Abstract: A honeycomb structure includes at least one honeycomb unit having opening ratio (P) of at least approximately 50% and at most approximately 65% and a cell density ? of at least approximately 31/cm2 and at most approximately 93/cm2. The honeycomb unit includes an inorganic binder and at least approximately 230 g/L of zeolite in which L represents an apparent volume. The honeycomb unit further includes and a plurality of cell walls extending from a first end to a second end of the honeycomb unit along a longitudinal direction of the honeycomb unit to define cells. The cell walls have a surface roughness Ra of at least approximately 1 ?m and at most approximately 30 ?m.

Abstract: Catalyst compositions comprising a siliceous zeolite component, either in separately formed catalyst particles or dispersed in the same binder or matrix as other zeolites of the compositions, are described. The catalyst compositions, for example as blends of three different bound zeolite catalysts, are particularly useful in fluid catalytic cracking (FCC) processes due to the reductions in coke and dry gas yields that allow FCC throughput, which is normally constrained by gas handling and/or catalyst regeneration capacity, to be increased.

Abstract: A honeycomb structure includes at least one honeycomb unit. The at least one honeycomb unit has a longitudinal direction and includes zeolite and an inorganic binder. A content of the zeolite per apparent unit volume of the at least one honeycomb unit is about 230 g/L or greater. The at least one honeycomb includes plural cell walls extending from one end face to another end face along the longitudinal direction to define plural cell walls. A porosity of substantially all pores in the cell walls is about 40% or less. A porosity of pores having diameters in a range of about 0.005 ?m through about 0.02 ?m in the cell walls is about 5% or greater. A porosity of pores having diameters in a range of about 0.05 ?m through about 0.2 ?m in the cell walls is about 17.5% or greater.

Abstract: A catalyst is described which comprises at least one zeolite with structure type EUO, at least one zeolite selected from IM-5 zeolite and zeolites with structure type MFI, MOR, BEA and MTW, at least one group VIII metal, at least one group IIIA metal and at least one porous mineral matrix. The catalyst of the invention is used in a process for isomerizing a feed comprising aromatic compounds containing 8 carbon atoms per molecule.

Abstract: An oxidation catalyst comprises an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilised ceria, which catalyst comprising at least one precious metal and optionally at least one non-precious metal, wherein: (i) a majority of the at least one precious metal is located at a surface of the extruded solid body; (ii) the at least one precious metal is carried in one or more coating layer(s) on a surface; (iii) at least one metal is present throughout the extruded solid body and in a higher concentration at a surface; (iv) at least one metal is present throughout the extruded solid body and in a coating layer(s) on a surface; or (v) a combination of (ii) and (iii).

Abstract: An oxygenate conversion catalyst comprising both a first molecular sieve having one-dimensional 10-membered ring channels, and a second molecular sieve having more-dimensional channels, wherein the second molecular sieve comprises MEL-type aluminosilicate; a process for the preparation of an olefinic product in the presence of the oxygenate conversion catalyst, and a process for the preparation of an oxygenate conversion catalyst.

Abstract: A method for preparing a composite of zeolite-fiber substrate includes the steps of reacting a fiber substrate or a zeolite with a linking compound to form an intermediate of linking compound-fiber substrate or zeolite-linking compound, and preparing the composite of zeolite-linking compound-fiber substrate by linking the intermediate of linking compound-fiber substrate to the fiber substrate or linking the intermediate of zeolite-linking compound to the zeolite, in which the linking is induced by sonication.

Abstract: The present invention provides a process for the manufacture of a formulated oxygenate conversion catalyst, the process comprising: —treating with a phosphorus containing compound a first molecular sieve comprising aluminosilicate and a second molecular sieve, different from the first molecular sieve, the second molecular sieve having more-dimensional channels; and—combining the first molecular sieve, the second molecular sieve and a matrix material; wherein the catalyst is not treated with a phosphorus containing compound after combination of the molecular sieves with the matrix material. In a further aspect the invention provides a formulated oxygenate conversion catalyst and a process for the preparation of an olefinic product.

