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

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Number	Title	Issue Date
5788834	Catalytic cracking process with Y zeolite catalyst comprising silica binder containing silica gel A catalytic cracking catalyst and catalytic cracking process for cracking the 650° F.+ portion in a heavy feed to lighter products. The catalytic cracking catalyst contains a Y zeolite in a silica binder that is substantially free of catalytically active...	08/04/1998
5773379	Thermal regulation process for a solid in a heat exchanger using cylindrical tube surfaces The invention concerns a process for thermal regulation in a continuous fluidized bed treatment process for a powdered solid, wherein the solid is treated in a fluidized bed treatment zone, at least a portion of the solid is extracted from said zone and t...	06/30/1998
5750020	Process for removing sulfur oxides or nitrogen oxides from a gaseous mixture in an FCC process A collapsed composition is described which is substantially composed of microcrystallites collectively of the formula: M2m2+ Al2-p Mp3+ Tr O7+r.multidot.s where M2+ is a divale...	05/12/1998
5746321	Combination magnetic separation, classification and attrition process for renewing and recovering particulates Optimized utilization of combinations of fluid catalyst magnetic separator, classifier, and/or attriter can be used to achieve lower catalyst cost, and better catalyst activity and selectivity through control of metal-on-catalyst, particle size and partic...	05/05/1998
5730859	Process for catalytically cracking paraffin rich feedstocks comprising high and low concarbon components A process for contemporaneously catalytically cracking a paraffin rich feedstock and a heavy feedstock wherein the feedstocks are segregated prior to catalytic cracking in separate reactors with regenerated particulate catalyst solids. The process provide...	03/24/1998
5723040	Fluid catalytic cracking process and apparatus The present invention provides a method for improving the contacting of feedstock and regenerated catalytic particulates in certain fluid catalytic cracking processes and apparatus....	03/03/1998
5716514	FCC NO_x reduction by turbulent/laminar thermal conversion Oxides of nitrogen (NOx) emissions from an FCC regenerator are reduced by operating the regenerator in partial CO burn mode and controlled turbulent/laminar flow processing of the flue gas. Partial CO burn FCC catalyst regeneration produces flu...	02/10/1998
5714056	Process for deasphalting residua (HEN9511) A process for deasphalting a residua feedstock by use of a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles. It is preferred that a mechanical means be used to fluidize a bed of hot particles....	02/03/1998
5705053	FCC regenerator NO_x reduction by homogeneous and catalytic conversion Oxides of nitrogen (NOx) emissions from an FCC regenerator are reduced by operating the regenerator in partial CO burn mode and controlled thermal and catalytic processing of the flue gas. Partial CO burn FCC catalyst regeneration produces flue...	01/06/1998
5689024	Use of crystalline SUZ-9 This invention relates to use of a new and improved form of crystalline material identified as having the structure of SUZ-9 as a sorbent or a catalyst for organic compound, e.g., hydrocarbon compound, conversion....	11/18/1997
5688975	Rare earth stabilized Cr/Ti substituted molecular sieves Molecular sieve compositions have been synthesized which are resistant to the loss of framework atoms. Specifically, the molecular sieves of the invention have the empirical formula mA: (Mw Alx Siy)O2 where A is at l...	11/18/1997
5681450	Reduced chaos cyclone separation A cyclone and process for fluidized catalytic cracking of heavy oils is disclosed. Gas and entrained solids are added around a clean gas outlet tube in a cyclone body. Solids and some gas are withdrawn via a solids outlet and discharged into a catch chamb...	10/28/1997
5670037	Process for producing light olefins by catalytic conversion of hydrocarbons A process for producing light olefins, especially ethylene, propylene, isobutylene and isoamylene, together with high octane gasoline as by-product, comprises that petroleum hydrocarbons are contacted with phosphorus and rare earth containing high silica ...	09/23/1997
