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GASEOUS COMPOSITIONS

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252 - Compositions

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Class / Patent application numberDescriptionNumber of patent applications / Date published
252373000 Carbon-oxide and hydrogen containing 257
252374000 Nitrogen and hydrogen containing 7
Entries
DocumentTitleDate
20100012900NON-IGNITABLE GASEOUS COMPOSITION COMPRISING DIFLUOROMETHANE AND TETRAFLUOROETHYLENE - The present disclosure relates to non-ignitable gaseous compositions comprising difluoromethane and tetrafluoroethylene. When the pressure is at least 150 psig, the molar percentage of tetrafluoroethylene in the non-ignitable gaseous composition is no more than 111.6−0.124X. When the pressure is less than 150 psig, the molar percentage of tetrafluoroethylene in the non-ignitable gaseous composition is no more than 102−0.06X. X is the pressure in the unit of psig.01-21-2010
20090194741Exhaust system having a carbon oxide catalyst - A catalytic filter system is disclosed. The catalytic filter system contains a catalyst including a ternary nitride and at least one of gold, osmium, iridium, palladium, rhodium, rhenium, ruthenium, or cesium. The catalytic filter system may further include an energy source situated to impart energy to the catalyst.08-06-2009
20130032761COST-EFFECTIVE CATALYST FOR GASIFICATION OF POWDER RIVER BASIN COAL - The present invention generally relates to a catalytic gasification of coal. Catalytic gasification of a Wyodak low-sulfur sub-bituminous coal from the Powder River Basin of Wyoming was investigated using an inexpensive sodium carbonate catalyst applied via incipient wetness impregnation. Experiments in an atmospheric pressure fixed-bed laboratory gasifier were performed to evaluate the effects of reaction temperature, feed gas steam content, and Na02-07-2013
20130032760DEVICE AND METHOD FOR CONTROLLING THE PERMEATION OF OXYGEN THROUGH NON-POROUS CERAMIC MEMBRANES WHICH CONDUCT OXYGEN ANIONS, AND THE USE THEREOF - A process for regulating the rate of permeation of oxygen through a nonporous ceramic membrane which conducts oxygen anions and contains alkaline earth metal ions. On at least one side of the nonporous ceramic membrane which conducts oxygen anions, carbon dioxide and/or a gaseous carbon dioxide precursor is added for a predetermined time, which enables an alteration of the oxygen permeability of the membrane material. This brings about reversible chemical formation of alkaline earth metal carbonates in the membrane and, as a result, alters the properties thereof for oxygen permeation. A membrane reactor equipped with a feed line for a moderator gas can be regulated in a simple manner. The membrane reactor can preferably be used for oxidation reactions and/or for removal of oxygen from gas mixtures.02-07-2013
20100006803METHOD OF TREATING A HIGH-PRESSURE HYDROCARBON STREAM HAVING A HIGH CARBON DIOXIDE CONTENT TO YIELD A HIGH PURITY HYDROCARBON GAS STREAM AND A SEQUESTRATION READY CARBON DIOXIDE GAS STREAM - A method of treating a high-pressure hydrocarbon stream, such as natural or synthetic gas, contaminated with a high concentration of carbon dioxide, by contacting the contaminated high-pressure hydrocarbon stream with a chilled aqueous ammonia solution in an absorber at high pressure to produce a treated gas stream having a substantially reduced carbon dioxide content and a carbon dioxide-rich ammonia solution. The carbon dioxide-rich ammonia solution is regenerated by stripping, thus producing a concentrated carbon dioxide stream at high pressure suitable for sequestration or other uses.01-14-2010
20110006261USE OF AN OZONE/OXYGEN MIXTURE AS PRIMARY ANTICANCER THERAPY THROUGH INTRAPERITONEAL INSUFFLATION - Head and neck squamous cell carcinomas (HNSCC) represent a group of metastasizing tumors with a high mortality rate in man and animals. Since the biomolecule ozone was found to inhibit growth of various carcinoma cells in vitro we here applied the highly aggressive and lethal VX2 carcinoma HNSCC tumor model of the New Zealand White rabbit to test whether ozone exerts anti-tumorous effects in vivo. Therapeutic insufflation of medical ozone/oxygen (O01-13-2011
20110012063METHOD AND SYSTEM FOR PRODUCING METHANE ENRICHED BIOGAS - A method and system for producing methane from raw biogas is provided, including absorption of biogas components with basic aqueous solution and treating the resultant solution in order to regenerate basic aqueous solution and harmless decomposed organic and non-organic components of biogas.01-20-2011
