Abstract: The present invention provides an improved fluidized catalytic cracking process coupled with a two stage regeneration process in which the activity of the circulating catalyst is independently controlled for cracking hydrocarbon feedstocks or the vapors at low severity to produce maximum light cycle oil/distillate in one riser whilst cracking recycle streams comprising heavy cycle oil (HCO), light cracked naphtha (LCN) etc. in a second riser operating at high severity to produce LPG.

Abstract: A catalyst composition that has superior attrition performance and a method that produces said catalyst composition to be used for fluid catalytic cracking processes to convert a heavy hydrocarbon fraction into mainly liquid fuels, particularly gasoline and light olefins. The catalyst composition has a moisture level or loss on ignition below 12 wt % and attrition rate below 3 wt. %/hr.

Abstract: The present invention describes a hydrocracking and/or hydrotreatment process using a catalyst comprising an active phase containing at least one hydrogenating/dehydrogenating component selected from the group VIB elements and the non-precious elements of group VIII of the periodic table, used alone or in a mixture, and a support comprising at least one dealuminated zeolite Y having an overall initial atomic ratio of silicon to aluminium between 2.5 and 20, an initial weight fraction of extra-lattice aluminium atoms greater than 10%, relative to the total weight of aluminium present in the zeolite, an initial mesopore volume measured by nitrogen porosimetry greater than 0.07 ml·g?1 and an initial crystal lattice parameter a0 between 24.38 ? and 24.30 ?, said zeolite being modified by a) a stage of basic treatment comprising mixing said dealuminated zeolite Y with a basic aqueous solution, and at least one stage c) of thermal treatment.

Abstract: Process for the preparation of a catalyst suitable for use in a naphtha reforming process, the process including providing a Y zeolite with an initial SiO2:Al2O3 molar ratio of at least 150, introducing the Y zeolite to a binder to form an intermediate composition, extruding the intermediate composition, reducing the alpha acidity of the extruded composition to provide a low acid composition, and introducing a noble metal to the low acid composition. Processes and systems of converting naphtha to a higher-octane hydrocarbon supply using catalysts, as prepared herein, are also disclosed.

Abstract: An adsorbent media composition has a finished media lithium-exchanged zeolite X (LiX) with a finished Li content in a range from 96% to 83%, based on the total cation equivalents in the LiX. The adsorbent media composition is obtained from a slurry comprising water, a LiX precursor having a pre-media production Li content that is greater than the finished media LiX Li content, and another media component material, such as fibers. The water used to produced the media has a specific conductance in a range from 2.2 ?Siemens/cm to 150 ?Siemens/cm. The finished media LiX has a monovalent cation (Na, K, Rb, Cs and combinations thereof) in a range from 0.05% to 3%, based on the total equivalents of exchangeable cations in the finished media LiX.

Abstract: A hydrocracking catalyst comprising zeolite crystallized as a layer on the surface of a porous alumina-containing matrix, said zeolite-layered matrix arranged in a configuration to provide macropores in which the zeolite layer is provided on the walls of the macropores. Hydrogenating metals can be incorporated into the catalyst.

Abstract: The present invention provides a method of producing a liquid fuel enabling production of middle distillate at a high yield from a feed oil containing paraffinic hydrocarbons having 20 to 100 carbon atoms as main components without losing the high cracking activity and also enabling provision of high quality gas oil included in the middle distillate. A feed oil containing paraffinic hydrocarbons having 20 to 100 carbon atoms as main components is subjected to hydrotreating in the present of a prespecified hydrotreating catalyst and under the conditions for hydrotreating including a temperature of 200 to 350° C., a liquid hourly space velocity of 0.1 to 5.0 h?1, and a partial pressure of hydrogen of 0.5 to 8 MPa to obtain an effluent oil, and then the effluent oil is fractionated to obtain middle distillate including a gas oil with a cetane number of 75 or over and a pour point of ?27.5° C. or below at a yield of 55% or over against a total weight of the feed oil.

Abstract: This invention relates to hydrocracking catalysts utilizing stabilized aggregates of small primary crystallites of zeolite Y that are clustered into larger secondary particles. At least 80% of the secondary particles may comprise at least 5 primary crystallites. The size of the primary crystallites may be at most about 0.5 micron, or at most about 0.3 micron, and the size of the secondary particles may be at least about 0.8 micron, or at least about 1.0 ?m. The silica to alumina ratio of the resulting stabilized aggregated Y zeolite may be 4:1 or more. This invention also relates to the use of such catalysts in hydrocracking processes for the conversion of heavy oils into lighter fuel products. The invention is particularly suited for the selective production of diesel range products from gas oil range feedstock materials under hydrocracking conditions.