5665949	Catalytic cracking process for hydrocarbons A process for separating catalyst particles in the catalytic cracking of reacted hydrocarbons includes feeding the reacted hydrobarbons to an unconfined cyclone device made up of a diplegless cyclone opening directly into a large volume separator vessel d...	09/09/1997
5662868	Short residence time cracking apparatus and process A novel apparatus and process for the cracking of hydrocarbons is disclosed which is particularly useful in revamping an existing FCC unit to a short residence time FCC unit....	09/02/1997
5660716	Fluidized-bed catalytic cracking process for a hydrocarbon feedstock, particularly a feedstock with a high content of basic nitrogen compounds A fluidized-bed process for catalytic cracking of a hydrocarbon feedstock where the hydrocarbon feedstock, particularly a feedstock with a high content of basic nitrogen compounds, and a catalyst circulate in the tubular zone co-currently from the top to ...	08/26/1997
5656149	Hydrocarbon conversion processes using zeolite SSZ-41 The present invention relates to new crystalline zeolite SSZ-41 which comprises oxides of (1) silicon or a mixture of silicon and germanium, and (2) zinc, said zinc being present in an amount from about 2 wt % to about 5 wt % of zinc metal based on the to...	08/12/1997
5654252	Process for starting a hydrocarbon conversion by the prior treatment of the catalyst with a sulphur agent and then diluted hydrogen A process is provided for starting a catalytic hydrocarbon conversion reaction or using a hydrocarbon conversion catalyst into which a sulfur agent has been incorporated. In an inert atmosphere, the sulfur-impregnated catalyst is treated with dilute hydro...	08/05/1997
5641395	Process and compositions for Mn containing catalyst for carbo-metallic hydrocarbons An improved "magnetic hook"-promoted catalytic process, catalyst and method of manufacture for heavy hydrocarbon conversion, optionally in the presence of nickel and vanadium on the catalyst and in the feed stock to produce lighter molecular weight fracti...	06/24/1997
5637207	Fluid catalytic cracking process An intermediate distillate fraction is subjected to fluid catalytic cracking (FCC) to yield liquid fuel and lighter. The C7 -C10 paraffin lift fluid is converted to C2 -C5 olefins and naphtha of enhanced octane....	06/10/1997
5626741	Catalytic cracking with quenching A catalytic cracking process is disclosed in which cracking is performed in a riser reactor, catalytically cracked product is substantially separated from the catalyst in a gross-cut separator downstream of the riser reactor, and the cracked product is qu...	05/06/1997
5618407	Catalytic cracking process utilizing a catalyst comprising aluminum borate and zirconium borate A process for catalytically cracking a hydrocarbon-containing oil employs a cracking catalyst comprising aluminum borate and zirconium borate....	04/08/1997
5618406	Processes for reacting bastnaesite with alkaline-earth metals Bastnaesite and magnesium-containing materials can be chemically reacted by use of reactions wherein alumina is made into a sol by use of a mono-protonic acid and then reacted with a magnesium-containing ingredient (e.g., magnesium acetate) and a bastnaes...	04/08/1997
5616237	Split feed injection fluid catalytic cracking process A fluid catalytic cracking unit equipped with multiple feed injection points along the length of the riser is operated such that portions of the same fresh feed are charged to different feed injection points. Preferably, the hydrocarbon fresh feed can be ...	04/01/1997
5614083	Riser disengager with suspended catalyst separation zone This FCC process suspends a layer of catalyst in a riser proximate or above the riser outlets. The density at the riser outlets is higher than the flowing density in the riser. The suspended catalyst provides a disengagement zone that enhances the separat...	03/25/1997
5603823	LA/ND-spinel compositions for metals passivation in FCC processes Catalytic cracking catalysts and additives which comprise a metals passivation component containing: 15-60 parts by weight MgO, 30-60 parts by weight Al2 O3, and 10-30 parts by weight rare earth compound selected from the group consisting...	02/18/1997
5603821	Low-aluminum boron beta zeolite A crystalline low-aluminum boron beta zeolite is prepared using a diquaternary ion as a template....	02/18/1997
