 wt % based on the total amount of the carrier, wherein the carrier is supported with a VIII group metal such that an amount of the VIII group metal is 0.001˜3.0 wt % based on a total amount of the catalyst, or is supported with the VII group metal additionally supported with tin, bismuth or lead such that an amount of the tin, bismuth or lead is 0.01-5.0 wt % based on the total amount of the catalyst, and a method of producing the catalyst.

Abstract: An emission control catalyst that exhibits improved CO and HC reduction performance includes supported precious group metal catalysts that are coated onto different layers of the substrate for the emission control catalyst. Zeolites of one or more types are added to the emission control catalyst as a hydrocarbon absorbing component to boost the low temperature performance of the emission control catalyst. Y zeolite is used by itself or mixed with other zeolites to enhance hydrocarbon storage at low temperatures.

Abstract: A nickel-mordenite catalyst promoted with Rhodium that is useful in the conversion of hydrocarbons is disclosed. The catalyst and methods for its use can provide hydrocarbon conversion with an extended catalyst life as compared to nickel-mordenite catalyst not promoted with Rhodium.

Abstract: A process for producing lube oil basestocks wherein a wax containing lube oil boiling range feedstream is converted into a basestock suitable for use in motor oil applications by contacting it with a hydrodewaxing catalyst containing a medium pore molecular sieve having deposited thereon an active metal oxide and at least one hydrogenation metal selected from the Group VIII and Group VIB metals.

Abstract: A metal nanodot material is formed by ion-exchange with chabazite or a chabazite-like structure, followed by activation to form metallic nanodots. The nanodot may be formed from silver, nickel, copper, gold or a platinum group metal.

Abstract: A catalyst comprising a spray-dried transition metal zeolite and a noble metal is disclosed. The spray-dried transition metal zeolite comprises a transition metal zeolite and a binder. At least 50 wt. % of the binder is titania. The catalyst is used in a process to produce an epoxide by reacting an olefin, hydrogen, and oxygen. The catalyst is easy to filter from a slurry and produces a reduced level of hydrogenation products.

Abstract: The invention provides an unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, one or more zeolites, and, optionally, a refractory oxide material. A (co)precipitation preparation process is described and also use of the composition in hydrocracking.

Abstract: An SCR catalyst using a ?-zeolite in which the molar ratio of SiO2/Al2O3 is from 20 to less than 40, the particle diameter determined by SEM is 0.35 ?m or more, the full width at half maximum (FWHM) of the X-ray diffraction peak for (302) is less than 0.30°, and the amount of adsorbed NH3 is 1 mmol/g or more, or has an amount of adsorbed NH3 following hydrothermal aging of 0.4 mmol/g or more, demonstrates high catalytic activity for NOx reduction at low temperatures following hydrothermal aging while also demonstrating a low level of discharge of irritating ammonia in exhaust gas.

Abstract: Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeolite, and a particulate NOx composition containing particles of a zeolite having a pore size ranging from about 3 to about 7.2 Angstroms and a SiO2 to Al2O3 molar ratio of less than about 500. Preferably, the NOx reduction composition contains NOx reduction zeolite particles bound with an inorganic binder. In the alternative, the NOx reduction zeolite particles are incorporated into the cracking catalyst as an integral component of the catalyst. Compositions in accordance with the invention are very effective for the reduction of NOx emissions released from the regenerator of a fluid catalytic cracking unit operating under FCC process conditions without a substantial change in conversion or yield of cracked products.

Abstract: Stable catalyst carrier impregnating solutions can be prepared using a component of a Group VIB metal, e.g., molybdenum, at high concentration, a component of a Group VIII metal, e.g., nickel, at low concentration, and a phosphorous component, e.g., phosphoric acid, at a low concentration, provided that the Group VIII metal is in a substantially water-insoluble form and a particular sequence of addition of the components is followed, even when a substantially water-insoluble form of the Group VIB component is used. The resulting stabilized impregnating solution can be supplemented with additional Group VIII metal in water-soluble form to achieve increased levels of such metal in the final catalyst. Furthermore, uncalcined catalyst carriers impregnated with the stable solution and subsequently shaped, dried and calcined, have unexpectedly improved performance when used in the hydroprocessing of heavy hydrocarbon feedstocks.