Abstract: Catalyst compositions comprising a siliceous zeolite component, either in separately formed catalyst particles or dispersed in the same binder or matrix as other zeolites of the compositions, are described. The catalyst compositions, for example as blends of three different bound zeolite catalysts, are particularly useful in fluid catalytic cracking (FCC) processes due to the reductions in coke and dry gas yields that allow FCC throughput, which is normally constrained by gas handling and/or catalyst regeneration capacity, to be increased.

Abstract: Process of preparing a hydrocracking catalyst carrier comprising amorphous binder and zeolite Y, which process comprises subjecting zeolite Y having a silica to alumina molar ratio of at least 10 to calcination at a temperature of from 700 to 1000° C., hydrocracking catalyst carrier comprising amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10, the infrared spectrum of which catalyst has a peak at 3690 cm?1, substantially reduced peaks at 3630 cm?1 and 3565 cm?1 and no peak at 3600 cm?1, hydrocracking catalyst carrier comprising an amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10, which catalyst has an acidity as measured by exchange with perdeuterated benzene of at most 20 micro-mole/gram, hydrocracking catalyst derived from such carrier and hydrocracking process with the help of such catalyst.

Abstract: A silico-alumino phosphate includes Si, Al, and P. A ratio of an amount of substance of Si to a sum of an amount of substance of Al and an amount of substance of P is approximately 0.22 or more and approximately 0.33 or less. An acid point is approximately 1.2 mmol/g or more. A honeycomb structural body includes a honeycomb unit. The honeycomb unit includes the silico-alumino phosphate and an inorganic binder. The honeycomb unit has a plurality of through-holes divided by a plurality of partition walls and arranged in a longitudinal direction of the honeycomb unit. An exhaust gas conversion apparatus includes the honeycomb structural body, a holding sealing member and a metal pipe. The holding sealing member is provided at an outer peripheral portion of the honeycomb structural body. The honeycomb structural body and the holding sealing member are installed in the metal pipe.

Abstract: The present invention relates to a catalyst composition for the reaction of hydrocarbons comprising a zeolite with has a faujasite structure and a fibrous zeolite which comprises essentially non-crossing one-dimensional channels. Further, the catalyst composition comprises in a preferred embodiment a metal component selected from metals of the group VIB and VIII of the periodic table of elements and their compounds. The invention relates further to a process for the synthesis of such a catalyst composition and to a process for hydrocracking hydrocarbon feedstocks by using said catalyst composition.

Abstract: The alkylation of aromatic compound with acyclic mono-olefin is effected at low aromatic compound to mono-olefin ratios with reduced co-production of heavies. In the processes a small crystal, acidic FAU molecular sieve is used as a catalyst under alkylation conditions. This invention also relates to catalysts containing small crystal, acidic FAU molecular sieve and at least one other acidic catalytic component.

Abstract: A system is provided for desulfurizing a hydrocarbon fuel containing a light amount of methanol and a slight amount of water. The desulfurization system uses a Y-type zeolite-based desulfurizing agent containing at least copper arranged upstream of the system and an X-type zeolite-based desulfurizing agent containing at least silver arranged downstream of the system and thus can maintain desulfurization effect for a long period of time.

Abstract: Catalysts for dewaxing of hydrocarbon feeds, particularly feeds with elevated sulfur and nitrogen levels, are provided. The dewaxing catalysts include at least two zeolites, including a zeolite with a low silica to alumina ratio. The catalysts may be combined with a low surface binder, or alternatively the catalysts as formulated may have a high ratio of zeolite surface area to external surface area.

Abstract: A method of preparing a crystalline molecular sieve is provided, which method comprises (a) providing a reaction mixture comprising at least one source of ions of tetravalent element Y, at least one source of alkali metal hydroxide, water, optionally at least one seed crystal, and optionally at least one source of ions of trivalent element X, said reaction mixture having the following mole composition: Y:X2=10 to infinity OH?:Y=0.001 to 2 M+:Y=0.001 to 2 ?wherein M is an alkali metal and the amount of water is at least sufficient to permit extrusion of said reaction mixture; (b) extruding said reaction mixture to form a pre-formed extrudate; and (c) crystallizing said pre-formed extrudate under vapor phase conditions in a reactor to form said crystalline molecular sieve whereby excess alkali metal hydroxide is removed from the pre-formed extrudate during crystallization. The crystalline molecular sieve product is useful as catalyst in hydrocarbon conversion processes.

