Class 208/113 - Catalytic

Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes in which a catalytic material is employed.
No. of patents: 1052
Last issue date: 02/14/2012

«First «Previous 3 4 5 6 7 8 9 10 11 12 13 Next»Last»

Number	Title	Issue Date
6179997	Atomizer system containing a perforated pipe sparger A novel apparatus and process, including a perforated-pipe sparger, for atomizing a liquid stream is disclosed. This novel apparatus and process can be utilized in a fluidized catalytic cracking process or in a coking process for atomizing an oil stream p...	01/30/2001
6165353	Distribution apparatus and method for patterned feed injection An arrangement for the controlled production of an essentially linear array of hydrocarbon feed injection jets maintains stable and reliable jets by passing individual piping for each jet through a support shroud that is located in a contacting vessel. Co...	12/26/2000
6162350	Hydroprocessing using bulk Group VIII/Group VIB catalysts (HEN-9901) Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni--Mo--W....	12/19/2000
6156189	Operating method for fluid catalytic cracking involving alternating feed injection The present invention is directed to a Fluid Catalytic Cracking process conducted under fluid catalytic cracking conditions by injecting into at least one reaction zone of a fluid catalytic cracking unit (FCCU) having one or more risers, a plurality of fe...	12/05/2000
6146519	Gas solid contact riser with redistribution An dilute phase transport riser for the contacting of particles with a gas uses redistributors along the length of the riser to prevent the formation of localized regions of high particle concentration along the wall of the riser. A series of redistributo...	11/14/2000
6143167	NO_x reduction compositions for use in FCC processes Compositions comprising a component containing (i) an acidic oxide support, (ii) an alkali metal and/or alkaline earth metal or mixtures thereof, (iii) a transition metal oxide having oxygen storage capability, and (iv) a transition metal selected from Gr...	11/07/2000
6139720	FCC process with carbon monoxide management and hot stripping The production of carbon monoxide as a combustion off-gas is maximized by the use of a hot stripping zone arrangement that provides catalyst mixing to establish a uniform catalyst temperature and thorough contacting of the well-mixed hot catalyst in a con...	10/31/2000
6139721	Fluid bed catalytic cracking process characterized by a high selectivity to olefins The invention relates to a fluid catalytic cracking process for the preparation of good quality hydrocarbon fractions with a high octane number starting from heavy hydrocarbon fractions of a poorer quality characterized in that the heavy hydrocarbon fract...	10/31/2000
6129833	Catalytic cracking with reduced emission of sulfur oxides Sulfur oxides are removed in the regenerator zone and rapidly released as H2 S in the reactor zone of an FCC system employing a particulate SOx catalytic/absorbent comprising Cu and an alkali metal oxide. Embodiments include the use ...	10/10/2000
6129834	NO_x reduction compositions for use in FCC processes Compositions comprising a component containing (i) an acidic oxide support, (ii) an alkali metal and/or alkaline earth metal or mixtures thereof, (iii) a transition metal oxide having oxygen storage capability, and (iv) a transition metal selected from Gr...	10/10/2000
6126813	Method and apparatus for selective vaporization of hydrocarbon loads in catalytic cracking The invention relates to a hydrocarbon catalytic cracking method in the presence of a catalyst in fluidized phase, within a tubular type reactor (1) containing an injection area. According to the invention, a substantial part of the load to be cracked is ...	10/03/2000
6126905	Baffles for a fluid to fluid contactor A novel apparatus and process, including a baffle, for contacting a first fluid with a second fluid of lower density than the first fluid in counter-current flow in a manner that increases the contacting efficiency....	10/03/2000
6123832	Fluid catalytic cracking process for converting hydrocarbon mixtures The invention relates to Fluid Catalytic Cracking (FCC) for producing liquid fuels and light olefins from liquid hydrocarbon mixtures such as petroleum fractions....	09/26/2000
6118035	Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed A process for selectively producing C2 -C4 olefins from a catalytically cracked or thermally cracked naphtha stream is disclosed. A mixture of the naphtha stream and a stream of steam is feed into a reaction zone where it is contacte...	09/12/2000