20120138859Ionic Liquid Monopropellant Gas Generator - An energetic ionic liquid catalytic decomposition gas generator uses stoichiometric and nonstoiciometric mixtures of specific energetic ionic liquids and iridium catalyst. The catalyst temperature used and gas production versus ignition may be controlled by combining one or more cationic species with one or more anionic species of the ionic liquid(s).06-07-2012
20110297884Method of producing trichlorosilane (TCS) rich chlorosilane product stably from a fluidized gas phase reactor (FBR) and the structure of the reactor -II - A fluidized bed reactor (FBR) for producing chlorosilane mixture, which has high contents of tri-chlorosilane (TCS), by hydro chlorination of metallurgical silicon (MGSI) and a method of producing high contents of TCS stably with the FBR is disclosed. A cooling jacket, which surrounds the lower reactor section, combined with inert initial charging material, which does not react with HCl during the reaction at a temperature of above 300° C. and pressure of above 5 bar, controls the extreme exothermal heat of the reaction. In addition to this, combination of an optimized gas distributor and a feeder that can feed the metallurgical silicon with accuracy of ±5% enabled to realize uniform temperature profile within the reaction zone within ±1° C. deviation at 350° C. of average reaction temperature and at 5 bar of reaction pressure. Without the initial charging material, temperature profile within the reaction zone is controlled within ±30° C.12-08-2011
20100264372Method of Concentrating Hydrochloric Acid - A method for producing concentrated HCl vapor from an aqueous solution of HCl, including: (a) introducing an aqueous feed liquor to an evaporation chamber containing a mother liquor, the feed liquor having an initial, super-azeotropic HCl concentration; (b) directly contacting a liquor of these liquors with a heat-laden heat transfer fluid, to transfer heat from the fluid; (c) utilizing the heat to evaporate HCl, within the chamber, to produce the concentrated HCl vapor and to produce the mother liquor, the mother liquor including an aqueous phase having a reduced concentration of HCl, with respect to the initial HCl concentration; (d) subjecting the mother liquor to a liquid-liquid separation to produce a liquid phase containing HCl, and another liquid phase containing the heat transfer fluid in a heat-depleted state, with respect to the heat transfer fluid in step (b); (e) heating the heat transfer fluid in the heat-depleted state, to regenerate the heat-laden heat transfer fluid, and (f) returning this heat transfer fluid to step (b).10-21-2010
20100123099Method for producing hydrogen - A method for producing hydrogen from a light hydrocarbon gas with the hydrocarbon gas being converted to particulate carbon and hydrogen and thereafter quenched with liquid sulfur with the purified hydrogen being recovered as a product.05-20-2010
20120292573GASIFICATION REACTOR AND PROCESS - A gasification reactor (11-22-2012
20080210908Method For Producing A Hydrogen Enriched Fuel And Carbon Nanotubes Using Microwave Assisted Methane Decomposition On Catalyst - A method for producing a hydrogen enriched fuel and carbon nanotubes includes the steps of providing a flow of methane gas, and providing a catalyst mixture comprising a Fe based catalyst and carbon. The method also includes the steps of pretreating the catalyst mixture using microwave irradiation and exposure to CH09-04-2008
20100200809METHOD OF ENRICHING A GASEOUS EFFLUENT WITH ACID GAS - The present invention relates to a method of enriching a gaseous effluent with acid compounds, comprising the following stages: 08-12-2010
20090242840Reversible Water-Free Process for the Separation of Acid-Containing Gas Mixtures - Gas mixtures which comprise acids like HF, HCl and/or HBr and other constituents, especially gas mixtures which comprise or consist of carboxylic acid fluorides, C(O)F10-01-2009
20100171079HYDROGEN ODORIZATION - A composition comprising: hydrogen; and an oxygenate odorant; wherein the oxygenate odorant has a vapor pressure of about 0.002 psi. or greater at 25° C. and having a smell detectable at less than 1 ppm by a human nose; wherein the oxygenate odorant includes one or more carbonyl groups; and wherein the oxygenate odorant consists only of carbon, hydrogen and oxygen. The oxygenate odorants may be cyclic or acyclic.07-08-2010
