Class / Patent application number | Description | Number of patent applications / Date published |
585650000 | Ethylene product per se | 37 |
20090131731 | Process for the Production of Linear Alpha-Olefins - The present invention relates to a process for the production of linear alpha-olefins. In particular, the present invention relates to a process for the production of linear alpha-olefins (LAO's) in which Fischer Tropsch (FT)-derived liquids are autothermally cracked to produce linear alpha-olefins or an LAO-containing feed is autothermally cracked to produce a product LAO with a lower number of carbon atoms than the LAO's fed to the process. | 05-21-2009 |
20090264693 | PROCESS FOR THE CATALYTIC CONVERSION OF HYDROCARBONS - A process for the catalytic conversion of hydrocarbons, said process comprising the following steps:
| 10-22-2009 |
20100069695 | ADDITIVE FOR REDUCING COKING AND/OR CARBON MONOXIDE IN CRACKING REACTORS AND HEAT EXCHANGERS AND USE OF SAME - The present invention concerns an additive for reducing the formation of coke and/or carbon monoxide in thermal hydrocarbon cracking units and/or of other organic compounds in heat exchangers. The additive according to the invention is essentially composed of diethyl disulphide (DEDS) or dipropyl disulphide(s) (DPDS) or dibutyl disulphide(s) (DBDS) and can be used on the metal walls of a cracking reactor and on the metal walls of a heat exchanger placed downstream from the cracking reactor, and during the process of cracking hydrocarbons and/or other organic compounds. | 03-18-2010 |
20110144406 | CATALYST AND METHOD FOR THERMAL DECOMPOSITION OF ORGANIC SUBSTANCE AND METHOD FOR PRODUCING SUCH CATALYST - The invention provides a catalyst for thermal decomposition of an organic substance having the form of spherical granule having a particle diameter of 0.1 to 1.2 mm, a pore volume of 0.1 to 0.3 mL/g, a tap density of 1.05 to 1.4 g/mL, and a wear rate of 2% by weight or less, the catalyst being obtained by mixing and granulating a pulverized product of an inorganic oxide exemplified by titanium oxide with at least one sol selected from a titania sol, a silica sol, an alumina sol, and a zirconia sol to make spherical granules, calcining the spherical granules at a temperature from 400 to 850° C., and sieving the calcined granules. | 06-16-2011 |
20130150644 | Reactor Components - The present disclosure relates to reactor components and their use, e.g., in regenerative reactors. A process and apparatus for utilizing different wetted areas along the flow path of a fluid in a pyrolysis reactor, e.g., a thermally regenerating reactor, such as a regenerative, reverse-flow reactor, is described. | 06-13-2013 |
20150133709 | LOW NOx BURNER FOR ETHYLENE CRACKING FURNACES AND OTHER HEATING APPLICATIONS - A burner assembly for and method of producing ethylene having a mechanism to inject either primary fuel, staged fuel, or both by premix methods before combustion in a furnace. The burner assembly has at least one premix injection assembly for either exclusively primary fuel or exclusively staged fuel injection paired with a nozzle mix injection or injection means for primary and staged fuel both by premix methods. The primary fuel premix assembly associates with a burner tile that consists of multiple inlets and outlets connected by venturi channels to direct and combine combustion air and staged fuel coming from staged fuel orifice spuds. Primary fuel and combustion air are mixed in a premix assembly and directed inside the furnace, and above the burner tile to complete the reaction with the staged fuel and combustion air mixture in a combustion zone inside of the furnace. | 05-14-2015 |
20150376525 | SELECTIVE RECOVERY OF C2+ HYDROCARBONS FROM NATURAL GAS FOR STEAM CRACKER FEED IN AN INTEGRATED REFINERY AND STEAM CRACKER COMPLEX USING PRESSURE SWING ADSORPTION - The invention provides for sending a natural gas stream through a pressure swing adsorption unit to send a gas stream comprising mainly nitrogen, methane and hydrogen to a fuel gas stream and a gas stream comprising a significant majority of C | 12-31-2015 |
