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7611689 |
Faujasite zeolite, its preparation and use in hydrocracking
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 Å; a bulk silica to alumina ratio (SAR) in the range of from 5 to 10;...
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7605110 |
Ceramic body, ceramic catalyst body and related manufacturing methods
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...
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7585812 |
High surface area, small crystallite size catalyst for Fischer-Tropsch synthesis
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...
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7582202 |
Composition comprising a metal hydroxy salt, its preparation and use as catalyst or sorbent
A Composition comprising one or more metal hydroxy salts and a matrix, binder or carrier material, wherein the metal hydroxy salt is a compound comprising (a) as metal either (i) one or more...
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7569511 |
Catalyst composition for alcohol steam reforming
An alcohol steam reforming catalyst for generating hydrogen contains palladium, yttrium, and at least one of cerium and a metal oxide. The catalyst displays both an improved alcohol conversion rate...
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7563744 |
Catalyst featuring silicone dioxide based support material for the purification of exhaust gases
The present invention relates to a catalyst for the purification of exhaust gases from an internal combustion engine, which comprises a catalytically active coating on an inert ceramic or metal...
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7553791 |
Heavy aromatics conversion catalyst composition and processes therefor and therewith
A catalyst composition, a process for producing the composition and a process for the conversion of a feedstock containing C 9 + aromatic hydrocarbons to produce a resulting product containing...
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7538065 |
Noble metal-containing catalyst containing a specific ratio of silica to aluminum in the framework
An improved noble metal-containing catalyst containing a specific ratio of silica to aluminum in the framework suitable for use in the hydroprocessing of hydrocarbonaceous feeds, which is directed...
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7534738 |
Engine exhaust catalysts containing palladium-gold
An emission control catalyst that exhibits improved CO and HC reduction performance includes a supported platinum-based catalyst, and a supported palladium-gold catalyst. The two catalysts are...
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7524788 |
Process for the alkylation of aromatic compounds
Process for preparing alkylated aromatic compounds which comprises reacting an aromatic compound with a ketone and hydrogen in the presence of a catalytic composition comprising a solid acid...
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7517826 |
Engine exhaust catalysts containing zeolite and zeolite mixtures
A multi-layer emission control catalyst exhibits improved CO and HC reduction performance. The bottom layer includes a supported catalyst comprising platinum and palladium particles or palladium...
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7510645 |
Hydrocracking catalyst containing beta and Y zeolites, and process for its use to produce naphtha
Increased yields of naphtha and increased catalyst activity are obtained in a hydrocracking process by the use of a catalyst containing a beta zeolite and a Y zeolite having a unit cell size from...
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7507684 |
Extruded monolithic catalytic converter and manufacturing method
The invention relates to an extruded solid catalyst body for breaking down nitrogen oxides in the presence of a reducing agent as well as to a process for manufacture of said body. The solid...
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7485595 |
Molecular sieve-containing catalyst for cracking hydrocarbons and a method for preparing the same
A molecular sieve-containing catalyst for cracking hydrocarbons, comprising molecular sieve, refractory inorganic oxide, clay and a metal component, wherein the amount of said molecular sieve is...
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7473667 |
Platinum-free ruthenium-cobalt catalyst formulations for hydrogen generation
A method and catalysts and fuel processing apparatus for producing a hydrogen-rich gas, such as a hydrogen-rich syngas are disclosed. According to the method, a CO-containing gas, such as a syngas,...
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7470801 |
Direct epoxidation process using a mixed catalyst system
Catalyst mixtures useful for the direct epoxidation of olefins are disclosed. The catalyst mixture comprises a titanium or vanadium zeolite and a supported catalyst comprising a noble metal,...
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7459413 |
Catalyst composition for treating heavy feedstocks
The present invention provides a catalyst and a process for its preparation and its use in cracking heavy feedstocks. The catalyst comprises one or more zeolites having a controlled silica to...
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7452846 |
Desulfurization with octane enhancement
A desulfurization system employing a system of fluidizable and circulatable solid particles to desulfurize a hydrocarbon-containing fluid in a fluidized bed reactor. The solid particulate system...
