This page is updated frequently with new Hydrocarbon-related patent applications.
| Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus|
Where x is a divalent group in which m-number of >c═cr1-r2 and n-number of >cr3r4 are bonded in any order; each of r1 to r4 is one of a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, and a monovalent halogenated oxygen-containing hydrocarbon group; any two or more of the r1 to the r4 are allowed to be bonded to one another; and m and n satisfy m≧1 and n≧0.. .
| Color identification safety system|
A high pressure coupling safety system where the nipple in the coupling are color-coded with bands within grooves. The color-coded bands promotes the proper coupling of a nipple to the correct coupling thereby preventing overpressure in the lines or improper fluids flowing through the system.
Direct Purchase Quick Couplings, Incorporated
| Determination of fluid saturation in shale reservoirs using nmr|
A method of estimating fluid saturations includes obtaining amplitude values of nuclear magnetic resonance (nmr) data for a material, with each amplitude value being associated with a longitudinal magnetization recovery (t1 relaxation) time and a transverse magnetization decay (t2 relaxation) time. A mean is calculated as a function of the amplitude values and the t1 and t2 relaxation times for the amplitude values.
Schlumberger Technology Corporation
| Site analysis system for the calculation of the isotope ratio of the carbon in several gas species by means of a single analyser|
The present invention relates to a system of analysis, which can be used in a mobile laboratory in a drilling site situation or in a similar situation, suitable for measuring (preferably in relation to at least two partially gaseous species, which derive preferably from a mixture extracted from a drilling mud, for example, methane, ethane, propane and/or any other heavier hydrocarbons) the quantities of the different isotopes of at least a same chemical element (preferably the quantities of 13c, carbon isotope with 6 protons and 7 neutrons, and of 12c, carbon isotope with 6 protons and 6 neutrons, respectively) by means of a laser isotopes analyser regulated for a single, at least partially gaseous species which contains said chemical element.. .
| Automatic dosing of surfactant for recovered hydrocarbon enhancement|
Systems comprising a main tubular coupled to a pump and extending from a surface into a subterranean formation, wherein produced bulk fluid is pumped to the surface, and wherein the bulk fluid comprises at least water and a hydrocarbon, and has certain constituent parameters; a storage container for retaining the bulk fluid; a sampling tubular in fluid communication with the main tubular for sampling the bulk fluid, thereby forming at least one sampled fluid; and a dosing system coupled to the sampling tubular and configured to receive the sampled fluid, the dosing system configured to determine a constituent parameter of the sampled fluid, identify a type and concentration of separating surfactant to include in the bulk fluid to obtain a hydrophilic-lipophilic deviation (hld) substantially equal to 0, and introduce the identified type and concentration of the separating surfactant into the storage container retaining the bulk fluid.. .
Halliburton Energy Services, Inc.
| Hydrocarbon resource recovery apparatus including rf transmission line and associated methods|
An apparatus for hydrocarbon resource recovery from a subterranean formation includes a radio frequency (rf) source, an rf antenna to be positioned within the subterranean formation to deliver rf power to the hydrocarbon resource within the subterranean formation, and an rf transmission line extending between the rf source and the rf antenna. The rf transmission line may include rf transmission line sections coupled together in end-to-end relation.
| Injection fluid tuning|
Injection fluid tuning is provided. In one possible implementation, injection fluid can be tuned by accessing both surface properties of rock found in a hydrocarbon reservoir of interest and a chemical composition of oil found in the reservoir of interest.
| Method for manufacturing silicon carbide epitaxial substrate, and silicon carbide epitaxial substrate|
A method for manufacturing a silicon carbide epitaxial substrate includes: a step of placing a silicon carbide single crystal substrate within a chamber and reducing a pressure within the chamber; a step of increasing a temperature within the chamber to a first temperature; a step of introducing hydrogen gas into the chamber and adjusting the pressure within the chamber; a step of introducing hydrocarbon gas into the chamber; a substrate reforming step of increasing the temperature within the chamber to a second temperature and holding the temperature at the second temperature for a predetermined time, with the adjusted pressure within the chamber and a flow rate of the hydrogen gas being maintained and the hydrocarbon gas being introduced; and a step of growing an epitaxial layer on the silicon carbide single crystal substrate by introducing silane gas into the chamber with the second temperature being maintained.. .