Abstract: A mixed-bed catalytic system and its activation for direct synthesis of dimethyl ether from synthesis gas are described, comprising a catalyst for methanol synthesis and the zeolite ferrierite in its acid form as the methanol dehydrating component, the two being mixed physically in the form of powder of defined granulometry or as pellets. Another object of the present invention is a process for production of the acid form of the zeolite ferrierite. Another object of the present invention is a process for direct synthesis of dimethyl ether from a synthesis gas, using the catalytic system of the present invention.

Abstract: A purification catalyst which prevents contamination within a reflow furnace, including flux components, while suppressing the generation of CO is provided. A purification catalyst for a reflow furnace gas, having one or two of zeolite and silica-alumina as an active ingredient.

Abstract: A hydrocarbon conversion catalyst, which comprises, based on the total weight of the catalyst, 1-60 wt % of a zeolite mixture, 5-99 wt % of a thermotolerant inorganic oxide and 0-70 wt % of clay, wherein said zeolite mixture comprises, based on the total weight of said zeolite mixture, 1-75 wt % of a zeolite beta modified with phosphorus and a transition metal M, 25-99 wt % of a zeolite having a MFI structure and 0-74 wt % of a large pore zeolite, wherein the anhydrous chemical formula of the zeolite beta modified with phosphorus and the transition metal M is represented in the mass percent of the oxides as (0-0.3)Na2O.(0.5-10)Al2O3.(1.3-10)P2O5.(0.7-15)MxOy.(64-97)SiO2, in which the transition metal M is one or more selected from the group consisting of Fe, Co, Ni, Cu, Mn, Zn and Sn; x represents the atom number of the transition metal M, and y represents a number needed for satisfying the oxidation state of the transition metal M.

Abstract: A catalyst composition containing a medium pore molecular sieve having deposited thereon an active metal oxide and at least one hydrogenation metal selected from the Group VIII and Group VIB metals for use in hydrodewaxing lube oil boiling range feedstreams.

Abstract: A method comprising forming a slurry comprising a first catalyst composition, a second catalyst composition, and a solvent, wherein the first catalyst composition comprises a zeolite and the second catalyst composition comprises a second catalytic metal disposed upon a porous inorganic support; washcoating the slurry onto a substrate; and calcining the washcoated substrate.

Abstract: This method for producing a nitrogen oxide adsorbent comprising zeolite loaded with Fe by ion exchange comprises an impregnation step of impregnating zeolite with an aqueous solution of ferric chloride, and a heat treatment step of heating the zeolite impregnated with the aqueous solution of the ferric chloride to a temperature at or above a boiling point of the ferric chloride, thereby loading the zeolite with Fe by ion exchange. By impregnating zeolite with an aqueous solution of ferric chloride and then heating the impregnated zeolite to a predetermined temperature, a large amount of iron can reach ion exchange sites in zeolite, though the reason is not clear. As a result, a resulting Fe-zeolite nitrogen oxide adsorbent improves in ability to adsorb nitrogen oxides.

Abstract: Described herein are zeolite microporous crystalline materials comprising, in the heated state and in the absence of defects in its crystalline framework manifested by the presence of silanols, the empirical formula: x(M1/nXO2):yYO2:SiO2, wherein M is selected from H+, an inorganic cation of charge +n, and mixtures thereof, X is at least one chemical element having an oxidation state of +3, Y is at least one second chemical element other than Si having an oxidation state +4, x has a value between 0 and about 0.3, y has a value between 0 and about 0.1, and wherein the synthesized material has an X-ray diffraction pattern having at least values of angle 2? (degrees) and relative intensities (I/I0) described. Process of making the microporous crystalline materials are also disclosed.

Abstract: The invention relates to a process for coating ceramic honeycomb bodies with a coating suspension containing, in a carrier liquid, catalyst components as solids and/or in dissolved form. The honeycomb bodies have parallel flow channels running through them. The walls of the flow channels generally have an open pore structure. To coat the channel walls and in particular also the interior surfaces of the pores with the coating suspension, it is proposed that the flow channels be temporarily alternately closed and the coating suspension be forced through the open pore structure of the channel walls. The coating is subsequently dried and calcined. To close the flow channels, it is possible to use thermally or chemically decomposable or soluble compositions which are decomposed or dissolved either during calcination or by means of a subsequent chemical treatment. The coated honeycomb bodies are preferably used for the purification of exhaust gases from automobiles.

Abstract: A process and catalyst for the selective hydrodesulfurization of a naphtha containing olefins. The process produces a naphtha stream having a reduced concentration of sulfur while maintaining the maximum concentration of olefins.