Abstract: One aspect of the present invention relates to mesostructured zeolites. The invention also relates to a method of preparing mesostructured zeolites, as well as using them as cracking catalysts for organic compounds and degradation catalysts for polymers.

Abstract: Additives for mixing with the catalyst inventory in process units for fluid catalytic cracking (FCC) for maximizing the production of LPG and light olefins are described. Said additives comprise a matrix that incorporates a zeolite of type MFI, preferably zeolite ZSM-5, a zeolite of type Y, and a source of phosphorus, in a single particle. Mixing of the additive in proportions from 1.0 to 40 wt. % with the equilibrium catalyst of an FCC unit maximizes the production of LPG and light olefins, chiefly propylene.

Abstract: The dual-zeolite catalyst for production of ethylbenzene is formed by mixing at least two different zeolites selected from mordenite, beta, ZSM-5, ZSM-11, ZSM-12, ZSM-22, ZSM-23, MFI topology zeolite, NES topology zeolite, EU-1, SAPO-5, SAPO-34, SAPO-11 and MAPO-36 zeolites and an inactive alumina binder. The two zeolites have different topology and possess dissimilar and unique physical and chemical characteristics, including particle size, surface area, pore size and acidity. The preferred amount of the two zeolites may range from 10 to 90 wt % of the total catalyst amount in the final dried and calcined form, preferably the zeolites are in equal parts by weight.

Abstract: An aluminum-containing substrate is described that comprises at least one superficially applied microporous layer of an aluminum phosphate zeolite (ALPO) as well as other layers. Said aluminum-containing substrate is characterized in that the microporous layer of the aluminum phosphate zeolite represents a primer coating on which a microporous or mesoporous secondary material is located which differs from the material of the primer coating. Said aluminum-containing substrate is produced in a particularly advantageous manner according to a method in which 1.

Abstract: A catalyst is described which comprises at least one zeolite with structure type EUO, at least one zeolite having channels the opening to which is defined by a ring of 10 oxygen atoms (10 MR), at least one zeolite having channels the opening to which is defined by a ring of 12 oxygen atoms (12 MR) and at least one porous mineral matrix. Said catalyst optionally also contains at least one group VIII metal. The catalyst of the invention is used in a process for isomerizing a feed comprising aromatic compounds containing 8 carbon atoms per molecule.

Abstract: The present invention concerns a new cracking process, preferably a fluid catalytic process, characterized in that it is carried out in the presence of a catalyst containing ERS-10 zeolite. The invention also relates to a new catalytic composition containing said ERS-10 zeolite, which can be used as catalyst in catalytic cracking processes, in particular in fluid catalytic cracking processes (FCC).

Abstract: A catalyst composition comprises (a) a MCM-22 family molecular sieve; and (b) a binder, wherein the MCM-22 family molecular sieve is characterized by an average crystal agglomerate size of less than or equal to 16 microns. The catalyst composition may further have a second molecular sieve having a Constraint Index of less than 12, e.g., less than 2. Examples of molecular sieve useful for this disclosure are a MCM-22 family molecular sieve, zeolite Y, and zeolite Beta. The catalyst composition may be used for the process of alkylation or transalkylation of an alkylatable aromatic compound with an alkylating agent.

Abstract: A sulfur reduction catalyst useful to reduce the levels of sulfur in a cracked gasoline product comprises a metal vanadate compound. The metal vanadate compound can be supported on a molecular sieve such as a zeolite in which the metal vanadate compound is primarily located on the exterior surface of the pore structure of the zeolite and on the surface of any matrix material used to bind or support the zeolite.

Abstract: The present invention relates to aggregate zeolitic adsorbents based on zeolite X and zeolite LSX. These adsorbents are particularly suitable for separating C8 aromatic isomers and in particular xylenes, separating sugars, separating polyhydric alcohols, separating isomers of substituted toluenes, separating cresols, separating dichlorobenzenes.