20100163802HYDROGEN SUPPLY DEVICE AND METHOD OF SUPPLYING HYDROGEN - A hydrogen supply device and a method of supplying hydrogen are provided in which a hydrogen gas odorized with the odor agent is supplied by applying heat to a granular mixture of hydrogen storage glass beads and odor agent encapsulating capsules using irradiation with infrared light emitted from a light source.07-01-2010
20100163801Odorant for Hydrogen Based on Acrylate and Methyl Salicylate - The present invention concerns a nitrogen-free and sulfur-free odorant for hydrogen gas containing at least one acrylic acid CrC6-alkyl ester and methyl salicylate, its use for the odorisation of hydrogen gas, a process for the odorisation of hydrogen gas and hydrogen gas containing an odorant according to the invention.07-01-2010
20090078912Method 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 with the resulting measurements used in a carbon content correlation for calculating the carbon content of the hydrocarbon-containing mixture. The carbon content may be used in a hydrogen and/or synthesis gas production process for calculating a target flow rate of steam to be combined with the hydrocarbon-containing mixture to form a mixed feed having a target steam-to-carbon ratio.03-26-2009
20100224834Method 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 with the resulting measurements used in a carbon content correlation for calculating the carbon content of the hydrocarbon-containing mixture. The carbon content may be used in a hydrogen and/or synthesis gas production process for calculating a target flow rate of steam to be combined with the hydrocarbon-containing mixture to form a mixed feed having a target steam-to-carbon ratio.09-09-2010
20120241674Catalytic Reactor Including One Cellular Area Having Controlled Macroporosity and a Controlled Microstructure and One Area Having a Standard Microstructure - The invention relates to a catalytic reactor including: at least one first architecture/microstructure including a ceramic and/or metal cellular architecture having a pore size of 2 to 80 ppi and a macroporosity of more than 85%, and a microstructure having a grain size of 100 nm to 5 microns, and skeleton densification of more than 95%, and a catalytic layer; and at least one second architecture/microstructure including a spherical or cylindrical architecture having a pore size of 0.1 to 100 μm and a macroporosity of less than 60%, and a microstructure having a grain size of 20 nm to 10 μm and a skeleton densification of 20% to 90%, and a catalytic layer; the first and second architecture/microstructure being stacked inside said reactor.09-27-2012
20100133472CO-PRODUCTION OF METHANOL AND AMMONIA - Process for the co-production of methanol and ammonia from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units, water gas shift and carbon dioxide removal steps.06-03-2010
20120068119FLUID TREATMENT METHOD, FLUID TREATMENT APPARATUS, AND FLUID - A fluid treatment method reduces a concentration of a first component included in a fluid-to-be-treated. A fluid treatment apparatus reduces a concentration of a first component included in a fluid-to-be-treated. A concentration of a second component differing from the first component is reduced in the fluid-to-be-treated in order to obtain a first fluid. The first fluid passes through at least part of an adsorption unit in order to obtain a second fluid. The adsorption unit is capable of adsorbing both the first component and the second component and has at least an ability to adsorb the first component that is temperature dependent. A third fluid pass through a portion of the adsorption unit through which the first fluid has passed. The third fluid has a concentration of the second component that is lower than in the fluid-to-be-treated and a temperature that is higher than the fluid-to-be-treated.03-22-2012
20120119150PROCESS AND APPARATUS FOR PREPARING ACETYLENE AND SYNTHESIS GAS - A process for preparing acetylene and synthesis gas by partial oxidation of hydrocarbons with oxygen, by first separately preheating the hydrocarbon gas and oxygen gas, and then reacting the gases and cooling the products rapidly. The reactor wall is blanketed with a purge gas stream, introduced through a plurality of feed lines. These feed lines deliver purge gas in a vector direction within a 10° angle of the main flow direction of the reactive gas stream. The purge gas is delivered at multiple stages relative to the main flow direction of the reactive gas stream, and the free cross section of the firing space available to the reactive gas stream, at the height of the feed lines of the purge gas stream, is approximately constant.05-17-2012