5601699	Method for cracking hydrocarbons Methods for preparing phosphorus containing catalysts comprising a large-pore zeolite, e.g., zeolite Beta, zeolite ZSM-12, or zeolite ZSM-20, and a matrix which have improved attrition resistance. The present invention includes the catalyst compositions p...	02/11/1997
5599440	Catalyst method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed This invention makes possible substantially continuous flow of uniformly distributed hydrogen and hydrocarbon liquid across a densely packed catalyst bed to fill substantially the entire volume of a reactor vessel by introducing the fluids as alternate an...	02/04/1997
5589139	Downflow FCC reaction arrangement with upflow regeneration An FCC arrangement uses two stages upflow conduit combustion and a regenerator cyclone separator to supply catalyst particles from a dip leg directly into a downflow reaction conduit. The downflow reaction conduit provides an immediate stage of initial ca...	12/31/1996
5584986	Fluidized process for improved stripping and/or cooling of particulate spent solids, and reduction of sulfur oxide emissions A fluidized process which comprises contacting a hydrocarbon feedstock with a fluidized particulate solid in a contacting zone wherein carbonaceous deposits accumulate on the solid and the solid becomes spent and wherein the carbonaceous deposits are burn...	12/17/1996
5584985	FCC separation method and apparatus with improved stripping In this invention a cyclonic separation method and apparatus discharges particulate solids and gaseous fluids into a separation vessel from a discharge opening of a central conduit and withdraws separated gaseous fluids from the separation vessel that con...	12/17/1996
5582713	Catalytic cracking utilizing a catalyst comprising zeolite GZS-11 A synthetic zeolite, designated zeolite GZS-11, is made having a molar composition expressed by the formula: [x M2/n O+(1.0&#b1;0.2-x)R2/n O]:Y2 O3 :y XO2 :wH2 O where M is an inorganic cation o...	12/10/1996
5582712	Downflow FCC reaction arrangement with upflow regeneration An FCC arrangement uses two stages upflow conduit combustion and a regenerator cyclone separator to supply catalyst particles from a dip leg directly into a downflow reaction conduit. The downflow reaction conduit provides an immediate stage of initial ca...	12/10/1996
5565181	FCC NO_x reduction using a perovskit-type additive The NOx content of FCC regenerator flue gas is reduced using a spinel/perovskite additive which maintains activity during FCC operation in the presence of high levels of sulfur oxides and oxygen. Additionally, a stabilization component may be added to enh...	10/15/1996
5565089	Process for decoking catalysts Coke deposits are removed from particulates by combustion in a regenerator by a process in which air is initially used as the oxidant. The combustion gas is subjected to a separation process to remove nitrogen therefrom, and the remaining carbon dioxide-e...	10/15/1996
5562818	FCC feed injection with non-quiescent mixing An FCC feed distributor mixes fresh catalyst entering the riser with steam to cream a dense bubbling bed of catalyst. Fluidized catalyst rises from the dense bed around a conical section supported from the bottom of the riser. The conical section accelera...	10/08/1996
5560817	Hydrocarbon catalytic cracking process Hydrocarbon fluid catalytic cracking (FCC) plants are debottlenecked by replacing air feed to the cracking catalyst regenerator with oxygen and carbon dioxide exhaust from the catalyst regenerator and removing methane and hydrogen from the wet gas stream ...	10/01/1996
5554341	Feed zone performance for a cat cracker This invention concerns an apparatus and process for effectively contacting oil, catalyst, and a gas. This invention has specific applications in the design and operation of catalytic cracking units and specifically, the processing and upgrading of heavy ...	09/10/1996
5552034	Fluid catalytic cracking process Disclosed is a fluid catalytic cracking process in which the catalytic cracking reaction takes place in a dilute phase, and the reaction product contains a reduced volume of off gas having a low concentration of SOx and NOx. The use ...	09/03/1996

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Class 208/113 - Catalytic