Abstract: This invention provides a process for manufacturing a catalyst with a desired attrition index, comprising the steps of selecting at least one molecular sieve having a morphology and size index (MSI) of from 1 to about 1000 to secure said desired attrition index of said catalyst.

Abstract: The present invention is a mixture comprising by weight 0.01 to 30% of at least one medium or large pore crystalline silicoaluminate, silicoaluminophosphate materials or silicoaluminate mesoporous molecular sieves (co-catalyst) (A) for respectively 99.99 to 70% of at least a MeAPO molecular sieve. Preferably the proportion of (A) is 1 to 15% for respectively 99 to 85% of MeAPO molecular sieves. MeAPO molecular sieves having CHA (SAPO-34) or AEI (SAPO-18) structure or mixture thereof are the most preferable. Si is the most desirable metal in MeAPO. The present invention also relates to catalysts consisting of the above mixture or comprising the above mixture.

Abstract: The present invention is a selective catalytic reduction type catalyst for purifying nitrogen oxides in exhaust gas exhausted from lean combustion engines using ammonia or urea as a reducing agent, it is provided with a selective catalytic reduction type catalyst The catalyst comprises a lower-layer catalyst layer (A) having an oxidative function for nitrogen monoxide (NO) in exhaust gas and an upper-layer catalyst layer (B) having an adsorbing function for ammonia on the surface of a monolithic structure type carrier (C), and that the lower-layer catalyst layer (A) comprises a noble metal component (i), an inorganic base material constituent (ii) and zeolite (iii), and the upper-layer catalyst layer (B) comprises substantially none of component (i) but the component (iii).

Abstract: A catalyst system comprising a first catalytic composition comprising, (i) a first component comprising a zeolite, and (ii) a second component comprising a homogeneous solid mixture containing at least one catalytic metal and at least one metal inorganic network; wherein the pores of the solid mixture have an average diameter in a range of about 1 nanometer to about 15 nanometers; wherein the first component and the second component form an intimate mixture. The catalyst system may further comprise a second catalytic composition and a third catalytic composition. The catalyst system may further comprise a delivery system configured to deliver a reductant and optionally a co-reductant. An exhaust system comprising the catalyst systems described herein is also provided.

Abstract: The invention describes a catalyst comprising at least one hydrodehydrogenating metal selected from the group formed by metals from group VIB and metals from group VIII and a support comprising at least one silica-alumina, and at least one COK-7 zeolite alone, or mixed with at least one ZBM-30 zeolite, as well as a process for hydrocracking hydrocarbon feeds employing said catalyst.

Abstract: A particulate catalytic cracking catalyst which comprises a zeolite having catalytic cracking ability under catalytic cracking conditions, added silica, precipitated alumina and, optionally clay. The catalytic cracking catalyst has a high matrix surface area and is useful in a catalytic cracking process, in particularly, a fluid catalytic cracking process, to improve bottoms conversion at a constant coke formation.

Abstract: Disclosed herein are a novel catalyst for recovering good-quality light oil from materials such as woody hydrocarbons, woody plastics and waste oils, and a preparation method thereof. The catalyst has a three-dimensional network structure and a cubic crystal structure sharing oxygen atoms, and has a Si/Al ratio greater than 1, and includes an alkali metal, an alkaline earth metal and a water molecule of crystallization. The catalyst enables good-quality light oil to be recovered from waste plastics, woody hydrocarbons and waste oils and is highly advantageous in terms of environmental problems.

Abstract: Disclosed are zeolite catalysts having the CHA crystal structure with a low silica to alumina ratio, as well as articles and systems incorporating the catalysts and methods for their preparation and use. The catalysts can be used to reduce NOx from exhaust gas streams, particularly those emanating from gasoline or diesel engines.

Abstract: Novel silicoaluminophosphate molecular sieve compositions comprising SAPO-11 and SAPO-41 with at least about 5 wt % of in situ-produced amorphous portion. Such compositions can be uncalcined or calcined and novel processes for their preparation are described. These compositions, when loaded or impregnated with a catalytically active species such as a Group VIII noble metal are novel, and are excellent hydroisomerization catalysts.

