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| Number | Title | Issue Date |
| 8178075 | Tubular reactor with jet impingement heat transfer A tubular reactor and method for producing a product mixture in a tubular reactor where the tubular reactor comprises an internal catalytic insert having orifices for forming fluid jets for impinging the fluid on the tube wall. Jet impingement is used to improve hea... | 05/15/2012 |
| 8172566 | Liquid fuel combustion process and apparatus An apparatus for combustion of a liquid fuel, such as an atomizer or burner, and an associated method using the apparatus for combusting an atomized liquid fuel. The apparatus for combustion has an outer conduit, an inner conduit and a spray tip. The spray tip has a... | 05/08/2012 |
| 8156970 | Temperature-compensated dispensing of compressed gases Method for dispensing a gas comprising (a) providing a gas storage system containing pressurized gas and having at least first and second gas storage volumes, first and second flow control valves in flow communication with the first and second gas storage volumes, r... | 04/17/2012 |
| 8148583 | Feed gas contaminant removal in ion transport membrane systems An oxygen ion transport membrane process wherein a heated oxygen-containing gas having one or more contaminants is contacted with a reactive solid material to remove the one or more contaminants. The reactive solid material is provided as a deposit on a support. The... | 04/03/2012 |
| 8137422 | Steam-hydrocarbon reforming with reduced carbon dioxide emissions A process for producing a hydrogen-containing product gas with reduced carbon dioxide emissions compared to conventional hydrogen production processes. A hydrocarbon and steam are reformed in a reformer and the resulting reformate stream is shifted in one or more sh... | 03/20/2012 |
| 8114193 | Ion transport membrane module and vessel system An ion transport membrane system comprising (a) a pressure vessel having an interior, an exterior, an inlet, and an outlet; (b) a plurality of planar ion transport membrane modules disposed in the interior of the pressure vessel and arranged in series, each membrane... | 02/14/2012 |
| 8091369 | Method and apparatus for generating electrical power A superheater in a power plant that superheats steam to operation conditions exceeding an operating limit of an associated steam-producing boiler. The superheater combusts oxygen and fuel with cooled recycled combustion gas to produce a CO2-rich combustio... | 01/10/2012 |
| 8038981 | Hydrogen production using complex metal oxide pellets Complex metal oxide-containing pellets and their use for producing hydrogen. The complex metal oxide-containing pellets are suitable for use in a fixed bed reactor due to sufficient crush strength. The complex metal oxide-containing pellets comprise one or more comp... | 10/18/2011 |
| 8020589 | Hydrogen dispensing station and method of operating the same A hydrogen dispensing station and method of operating a hydrogen dispensing station for dispensing to multiple receiving vessels. The station and method limit receiving vessel gas temperature during dispensing. Various components used to limit receiving vessel gas t... | 09/20/2011 |
| 7988948 | Steam-hydrocarbon reforming method with limited steam export A method for generating hydrogen and/or syngas in a production facility where little or no export steam is produced. Most or all of the steam produced from the waste heat from the process is used in the steam-hydrocarbon reformer. Reformed gas is passed to a pressur... | 08/02/2011 |
| 7955423 | Solid-state membrane module Solid-state membrane modules comprising at least one membrane unit, where the membrane unit has a dense mixed conducting oxide layer, and at least one conduit or manifold wherein the conduit or manifold comprises a dense layer and at least one of a porous layer and ... | 06/07/2011 |
| 7921883 | Hydrogen dispenser with user-selectable hydrogen dispensing rate algorithms A hydrogen dispenser comprises a programmable controller and a user interface operably connected to the programmable controller. The programmable controller has a plurality of user-selectable hydrogen dispensing rate algorithms. The user interface offers the plurali... | 04/12/2011 |
| 7919057 | Method and apparatus for producing a hydrogen-containing gas A process and apparatus for producing a hydrogen-containing gas in a reformer where a furnace, which is independent of the reformer, heats the effluent from a prereformer prior to reacting the prereformer effluent in the reformer. The prereformer effluent may be hea... | 04/05/2011 |
