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7625430 |
Use of aluminas as capture mass for organometallic silicon complexes
The present invention concerns a process for capturing organosiliceous complexes in the gaseous or liquid phase on a solid containing at least 80% by weight of alumina after calcining at 1000° C....
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7622623 |
Catalytically inactive heat generator and improved dehydrogenation process
An improved dehydrogenation catalyst bed system for olefin production utilizing classical processing techniques is disclosed. The catalyst bed system comprises a dehydrogenation catalyst comprising...
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7612244 |
Catalyst and gas phase method using such a catalyst
The invention provides a catalyst containing active elements including copper deposited on alumina containing at least 0.03 g of titanium, expressed in metal form, per kg of alumina and use thereof...
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7611680 |
Platinum-bismuth catalysts for treating engine exhaust
An engine exhaust catalyst containing precious metal nanoparticles is promoted with bismuth. The bismuth promotion improves the catalyst's CO oxidation performance. Also, by varying the amount of...
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7605109 |
Platinum-bismuth catalysts for treating engine exhaust
An engine exhaust catalyst containing precious metal nanoparticles is promoted with bismuth. The bismuth promotion improves the catalyst's CO oxidation performance. Also, by varying the amount of...
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7605108 |
Catalyst, exhaust gas purification catalyst, and method for manufacturing same
A catalyst which suppresses aggregation of metal particles and which has superior heat resistance. In the catalyst, metal particles are supported by a surface of a carrier while being partially...
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7601671 |
Drying method for exhaust gas catalyst
A method for preparing an exhaust gas catalyst includes preparing a washcoat comprising a catalytically effective amount of at least one catalytically active metal disposed upon an oxide support;...
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7601669 |
Powdery catalyst, exhaust-gas purifying catalyzer, and powdery catalyst production method
In a powdery catalyst ( 1 ), a porous carrier ( 2 ) has a complex part ( 3 ) configured to hold a noble metal particle ( 4 ), the complex part being composed of a transition metal material and a...
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7601262 |
Sub-micron filter
Aluminum hydroxide fibers approximately 2 nanometers in diameter and with surface areas ranging from 200 to 650 m 2 /g have been found to be highly electropositive. When dispersed in water they are...
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7598203 |
Hydrogenation catalyst for hydrocarbon oil, carrier for it, and method of hydrogenation of hydrocarbon oil
Provided are a hydrogenation catalyst for hydrocarbon oil, having markedly improved desulfurization activity, denitrogenation activity, and dearomatization activity; a carrier for the catalyst and...
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7592289 |
Process for activating cobalt catalysts
A particulate pre-reduction cobalt supported Fischer-Tropsch synthesis catalyst precursor which comprises a catalyst support impregnated with cobalt, is treated with a pure hydrogen reducing gas,...
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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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7585809 |
Purification catalyst for exhaust gas, production method therefor, and purification catalyst equipment for exhaust gas
A purification catalyst for exhaust gas which exhibits satisfactory performance even at a low temperature operation of starting or idling of engine (not more than 400° C.), and a production method...
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7585808 |
Methods for preparing catalysts
The present invention is directed to processes for preparing supported metal catalysts comprising one or more catalytically active metals applied to a porous catalyst support and to processes that...
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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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7572427 |
Catalyst supports and carbon nanotubes produced thereon
The present invention is related to single and/or multiple-wall carbon nanotubes which may contain interstitial metals obtainable by a preparation process. The process includes a catalytic step...
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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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7563745 |
Shaped catalyst particles for hydrocarbon synthesis
The invention relates to a shaped catalyst or catalyst precursor containing a catalytically active component or a precursor therefore, the component selected from elements of Group VIII of the...
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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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7563743 |
Doped catalyst and improved process for treatment of hydrocarbon feedstocks
This invention relates to doped catalysts on an aluminosilicate substrate with a low content of macropores and the hydrocracking/hydroconversion and hydrotreatment processes that use them. The...
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7563390 |
Alcohol steam reforming catalysts and methods of alcohol steam reforming
The present invention provides steam reforming catalyst compositions containing Pd and Zn, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties of...
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7560606 |
Titanium oxide and alumina alkali metal compositions
The invention relates to Group 1 metal/porous metal oxide compositions comprising porous metal oxide selected from porous titanium oxide and porous alumina and an alkali metal or an alkali metal...
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7560413 |
Copper-containing materials
Copper/alumina compositions for use as, e.g., catalysts are made by impregnating a porous transition alumina support with an aqueous solution of a copper ammine carbonate complex, draining off any...
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7560412 |
Fluid/slurry bed cobalt-alumina catalyst made by compounding and spray drying
A method for producing a cobalt on alumina catalyst is disclosed. The catalyst is prepared by thoroughly mixing cobalt nitrate into a peptized alumina slurry, and then spray-drying the slurry to...
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7560047 |
Structured catalyst for POX reforming of gasoline for fuel-cell powered vehicles applications and a method of preparing the same
The present invention relates to a structured catalyst for reforming of gasoline and a method of preparing the same, more particularly to a structured catalyst for reforming of gasoline for...
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7553980 |
Process for initiating a highly selective ethylene oxide catalyst
A process for initiating a highly selective ethylene oxide catalyst is provided in which the highly selective ethylene oxide catalyst is operated first as a ‘standard’ Ag-based catalyst (e.g.,...