20120119149PROCESS AND APPARATUS FOR PREPARING ACETYLENE AND SYNTHESIS GAS - The present invention provides a process for preparing acetylene and synthesis gas by partial oxidation of hydrocarbons with oxygen, by first separately preheating the starting gases comprising a hydrocarbon-containing stream and an oxygen-containing stream and then mixing them in a mixing zone and, after they have flowed through the burner block, reacting them in the firing space and then cooling the products rapidly, wherein the surface on the firing space side of the burner block is covered with a purge gas stream and this purge gas stream is introduced through the burner block by means of several bores, where the averaged ratio of effective surface area of the burner block to number of these bores in the burner block for the purge gas stream is within a range from 5 to 100 cm05-17-2012
20090127511Method and Device for Providing a Gaseous Substance Mixture - A device and method for providing a gaseous substance mixture which includes at least one reducing agent and/or at least one reducing agent precursor, includes a reservoir for an aqueous solution which includes at least one reducing agent precursor that can be flow connected to an evaporator chamber, and a device for dosing the aqueous solution in the evaporator chamber. A device can heat the evaporator chamber to a temperature higher than or equal to a critical temperature, in which the aqueous solution is at least partially evaporated. The device and method enable reducing agent to be provided for selective catalytic reduction of nitrogen oxides in the exhaust of an internal combustion engine. Preferably, an evaporator unit is configured as the evaporator chamber and a hydrolysis catalytic converter is disposed outside the exhaust system. As a result, the size of the hydrolysis catalytic converter is reduced, allowing compact construction.05-21-2009
20110260112MEMBRANE LOOP PROCESS FOR SEPARATING CARBON DIOXIDE FOR USE IN GASEOUS FORM FROM FLUE GAS - The invention is a process involving membrane-based gas separation for separating and recovering carbon dioxide emissions from combustion processes in partially concentrated form, and then transporting the carbon dioxide and using or storing it in a confined manner without concentrating it to high purity. The process of the invention involves building up the concentration of carbon dioxide in a gas flow loop between the combustion step and a membrane separation step. A portion of the carbon dioxide-enriched gas can then be withdrawn from this loop and transported, without the need to liquefy the gas or otherwise create a high-purity stream, to a destination where it is used or confined, preferably in an environmentally benign manner.10-27-2011
20090179177HYDROGEN ODORANTS AND ODORANT SELECTION METHOD - The present invention provides a method for evaluating the properties of hydrogen to improve the safety of hydrogen fuel, and provides a method for selecting proper odorants for hydrogen. Odorized hydrogen containing suitable odorants in appropriate concentrations with hydrogen are also provided.07-16-2009
20120305847HEAT EXCHANGER AND METHOD OF OPERATING A HEAT EXCHANGER - A method of operating a heat exchange device downstream of a gasification reactor for the partial combustion of a carbonaceous feed for the production of synthetic gas. The produced synthetic gas flows through the heat exchange device with a flow velocity which is adjusted as a function of the composition and/or particle size of fouling components carried by the synthetic gas, in particular fly ash. A heat exchange device comprising a channel surrounding one or more heat exchange surfaces and having an adjustable flow-through capacity. The heat exchange surfaces can, e.g., be cylindrical and be coaxially nested, the inner heat exchange surface defining an inner channel with one or more closing members, which are moveable between a closing position and an opening position.12-06-2012