Abstract: One exemplary embodiment can be an extruded C8 alkylaromatic isomerization catalyst. The extruded catalyst can include: about 2-about 20%, by weight, of an MTW zeolite; about 80-about 98%, by weight, of a binder including an alumina; about 0.01-about 2.00%, by weight, of a noble group metal calculated on an elemental basis; and about 100 ppm-less than about 1000 ppm, by weight, of at least one alkali metal calculated on an elemental basis. Generally, the weight percents of the MTW zeolite, the binder, the noble group metal, and the at least one alkali metal are based on a weight of the extruded catalyst.

Abstract: A catalyst for the hydroprocessing of organic compounds, composed of an interstitial metal hydride having a reaction surface at which monatomic hydrogen is available. The activity of the catalyst is maximized by avoiding surface oxide formation. Transition metals and lanthanide metals compose the compound from which the interstitial metal hydride is formed. The catalyst's capabilities can be further enhanced using radio frequency (RF) or microwave energy.

Abstract: A honeycomb structure includes at least one honeycomb unit. The at least one honeycomb unit has a longitudinal direction and cell walls extending from one end face to another end face along the longitudinal direction to define cells. The at least one honeycomb unit includes an inorganic binder, and zeolite ion-exchanged with plural kinds of metal ions.

Abstract: The present invention features a selective reduction catalyst, where half of the catalyst (an inlet) is coated with Mn/TiO2 and another half of the catalyst (an outlet) is coated with Fe-zeolite/ZSM along a substantially longitudinal direction and a washcoat layer is prepared by adding cerium carbonate, thereby forming pores caused by decomposition during calcinations in the washcoat layer and increasing active surface area and performance and efficiency of the catalyst. Also featured are methods of preparation of the selective reduction catalyst.

Abstract: A honeycomb structure includes a honeycomb structure includes a honeycomb unit. The honeycomb unit has thermal conductivity equal to or greater than about 0.15 W/m/K but less than or equal to about 0.60 W/m/K and has Young's modulus equal to or greater than about 1.5 MPa but less than or equal to about 7.0 Mpa. The honeycomb unit includes zeolite, an inorganic binder, and partition walls. The partition walls extend along a longitudinal direction of the honeycomb unit to define plural through holes.

Abstract: A honeycomb structure includes at least one honeycomb unit. The at least one honeycomb unit includes zeolite, inorganic binder, and cell walls extending from a first end face to a second end face along a longitudinal direction of the at least one honeycomb unit to define cells. The at least one honeycomb unit includes a cross-sectional surface orthogonal to the longitudinal direction having a substantially square shape. An aperture ratio of the at least one honeycomb unit is in a range from about 50% to about 65%. A formula 12.5V+50<Lc/wc<12.5V+200 is satisfied, where V (liter) denotes the volume of the honeycomb structure and the wc (cm) and Lc (cm) denote a cell width and a total length of the cells, respectively.

Abstract: A honeycomb structure includes a honeycomb unit containing zeolite and an inorganic binder and having cell walls extending from one end to another end along a longitudinal direction of the honeycomb unit to define cells. An amount of zeolite contained per apparent unit volume of the honeycomb unit is approximately 230 g/L or more. A thickness X mm of the cell walls is in a range from approximately 0.15 mm to approximately 0.35 mm. A mathematical formula 40X+20?Y?40X+30 is satisfied when a porosity of the cell walls is defined as Y %.

Abstract: The invention relates to a modified zeolite catalyst, useful for the conversion of paraffins, olefins and aromatics in a mixed feedstock such as FCC gasoline that contain high content of olefin, aromatic and n-paraffin into isoparaffins. The invention further relates to the use of such a catalyst, for example but not limited to, in a process for the conversion of paraffins, olefins and aromatics in a mixed feedstock into the product having high amount of branched paraffins with decreased aromatics and olefins, a useful gasoline blend, with negligible production of lighter gases.

Abstract: It is an objective of the present invention to provide a catalyst with high LPG selectivity, which is used for the semi-indirect method for synthesizing a liquefied petroleum gas (LPG). The present invention relates to a catalyst for liquefied petroleum gas production for producing a liquefied petroleum gas mainly consisting of propane or butane by reacting at least one of methanol and dimethyl ether with hydrogen, which comprises a Pd-loaded ?-zeolite having an SiO2:Al2O3 molar ratio of 100 or more:1.