20160145499 | PROCESS FOR HEAVY OIL UPGRADING IN A DOUBLE-WALL REACTOR - A process for reducing coke formation during hydrocarbon upgrading reactions using a double-wall reactor comprising the steps of feeding a heated feed water to a shell-side volume of the double-wall reactor to produce a heat transfer stream, the double-wall reactor comprising an exterior wall and an interior wall, a reaction section volume, a heating element configured to heat the heat transfer stream, wherein heat is transferred from the heat transfer stream to the reaction section volume, feeding the hot water return exiting the shell-side volume through a filter; mixing the filtered water stream with a heated hydrocarbon feedstock; feeding the mixed stream to the reaction section volume in a configuration counter-current to the heat transfer stream; reacting the reaction flow stream at a reaction temperature, wherein the heat transferred to the reaction section volume is operable to maintain the reaction temperature above the critical temperature of water. | 05-26-2016 |
585651000 | Using catalyst | 23 |
20090012339 | Catalytic Cracking Process Using Fast Fluidization for the Production of Light Olefins from Hydrocarbon Feedstock - Disclosed is a catalytic cracking process for the production of light olefins from a hydrocarbon feedstock using fast fluidization, which is a preferred process for more efficiently increasing the production of light olefin hydrocarbons. According to this invention, a fast fluidization regime is applied to a fluidized bed catalytic cracking process of producing light olefins using zeolite, such that a volume fraction and distribution of the catalyst sufficient to induce the catalytic cracking reaction can be provided, thus effectively enhancing the production of light olefin hydrocarbons, in particular, ethylene and propylene, at high selectivity. | 01-08-2009 |
20090023971 | ZSM-5 Additive - A catalyst composition suitable for reacting hydrocarbons such as in fluidized catalytic cracking (FCC) comprises an attrition-resistant particulate having at least 30% of an intermediate pore zeolite, kaolin, a phosphorous compound, and a high density unreactive component. An example of an unreactive component is alpha-alumina. The catalyst can also contain a reactive alumina of high surface area. | 01-22-2009 |
20090112038 | METHOD FOR OLEFIN PRODUCTION FROM BUTANES USING ONE OR MORE RISERS - Systems and processes for producing one or more olefins are provided. A feed containing butane can be dehydrogenated to provide a first product containing butene. A refinery hydrocarbon can be cracked in a first riser of a fluidized catalytic cracker to provide a first effluent comprising ethylene, propylene, or a combination thereof. The first product can bypass an etherification reactor for converting isobutylene to methyl tert-butyl ether, and can be cracked in a second riser of the fluidized catalytic cracker to provide a second effluent comprising propylene, ethylene, and butane. The first and second effluents can be combined to provide a second product comprising ethylene, propylene, or a combination thereof, wherein the conditions in the first and second riser are independently selected to favor production of ethylene, propylene, or any combination thereof. | 04-30-2009 |
20090112039 | METHOD FOR OLEFIN PRODUCTION FROM BUTANES AND CRACKING REFINERY HYDROCARBONS AND ALKANES - Systems and processes for producing one or more olefins are provided. A feed containing C | 04-30-2009 |
20090137857 | METHOD FOR PREPARATION OF ETHYLENE AND PROPYLENE BY CATALYTIC CRACKING USING A FLUID-BED CATALYST - A method for preparation of ethylene and propylene by catalytic cracking using a fluid-bed catalyst. The main technical problems to be solved are a relatively high reaction temperature, and low activities and poor selectivities of the catalyst at a low temperature, during the reaction for preparing ethylene and propylene by catalytically cracking naphtha. The fluid-bed catalyst is a composition of the chemical formula Mo | 05-28-2009 |
20090182184 | METHOD FOR PRODUCING ETHYLENE AND PROPYLENE - The invention is to provide a catalyst for long-term, high-yield and stable production of ethylene and propylene in an efficient and simple method of catalytic conversion from a hydrocarbon material. The invention relates to a method for producing ethylene and propylene by contacting a hydrocarbon material that contains an olefin having from 4 to 12 carbon atoms in an amount of at least 20% by weight, with a zeolite-containing shaped catalyst satisfying the following requirements (1) to (4), in a reactor for catalytic conversion of that olefin:
| 07-16-2009 |