| 7897128 | Preparation of complex metal oxides The present invention provides a process for making a complex metal oxide comprising the formula AxByOz. The process comprises the steps of: (a) reacting in solution at a temperature of between about 75° C. to about 100° C. at leas... | 03/01/2011 |
| 7871826 | Method for determining carbon content of a hydrocarbon-containing mixture A method for determining a carbon content value of a hydrocarbon-containing mixture. At least one composition-dependent bulk property of the hydrocarbon-containing mixture is measured and optionally at least one non-hydrocarbon component concentration is measured wi... | 01/18/2011 |
| 7871579 | Tubular reactor with expandable insert A tubular reactor having an insert for improving heat transfer characteristics of the tubular reactor. The insert comprises a catalyst and metal structures consecutively arranged in a lengthwise direction of the tube. The metal structures have radially expandable si... | 01/18/2011 |
| 7850944 | Steam-hydrocarbon reforming method with limited steam export A method for generating hydrogen and/or synthesis gas in a production facility where little or no export steam is produced. Most or all of the high pressure steam produced from the waste heat from the process is used in the steam-hydrocarbon reformer with little or ... | 12/14/2010 |
| 7837973 | Hydrogen production method A hydrogen production method that integrates a catalytic steam reformer and a gasifier. Hydrogen is generated in a catalytic steam reformer at a high production rate or design capacity. The catalytic steam reformer is then turned down to a fraction of design capacit... | 11/23/2010 |
| 7824655 | Regeneration of complex metal oxides for the production of hydrogen In a process for producing a hydrogen-containing gas, a hydrocarbon feed gas and steam are introduced into a reaction vessel containing a complex metal oxide and steam-hydrocarbon reforming catalyst thereby forming a combustible gas mixture comprising hydrogen. A re... | 11/02/2010 |
| 7790059 | Staged hydrocarbon/steam reformer apparatus and method A staged steam hydrocarbon reformer is disclosed having a chamber within which convectively heated reformer stages are enclosed. The reformer stages are tubes containing steam reforming catalyst. The stages are in serial fluid communication with one another through ... | 09/07/2010 |
| 7771519 | Liners for ion transport membrane systems Ion transport membrane system comprising (a) a pressure vessel comprising an interior, an exterior, an inlet, an inlet conduit, an outlet, and an outlet conduit; (b) a plurality of planar ion transport membrane modules disposed in the interior of the pressure vessel... | 08/10/2010 |
| 7761994 | Reactor with expandable structure providing improved heat transfer A method and a reactor made by a method for increasing heat transfer from a heat source outside a vessel to the fluid inside the vessel are characterized by expanding a structure within the vessel toward the inner vessel surface so as to decrease the spacing between... | 07/27/2010 |
| 7695708 | Catalytic steam reforming with recycle A method for generating hydrogen in a production facility having a catalytic steam reformer, a boiler downstream of the catalytic steam reformer, optionally having a prereformer, and optionally having a shift reactor, wherein the reformer feed gas mixture is formed ... | 04/13/2010 |
| 7695545 | Adsorption process to recover hydrogen from feed gas mixtures having low hydrogen concentration A process for selectively separating hydrogen from at least one more strongly adsorbable component in a plurality of adsorption beds to produce a hydrogen-rich product gas from a low hydrogen concentration feed with a high recovery rate. Each of the plurality of ads... | 04/13/2010 |
| 7686611 | Flame straightening in a furnace The present invention relates to a method and furnace for generating straightened flames in a steam methane reformer or ethylene cracking furnace where fuel-staged burners are used. Fuel staging may be used for reducing NOx emissions. Criteria for generating straigh... | 03/30/2010 |
| 7632090 | Burner system and method of operating a burner for reduced NOx emissions A burner system and method of operating a burner for reduced NOx emissions. The burner system comprises a flame stabilizer, at least one fuel staging lance, an actuated valve, a temperature sensor and a controller. The amount of fuel to the flame stabilizer relative... | 12/15/2009 |
| 7622058 | Catalyst for improving the adiabatic steam reforming of natural gas A catalyst for adiabatically prereforming a feedstock wherein the catalyst comprises 1 to 20 wt. % nickel and 0.4 to 5 wt. % potassium on a calcium aluminate support. The overall catalyst porosity is greater than 40% with greater than 70% of the overall catalyst por... | 11/24/2009 |