Sumitomo Electric Industries, Ltd.
| Method and system for producing carbon dioxide and electricity from a gaseous hydrocarbon feed|
A method and system for producing carbon dioxide and electricity from a gaseous hydrocarbon feed using a solid oxide fuel cell, a water-gas shift reactor and a reformer.. .
| Method for regenerating adsorbent media used for extracting natural gas liquids from natural gas|
A method is disclosed for the separation of ethane and heavier hydrocarbons or propane and heavier hydrocarbons from natural gas to provide a methane-rich natural gas stream and less volatile natural gas liquids (ngls). This method provides for the use of a regenerable adsorbent media comprising a porous cross-linked polymeric adsorbent, a pyrolized macroporous polymer, or mixtures thereof, which is regenerated by a pressure swing adsorption (psa) process, temperature swing adsorption (tsa) process, or combination of the two.
Dow Global Technologies Llc
Process for managing hydrate and wax deposition in hydrocarbon pipelines
A process for managing hydrates and hydrocarbon-based solids in a hydrocarbon stream. The process includes: introducing the hydrocarbon stream into an inlet of a system comprising at least a first cold flow reactor and a second cold flow reactor, each cold flow reactor comprising a heat exchanger and at least one static mixer; directing at least a portion of the hydrocarbon stream to the first cold flow reactor; cooling the portion of the hydrocarbon stream directed to the first cold flow reactor to a temperature less than the hydrate formation temperature, the temperature effective to substantially complete hydrate formation upon exiting the system to form a hydrate and hydrocarbon-based solids managed hydrocarbon stream; directing a lesser portion of the hydrocarbon stream to the second cold flow reactor; and remediating the second cold flow reactor by removing hydrate or hydrocarbon-based solids formed on internal surfaces of the second cold flow reactor.
Composition for heat cycle system, and heat cycle system
A composition for a heat cycle system, which comprises a working fluid for heat cycle containing an unsaturated fluorinated hydrocarbon compound having a specific structure, and a refrigerant oil having a breakdown voltage of at least 25 kv, a hydroxy value of at most 0.1 mgkoh/g, and an aniline point of at least −100° c. And at most 0° c., and a heat cycle system employing the composition for a heat cycle system..
Composition for heat cycle system, and heat cycle system
A composition for a heat cycle system, which comprises a working fluid for heat cycle containing an unsaturated fluorinated hydrocarbon compound having a specific structure, and a refrigerant oil having a breakdown voltage of at least 25 kv, a hydroxy value of at most 0.1 mgkoh/g, and a kinematic viscosity at 40° c. Of from 5 to 200 mm2/s and a kinematic viscosity at 100° c.
Methods and materials for hydrocarbon recovery
Crosslinked polyolefins for use in recovering or containing hydrocarbons such as hydrocarbons contained in oil, are disclosed. Advantageously, the crosslinked polyolefins absorb the hydrocarbon to form a gel that can be collected and processed by heat to release the collected hydrocarbons..
The Penn State Research Foundation
Graft-modified propylene alpha-olefin copolymers and methods for producing the same
A graft-modified propylene.α-olefin copolymer (a) is obtained by graft-reacting a polar monomer onto a propylene.α-olefin copolymer (a) including 50 to 90 mol % of propylene-derived structural units (c3) and 10 to 50 mol % of c4-8 α-olefin-derived structural units (cα) (wherein the total of the structural units c3 and cα is 100 mol %), and satisfies the following requirements (i) to (iv) at the same time: (i) the amount of the polar monomer grafted is 0.4 to 1.5 wt %, (ii) the content of the polar monomer is not more than 1000 ppm, (iii) the content of a gel insoluble in xylene at 140° c. Is not more than 2.5 wt %, and (iv) the content of a volatile hydrocarbon compound is not more than 10 ppm..