Abstract: This invention relates to aggregates of small primary crystallites of zeolite Y that are clustered into larger secondary particles. At least 80% of the secondary particles may comprise at least 5 primary crystallites. The size of the primary crystallites may be at most about 0.5 micron, or at most about 0.3 micron, and the size of the secondary particles may be at least about 0.8 micron, or at least about 1.0 ?m. The silica to alumina ratio of the resulting stabilized aggregated Y zeolite may be 4:1 or more.

Abstract: This invention relates to stabilized aggregates of small primary crystallites of zeolite Y that are clustered into larger secondary particles. At least 80% of the secondary particles may comprise at least 5 primary crystallites. The size of the primary crystallites may be at most about 0.5 micron, or at most about 0.3 micron, and the size of the secondary particles may be at least about 0.8 micron, or at least about 1.0 ?m. The silica to alumina ratio of the resulting stabilized aggregated Y zeolite may be 4:1 or more.

Abstract: This invention relates to the composition and synthesis of an Extra Mesoporous Y (or “EMY”) zeolite and its use in the catalytic conversion of organic compounds. In particular, this invention relates to a Y-type framework zeolite possessing a high large mesopore pore volume to small mesopore pore volume ratio. The novel zeolite obtained provides beneficial structural features for use in petroleum refining and petrochemical processes.

Abstract: Supported zeolite Y membranes exhibiting exceptionally high CO2 selectivities when used in CO2/N2 gas separations are produced by a seeding/secondary (hypothermal) growth approach in which a structure directing agent such as tetramethylammonium hydroxide is included in the aqueous crystal-growing composition used for membrane formation.

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 catalyst containing a zeolite component and a metal oxide component, wherein the metal oxide component is ion-exchanged with the zeolite component resulting in an ion-modified zeolite, and wherein, under reaction conditions, the metal oxide component transforms into other oxide structures.

Abstract: A process for making styrene including providing a C1 source to a reactor containing a catalyst and reacting toluene with the C1 source in the presence of the catalyst to form a product stream comprising ethylbenzene and styrene. The C1 source can be selected from the group of methanol, formaldehyde, formalin, trioxane, methylformcel, paraformaldehyde, methylal, dimethyl ether, and combinations thereof, and wherein the catalyst contains a nitrogen-substituted zeolite.

Abstract: A germanium modified catalyst is disclosed that can be prepared by providing a germanium source and a substrate including silica; contacting the substrate with the germanium source; and obtaining a catalyst including germanium. The contacting of the substrate with the germanium source results in the substitution of at least a portion of the silica with germanium to increase the basicity of the catalyst. The catalyst can be used in a process for making styrene that includes reacting toluene with a C1 source in the presence of the catalyst to form a product stream including ethylbenzene and styrene.

Abstract: Disclosed is a process for the preparation of a faujasite zeolite. A starting zeolite of the faujasite structure having a silica to alumina ratio of from 4.5 to 6.5 and an alkali level of less than 1.5% wt is steam calcined to produce an intermediate zeolite. The intermediate zeolite is treated with an acidified solution having specificately defined characteristics.

Abstract: A zeolite X having (a) a Si/Al framework mole ratio in a range from 1.0 to 1.5; (b) a mean diameter not greater than 2.7 microns; and (c) a relative LTA intensity not greater than 0.35, as determined by x-ray diffraction (XRD). The relative LTA intensity is calculated as 100 times the quotient of a sample LTA XRD intensity divided by a reference XRD intensity of an LTA-type zeolite material. The intensities are summed for each LTA peak with Miller indices of (2 0 0), (4 2 0), and (6 2 2) at 7.27±0.16°, 16.29±0.34° and 24.27±0.50° 2?.