Abstract: A catalyst composition comprises (a) a MCM-22 family molecular sieve; and (b) a binder, wherein the MCM-22 family molecular sieve is characterized by an average crystal agglomerate size of less than or equal to 16 microns. The catalyst composition may further have a second molecular sieve having a Constraint Index of less than 12, e.g., less than 2. Examples of molecular sieve useful for this disclosure are a MCM-22 family molecular sieve, zeolite Y, and zeolite Beta. The catalyst composition may be used for the process of alkylation or transalkylation of an alkylatable aromatic compound with an alkylating agent.

Abstract: The present invention relates to zeolitic compositions of at least one A, X, Y zeolite and/or chabazite and at least one clinoptilolite type of zeolite. These zeolitic compositions can be used in adsorption methods for removing H2O and/or CO2 and/or H2S present in gas or liquid mixtures, particularly for purifying natural gas, acid gases, alcohols and mercaptans.

Abstract: Catalyst compositions comprising a siliceous zeolite component, either in separately formed catalyst particles or dispersed in the same binder or matrix as other zeolites of the compositions, are described. The catalyst compositions, for example as blends of three different bound zeolite catalysts, are particularly useful in fluid catalytic cracking (FCC) processes due to the reductions in coke and dry gas yields that allow FCC throughput, which is normally constrained by gas handling and/or catalyst regeneration capacity, to be increased.

Abstract: A catalyst for catalytically cracking hydrocarbon oils contains a substrate comprising alumina and a molecular sieve, characterized in that the pore distribution of said catalyst is 5-70% of the <2 nm pores, 5-70% of the 2-4 nm pores, 0-10% of the 4-6 nm pores, 20-80% of the 6-20 nm pores, and 0-40% of the 20-100 nm pores, based on the pore volume of pores having a size of no more than 100 nm. The catalyst of this invention has a large BET pore volume, a high capacity for cracking heavy oils, and a high capacity for resisting coking.

Abstract: Embodiments of crystalline, titanium silicate molecular sieves are described having a formula representing mole ratios of oxides of n M1O:TiO2:y SiO2:zH2O:wX where Mi refers to a metal cation or mixture of metal cations; n is from about 1 to about 2; y is from about 1 to about 10; z is from 0 to about 100; X is a halide anion other than fluorine, or combination of halide anions that excludes fluorine; and w is greater than 0. The pore size of the sieves can be adjusted by ion exchanging Mi cations with a suitable amount of another species. Embodiments of the invention are useful for various adsorptive fluid separation processes, including pressure swing adsorption processes. For example, disclosed embodiments are useful for separating methane from air.

Abstract: Catalyst particles comprising a first molecular sieve having one-dimensional 10-membered ring channels, and a second molecular sieve having more-dimensional channels; a process for the preparation of such catalyst particles; and a process for the preparation of an olefinic product, comprising reacting an oxygenate feedstock in a reaction zone in the presence of catalyst particles of the invention.

Abstract: The invention relates to a process for converting hydrocarbons with a catalyst comprising a crystalline molecular sieve composition which is obtainable by crystallizing a pre-formed extrudate mixture in a reactor and, during crystallization, removing excess alkali metal hydroxide from the pre-formed extrudate. The pre-formed extrudate mixture comprises at least one source of ions of tetravalent element Y, at least one source of alkali metal hydroxide, water, optionally at least one seed crystal, and optionally at least one source of ions of trivalent element X. The reaction mixture has the following mole composition: Y:X2=10 to infinity; OH?:Y=0.001 to 2; and M+:Y=0.001 to 2; wherein M is an alkali metal. The amount of water in the mixture is at least sufficient to permit extrusion of said reaction mixture.

Abstract: The present invention is a mixture comprising by weight 0.01 to 28% of at least one medium or large pore crystalline silicoaluminate, silicoaluminophosphate materials or silicoaluminate mesoporous molecular sieves (co-catalyst) (A) for respectively 99.99 to 72% of at least a MeAPO molecular sieve. Preferably the proportion of (A) is 1 to 15% for respectively 99 to 85% of MeAPO molecular sieves. MeAPO molecular sieves having CHA (SAPO-34) or AEI (SAPO-18) structure or mixture thereof are the most preferable. Si is the most desirable metal in MeAPO. The present invention also relates to catalysts consisting of the above mixture or comprising the above mixture.

