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| Number | Title | Issue Date |
| 8114176 | Catalytic steam gasification of petroleum coke to methane The present invention provides a catalytic steam gasification process for gasifying petroleum coke. The solids composition within the gasification reactor of the disclosed invention is maintained by controlling the catalyst composition of the feed. The process utili... | 02/14/2012 |
| 7988750 | Method for recovering methane gas from natural gas hydrate The present invention relates to a method for recovering methane gas by adding a gas mixture containing N2 and CO2 gases to natural gas hydrate and reacting them. The method for recovering methane gas from natural gas hydrate of the present inv... | 08/02/2011 |
| 7645306 | Removal of mercury from fluids by supported metal oxides This invention relates to the use of a copper oxide adsorbent to remove mercury from a feed stream. When the feed stream is low in sulfur content, a sulfidation agent such as hydrogen sulfide should be added to the feed stream. ... | 01/12/2010 |
| 7452390 | Controlled superheating of natural gas for transmission A method is provided for controlling superheating and temperature of a compressed natural gas stream and the addition of a corrision inhibitor composition for transmission through a pipeline that includes: a. dividing a stream of natural gas discharged from a high p... | 11/18/2008 |
| 7442349 | Ammonia plant configuration and methods A synthesis plant includes a separation system upstream of a synthesis loop that removes excess nitrogen and other gaseous compounds from a feed gas having a ratio of hydrogen to nitrogen of less than 3:1, thereby producing a syngas with a ratio of hydrogen to nitro... | 10/28/2008 |
| 7438877 | Fast, high capacity hydrogen sulfide scavengers Selective, irreversible removal of hydrogen sulfide (H2S) and other sulfhydryl compounds from a gas stream, such as sour natural gas and sour hydrocarbon liquids is achieved with a scavenging agent having hydroxyalkyl functionality and alkylamine function... | 10/21/2008 |
| 7425314 | Process for removing sulphur compounds including hydrogen sulphide and mercaptans from gas streams A process for the removal of hydrogen sulfide and mercaptans from a gas stream containing a high ratio of mercaptans to hydrogen sulfide, wherein the first step removes hydrogen sulfide by washing the gas stream with an aqueous washing solution comprising water, a p... | 09/16/2008 |
| 7419737 | Fuel supply device for direct methanol fuel cells A fuel supply device for direct methanol fuel cells includes a fuel tank for storing liquid fuel, a wick structure formed on the fuel tank, the wick structure for receiving the liquid fuel from the fuel tank, a sheet stack disposed on the wick structure, the sheet s... | 09/02/2008 |
| 7420004 | Process and System for producing synthetic liquid hydrocarbon fuels A process for producing synthetic hydrocarbons that reacts carbon dioxide, obtained from seawater of air, and hydrogen obtained from water, with a catalyst in a chemical process such as reverse water gas shift combined with Fischer Tropsch synthesis. The hydrogen is... | 09/02/2008 |
| 7416569 | Fuel gas production apparatus and method of starting operation of fuel gas production apparatus A PSA mechanism has adsorption towers. Cleaning valves and off gas valves are connected to the adsorption towers. Valve positions of at least either the cleaning valves or the off gas valves are determined based on an operation suspension period of the PSA mechanism... | 08/26/2008 |
| 7374734 | Absorbing agent and method for eliminating acid gases from fluids The disclosure relates to an absorbent for removing acid gases from fluids. The absorbent contains at least one tertiary amine, an amine which is selected from hydroxyethylpiperazine, bis(hydroxyethylpiperazine) or a mixture of these and piperazine. The absorbent ma... | 05/20/2008 |
| 7374742 | Direct sulfur recovery system The present invention provides a method for removing sulfur species from a gas stream without the use of a sulfur species removal process, such as an amine scrub. The sulfur species are removed by directly subjecting the gas stream to a sulfur recovery process, such... | 05/20/2008 |
| 7357821 | System for converting fuel and air into reformate A system for converting fuel and air into reformate with a reformer which has a reaction space, a nozzle for supplying a fuel/air mixture to the reaction space, and a fuel feed for supplying fuel to the nozzle (14). The nozzle is a Venturi nozzle with an air ... | 04/15/2008 |