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7452844 |
High surface area, small crystallite size catalyst for Fischer-Tropsch synthesis
The Fischer-Tropsch catalyst of the present invention is a transition metal-based catalyst having a high surface area, a smooth, homogeneous surface morphology, an essentially uniform distribution...
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7449421 |
Catalyst and its use for improving the pour point of hydrocarbon charges
A catalyst comprising at least one zeolite (molecular sieve) chosen from the group formed by the TON structure type zeolites (Theta-1, ZSM-22, ISI-1, NU-10 and KZ-2) and at least one zeolite chosen...
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7446070 |
Exhaust gas-purifying catalyst
An exhaust gas-purifying catalyst includes a zeolite and a perovskite composite oxide containing palladium placed at its B site.
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7446069 |
Fluoride-modified zeolite catalyst
A method of modifying a ZSM-5-type zeolite catalyst to increase selectivity of the catalyst for para-isomers in aromatic alkylation reactions is provided. The method includes contacting a...
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7432384 |
Direct epoxidation process
A process is disclosed for the epoxidation of an olefin with hydrogen and oxygen in the presence of an oxidation catalyst comprising a transition metal zeolite and a polymer-encapsulated noble...
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7416809 |
Catalyst materials for fuel cells
An improved direct liquid-feed fuel cell having a solid membrane electrolyte for electrochemical reactions of an organic fuel. Improvements in interfacing of the catalyst layer and the membrane and...
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7410924 |
Hydrocracking catalyst comprising a microporous crystalline solid material
The invention relates to a hydrocracking catalyst containing: a hydrogenative component which is selected from at least one group VIB metal, at least one group VIII metal and combinations of same;...
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7407907 |
Dual functional catalyst for selective opening of cyclic paraffins and process for using the catalyst
A catalyst for selectively opening cyclic paraffins has been developed. The catalyst comprises a Group VIII metal, such as platinum, a modifier component, such as niobium or ytterbium, a molecular...
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7405177 |
Catalyst for selective opening of cyclic naphtha and process for using the catalyst
A catalyst and process for opening aliphatic cyclic hydrocarbons have been developed. The catalyst comprises a catalytic metal component, a molecular sieve and refractory inorganic oxide component....
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7399726 |
Process for direct oxidation of propylene to propylene oxide and large particle size titanium silicalite catalysts for use therein
Large crystals of titanium silicalite or intergrowths of intergrown smaller crystals, having a mean particle size greater than 2 μm, have been found catalytically effective at commercially...
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7390763 |
Preparing small crystal SSZ-32 and its use in a hydrocarbon conversion process
The invention is directed to a method of making a small crystal SSZ-32 zeolite, known as SSZ-32X. The catalyst is suitable for use in a process whereby a feed including straight chain and slightly...
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7390347 |
Zeolite membranes for selective oxidation of carbon monoxide in mixed hydrogen gas source
Methods and apparatus are taught for selectively oxidizing carbon monoxide in a source of gas containing carbon monoxide and hydrogen. A gas containing carbon monoxide and hydrogen is fed into a...
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7381677 |
Ethylbenzene conversion and xylene isomerization processes and catalysts therefor
Catalysts comprise a combination of molecular sieve having a pore diameter of from about 4 to 8 angstroms and a catalytically-effective amount of molybdenum hydrogenation component and a sufficient...
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7344696 |
Porous crystalline material (zeolite ITQ-24), preparation method thereof and use of same in the catalytic conversion of organic compounds
The invention relates to a porous crystalline material (ITQ-24), the preparation method thereof and the use of same in the catalytic conversion of organic compounds. More specifically, the...
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7339142 |
Heating device coated with a self-cleaning coating
The invention relates to a heating device ( 1 ) comprising a metallic substrate ( 2 ) whose at least one part is coated with a self-cleaning coating. The inventive coating consists of an external...
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7329624 |
Regenerable adsorbents for the purification of silicone based solvents
An adsorbent for removal of impurities from silicone based solvents is presented. The adsorbent is regenerable for repeated use in cleaning silicone based solvents.