6113777	Direct turn separator for particles in a gaseous mixture and its use for fluidized bed thermal or catalytic cracking A separator and process for separating particles from a gaseous mixture wherein the separator includes: at least one chamber comprising a zone (1) which forms a rectangular or square cross section for passage of the mixture circulating in a tube reactor (...	09/05/2000
6113776	FCC process with high temperature cracking zone A high efficiency FCC process obtains the necessary regenerated catalyst temperature for a principally thermal cracking stage by cracking a light feedstock such as naphtha or a middle distillate in a first riser that principally performs thermal cracking ...	09/05/2000
6114265	Combustion control in a fluid catalytic cracking regenerator Disclosed is a process for controlling combustion in a fluid catalytic cracking regenerator. More specifically, afterburning which occurs during the combustion process is controlled by adjusting oxygen concentration in at least one of two combustion strea...	09/05/2000
6110356	Slurry circulation process and system for fluidized particle contacting The invention improves a system and apparatus for the recovery of fine solid particles entering the slurry system of a fluidized catalytic contacting process by returning a portion of the recovered solids from the main separator directly back to the react...	08/29/2000
6110357	Passivated catalysts for cracking process A zeolite-containing cracking catalyst is passivated with compounds of boron and zirconium, and preferably also antimony. The thus-passivated cracking catalyst is employed in a process for catalytically cracking a hydrocarbon-containing oil feed. In anoth...	08/29/2000
6099720	Method and device for descending catalytic cracking by injecting feedstock at an adequate angle on a conditioned catalyst A process is described for catalytic cracking of a petroleum feed in which a catalyst from a regeneration zone 4 is caused to flow in a dense fluidized bed conditioning zone 2 upstream of an injection zone 10, the fluidization rate being 0.1 to 30 cm/s. T...	08/08/2000
6099721	Use of magnetic separation to remove non-magnetic, particles from FCC catalyst A process for use of magnetic separation to remove non-magnetic particles from FCC catalyst is disclosed. A stream of circulating catalyst from a fluidized catalytic cracking (FCC) unit is charged to a magnetic separator. The catalyst is magnetically frac...	08/08/2000
6093310	FCC feed injection using subcooled water sparging for enhanced feed atomization Atomization of a high boiling point, hot liquid, such as a hydrocarbon feed oil for a fluid cat cracker, is enhanced by injecting subcooled water into the hot liquid, to form a two-phase fluid of the liquid and steam, upstream of the atomization. The hot ...	07/25/2000
6090271	Enhanced olefin yields in a catalytic process with diolefins The invention provides a process for improving the conversion of a hydrocarbon feedstock to light olefins comprising mixing a hydrocarbon feedstock with a diolefin to form a mixture; and thereafter contacting the mixture with a zeolite cracking catalyst. ...	07/18/2000
6080303	Zeolite catalyst activity enhancement by aluminum phosphate and phosphorus The present invention provides a process for improving the catalytic activity of small and medium pore acidic zeolite catalyst which comprises the steps of treating a zeolite with a phosphorus compound to form a phosphorus treated zeolite and combining th...	06/27/2000
6077420	Process for cracking hydrocarbon feeds using a catalyst comprising a dealuminated NU-86 zeolite The present invention relates to the use of a catalyst comprising a Y zeolite with a faujasite structure combined with a NU-86 zeolite which is dealuminated and at least partially in its acid form and a matrix which is normally amorphous or of low crystal...	06/20/2000
6063263	Process for feed contacting with immediate catalyst separation A particular arrangement of an FCC unit creates an immediate and sustained gravity separation of catalyst and hydrocarbon vapors in short contact time cracking operation. A transverse feed contactor ejects the mixture of catalyst and hydrocarbon vapors tr...	05/16/2000
6063262	Synthetic porous crystalline MCM-67, its synthesis and use This invention relates to a new synthetic porous crystalline material, designated MCM-67, a method for its preparation and use thereof in catalytic conversion of organic compounds. MCM-67 appears to be closely related in structure to VPI-8 and SSZ-41 but ...	05/16/2000