| 7621154 | Solid fuel combustion for industrial melting with a slagging combustor A method for supplying heat to a melting furnace for forming a molten product using ash-containing fuels. A fuel having an ash component is introduced into a slagging chamber of a slagging combustor and at least partially combusted with a first oxidant mixture and a... | 11/24/2009 |
| 7591992 | Hydrogen production process with regenerant recycle The present invention relates to a process for producing a hydrogen-containing gas. The process comprises introducing a regeneration gas into a hydrogen reaction vessel containing solid packing material thereby at least partially regenerating the solid packing mater... | 09/22/2009 |
| 7510696 | Method and apparatus for the production of hydrogen-rich gas A method and apparatus for the production of hydrogen-rich gas are provided. The method and apparatus prevent over-reduction of iron oxide-based shift catalyst by introducing an oxidative stream along with a carbon monoxide containing gaseous feed stream from a cata... | 03/31/2009 |
| 7504048 | Axial convective reformer A steam/hydrocarbon reformer employing a conventional radiantly heated first reformer section and a flue-gas heated second reformer section is disclosed. The second reformer section comprises catalyst-containing tubes for partially reforming a hydrocarbon stream. Th... | 03/17/2009 |
| 7501078 | Process for generating synthesis gas using catalyzed structured packing A process for generating synthesis gas wherein a reactant gas mixture comprising steam and a light hydrocarbon is introduced into a tubular reactor comprising a catalyzed structured packing at higher inlet mass rates than conventional tubular reactors containing ran... | 03/10/2009 |
| 7501009 | Combined cryogenic distillation and PSA for argon production A method and apparatus for producing high purity argon by combined cryogenic distillation and adsorption technologies is disclosed. Crude argon from a distillation column or a so-called argon column is passed to a system of adsorption vessels for further purificatio... | 03/10/2009 |
| 7449167 | Catalyst and process for improving the adiabatic steam-reforming of natural gas A process for adiabatically prereforming a feedstock, includes: providing an adiabatic reactor; providing a catalyst containing 1-20 wt. % nickel and 0.4-5 wt. % potassium, wherein the catalyst has an overall catalyst porosity of 25-50% with 20-80% of the overall ca... | 11/11/2008 |
| 7429373 | Process for autothermal generation of hydrogen Process for producing hydrogen comprising reacting at least one hydrocarbon and steam in the presence of a complex metal oxide and a steam-hydrocarbon reforming catalyst in a production step under reaction conditions sufficient to form hydrogen gas and a spent compl... | 09/30/2008 |
| 7427388 | Process for improving prereforming and reforming of natural gas containing higher hydrocarbons along with methane A process for prereforming natural gas containing higher hydrocarbons and methane, includes providing a reactor having a nickel catalyst; providing steam, hydrogen, and natural gas containing higher hydrocarbons and methane to the reactor; adding an oxidant to the f... | 09/23/2008 |
| 7427339 | Heat conducting metal layer for ion conductor stack The current invention relates to a means for improving heat removal from the inside of an electrochemical device to the outer surface so as to reduce thermal stresses in the device, thereby allowing for increased oxygen production. A means for conducting heat toward... | 09/23/2008 |
| 7390350 | Design and operation methods for pressure swing adsorption systems Method for the separation of a gas mixture comprising providing a pressure swing adsorption system having a plurality of adsorber vessels, wherein each vessel has an inlet, an outlet, and a bed of particulate adsorbent material disposed therein. The adsorbent materi... | 06/24/2008 |
| 7354562 | Simultaneous shift-reactive and adsorptive process to produce hydrogen A process for producing a high temperature COx-lean product gas from a high temperature COx-containing feed gas, includes: providing a sorption enhanced reactor containing a first adsorbent, a shift catalyst and a second adsorbent; feeding into... | 04/08/2008 |
| 7303388 | Staged combustion system with ignition-assisted fuel lances Combustion system comprising a furnace having a thermal load and a combustion atmosphere disposed therein; one or more fuel lances adapted to inject fuel into the combustion atmosphere; and one or more igniters associated with the one or more fuel lances and adapted... | 12/04/2007 |