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7307034 |
Alumina guard bed for aromatics transalkylation process
A transalkylation process for reacting carbon number nine aromatics with toluene to form carbon number eight aromatics such as para-xylene is herein disclosed. The process is based on the discovery...
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7304011 |
Compositions and processes for reducing NOx emissions during fluid catalytic cracking
Compositions for reduction of NO x generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic...
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7300900 |
Catalyst comprising at least one zeolite chosen from ZBM-30, SM-48 EU-2 and EU-11 and at least one Y zeolite and process of hydroconversion of hydrocarbon charges using such a catalyst
A hydrocracking catalyst containing at least one matrix, at least one zeolite chosen from the group formed by the zeolites ZBM-30, ZSM-48, EU-2, and EU-11, at least one Y zeolite, at least one...
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7291577 |
Hydrometallurgical process for production of supported catalysts
A process for the production of a supported catalyst. The process comprises heating a slurry that comprises a catalyst support and at least one active catalytic ingredient precursor. Gas is...
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7285512 |
Selective hydrodesulfurization catalyst
This invention relates to a catalyst and process for selectively hydrodesulfurizing naphtha feedstreams using a catalyst comprising at least one hydrodesulfurizing metal supported on a low acidity,...
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7271118 |
Xylenes isomerization catalyst system and use thereof
A catalyst system that exhibits a ratio of ethylene saturation to aromatics ring saturation of greater than 3,500. The catalyst system comprises two components and each component comprises a...
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7271117 |
Epoxidation catalyst
Noble metal-containing titanium or vanadium zeolite catalysts are prepared by adding a noble metal source to a titanium or vanadium zeolite that contains templating agent used in the preparation of...
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7267758 |
Flexible method for producing oil bases and middle distillates with hydroisomerization-conversion followed by catalytic dewaxing
For producing very high quality base stock and for simultaneously producing high quality middle distillates, successive hydroisomerisation and catalytic dewaxmg steps are employed wherein the...
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7265073 |
Exhaust gas purifying catalyst and process for purifying exhaust gas
An exhaust gas purifying catalyst formed by having a first rhodium-containing catalyst layer, a second zeolite-containing catalyst layer, and a third palladium-containing catalyst layer superposed...
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7261865 |
Heatable honeycomb body with two different coatings
An electrically heatable honeycomb body, in particular for cleaning exhaust gas originating in an internal combustion engine. The honeycomb body has at least two zones arranged in series in the...
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7250106 |
Flexible process for the production of oil bases and middle distillates with a converting pretreatment stage followed by a catalytic dewaxing stage
For the production of high quality base oils with production of high quality middle distillates, feedstocks are obtained from the distillation of crude or from units for transformation and refining...
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7238636 |
High temperature calcination of selectivated molecular sieve catalysts for activity and diffusional modification
A method is disclosed for modifying a catalytic molecular sieve for shape-selective hydrocarbon conversions comprises:
a) selectivating said catalytic molecular sieve by contacting with a...
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7235507 |
Catalyst for purifying diesel engine exhaust emissions
A diesel oxidation catalyst comprising a honeycomb substrate washcoated with a mixture of clay, a refractory oxide and a zeolite is disclosed. The washcoated substrate is subsequently deposited...
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7220692 |
Catalyst for selective NOx reduction using hydrocarbons
A two phase catalyst is disclosed with one or more transition metals such as Cu, Co, Fe, Ag and Mo supported on a molecular sieve having a pore size not greater than 8 Å along with a stabilizing...
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7205448 |
Process for the removal of nitrogen compounds from a fluid stream
At lower temperatures an acidic molecular sieve adsorbent preferentially adsorbs water and basic organic nitrogen compounds over weakly basic organic nitrogen compounds such as nitrites. Elevated...
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7199070 |
Conversion catalyst for ethylbenzene containing xylenes and process for converting ethylbenzene containing xylenes by using catalyst
A catalyst in which X-ray diffraction intensity ratio of the crystal lattice plane spacing d-value of 0.196±0.002 nm to the crystal lattice plane spacing d-value of 0.386±0.008 nm is in a range...
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