Abstract: The present invention relates to a method for preparing substrate-molecular sieve layer complex by vising ultra-sound and apparatuses used therein, more particularly to a method for preparing substrate-molecular sieve layer complex by combining substrate, coupling compound and molecular sieve particle, wherein covalent, ionic, coordinate or hydrogen bond between a substrate and a coupling compound; molecular sieve particle and coupling compound; coupling compounds; coupling compound and intermediate coupling compound is induced by using 15 KHz-100 MHz of ultrasound instead of simple reflux to combine substrate and molecular sieve particles by various processes, further to reduce time and energy, to retain high binding velocity, binding strength, binding intensity and density remarkably, to attach molecular sieve particle uniformly onto all substrates combined with coupling compound selectively, even though substrate with coupling compound and substrate without coupling compound exist together; and apparatuses

Abstract: A metal-modified alkylation catalyst including a metal/zeolite is provided where the metal is one or two selected from the group consisting of yttrium and a rare earth of the lanthanide series other than cerium. Where two metals are used, one may be Ce or La. The metal-promoted zeolite is useful as a molecular sieve aromatic alkylation catalyst for the production of ethylbenzene by the ethylation of benzene in the liquid phase or critical phase. An alkylation product is produced containing ethylbenzene as a primary product with the attendant production of heavier alkylated by-products of no more than 10-60 wt % of the ethylbenzene.

Abstract: Binderless BaKX zeolitic adsorbents, methods for their production, and processes for their use in a liquid phase adsorptive separation process are provided. An adsorbent includes a binder-converted zeolite portion formed from x wt % kaolin clay binder and (100-x) wt % unconverted Zeolite X with a silica:alumina molar ratio of about 2.5. The kaolin clay binder is in the range of about 10 to about 20 wt %. Ba and K occupy cationic exchangeable sites within the adsorbent. K is in the range of about 0.25 to about 0.9% by weight and Ba is greater than about 31.6% by weight of the binderless BaKX zeolitic adsorbent. Cornstarch may be added to the Zeolite X and kaolin clay binder to increase adsorbent macro-porosity and pore volume. Productivity of the adsorbent is improved decreasing process operating costs. The mechanical strength of the adsorbent is also improved.

Abstract: An agent for rendering harmless a halogen-containing gas such as a halogen-containing exhaust gas, which comprises a faujasite zeolite having a SiO2/Al2O3 ratio of 2.0 to 2.3 and containing at least one cation selected from alkali metal cations and alkaline earth metal cations. The cation is preferably selected from Na and K, and, more preferably, the cation comprises at least 70 mol % of Na and not larger than 30 mol % of K. The agent is used in the form of a molded body made using a binder.

Abstract: A honeycomb structure includes a honeycomb unit containing zeolite and an inorganic binder and having a plurality of cell walls to define a plurality of cells extending from a first end face to a second end face of the honeycomb unit along a longitudinal direction of the honeycomb unit. The honeycomb unit is manufactured by molding and firing raw material paste containing zeolite particles and the inorganic binder. The zeolite particles have a D50 of approximately 3.6 ?m or more. An average pore size of the cell walls is more than or equal to approximately 0.10 ?m and less than or equal to approximately 0.50 ?m. An average particle size of the cell walls is more than or equal to approximately 3.6 ?m and less than or equal to approximately 7.0 ?m.

Abstract: This invention relates to aggregates of small particles of synthetic faujasite zeolite. Small primary particles of zeolite are clustered into larger secondary particles. The observable average width of the primary particles may be 0.3 micron or less and the observable average width of the secondary particles may be 0.8 micron or more. The silica to alumina ratio of the zeolite may be less than 4:1.

Abstract: Methods and apparatus relate to processing of petroleum with a bed having a sorbent based diluent that the petroleum contacts upon passing through the bed. Magnetic properties of the sorbent and any other material, such as zeolite, used in the bed enable separation of such bed constituents based on a sulfided form of the sorbent being magnetic in contrast to a non-sulfided form of the sorbent being non-magnetic. Dividing the bed constituents into first and second portions by magnetic separation facilitates in selective replacing and/or regenerating the first portion independent of the second portion.

Abstract: A gas separation process uses a structured particulate bed of adsorbent coated shapes/particles laid down in the bed in an ordered manner to simulate a monolith by providing longitudinally extensive gas passages by which the gas mixture to be separated can access the adsorbent material along the length of the particles. The particles can be laid down either directly in the bed or in locally structured packages/bundles which themselves are similarly oriented such that the bed particles behave similarly to a monolith but without at least some disadvantages. The adsorbent particles can be formed with a solid, non-porous core with the adsorbent formed as a thin, adherent coating on the exposed exterior surface. Particles may be formed as cylinders/hollow shapes to provide ready access to the adsorbent. The separation may be operated as a kinetic or equilibrium controlled process.