Abstract: A honeycomb structure includes at least one honeycomb unit and a coat layer provided at a peripheral surface of the honeycomb structure. The honeycomb unit includes zeolite, an inorganic binder, and cell walls extending from a first end face to a second end face of the honeycomb unit along a longitudinal direction of the honeycomb unit to define cells. A ratio ?c/?h is equal to or larger than about 0.75 and equal to or smaller than about 1.25. Ec/Eh is equal to or larger than about 0.75 and equal to or smaller than about 1.25. The ?c and ?h are coefficients of thermal expansion of the coat layer and the honeycomb unit, respectively, in a radial direction of the honeycomb structure. The Ec and Eh are Young's moduli of the coat layer and the honeycomb unit, respectively, in the radial direction of the honeycomb structure.

Abstract: A honeycomb structure includes at least one honeycomb unit including zeolite, an inorganic binder, and cell walls. The cell walls extend from a first end face to a second end face to define cells along a longitudinal direction of the at least one honeycomb unit. Each of the cell walls includes a center part in the longitudinal direction and a first end part adjacent to the first end face. The first end part has a thickness larger than a thickness of the center part, and/or the first end part has a porosity smaller than a porosity of the center part.

Abstract: A honeycomb structure includes a center area, an outer peripheral area, and at least one honeycomb unit having a longitudinal direction. The center area has a smaller similarity shape in relation to a peripheral shape of the honeycomb structure in a cross section perpendicular to the longitudinal direction. The smaller similarity shape is defined by including a center of the honeycomb structure and substantially a half of a length from the center to the peripheral shape of the honeycomb structure. The outer peripheral area is located outside the smaller similarity shape. An aperture ratio of the honeycomb structure is from approximately 50% to approximately 65% in the cross section of the honeycomb structure. The aperture ratio includes a first aperture ratio in the outer peripheral area and a second aperture ratio in the center area. The first aperture ratio is larger than the second aperture ratio.

Abstract: A honeycomb structure includes at least one honeycomb unit and a peripheral wall at a peripheral surface connecting one end face and another end face of the honeycomb structure. The honeycomb unit includes inorganic particles, an inorganic binder, and cell walls extending along a longitudinal direction of the at least one honeycomb unit to define cells. The at least one honeycomb unit has a b-axis compression strength of about 1.0 MPa or less. A thickness T of the peripheral wall of the honeycomb structure is larger than 0.42V-0.25 (mm), where V is a volume of the honeycomb structure and in a range from about 1.0 liters to about 10 liters.

Abstract: A honeycomb structure includes at least one honeycomb unit which includes walls. The walls have a thickness of from about 0.10 mm to about 0.50 mm and extend along a longitudinal direction of the honeycomb structure to define through-holes. The honeycomb structure has a center area inside a boundary line passing through positions located at substantially a half of a length from a center of the honeycomb structure to a periphery of the honeycomb structure in a cross section perpendicular to the longitudinal direction. The honeycomb structure has a peripheral area outside the boundary line. A thickness of the walls located in the peripheral area is larger than a thickness of the walls located in the center area. A first opening ratio in the center area in the cross section is larger than a second opening ratio in the peripheral area in the cross section.

Abstract: A honeycomb structure includes a plurality of honeycomb units and an adhesive layer. Each of the plurality of honeycomb units has a longitudinal direction and includes zeolite, an inorganic binder, a first end face, a second end face, and a cell wall. The second end face is located opposite to the first end face in the longitudinal direction. The cell wall extends from the first end face to the second end face along the longitudinal direction to define cells. The adhesive layer includes zeolite and is provided between the plurality of honeycomb units to connect the plurality of honeycomb units. A ratio of a coefficient of thermal expansion of the adhesive layer to a coefficient of thermal expansion of each of the plurality of honeycomb units is in a range from approximately 0.8 to approximately 1.2.

Abstract: A honeycomb structure includes at least one honeycomb unit having a longitudinal direction and including cell walls extending along the longitudinal direction from one end face to another end face to define cells. The at least one honeycomb unit includes inorganic particles, inorganic binder, and inorganic fibers. The inorganic fibers include a bio-soluble inorganic compound.

Abstract: A honeycomb structure includes at least one honeycomb unit. In a pore distribution curve, the at least one honeycomb unit has one or more peak values of the log differential pore volume in a pore diameter range from about 0.006 ?m to 0.06 ?m and greater than 0.06 ?m and less than or equal to about 1 ?m. A volume of pores having diameters in a range from a peak pore diameter minus 0.03 ?m to plus 0.03 ?m is from about 60% to about 95% of a volume of pores having diameters greater than 0.06 ?m and less than or equal to about 1 ?m. The peak pore diameter corresponds to a highest one of the peak values of the log differential pore volume in the pore diameter range greater than 0.06 ?m and less than or equal to about 1 ?m.