Mitsui Chemicals, Inc.
Modified conjugated diene-based polymer, modified rubber composition containing same, and preparing modified conjugated diene-based polymer
Disclosed are a method of preparing a modified conjugated diene-based polymer, a modified conjugated diene-based polymer prepared thereby, a rubber composition including the modified conjugated diene-based polymer, and a tire including the rubber composition. The method of preparing the modified conjugated diene-based polymer includes (a) polymerizing a vinyl aromatic monomer and a conjugated diene monomer through continuous solution polymerization using a multifunctional anionic polymerization initiator in the presence of a hydrocarbon solvent, thus forming an active polymer having a reactive end; and (b) coupling or linking the reactive end of the active polymer with an aminosiloxane compound..
Lg Chem, Ltd.
Process for preparing 1,3-butadiene from n-butenes by oxidative dehydrogenation
Db) at least partly recycling the gas stream d2 as cycle gas stream a2 into the oxidative dehydrogenation zone, wherein the content of aromatic hydrocarbon solvent in the cycle gas stream a2 is limited to less than 1% by volume.. .
Hydrogenation using highly selective catalyst
A process comprising hydrogenating a highly unsaturated hydrocarbon in the presence of a first hydrogenation catalyst and a second hydrogenation catalyst to one or more compounds including an unsaturated hydrocarbon such that a total conversion of the highly unsaturated hydrocarbon is about 99 mol % or greater. In the process, the first hydrogenation catalyst, the second hydrogenation catalyst, or both, have a hydrogenation selectivity to the unsaturated hydrocarbon of about 90% or greater..
Chevron Phillips Chemical Company Lp
Processes for the preparation of an olefinic product
The invention provides a process for the preparation of an olefinic product, the process comprising the steps of: (a) reacting an oxygenate feedstock, comprising oxygenate, in an oxygenate reaction zone in the presence of a catalyst comprising a molecular sieve, at a temperature in the range of from 350 to 1000° c., to produce a reaction effluent stream, comprising at least oxygenate, olefin, water and acidic by-products; (b) cooling the reaction effluent stream by means of an indirect heat exchange to provide a cooled reaction effluent stream at a temperature greater than the dew point temperature of reaction effluent stream; (c) passing the cooled reaction effluent stream into a quench tower and contacting the cooled reaction effluent stream with a first aqueous liquid in the presence of at least one set of quench tower internals, to produce a quench tower gaseous stream comprising the olefinic product and a quench tower liquid stream comprising condensed material; and (d) separating the quench tower liquid stream into a hydrocarbon quench tower liquid stream and an aqueous quench tower liquid stream in the presence of one or more coalescers.. .
Shell Oil Company
Controlling flow of black powder in hydrocarbon pipelines
Black powder flowing with hydrocarbons in a hydrocarbon pipeline is converted into a magnetorheological slurry by implementing wet scrubbing in the hydrocarbon pipeline. A flow of the magnetorheological slurry through the hydrocarbon pipeline is controlled..
Saudi Arabian Oil Company
Hydrocarbon reformer including a core-shell catalyst
An illustrative example embodiment of a hydrocarbon reformer includes a vessel with at least one inlet and at least one outlet. A reforming catalyst is in the vessel includes a metal core and a rhodium layer deposited on the metal core.
Doosan Fuel Cell America, Inc.
Systems and methods of plasma partial dissociation of carbon dioxide, water, and carbonaceous matter
A system for plasma partial dissociation of some materials may include one or more plasma reactors. Such materials may include one or more of carbon dioxide, hydrocarbons, and water.