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: Provided is a catalyst for hydrocracking of heavy oil which is excellent in both functions of cracking activity and desulfurization activity with respect to heavy oil by striking a balance between the cracking activity and desulfurization activity and which includes a support including a crystalline aluminosilicate and a porous inorganic oxide excluding the crystalline aluminosilicate, with an active metal being supported on the support, in which (a) the support includes the crystalline aluminosilicate in an amount of 45% by mass or greater and smaller than 60% by mass and the porous inorganic oxide excluding the crystalline aluminosilicate in an amount of greater than 40% by mass and 55% by mass or smaller, based on the sum of an amount of the crystalline aluminosilicate and an amount of the porous inorganic oxide excluding the crystalline aluminosilicate, (b) the active metal is at least one kind of metal selected from metals belonging to Groups 6, 8, 9, and 10 of the Periodic Table, and (c) the catalyst fo

Abstract: The invention is a composition that is suitable for reducing sulfur species from products produced by petroleum refining processes, especially gasoline products produced by fluidized catalytic cracking (FCC) processes. The composition comprises zeolite, yttrium, and at least one element selected from the group consisting of zinc, magnesium and manganese, wherein the yttrium and element are present as cations. The yttrium and zinc are preferably present as cations that have been exchanged onto the zeolite. The zeolite is preferably a zeolite Y.

Abstract: A catalytic composition is described for the transalkylation of aromatic hydrocarbons comprising a zeolite and an inorganic binder, characterized by an extra-zeolitic porosity, i.e. the porosity obtained by adding the mesoporosity and the macroporosity fractions present in the catalytic composition, higher than or equal to 0.7 cc/g, which is such as to consist for a fraction of at least 30% of pores having a diameter greater than 100 nanometers. These catalytic compositions have a crushing strength not lower than 1.7 kg/mm and an apparent density not higher than 0.5 g/cc. A process is also described for the transalkylation of polyalkylated aromatic hydrocarbons which uses these catalytic compositions.

Abstract: A catalyst system is disclosed for catalytic pyrolysis of a solid biomass material. The system comprises an oxide, silicate or carbonate of a metal or a metalloid. The specific combined meso and macro surface area of the system is in the range of from 1 m2/g to 100 m2/g. When used in a catalytic process the system provides a high oil yield and a low coke yield. The liquid has a relatively low oxygen content.

Abstract: A method of making a catalyst containing nanosize zeolite particles supported on a support material is disclosed. A process for making styrene or ethylbenzene by reacting toluene with a C1 source over a catalyst containing nanosize zeolite particles supported on a support material is disclosed.

Abstract: The invention is to provide a support which can give a zeolite-based hydrocracking catalyst having a stable catalyst life and showing high cracking activity over a long period, and to provide a hydrocracking catalyst employing the support and a method for hydrocracking of hydrocarbon oil containing aromatics using the catalyst. The invention relates to a support for hydrocracking catalyst of hydrocarbon oil, which comprises a modified zeolite obtained by incorporating titanium into a faujasite-type zeolite, wherein the modified zeolite satisfies the followings (a) to (e), and to a hydrocracking catalyst employing the support and a method for hydrocracking of hydrocarbon oil containing aromatics using the catalyst. (a) The modified zeolite has a titanium content of 1-17% by mass in terms of metal oxide amount, (b) the modified zeolite contains aluminum and silicon in an Al/Si atomic ratio of 0.14-0.35, and (c) the modified zeolite has a lattice constant of 24.36-24.

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: A catalytic composition for hydrotreating of hydrocarbons is made in which a metallic component for hydrogenation is carried on a carrier formed of zeolite Y with aluminum and titanium inserted therein and a porous inorganic oxide. The zeolite Y has: unit cell dimension in a range from 24.25 to 24.60 ?, crystallinity of 95% or more, specific surface area of 500 m2/g or more, total pore volume of a group of pores each having a diameter of 600 ? or below in a range from 0.45 to 0.70 ml/g, pore volume of a group of pores each having a diameter in a range from 100 to 600 ? in a range from 0.10 to 0.40 ml/g, and pore volume of a group of pores each having a diameter in a range from 35 to 50 ? in a range 0.03 to 0.15 ml/g.