Abstract: A new configuration of ZSM-5 is provided whereby the crystals have a higher average silica to alumina ratio at the edges of each crystallite than in the centre as determined from a narrow slit line scan profile obtained from SEM/EDX or TEM/EDX elemental analysis. Such ZSM-5 crystals are obtained by a preparation process using L-tartaric acid. The new configuration ZSM-5 provides significantly reduced xylene losses in ethylbenzene dealkylation, especially when combined with silica as binder, and one or more hydrogenation metals selected from platinum, tin, lead, silver, copper, and nickel. Further advantages are found if used in combination with a small crystal size ZSM-5.

Abstract: This invention focuses on the specialized catalyst and/or additive for lower FCCU gasoline and diesel blendstock component sulfur content. This invention utilizes a specified ratio of the transition metal oxides of cobalt and molybdenum to accomplish gasoline and diesel blendstock sulfur reduction. This is accomplished by minimizing sulfur compound formation in the FCCU riser. The cobalt and molybdenum oxides in the presence of H2S from cracked organic sulfur compounds are converted to metal sulfides. A portion of the overall sulfur reduction in the gasoline and diesel blendstock occurs emitted NOx also is reduced.

Abstract: Zeolite-based honeycomb bodies and methods of manufacturing same. Zeolite-based honeycomb bodies especially suited for engine exhaust treatment applications include a primary phase comprising a zeolite having a SiO2 to Al2O3 molar ratio in the range from 5 to 300. The zeolite-based composites are porous with an open porosity of at least 25% and a median pore diameter of at least 1 micron. The zeolite-based honeycomb bodies can be manufactured by an extrusion method.

Abstract: A process for dewaxing a waxy component-containing hydrocarbon feedstock comprises contacting the feedstock under dewaxing conditions with a catalyst system comprising ZSM-48 and a molecular sieve of the MTT framework type.

Abstract: A catalyst composition comprising on weight basis the following components: a) 30 to 99.5% of at least one intergrowth molecular sieve; b) 0 to 20% of a rare earth element or oxides thereof; c) 0 to 10% of at least one element from Group VA of the Periodic Table or oxides thereof; d) 0 to 10% of at least one element from Group IIIA of the Periodic Table or oxides thereof; e) 0 to 20% of at least one element from Group IB or IIB of the Periodic Table or oxides thereof; f) 0 to 20% of at least one element from Group IA or IIA of the Periodic Table or oxides thereof; and g) 0 to 65% of a binder, wherein the components b), c), d), e) and f) are supported on the component a), and contents of at least two of the components b), c), d), e) and f) are larger than zero, is described. A process for preparing said catalyst composition and a process for the production of olefins via catalytic cracking by using said catalyst composition are also described.

Abstract: This invention relates to a composition with desulfurization property, in which the desulfurization component is a kind of molecular sieves with incorporation of vanadium into the skeleton. The composition has high hydrothermal stability and the vanadium is hard to lose.

Abstract: Provided are a catalyst which inhibits light paraffins form being produced in catalytic cracking of heavy hydrocarbons and which effectively produces olefins and a process in which the above catalyst is used to produce olefins from heavy hydrocarbons at a high yield. The catalyst is a catalytic cracking catalyst for catalytically cracking a hydrocarbon raw material, comprising (A) pentasil type zeolite modified with a rare earth element and zirconium and (B) faujasite type zeolite, and the process is a production process for olefin and a fuel oil, comprising bringing a heavy oil containing 50 mass % or more of a hydrocarbon fraction having a boiling point of 180° C. or higher into contact with the catalyst described above to crack it.

Abstract: Systems and methods are provided for reducing NOx emissions from a vehicle including an engine having an exhaust. In one example, the system comprises a NOx reducing system coupled to the engine exhaust including a base metal zeolite, said NOx reducing system including a first layer with a first pore size and a second layer with a second pore size, said first pore size being smaller than said second pore size.