| 7357820 | System for converting fuel and air into reformate The invention relates to a system for converting fuel and air into reformate with a reformer which has a reaction space, a nozzle for supplying a fuel/air mixture to the reaction space, and a fuel feed for supplying fuel to the nozzle. In the invention, the air inle... | 04/15/2008 |
| 7354463 | Apparatus and methods for producing hydrogen An apparatus and method for producing a hydrogen-enriched reformate. The apparatus includes a fuel processor for producing a reformate having fluctuations in a pressure and/or flow rate and means for reducing the fluctuations. The reformate comprises impurities that... | 04/08/2008 |
| 7350359 | Method for utilizing gas reserves with low methane concentrations and high inert gas concentrations for fueling gas turbines The invention is directed to a method of fueling gas turbines from natural gas reserves with relatively low methane concentrations. The invention uses such reserves to generate electric power. The invention permits the use of these reserves at significantly lower co... | 04/01/2008 |
| 7317401 | Method and mechanical tamper-evident case fastener A method and apparatus are provided for identifying product tampering. A mechanical fastening screw, a sleeve and a movable follower disk are arranged to show evidence of tampering. The movable follower disk is received within a cavity defined by the sleeve. The sle... | 01/08/2008 |
| 7299655 | Systems and methods for vaporization of liquefied natural gas Disclosed are methods and systems for vaporization of liquefied natural gas (LNG) that employ a condensing gas stream to adjust the gross heating value (GHV) of the LNG such that, upon vaporization, a natural gas product is obtained that meets pipeline or other comm... | 11/27/2007 |
| 7285144 | Fluidized-bed gasification and combustion furnace A gasification furnace and a combustion furnace are integrated with each other to form a single fluidized-bed gasification and combustion furnace in which unburned char generated in the gasification furnace is combusted in the combustion furnace, and the thus genera... | 10/23/2007 |
| 7285247 | Apparatus and method for operating a fuel reformer so as to purge soot therefrom A method of operating a fuel reformer includes advancing a first air/fuel mixture having a first air-to-fuel ratio into the fuel reformer. The method further includes determining if a soot purge is to be performed and generating a purge-soot signal in response there... | 10/23/2007 |
| 7272932 | System and method of use of expansion engine to increase overall fuel efficiency A system of increasing overall fuel efficiency of a facility including a gas expansion engine for receiving a supply of pressurized gas of a first pressure and first temperature and outputting a tail gas of a second lower temperature and lower pressure. The expansio... | 09/25/2007 |
| 7266976 | Vertical heat exchanger configuration for LNG facility LNG facility employing one or more vertical core-in-kettle heat exchangers to cool natural gas via indirect heat exchange with a refrigerant. The vertical core-in-kettle heat exchangers save plot space and can be use to reduce the size of cold boxes employed in the ... | 09/11/2007 |
| 7250151 | Methods of conducting simultaneous endothermic and exothermic reactions Integrated Combustion Reactors (ICRS) and methods of making ICRs are described in which combustion chambers (or channels) are in direct thermal contact to reaction chambers for an endothermic reaction. Particular reactor designs are also described. Processes of cond... | 07/31/2007 |
| 7244281 | Method and apparatus for trapping and purging soot from a fuel reformer A plasma fuel reformer assembly for producing reformate gas includes a fuel reformer having an air/fuel input assembly, an electrode assembly, and a soot trap positioned downstream of the electrode assembly. The electrode assembly includes a first electrode and a se... | 07/17/2007 |
| 7238215 | Integrated process and installation for the production of synthesis gas In an integrated process for the production of synthesis gas, a partial oxidation unit and a steam methane reformer are used to convert natural gas or another fuel to first and second mixtures of at least carbon monoxide and hydrogen, only the first process consumin... | 07/03/2007 |
| 7232472 | Method for the treatment of coal A method and apparatus for the treatment of coal to form a product gas such as methane (CH4), and a high purity carbon product. The method includes contacting a coal-containing feedstock with a treatment gas that includes hydrogen. The coal feedstock can ... | 06/19/2007 |
| 7226566 | Method of producing charcoal, conditioned fuel gas and potassium from biomass The invention provides a process for the production of charcoal, fuel gas, and potassium from a biomass gassifier. ... | 06/05/2007 |