Fcc feed injector with improved atomization
The present invention discloses a method and an apparatus for mixing and atomizing a hydrocarbon stream using a diluent/dispersion stream. In one embodiment, the apparatus comprises: an inner conduit and an outer conduit concentric to each other to define an annular space, said outer conduit having an inlet for receiving the hydrocarbon stream and an outlet for dispensing a mixture comprising the hydrocarbon and the dispersion/diluent streams; a diluent/dispersion steam distributor being in connection with the inner conduit and defining a central orifice and a first set of orifices, said first set of orifices adapted to direct a first portion of the dispersion/diluent stream into the annular space and said central orifice adapted to direct a second portion of the diluent/dispersion stream into the inner conduit; at least one contraction member and expansion member, said contraction member located downstream of the first set of orifices and said expansion member located downstream said expansion member; the inner conduit located downstream of said expansion member comprises a second set of orifices, said second set of orifices disposed on a periphery of the inner conduit and adapted to dispense a second portion of the dispersion/diluent stream into the annular space..
Indian Oil Corporation Limited
Process and device for the steam reforming and steam cracking of hydrocarbons
A furnace and a process for temperature control of a material stream, wherein the furnace has a first combustion chamber, at least one reactor tube for receiving the material stream to be heated, and at least one second combustion chamber. The at least one reactor tube extends through the first combustion chamber and through the at least one second combustion chamber.
Coated mixing device for hydrocarbon fluid storage containers to combat mixing abrasion
A storage container for hydrocarbon fluid includes a mixing device having a sacrificial coating to protect against abrasion of the protective coating along the container wall during mixing.. .
Halliburton Energy Services Inc.
An acetone deficient composition including at least one polyol, at least one alkyl carbonate, at least one monoalcohol and optionally at least one hydrocarbon based non-volatile oil is provided.. .
Reformer-electrolyzer-purifier (rep) assembly for hydrogen production, systems incorporating same and producing hydrogen
A high temperature electrolyzer assembly comprising at least one electrolyzer fuel cell including an anode and a cathode separated by an electrolyte matrix, and a power supply for applying a reverse voltage to the at least one electrolyzer fuel cell, wherein a gas feed comprising steam and one or more of co2 and hydrocarbon fuel is fed to the anode of the at least one electrolyzer fuel cell, and wherein, when the power supply applies the reverse voltage to the at least one electrolyzer fuel cell, hydrogen-containing gas is generated by an electrolysis reaction in the anode of the at least one electrolyzer fuel cell and carbon dioxide is separated from the hydrogen-containing gas so that the at least one electrolyzer fuel cell outputs the hydrogen-containing gas and separately outputs an oxidant gas comprising carbon dioxide and oxygen.. .
Fuelcell Energy, Inc.
Light-emitting element, light-emitting device, display device, electronic device, and lighting device
A light-emitting element having high emission efficiency is provided. A light-emitting element which has high emission efficiency without using a rare metal as a light-emitting material is provided.
Semiconductor Energy Laboratory Co., Ltd.
Method for separating a hydrocarbon mixture containing hydrogen, separating device, and olefin plant
A method for separating a hydrogen-containing hydrocarbon mixture (c2minus), which in addition to the hydrogen essentially contains hydrocarbons with two carbon atoms and methane, using a distillation column (10). Fluid (a, c, e) of the hydrocarbon mixture (c2minus) is cooled stepwise at a first pressure level, during which time first condensates (b, d) are separated from the fluid (a, c, e).
Higher order simulation of hydrocarbon flows of hydraulic fracture treatments
Higher order simulation of hydrocarbon flows associated with complex fractures produced in the hydraulic fracturing process in a well system may be used to obtain high fidelity results while minimizing a cost of computation. The higher order simulation of hydrocarbon flows may provide efficient and stable simulation algorithms that avoid any artificial boundary treatment inconsistent with the governing equations, while maintaining a uniform order of accuracy.