6059957	Methods for adding value to heavy oil A process of the conversion of a heavy hydrocarbon into a lighter hydrocarbon utilizing a soluble transition metal salt and synthesis gas which includes soot particles and other impurities is disclosed. The inclusion of solid particles, such as soot, carb...	05/09/2000
6059959	Varying carbon on catalyst to magnetically separate high metals catalyst This process controls the magnetic separation of high metals catalyst by influencing the magnetic susceptibility by carbon levels on catalyst. In an FCC/RCC.RTM. operation employing magnetic separation of catalyst, particularly where the catalyst has enou...	05/09/2000
6059958	Process for the fluid catalytic cracking of heavy feedstocks A process for the fluid catalytic cracking of heavy feeds under a heat balance regime is described, where one or more catalyst coolers external to the regenerator cool a stream of regenerated catalyst. A portion of said stream returns to the regenerator a...	05/09/2000
6045688	Method based on a fluidized-bed reactor for converting hydrocarbons The invention relates ro a method of converting hydrocarbons. According to the method, a gaseous or liquid hydrocarbon feed is passed into a circulating fluidized-bed reactor, wherein the feed is converted at a high temperatue under the influence of parti...	04/04/2000
6042717	Horizontal FCC feed injection process An FCC feed injection arrangement injects feed transversely from the sides of a restricted opening into a stream of FCC catalyst to provide good feed and catalyst contacting in an arrangement that simplifies external pipe configurations and maintenance of...	03/28/2000
6039863	Fluidized particle contacting process with elongated combustor A particulate catalyst is regenerated by upward transport in a combustor having an extended length and separated from combustion gases with a single stage of cyclones. The extended length combustor ends with a termination device arranged to tangentially d...	03/21/2000
6036847	Compositions for use in catalytic cracking to make reduced sulfur content gasoline Compositions which contain a titania component have been found which provide reduction of sulfar levels in the gasoline resulting from FCC processes (and other cracking processes conducted in the absence of added hydrogen) without the need for feedstock p...	03/14/2000
6033555	Sequential catalytic and thermal cracking for enhanced ethylene yield The invention provides a process for improving the conversion of a hydrocarbon feedstock to light olefins comprising the steps of first contacting the hydrocarbon feedstock with a light olefin producing cracking catalyst and subsequently thermally crackin...	03/07/2000
6013172	Methodology for extracting local constants from petroleum cracking flows A methodology provides for the extraction of local chemical kinetic model constants for use in a reacting flow computational fluid dynamics (CFD) computer code with chemical kinetic computations to optimize the operating conditions or design of the system...	01/11/2000
6010618	FCC process with two zone short contact time reaction conduit An FCC process provides ultrashort catalyst and feed contacting in an FCC riser by recovering a short contact product stream in an intermediate section of the riser. The remainder of the catalyst and gas mixture continues through the riser along a continu...	01/04/2000
6010620	Distribution apparatus and method for short time contact of hydrocarbon compounds with particles An arrangement for the controlled production of an essentially linear array of hydrocarbon feed injection jets maintains stable and reliable jets by passing individual piping for each jet through a support shroud that is located in a contacting vessel. Co...	01/04/2000
6007698	Process for cracking hydrocarbon feeds using a catalyst comprising an IM-5 zeolite which is optionally dealuminated The present invention relates to the use of a catalyst comprising an IM-5 zeolite which has optionally been dealuminated and is at least partially in its acid form and a matrix which is normally amorphous or of low crystallinity, and optionally a Y zeolit...	12/28/1999
5997726	Method for fluid catalytic cracking of hydrocarbon feedstock A hydrocarbon catalytic cracking process in which, a substantial portion of the hydrocarbons is pulverized and placed in contact with a specific contact zone, which is composed of: a mixing chamber having a maximum section S2, the upper part of...	12/07/1999

«First «Previous 3 4 5 6 7 8 9 10 11 12 13 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 208/113 - Catalytic