| 7192565 | Method of collecting mercaptans contained in a gaseous feed The gaseous feed flowing in through line 1 is contacted in contacting zone ZA with a liquid solvent flowing in through line 2. The solvent comprises between 0.001% and 100% by weight of a liquid olefin. Contacting in zone ZA is carried out in the prese... | 03/20/2007 |
| 7160344 | Process for the continuous production of carbon monoxide-free hydrogen from methane or methane-rich hydrocarbons The present invention relates to a catalytic process for the continuous production of carbon monoxide-free hydrogen from methane or methane-rich hydrocarbons using a solid catalyst comprising at least one group VIII metal in two parallel catalytic reactors. ... | 01/09/2007 |
| 7138001 | Partial oxidation reformer-reforming exchanger arrangement for hydrogen production Low-energy hydrogen production is disclosed. A reforming exchanger is placed in parallel with a partial oxidation reactor in a new hydrogen plant with improved efficiency and reduced steam export, or in an existing hydrogen plant where the hydrogen capacity can be i... | 11/21/2006 |
| 7128769 | Methanol steam reforming catalysts, steam reformers, and fuel cell systems incorporating the same Methanol steam reforming catalysts, and steam reformers and fuel cell systems incorporating the same. In some embodiments, the methanol steam reforming catalyst includes zinc oxide as an active component. In some embodiments, the methanol steam reforming catalyst fu... | 10/31/2006 |
| 7122170 | Catalysts for SPOC™ enhanced synthesis gas production A process and system for producing synthesis gas by a SPOC® enhanced catalytic partial oxidation process is disclosed. Light hydrocarbons in a H2S-containing feed gas are partially oxidized to produce hydrogen and carbon monoxide over a catalyst that sim... | 10/17/2006 |
| 7108842 | Process for the catalytic partial oxidation of HS using staged addition of oxygen A multistage oxygen-added catalytic partial oxidation process and apparatus for converting H2S in an acid gas stream to elemental sulfur and water are disclosed. Each staged addition of oxygen or air at the top of the catalyst bed and at points along the ... | 09/19/2006 |
| 7097675 | Fast-quench reactor for hydrogen and elemental carbon production from natural gas and other hydrocarbons A fast-quench reactor for production of diatomic hydrogen and unsaturated carbons is provided. During the fast quench in the downstream diverging section of the nozzle, such as in a free expansion chamber, the unsaturated hydrocarbons are further decomposed by rehea... | 08/29/2006 |
| 7091156 | Activated carbon for use in electric double layer capacitors Activated carbon adapted for electric double layer capacitors is provided, which capacitors can give a large power density per unit volume and which capacitors, even when charge-and-discharge cycle is repeated under a large current or a constant voltage is continuou... | 08/15/2006 |
| 7056360 | Optical odorization system A system is shown for injecting a chemical, such as an odorant, from a chemical supply into a fluid containing system such as a natural gas pipeline. A tank of odorant is maintained under a positive pressure which exceeds that of the pipeline. An injection conduit c... | 06/06/2006 |
| 7033822 | Self-contained and streamlined methane and/or high purity hydrogen generation system A process for producing methane and/or high purity hydrogen from anaerobically decomposed organic materials as well as a methane and/or high purity hydrogen generation system that operates in accordance with this process, are provided. The inventive system, which is... | 04/25/2006 |
| 7028644 | High compression ratio, hydrogen enhanced engine system A hydrogen enhanced engine system using high compression ratio is optimized to minimize NOx emissions, exhaust aftertreatment catalyst requirements, hydrogen requirements, engine efficiency and cost. In one mode of operation the engine is operated very lean (equival... | 04/18/2006 |
| 7025803 | Methane recovery process A system and a process for recovering high concentrations of methane from crude natural gas and solid waste landfill exhaust gas uses a sequential combination of a pressure swing adsorber unit operation to remove volatile organic compounds from the crude feed gas mi... | 04/11/2006 |
| 6972114 | Biomass gasifier apparatus and method A biomass gasifier apparatus (10) produces low BTU gas from biomass, while removing the char and ash in an efficient manner. A fluidized bed gasifier cell (20) receives biomass fuel from a fuel input system (280). A preferred fluidized bed gasif... | 12/06/2005 |