Halliburton Energy Services, Inc.
Methods of extracting hydrocarbons from subterranean formations
A method of extracting hydrocarbons from a subterranean formation comprises introducing a solution comprising a silicon-containing compound into the subterranean formation. The silicon-containing compound may comprise a terminal group comprising one of an alkanoate group, a fluoroalkanoate group, and a perfluoroalkanoate group, and one or more of an alkoxy group and a chlorine atom bonded to the silicon atom.
Baker Hughes Incorporated
Reservoir fluid geodynamic reservoir modeling and characterization
A method includes receiving first fluid property data from a first location in a hydrocarbon reservoir and receiving second fluid property data from a second location in the hydrocarbon reservoir. The method includes performing a plurality of realizations of models of the hydrocarbon reservoir according to a respective plurality of one or more plausible dynamic processes to generate one or more respective modeled fluid properties.
Schlumberger Technology Corporation
Process and recovering hydrotreated hydrocarbons with two strippers
A process and apparatus is disclosed for recovering hydrotreating effluent from a hydrotreating unit utilizing a hot stripper and a cold stripper. Only the hot hydrotreating effluent is heated in a fired heater prior to product fractionation, resulting in substantial operating and capital savings.
Method of processing heavy oils and residua
There is provided a process of treating a heavy hydrocarbon-comprising material, comprising: contacting a feed material with at least a catalyst material within a contacting zone to effect generation of a total product such that a contacting zone material is disposed within the contacting zone and consists of the catalyst material and a feed/product-comprising mixture comprising the feed material and the total product, wherein the feed/product-comprising mixture includes a conradson carbon residue content of at least 12 weight percent, based on the total weight of the feed/product-comprising mixture, and also includes an asphaltene content of less than two (2) weight percent, based on the total weight of the feed/product-comprising mixture, and wherein the feed material includes deasphalted heavy hydrocarbon-comprising material. A heavy hydrocarbon-containing feed for a catalytic hydroprocessing or catalytic hydrocracking process is also provided, wherein the feed comprises a deasphalted heavy hydrocarbon-comprising material having a conradson carbon residue, ccr, content greater than about 12 wt % and an asphaltene content less than about 2 wt %.
Well Resources Inc.
Reforming catalysts with tuned acidity for maximum aromatics yield
One exemplary embodiment of the present disclosure can be a catalyst for catalytic reforming of naphtha. More specifically, the present disclosure relates to a reforming catalyst for the catalytic reforming of gasoline-range hydrocarbons that results in increased aromatics production.
Self-breaking fracturing fluids and methods for treating hydrocarbon-bearing formations
Disclosed herein is a fracturing fluid including a carrier fluid and a viscosity-increasing self-breaking synthetic polymer soluble in the carrier fluid. A method for treating a hydrocarbon-bearing formation is also disclosed..
Baker Hughes Incorporated
Fluids and methods for treating hydrocarbon-bearing formations
A fluid for temporarily plugging a hydrocarbon-bearing formation is disclosed. The fluid includes a carrier fluid and a crosslinked synthetic polymer, wherein the polymer comprises a labile group to degrade the polymer when exposed to a change in a condition of the fluid..
Baker Hughes Incorporated
Composition for heat cycle system, and heat cycle system
A composition for a heat cycle system comprising a working fluid for heat cycle containing trifluoroethylene, and a refrigerant oil (for example, an ester refrigerant oil, an ether refrigerant oil, a polyglycol refrigerant oil or a hydrocarbon refrigerant oil), and a heat cycle system employing the composition for a heat cycle system.. .