20100001236Method of producing trichlorosilane (TCS) rich product stably from a fluidized gas phase reactor (FBR) and the structure of the reactor - A fluidized bed reactor (FBR) for producing tri-chlorosilane (TCS) from metallurgical silicon (MGSI) and method of producing TCS stably with the FBR is disclosed. The FBR according to current application is comprised of 1) a straight lower bed section whose height over inner diameter ratio (H/D) is in the range of 3 to 6, 2) an expanded zone that has steep angle lower than 7 degree from the vertical line of the lower bed section, 3) a hemi-sphere top section on a flange for internal cooler, 4) a straight upper section of the reactor, 5) an internal cooler with flange, 6) a gas distribution plate, 7) a feed inlet line that has angle lower than 20 degree from the vertical line of the lower bed section, 8) a cyclone installed upper-outside of the FBR, 9) a recycle line from an outside cyclone that has angle lower than 20 degree from the vertical line of the lower bed section, 10) a seed bed hopper located vertically at the top of the hemi-sphere top section, 11) an outer cooling jacket surrounding the outside of the lower bed section, and 12) a feeder that controls feed rate of MGSI within ±5% accuracy.01-07-2010
20110155957SYSTEM FOR SYNTHESIS GAS PRODUCTION - With a system for synthesis gas production, having a reactor as well as a gas cooler/purifier connected with it in terms of flow, a solution is supposed to be created, with which the most compact possible connection between reactor, on the one hand, and the gas cooler or purifier, on the other hand, is made possible, whereby heat expansions that occur due to different temperatures are absorbed. This is accomplished in that the connection between reactor (06-30-2011
20100096594PROCESS FOR DECONTAMINATING SYNGAS - Disclosed herein is an apparatus and methods for decontaminating syngas generated in a fluidized-bed gasifier wherein metal contaminants, inter alia, alkali metals, halogens, particulates, and transition metals and sulfur containing contaminants are removed prior to the catalytic thermal cracking of tar and ammonia. Further disclosed is an apparatus and methods for removing ammonia from syngas.04-22-2010
20120313047METHOD AND APPARATUS FOR ENHANCED LIFETIME AND PERFORMANCE OF ION SOURCE IN AN ION IMPLANTATION SYSTEM - An ion implantation system and process, in which the performance and lifetime of the ion source of the ion implantation system are enhanced, by utilizing isotopically enriched dopant materials, or by utilizing dopant materials with supplemental gas(es) effective to provide such enhancement.12-13-2012
20100051872PROCESS FOR THE PURIFICATION OF COMBUSTION FUMES - A process for the removal of heavy metals from flue gas deriving from combustion processes comprising the following steps: a) optional removal by filtration of solid particles or of particulate of heavy metals or their compounds, having an average diameter higher than 10 micron; b) flue gas washing performed with an aqueous phase and transfer of the heavy metals or their compounds to the aqueous phase; c) flue gas cooling and partial condensation of the steam contained in the flue gas and separation of a condensed phase; d) discharge of the flue gases substantially free from heavy metals or their compounds into the environment; f) discharge of the aqueous phase substantially free from heavy metals or their compounds into the environment.03-04-2010
20090108237X-Ray-Induced Dissociation of H2O and Formation of an O2-H2 Alloy at High Pressure - A novel molecular alloy of O04-30-2009
20120313046METHOD OF CAPTURING ACID COMOUNDS THROUGH HYDRATE FORMATION WITH A DEMIXING STAGE - A method of capturing acid compounds contained in a gas, wherein the following stages are carried out: 12-13-2012
20120261619HYDROGEN ODORIZATION - A composition comprising: hydrogen; and an oxygenate odorant; wherein the oxygenate odorant has a vapor pressure of about 0.002 psi. or greater at 25° C. and having a smell detectable at less than 1 ppm by a human nose; wherein the oxygenate odorant includes one or more carbonyl groups; and wherein the oxygenate odorant consists only of carbon, hydrogen and oxygen. The oxygenate odorants may be cyclic or acyclic.10-18-2012
20110121237HYDROGEN ODORANTS AND ODORANT SELECTION METHOD - The present invention provides a method for evaluating the properties of hydrogen to improve the safety of hydrogen fuel, and provides a method for selecting proper odorants for hydrogen. Odorized hydrogen containing suitable odorants in appropriate concentrations with hydrogen are also provided.05-26-2011