20090182185 | ACETYLENE REMOVAL METHODS AND APPARATUS - The present invention provides a method and apparatus for removing acetylene from a gasoeus mixture comprising hydrogen, methane, ethane, ethylene, acetylene, propane, propylene, butane, butenes, butadiene, and other C4 or higher hydrocarbons. The method of the invention utilizes a front-end acetylene removal unit (“ARU”) located after a charge gas compressor in which acetylene is selectively reduced. The method of the invention achieves selective reduction of acetylene by using a proprietary Chevron Phillips E series palladium based catalyst. The method of the invention also utilizes a novel startup procedure, a novel emergency shutdown procedure, a novel maximum cool down procedure, and a novel carbon monoxide monitoring procedure. | 07-16-2009 |
20090192343 | METHOD FOR PRODUCING OLEFINS USING A DOPED CATALYST - Processes for producing one or more olefins are provided. In one or more embodiments, a doped catalyst can be prepared by fluidizing one or more coked-catalyst particles in the presence of one or more oxidants to provide a fluidized mixture. At least a portion of the coke can be removed from the coked-catalyst particles to provide regenerated catalyst particles. One or more doping agents can be distributed throughout the fluidized mixture, depositing on the surface of the regenerated catalyst particles to provide doped catalyst particles. One or more hydrocarbon feeds can be fluidized with the doped catalyst particles to provide a reaction mixture which can be cracked to provide a first product containing propylene, ethylene, and butane. | 07-30-2009 |
20100063340 | METHOD FOR PRODUCING ETHYLENE AND PROPYLENE - The invention is to provide a catalyst excellent in product producibility and selectivity, and in coking degradation resistance and regeneration degradation resistance, which is for production of ethylene and propylene through catalytic conversion from a hydrocarbon material. The invention relates to a method for producing ethylene and propylene through catalytic conversion from an olefin, by contacting a hydrocarbon material with a zeolite-containing shaped catalyst satisfying the following requirements (1) to (6), in a reactor:
| 03-11-2010 |
20100063341 | METHOD FOR CONVERTING HYDROCARBONS WITH ZEOLITE SHAPED CATALYST - The invention provides methods for converting hydrocarbons as starting material by industrial fixed-bed reaction processes with a zeolite shaped catalyst which has a low content of inorganic binder and a high pore volume and which shows high catalytic activity, long catalyst life and high crushing strength. A zeolite shaped catalyst used in the methods of the invention includes zeolite and an inorganic binder and is obtained by kneading zeolite, a starting material of an inorganic binder, shaping auxiliary(ies), organic polymer particles having an average diameter of 0.1 to 6 μm and water into a kneaded product, and extruding, drying and calcining the kneaded product; and the zeolite shaped catalyst has a zeolite component content of not less than 60 wt % relative to the total weight, a pore volume of 0.4 to 1.0 ml/g, a half-volume pore diameter of 80 to 500 nm and a crushing strength of not less than 0.9 kg. | 03-11-2010 |
20100105974 | Mixture of Catalysts for Cracking Naphtha to Olefins - A process is presented for the selective catalytic cracking of naphtha to light olefins. The process includes contacting a naphtha feedstream with a mixture of catalysts to reduce the amount of recycle, and especially the recycle of light paraffins. The mixture of catalysts includes a first molecular sieve made up from a small pore zeolite having a pore index between 13 and 26, and a second molecular sieve made up from an intermediate pore zeolite having a pore index between 26 and 30. | 04-29-2010 |
20100145127 | CATALYTIC COMPOSITION FOR PRODUCING OLEFINS BY CATALYTIC CRACKING - A catalyst composition comprising on weight basis the following components: a) 30 to 99.5% of at least one intergrowth molecular sieve; b) 0 to 20% of a rare earth element or oxides thereof; c) 0 to 10% of at least one element from Group VA of the Periodic Table or oxides thereof; d) 0 to 10% of at least one element from Group IIIA of the Periodic Table or oxides thereof; e) 0 to 20% of at least one element from Group IB or IIB of the Periodic Table or oxides thereof; f) 0 to 20% of at least one element from Group IA or IIA of the Periodic Table or oxides thereof; and g) 0 to 65% of a binder, wherein the components b), c), d), e) and f) are supported on the component a), and contents of at least two of the components b), c), d), e) and f) are larger than zero, is described. A process for preparing said catalyst composition and a process for the production of olefins via catalytic cracking by using said catalyst composition are also described. | 06-10-2010 |