Abstract: The present invention provides nano zeolite containing hydrotreating catalyst and methods of preparation, and more particularly to a nano-sized zeolite beta composite hydrotreating catalyst. The hydrotreating catalyst for desulfurization of diesel distillates includes between about 5 to about 75 wt % nano-sized zeolite beta composite, about 10 to about 30 wt % of a hydrogenation metal/alloy and between about 5 to about 20 wt % binder.

Abstract: A method for producing a substantially desulfurized a hydrocarbon fuel stream at temperatures less than 100° C. The method includes providing a nondesulfurized fuel cell hydrocarbon fuel stream that may include water and passing the fuel stream sequentially through a zeolite Y adsorbent and a selective sulfur adsorbent. The zeolite Y adsorbent may be exchanged with copper ions. The method produces a substantially desulfurized hydrocarbon fuel stream containing less than 50 ppb sulfur.

Abstract: The invention provides a zeolite of the faujasite structure which has a unit cell size in the range of from 24.40 to 24.50 ?; a bulk silica to alumina ratio (SAR) in the range of from 5 to 10; and an alkali metal content of less than 0.15 wt %. Such zeolites have been found to have a very useful naphtha selectivity in hydrocracking, particularly a selectivity to heavy naphtha. A preparation process for the zeolite, hydrocracking catalyst composition comprising the zeolite and its use in hydrocracking are also provided.

Abstract: Disclosed herein is a catalytic composition comprising a first catalyst composition portion that comprises a zeolite; and a second catalyst composition portion that comprises a catalytic metal disposed upon a porous inorganic substrate; the first catalyst composition portion and the second catalyst composition portion being in an intimate mixture.

Abstract: A ceramic body, a ceramic catalyst body, a ceramic catalyst body and related manufacturing methods are disclosed wherein a cordierite porous base material has a surface, formed with acicular particles made of a component different from that of cordierite porous base material, which has an increased specific surface area with high resistance to a sintering effect. The ceramic body is manufactured by preparing a slurry containing an acicular particle source material, preparing a porous base material, applying the slurry onto a surface of the porous base material and firing the porous base material, whose surface is coated with the slurry, to cause acicular particles to develop on the surface of the porous base material. A part of or a whole of surfaces of the acicular particles is coated with a constituent element different from that of the acicular particles.

Abstract: A honeycomb structure includes at least one honeycomb unit having one end face and another end face opposite to the one end face along a longitudinal direction of the at least one honeycomb unit. The at least one honeycomb unit includes an inorganic binder, inorganic particles, cell walls extending along the longitudinal direction from one end face to the another end face to define plural cells, and third material provided on the cell walls. The inorganic particles include first and second materials. The first material includes NOx adsorption material. The second material includes ammonia adsorption material.

Abstract: The present invention relates to molecular sieve compositions and a process to synthesize such compositions. More particularly, this invention relates to a catalyst composition with metal oxide deposited on the exterior surface of the molecular sieve particles. The metal oxide can be deposited by contacting the molecular sieve particles with a solution of a metal-containing salt and a solvent, the metal-containing salt solution having an anion size larger than the pore size of the molecular sieve particles. The molecular sieve particles can then be dried and then treated under conditions sufficient to form a metal oxide, whereby at least a portion of the metal-containing salt can be converted to metal oxide.

Abstract: A catalyst for use in the Fischer-Tropsch process, and a method to prepare the catalyst is disclosed. The catalyst of the present invention has a higher surface area, more uniform metal distribution, and smaller metal crystallite size than Fischer-Tropsch catalysts of the prior art.

Abstract: A catalyst for cellulose hydrolysis and/or the reduction of hydrolysis products, in which a transition metal of group 8 to 11 is supported on a solid support. A method of producing sugar alcohols comprising: hydrolyzing cellulose in the presence of the catalyst in a hydrogen-containing atmosphere with pressurization; and reducing the hydrolysis product of cellulose. Provided are a catalyst for use in the production of sugar alcohols by the hydrolysis and hydrogenation of cellulose that affords easy separation of catalyst and product, and that does not require pH adjustment, acid or alkali neutralization, or activation of the catalyst during reuse, and a method of producing sugar alcohols from cellulose employing this catalyst.