20120298920METHOD FOR BIOMASS GASIFICATION IN A FLUIDIZED BED - With a method for the gasification of a biomass in a fluidized bed, wherein the biomass is first pre-dried and passed to the fluidized bed gasifier, subsequently the raw gas from the gasifier impacts a recirculation cyclone and subsequently at least one raw gas cooler, the yield of such a method of procedure is supposed to be improved and the system costs are supposed to be lowered.11-29-2012
20120298921METHOD AND SYSTEM FOR SUPPLYING THERMAL ENERGY TO A THERMAL PROCESSING SYSTEM FROM THE GASIFICATION OF DRY, CARBON-CONTAINING RAW MATERIALS, FOLLOWED BY OXIDATION, AND INSTALLATION FOR OPERATING THIS SYSTEM - The invention comprises a thermal power supply process for a treatment system for raw material. It also refers to a system operating this process and a facility operating said system. The process comprises steps of gasification of dry raw material containing carbon (MPCS) in a first reactor by a gaseous flow of gasification containing CO11-29-2012
20120326090PROCESS FOR REFORMING HYDROCARBONS - The invention relates to a process for the production of synthesis gas from a hydrocarbon feedstock, wherein the entire hydrocarbon feed is passed through a radiant furnace, heat exchanger reformer and autothermal reformer in a series arrangement, in which effluent gas from the autothermal reformer is used as heat source for the reforming reactions occurring in the heat exchange reformer and wherein a cooling medium is added to the heat exchange reformer.12-27-2012
20120280179Self-Regulating Gas Generator and Method - A self-regulating gas generator that, in response to gas demand, supplies and automatically adjusts the amount of gas (e.g., hydrogen or oxygen) catalytically generated in a chemical supply chamber from an appropriate chemical supply, such as a chemical solution, gas dissolved in liquid, or mixture. In some embodiments, the gas generator may employ a piston, rotating rod, or other element(s) to expose the chemical supply to the catalyst in controlled amounts. In another embodiment, the self-regulating gas generator uses bang-bang control, with the element(s) exposing a catalyst, contained within the chemical supply chamber, to the chemical supply in ON and OFF states according to a self-adjusting duty cycle, thereby generating and outputting the gas in an orientation-independent manner. The gas generator may be used to provide gas for various gas consuming devices, such as a fuel cell, torch, or oxygen respiratory devices.11-08-2012
20120280180Methods for Sulfate Removal in Liquid-Phase Catalytic Hydrothermal Gasification of Biomass - Processing of wet biomass feedstock by liquid-phase catalytic hydrothermal gasification must address catalyst fouling and poisoning. One solution can involve heating the wet biomass with a heating unit to a pre-treatment temperature sufficient for organic constituents in the feedstock to decompose, for precipitates of inorganic wastes to form, for preheating the wet feedstock in preparation for subsequent removal of soluble sulfate contaminants, or combinations thereof. Processing further includes reacting the soluble sulfate contaminants with cations present in the feedstock material to yield a sulfate-containing precipitate and separating the inorganic precipitates and/or the sulfate-containing precipitates out of the wet feedstock. Having removed much of the inorganic wastes and the sulfate contaminants that can cause poisoning and fouling, the wet biomass feedstock can be exposed to the heterogeneous catalyst for gasification.11-08-2012
20130015404FULLERENE/TITANIUM HYDRIDE GAS SOURCEAANM Bogatu; Ioan-NiculaeAACI San DiegoAAST CAAACO USAAGP Bogatu; Ioan-Niculae San Diego CA US - A solid mixture of fullerene and titanium hydride, a method of its formation, and a method of its use to rapidly produce a gaseous mixture of molecular hydrogen and fullerene on demand. The solid mixture may be resistively heated by discharge of a high power electrical current from a capacitor bank through the mixture to produce the mixture of hydrogen and fullerene within a few tens of microseconds. The resulting gaseous mixture of hydrogen and fullerene may be ionized and accelerated for the purpose of mitigating electromagnetic disruptions in a magnetically confined plasma.01-17-2013