Tetrafluoroethylene polymer dispersions stabilized with aliphatic non-ionic surfactants
An aqueous dispersion comprising a tetrafluoroethylene core-shell polymer and at least one surfactant corresponding to the general formula r10-[ch2ch20]n[r20]m-r3 wherein r1 represents a linear or branched aliphatic hydrocarbon group having at least 8 carbon atoms, preferably 8 to 18 carbon atoms, r2 represents an alkylene having 3 carbon atoms, r3 represents hydrogen, a c1-c3 alkyl group, or a c1-c3 hydroxyalkyl group, n has a value of 0 to 40, m has a value of 0 to 40 and the sum of n+m is at least 2, wherein the dispersion is free of fluorinated emulsifiers or contains them in an amount of less than 50 ppm based on the weight of the dispersion and wherein the core-shell polymer contains an outer shell of tetrafluoroethylene homopolymer. Further provided are methods of making the dispersions, coating compositions comprising the dispersions and article coated by the coating composition..
3m Innovative Properties Company
Process for modifying ethylene-based polymers and copolymers
Process for functionalising an ethylene-based (co)polymer comprising the step of contacting an ethylene-based (co)polymer at a temperature in the range 100-250° c. With an azide of formula (i) wherein y is either (ia) or (ib) m is 0 or 1, n is 0 or 1, n+m=1 or 2, and x is a linear or branched, aliphatic or aromatic hydrocarbon moiety with 1-12 carbon atoms, optionally containing heteroatoms..
Akzo Nobel Chemicals International B.v.
Novel esterified cellulose ethers of high molecular weight and homogeneity
Esterified cellulose ethers which have i) as ester groups aliphatic monovalent acyl groups or a combination of aliphatic monovalent acyl groups and groups of the formula ——c(o)—r—cooa wherein r is a divalent aliphatic or aromatic hydrocarbon group and a is hydrogen or a cation, ii) a weight average molecular weight mw of from 80,000 dalton to 220,000 dalton, iii) a polydispersity mw/mn of from 1.3 to 4.0, and iv) an mz/mn of not more than 18.5, when the weight average molecular weight mw, the number average molecular weight mn and the z-average molecular weight mz are measured by sec-malls using as mobile phase a mixture produced from 40 parts by volume of acetonitrile and 60 parts by volume of aqueous buffer containing 50 mm nah2—po4 and 0.1 m nano3. Are useful as enteric polymers for pharmaceutical dosage forms..
Dow Global Technologies Llc
Hydrogen-assisted adsorption of sulphur compounds from olefin mixtures
The invention relates to a process for purifying hydrocarbon mixtures, in which a contaminated hydrocarbon mixture comprising olefins having three to eight carbon atoms is at least partly freed of sulphur-containing contaminants by contacting it with a solid sorbent, the hydrocarbon mixture being exclusively in the liquid state during the contact with the sorbent. The problem that it addressed was that of virtually completely removing sulphur compounds present in the mixture without forming new sulphur compounds again at the same time.
Evonik Degussa Gmbh
Olefin production process
A method (100) for obtaining olefins is proposed, wherein a first gas mixture (b), which is produced by a steam cracking process (1), is at least partially used to form a first separation feedstock (f) which contains hydrocarbons with one to five carbon atoms, and from which at least a first separation product (g) and a second separation product (h, o) are produced, the first separation product (g) containing at least the greater proportion of the hydrocarbons with one carbon atom and of the hydrocarbons with two carbon atoms contained in the first separation feedstock (f), and the second separation product (h, o) containing at least the greater proportion of the hydrocarbons with four carbon atoms and of the hydrocarbons with five carbon atoms contained in the first separation feedstock (f), and wherein a second gas mixture (r) which is produced by an oxygenate-to-olefin process (2) is used at least partially to form a second separation feedstock (t) which contains hydrocarbons with one to five carbon atoms, and from which at least a third separation product (e, y) and a fourth separation product (l, z) are produced, the third separation product (e, y) containing at least the greater proportion of the hydrocarbons with one carbon atom and of the hydrocarbons with two carbon atoms contained in the second separation feedstock (t), and the fourth separation product (l, z) containing at least the greater proportion of the hydrocarbons with four or five carbon atoms contained in the second separation feedstock (t). The third separation product (e, y) is also at least partially used to form the first separation feedstock (f), and a third separation feedstock (h, l) (o, z) is formed from at least part of the fourth separation product (l, z) and of the second separation product (h, o) and is subjected to a separation (14)..