Abstract: Extruded honeycomb catalyst bodies and methods of manufacturing same. The catalyst body includes a first oxide selected from the group consisting of tungsten oxides, vanadium oxides, and combinations thereof, a second oxide selected from the group consisting of cerium oxides, lanthanum oxides, zirconium oxides, and combinations thereof, and a zeolite.

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: High rate and high crush-strength adsorbent particles and collections of such particles, and particularly LiLSX particles, are provided. A binder is employed in the form of a colloidal solution during the method of manufacture. Suitable binders include various silica binders. The particles are made using the steps of mixing, agglomeration, calcination and in the case of certain adsorbents such as LiX and LiLSX, ion exchange and activation. When the adsorption rate is expressed in the form SCRR/?p (mmol mm2/g s), desirable collections of adsorbent particles can have values of at least 4.0 for the highly-exchanged Li (at least 90% Li exchanged) form of the collection of particles and can further be characterized by particles having average crush strengths of at least 0.9 lbf for particles having an average diameter of at least about 1.0 mm.

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: 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: Solid acid catalysts for use in alkylation processes are described. The solid acid catalysts include a multimetallic (e.g. bimetallic, trimetallic or tetrametallic) component that performs a hydrogenating function for the reactivation (or regeneration) of the catalyst in the presence of hydrogen. The multimetallic catalyst includes a noble metal such as platinum or palladium. The invention also relates to alkylation processes using the multimetallic solid acid catalysts having a multimetallic component for hydrogenation.

Abstract: The invention relates to a Y-type zeolite having a modified faujasite structure, the intracrystalline structure of which includes at least one network of micropores, at least one network of small mesopores having an average diameter ranging from 2 to 5 nm, and at least one network of large mesopores having an average diameter ranging from 10 to 50 nm. The invention also relates to particles including such zeolites and to the use thereof in a method for processing crude oil, particularly as a hydrocracking catalyst.

Abstract: A solid alkylation catalyst having a hydrogenation metal and a solid acid in the form of a rare earth exchanged molecular sieve, wherein the catalyst is at least characterized by a porosity of less than 0.20 ml/g in pores below 100 nm in diameter, and a total porosity of greater than 0.30 ml/g. A process for alkylation using the catalyst is also described.

Abstract: Disclosed is an adsorbent media for use in adsorption systems and a method of making the same. The media includes a relatively thin support layer such as paper, an adsorbent such as a zeolite and non-activated pitch-based carbon fibers. The relatively thin layer, porous media provides the advantages of faster mass flow. Because the pitch-based carbon fibers are not activated, they retain their high thermal conductivity and, therefore, provide for fast and efficient heat diffusion through the media.

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: The invention relates to a FAU-type zeolite membrane that comprises a FAU-type zeolite crystal layer incorporated in the surface porosity of at least one selected face of a porous substrate, in which the ratio between the thickness of said zeolite layer incorporated in the surface porosity of said selected face of the substrate and the total thickness of said zeolite layer is at least 70%. It also relates to processes for preparation and application of these membranes.

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: A method is disclosed of preparing a catalyst including providing a substrate and a first solution containing at least one promoter, contacting the substrate with the solution to obtain a catalyst containing at least one promoter, wherein the contacting of the substrate with the solution subjects the substrate to the addition of at least one promoter.

Abstract: Supported zeolite Y membranes exhibiting exceptionally high CO2 selectivities when used in CO2/N2 gas separations are produced by a seeding/secondary (hypothermal) growth approach in which a structure directing agent such as tetramethylammonium hydroxide is included in the aqueous crystal-growing composition used for membrane formation.

Abstract: A catalytic composition for hydrotreating of hydrocarbons is made in which a metallic component for hydrogenation is carried on a carrier formed of zeolite Y with aluminum and titanium inserted therein and a porous inorganic oxide. The zeolite Y has: unit cell dimension in a range from 24.25 to 24.60 ?, crystallinity of 95% or more, specific surface area of 500 m2/g or more, total pore volume of a group of pores each having a diameter of 600 ? or below in a range from 0.45 to 0.70 ml/g, pore volume of a group of pores each having a diameter in a range from 100 to 600 ? in a range from 0.10 to 0.40 ml/g, and pore volume of a group of pores each having a diameter in a range from 35 to 50 ? in a range 0.03 to 0.15 ml/g.