20100217059 | Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent - The process of this invention represents an improved, low-energy method for recovering a purified ethylene product from the effluent of an autothermal cracking reactor. The process consists of a cracked gas chilling train, a front-end ethylene distributor, a demethanizer, and a C2 splitter. Hydrocarbons heavier than ethylene, including ethane, propylene, and propane are recycled in a single stream to the ATC reactor. Acetylene removal from the ethylene product can be accomplished either through a front-end hydrogenation unit or an acetylene extraction unit. This invention is particularly useful when the fresh hydrocarbon feed to the autothermal cracking reactor is ethane or a mixture of ethane and propane. | 08-26-2010 |
20100317909 | CARBON NANOTUBE CATALYST FOR OLEFIN PRODUCTION - A method for producing olefins using a carbon nanotube catalyst is disclosed. Initially, a hydrocarbon feedstock is received. The hydrocarbon feedstock, the carbon nanotube catalyst, and steam are mixed in a thermal cracking reactor. The mixture is heated in the thermal cracking reactor to a particular temperature. The olefins are then separated from the mixture. The carbon nanotube catalyst can include carbon nanotubes coated with M1 | 12-16-2010 |
20100324348 | Process for Catalytic Cracking of Hydrocarbons Using UZM-35 - Catalytic cracking processes such as fluidized catalytic cracking, naphtha cracking, and olefin cracking are catalyzed by the UZM-35 family of crystalline aluminosilicate zeolites represented by the empirical formula: | 12-23-2010 |
20110230697 | PROCESS FOR CATALYTIC CRACKING OF HYDROCARBONS USING UZM-35HS - Catalytic cracking processes such as fluidized catalytic cracking, naphtha cracking, and olefin cracking are catalyzed by the UZM-35 family of crystalline aluminosilicate zeolites represented by the empirical formula: | 09-22-2011 |
20130085311 | ZSM-5 CATALYST WITH MICROPORES AND MESOPORES, PREPARATION METHOD THEREOF AND PRODUCTION METHOD OF LIGHT OLEFINS THROUGH CATALYTIC CRACKING OF HYDROCARBONS USING THE CATALYST - Provided is a method of preparing a ZSM-5 catalyst for preparing light olefins including ethylene and propylene through a catalytic cracking of a hydrocarbon mixture of C4 to C7 produced after a naphtha cracking. The method includes (a) forming a gel by aging a mixture solution including a silica precursor and an aluminum precursor; (b) adding a template possibly forming mesopores through a heat treatment, into the gel, stirring and then aging; (c) forming a solid product by crystallizing the aged mixture in step (b); and (d) heat treating the solid product to remove the template. The ZSM-5 catalyst may include micropores and mesopores and may have good physical and chemical properties along with a good pore property. The production yield of the light olefins may be increased. | 04-04-2013 |
20130237738 | PROCESS FOR PRODUCING AT LEAST ONE OF ETHENE, PROPENE, AND GASOLINE - One exemplary embodiment can be a process for producing at least one of ethene, propene, and gasoline. The process may include reacting a feed boiling above about 340° C. in the presence of a composition including at least about 55%, by weight, alumina. Often, the composition is the sole catalyst utilized in the reaction. | 09-12-2013 |
20150057482 | FCC PROCESS USING A MODIFIED CATALYST - Methods and systems for producing a hydrocarbon are provided. The method can include cracking one or more C | 02-26-2015 |
20150094511 | ADDITIVES FOR MAXIMIZING LIGHT OLEFINS IN FLUID CATALYTIC CRACKING AND PROCESS UNITS - Additives for mixing into the base catalyst inventory of the fluid catalytic cracking (FCC) process units, so as to achieve a high selectivity of light olefins (ethylene and propylene), are described. Such additives comprise an FER zeolite and an MFI zeolite, the MFI zeolite preferably being zeolite ZSM-5. The mixture of the additive in a concentration greater than 2% w/w relative to the base catalyst of an FCC unit allows greater selectivity for light olefins, propylene and ethylene, while maintaining catalytic activity. | 04-02-2015 |