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7547656 |
Exhaust gas cleaning catalyst
An exhaust gas cleaning catalyst comprising: a carrier substrate; a catalyst carrying layer formed on the carrier substrate; and a noble metal catalyst carried by the catalyst carrying layer;...
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7544285 |
Catalyst composition preparation and use
A bulk metal oxide catalyst composition of the general formula
(X)b(M)c(Z)d(O)e (I)
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7541310 |
Silica-alumina catalyst support, catalysts made therefrom and methods of making and using same
This invention relates to catalysts comprising a catalytic metal deposited on a composite support with well-dispersed chemical “anchor” species acting as nucleation centers for catalytic metal...
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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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7538063 |
Bismuth- and phosphorus-containing reforming catalysts, method of making and naphtha reforming process
Bismuth- and phosphorus-containing naphtha reforming catalysts, methods of making such catalysts, and a naphtha reforming process using such catalysts.
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7537742 |
Process and adsorbent for hydrogen purification
This invention discloses an optimum set of adsorbents for use in H 2 -PSA processes. Each adsorbent bed is divided into four regions; Region 1 contains adsorbent for removing water; Region 2 ...
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7521392 |
Supported catalysts having platinum particles
The catalytic efficiency of supported catalysts containing metal nanoparticles is strongly related to the chemical softness at the surfaces of such nanoparticles. Supported catalysts containing...
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7510994 |
Catalyst for Fischer-Tropsch synthesis and process for producing hydrocarbons
A catalyst is provided which is low in methane selectivity in a high CO conversion region and high in chain growth probability α in a Fischer-Tropsch synthesis and comprises a support comprising...
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7507845 |
Process for production of an olefin oxide
The invention relates to a process for the epoxidation of an olefin, wherein the concentration of the olefin oxide in the outlet is greater than about 2.2% by volume. More particularly, the...
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7507844 |
Nanometer scale restructuring of alumina carrier surface and catalysts for the production of alkene oxides
A carrier and a catalyst useful for the oxidation of ethylene to ethylene oxide which uses the carrier. The carrier is composed of an inert, refractory solid support such as alpha alumina and has a...
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7501379 |
Catalyst for the production of methyl isopropyl ketone
A catalyst for the production of methyl isopropyl ketone containing aluminum and titanium oxides, treated with Group 1 or 2 metal hydroxides, or their salts.
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7501378 |
Catalysts with high cobalt surface area
A method of making a cobalt-containing catalyst precursor, comprising slurrying a transition alumina powder with an aqueous solution of a cobalt ammine complex, heating the slurry to cause the...
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7501377 |
Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins
A catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, contains oxides of molybdenum, bismuth, iron, cesium and,...
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7498289 |
Ni catalysts and methods for alkane dehydrogenation
Catalysts and methods for alkane oxydehydrogenation are disclosed. The catalysts of the invention generally comprise (i) nickel or a nickel-containing compound and (ii) at least one or more of...
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7494739 |
Fuel cell
A fuel cell. The anode of the fuel cell comprises a hydrogen oxidation catalyst comprising a finely divided metal alloy particulate. The metal alloy particulate has an average particle size of less...
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7491675 |
Nanocomposite copper-ceria catalysts for low temperature or near-ambient temperature catalysis and methods for making such catalysts
Nanocomposite copper-ceria catalysts are provided, which comprise copper oxide nanoparticles, copper nanoparticles, or a mixture thereof combined with ceria nanoparticles. Methods for making such...
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7491674 |
Catalyst element and manufacturing method thereof
A catalyst body including a catalytic material containing an alkali metal and/or an alkaline earth metal, a carrier carrying the catalytic material, and a method of manufacturing the catalyst body...
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7491669 |
Adsorbent with multiple layers
A method, article of manufacture and apparatus are disclosed for binding successive layers of a “guest specie” such as an atom, cation, anion, organic molecule, and/or pathogen to a substrate...
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7485600 |
Catalyst for synthesis of carbon single-walled nanotubes
Methods and processes for preparing supported metal catalysts are provided, where the supported metal catalysts can be used for the bulk synthesis of carbon nanotubes. The salts of the metal and...
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7476640 |
Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for automobile exhaust gas
A purification catalyst for exhaust gas enhances the activities of the precious metals, preventing decrease of activities at high temperature, and exhibiting a satisfactory performance during...
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7473668 |
Catalytic composition for the dehydrogenation of alkylaromatic hydrocarbons
Process for the catalytic dehydrogenation of alkylaromatic hydrocarbons optionally mixed with ethane which comprises: A) dehydrogenating the hydrocarbon stream, optionally mixed with an inert gas,...
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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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7473663 |
Process for the preparation of an additive-containing anionic clay
Process for the preparation of an additive-containing anionic clay comprising the steps of (a) preparing a physical mixture of a divalent and a trivalent metal compound, (b) calcining the physical...
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7468342 |
Catalysts and process for producing aromatic amines
As catalysts for producing aromatic amines by hydrogenating aromatic nitrites, there are disclosed (1) the catalyst comprising a metal catalyst component comprising Ni and/or Co and a specific...
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