20130168608METHOD FOR THE GENERATION OF SYNTHESIS GAS - With a method for the generation of synthesis gas by means of gasification of solid or liquid carbonaceous fuels with an oxidation agent containing oxygen, in a reactor, wherein the synthesis gas is passed out of the reactor overhead, and the mineral ash/slag droplets that occur during the reaction are passed out of the reactor downward, in the direction of gravity, it is supposed to be made possible to use a flue-tube boiler, which is clearly less expensive, for heat removal in place of radiant boilers. This is achieved in that the synthesis gas is passed over a hot-gas filter (07-04-2013
20130099164USE OF A PRESSURIZED CERAMIC HEAT EXCHANGER AS AN INTEGRAL PART OF A PLANT FOR CONVERTING SILICON TETRACHLORIDE TO TRICHLOROSILANE - The invention relates to the use of a ceramic heat exchanger as an integral part of a process for catalytic dehalogenation of silicon tetrachloride to trichlorosilane in the presence of hydrogen, wherein the product gas and the reactant gases are conducted as pressurized streams through the heat exchanger, and the heat exchanger comprises heat exchanger elements made from ceramic material.04-25-2013
20100025634METHOD OF TREATING A HYDROCARBON GAS STREAM HAVING A HIGH CARBON DIOXIDE CONCENTRATION BY USING A LEAN SOLVENT CONTAINING AQUEOUS AMMONIA - A process for the treatment of a high-pressure hydrocarbon gas stream to make a carbon dioxide-rich product stream and a treated hydrocarbon gas product stream by contacting within a contactor the high-pressure hydrocarbon gas stream with a solvent containing aqueous ammonia and, optionally, a reaction product of a liquid ammonia-carbon dioxide-water system. A fat solvent containing precipitated solids is withdrawn from the contactor and is regenerated whereby carbon dioxide is released and the fat solvent and a lean solvent is provided for reuse as the solvent.02-04-2010
20120273729Treatment of Asthma, Allergic Rhinitis and Improvement of Quality of Sleep by Temperature Controlled Laminar Airflow Treatment - This invention relates in general to methods and devices for displacing body convection and thereby reducing exposure to allergens and other airborne fine particles within a personal breathing zone during situations of or corresponding to sleep thereby reducing or removing symptoms of asthma and allergic rhinitis while improving quality of sleep and in particular to methods and devices that utilize Temperature controlled Laminar Airflow (abbreviated TLA from herein and onwards). Also, business methods involving such methods and devices are disclosed.11-01-2012
20120273728STEAM REFORMING OF HYDROCARBONACEOUS FUELS OVER A NI-ALUMINA SPINEL CATALYST - A process for steam reforming of a hydrocarbonaceous fuel includes the steps of: providing a reactant mixture comprising H11-01-2012
20130181168Portable Gas Generating Device - Methods and devices for generating gas from nitrous oxide are provided as well as downstream uses for the product gas. Reactor devices of the invention are compact and incorporate a novel heat-exchange/regenerative cooling system to optimize N07-18-2013
20110303874METHOD AND APPARATUS FOR THE PRODUCTION OF CHLOROSILANES - A method and respect material for the production of chlorosilanes (primarily: trichlorosilane) and the deposition of high purity poly-silicon from these chlorosilanes. The source for the chlorosilane production consists of eutectic or hypo-eutectic copper-silicon, the concentration range of said copper-silicon is between 10 and 16 wt % silicon. The eutectic or hypo-eutectic copper-silicon is cast in a shape suitable for a chlorination reactor, where it is exposed to a process gas, which consists, at least partially, of HCl. The gas reacts at the surface of the eutectic or hypo-eutectic copper-silicon and extracts silicon in the form of volatile chlorosilane. The depleted eutectic or hypoeutectic material might be afterwards recycled in such a way that the amount of extracted silicon is replenished and the material is re-cast into the material shape desired.12-15-2011
20120085973METHOD FOR PRODUCING PROCESS GAS FOR THE CLAUS PROCESS - With a method configured to generate process gas that contains hydrogen sulfide and sulfur dioxide for the Claus process, hydrogen-sulfide containing feed gas is burnt with pure oxygen by means of several burners opening out into a combustion chamber wherein the pure oxygen is fed into the combustion chamber through a central tube each, the feed gas through a tube arranged coaxially around the central tube and inert gas as purge gas via an annular duct coaxially surrounding the feed gas tube. A favorable option of the method consists in the use of CO04-12-2012

Patent applications in class GASEOUS COMPOSITIONS

Patent applications in all subclasses GASEOUS COMPOSITIONS