Ion-exchanged zsm-5 zeolite catalyst for conversion of alkyl halide to olefins
Disclosed is a method for converting an alkyl halide to an olefin. The method can include contacting a zeolite catalyst having a chemical formula of my/nh(x-y)alxsi(96-x)o192, where m is a metal cation having a valence of n under reaction conditions sufficient to produce an olefin hydrocarbon product comprising c2 to c4 olefins.
Sabic Global Technologies B.v.
Multi-media stratified filtration
According to various aspects and embodiments, a system and method for treating a feed stream comprising hydrocarbons, suspended solids, and an aqueous-based liquid is provided. The systems and methods may utilize a stratified multi-media bed that includes at least one layer of a composite media comprising a mixture of a cellulose-based material and a polymer.
Siemens Energy, Inc.
Method of producing graphene from a hydrocarbon gas and liquid metal catalysts
Methods of producing graphene, reaction chambers for forming graphene, and graphene sheets formed from the methods are described herein. A method may include adding at least one metal catalyst in a reaction chamber, adding at least one hydrocarbon gas in the reaction chamber, allowing the at least one metal catalyst and the at least one hydrocarbon gas to contact one another to produce a product, and dehydrogenating the product to produce the graphene..
Empire Technology Development Llc
An apparatus for steam reforming of hydrocarbons is described including a steam reformer containing a plurality of externally-heated vertical tubes each tube having an inlet for a feed gas mixture including hydrocarbon and steam, and an outlet for a reformed gas mixture, wherein the tubes contain a particulate steam reforming catalyst adjacent the outlet and a structured steam reforming catalyst adjacent the inlet. A process for steam reforming of hydrocarbons using the apparatus is also described..
Johnson Matthey Public Limited Company
Method for safely and quickly shutting down and cleaning a hydroprocessing reactor of spent catalyst via a water flooding technique
Processes for shutting down a hydroprocessing reactor and for removing catalyst from the reactor may comprise shutting off hydrocarbon feed to the reactor, stripping hydrocarbons from the catalyst, cooling the reactor to a first threshold reactor temperature, purging the reactor with n2 gas, introducing water into the reactor, and dumping the catalyst from the reactor, wherein the first threshold reactor temperature may be substantially greater than 200° f. In an embodiment, the water may be introduced into the reactor via a quench gas distribution system when the reactor is at a second threshold reactor temperature not greater than 200° f.
Chevron U.s.a. Inc.
Hydrocarbon conversion process using improved mcm-56 manufacture
The present invention provides a process for converting a feedstock comprising hydrocarbon compounds using a catalyst made by an improved method for manufacturing high quality porous crystalline mcm-56 material. One such conversion process involves production of monoalkylated aromatic compounds, particularly ethylbenzene and cumene, by the liquid or partial liquid phase alkylation of alkylatable aromatic compound, particularly benzene..
Exxonmobil Chemical Patents Inc.
Method for the cleaning of exhaust gas from a compression ignition engine
A method for the cleaning of exhaust gas from a compression ignition engine, comprising the steps of injecting a first amount of an aqueous urea solution into the gas; in a first mode of operation and at an exhaust gas temperature of between 150 and 220° c. Hydrolysing the first amount of urea to ammonia reducing agent in presence of a first catalyst comprising vanadium oxide supported on titania and subsequently removing part of nitrogen oxides contained in the exhaust gas by contacting the gas mixed with the ammonia reducing agent through a second catalyst comprising platinum on titania and/or alumina; and in a second mode of operation and at an exhaust gas temperature above 220° c.
Haldor Tøpsoe A/s