20160074847 | CATALYTIC METHODS FOR CONVERTING NAPHTHA INTO OLEFINS - The inventions described herein relate to catalysts comprising a zeolite comprising at least one metal or ion thereof, wherein the at least one metal or ion thereof comprises barium, strontium, titanium, tungsten, or a mixture thereof, and wherein the zeolite does not comprise molybdenum, or phosphorus, and methods related thereto. | 03-17-2016 |
20160130197 | PROCESSES AND CATALYSTS FOR PRODUCTION OF LIGHT OLEFINS - A novel process and a novel catalyst for the production of light olefins. 1-butene is cracked in the presence of an acid- or base-modified silicalite-1 catalyst bed, wherein the modified silicalite-1 has a Si/Al ratio of greater than 1000. The modification procedures described herein increase the selectivity of the silicalite-1 catalyst toward light olefins such as ethylene and propylene. The catalytic cracking of 1-butene may be carried out in a fixed bed reactor or a fluidized bed reactor. | 05-12-2016 |
20160176782 | PROCESS AND APPARATUS FOR IMPROVING LIGHT OLEFIN YIELD FROM A FLUID CATALYTIC CRACKING PROCESS | 06-23-2016 |
585652000 | Using O (partial combustion) or steam | 6 |
20080207974 | Process for Decoking a Furnace for Cracking a Hydrocarbon Feed - A process for decoking a convection section of a furnace for cracking a hydrocarbon feed, the furnace comprising a radiant section having burners that generate radiant heat and hot flue gas, and the convection section having at least one heat exchange tube for conveying the hydrocarbon feed. The process includes the step of establishing a flue gas temperature within the convection section of the furnace immediately adjacent the at least one convection section heat exchange tube so as to effect a film surface temperature of less than about 540° C. (about 1000° F.) within at least one convection section heat exchange tube, wherein said flue gas temperature establishing step is effective to decoke the at least one convection section heat exchange tube. A process for cracking hydrocarbon feed in a furnace is also provided. | 08-28-2008 |
20090177022 | Cracking tube having helical fins - A cracking tube ( | 07-09-2009 |
20100063342 | Furnace and Process for Incinerating a Decoke Effluent in a Twin-Tube-Plane Furnace - A furnace and method for the cracking of hydrocarbons. The furnace includes a radiant firebox, the radiant firebox comprising a furnace floor having a centerline, a plurality of decoke effluent injection nozzles mounted along or adjacent to the centerline for injecting decoke effluent upward into the radiant firebox, a plurality of burners arranged to form a first line of burners and a second line of burners, each line of burners positioned on opposing sides of the plurality of decoke effluent injection nozzles, a first plane of radiant coils spaced at a distance greater than the distance that the first line of burners is spaced from the centerline of the furnace floor and on the same side of the centerline as the first row of burners, and a second plane of radiant coils spaced at a distance greater than the distance that the second line of burners is spaced from the centerline of the furnace floor and on the same side of the centerline as the second row of burners. | 03-11-2010 |
20140194663 | Oxidative Coupling of Hydrocarbons as Heat Source - A process for the coupling of hydrocarbons and utilizing the heat energy produced by the reaction is disclosed. In one embodiment the process can include reacting methane with oxygen to form a product stream containing ethane and further processing the ethane to ethylene in an existing ethylene production facility while using the heat energy produced by the reaction within the facility. | 07-10-2014 |
20150307417 | Method For Converting Hydrocarbon Feedstocks By Means Of Thermal Steam Cracking - The invention relates to a process for converting hydrocarbon feeds by thermal steamcracking to at least one olefin-containing product stream comprising at least ethylene and propylene, with at least partial conversion of a first hydrocarbon feed in at least one first cracking furnace ( | 10-29-2015 |
20150315484 | Process For Preparing Olefins By Thermal Steamcracking - The invention relates to a process for converting hydrocarbon inputs by thermal steamcracking to give at least one olefin-containing product stream comprising at least ethylene and propylene, by at least partly converting a hydrocarbon input in at least one cracking furnace ( | 11-05-2015 |