Entries |
Document | Title | Date |
20080271376 | FUEL REFORMER SYSTEM AND A METHOD FOR OPERATING THE SAME - A natural gas reformer system is provided. The natural gas reformer system includes a natural gas inlet configured to receive a natural gas slipstream. The natural gas reformer system also includes an air inlet configured to introduce a slip stream of air. The natural gas reformer system further includes a preconditioning zone configured to pretreat the natural gas slipstream. The natural gas reformer system also includes a mixing zone configured to mix the natural gas slipstream and the air in a rich proportion. The natural gas reformer system further includes a reaction zone configured to combust the natural gas and air to generate a syngas. The natural gas reformer system also includes a quench zone configured to mix the natural gas back into the syngas. | 11-06-2008 |
20080295404 | Odorant Mixture for Odorless Gas Fuel - Composition which can be used in particular as odorant for a gaseous fuel, more particularly natural gas, comprising:
| 12-04-2008 |
20080302012 | System for Separating a Waste Liquid from a Produced Gas and Injecting the Waste Liquid into a Well - Produced natural gas containing carbon dioxide is dehydrated and chilled to liquefy the carbon dioxide and then fractionated to produce a waste stream of liquid carbon dioxide and hydrogen sulfide. Natural gas liquids may be first separated and removed before fractionation. After fractionation, the waste stream is pressurized and transmitted to a remote injection well for injection either for disposal of the waste stream and preferably to urge hydrocarbons toward the producing well. A hydrocarbon stream proceeds from fractionation to a methanol absorber system which removes carbon dioxide gas. The hydrocarbon stream is thereafter separated into at least hydrocarbon gas, nitrogen and helium. Some of the nitrogen is reintroduced into a fractionation tower to enhance the recovery of hydrocarbons. A methanol recovery system is provided to recover and reuse the methanol. The hydrocarbons are sold as natural gas and the helium is recovered and sold. Excess nitrogen is vented. | 12-11-2008 |
20080307706 | System for Separating Carbon Dioxide and Hydrocarbon Gas from a Produced Gas Combined with Nitrogen - Produced natural gas containing carbon dioxide is dehydrated and chilled to liquefy the carbon dioxide and then fractionated to produce a waste stream of liquid carbon dioxide and hydrogen sulfide. Natural gas liquids may be first separated and removed before fractionation. After fractionation, the waste stream is pressurized and transmitted to a remote injection well for injection either for disposal of the waste stream and preferably to urge hydrocarbons toward the producing well. A hydrocarbon stream proceeds from fractionation to a methanol absorber system which removes carbon dioxide gas. The hydrocarbon stream is thereafter separated into at least hydrocarbon gas, nitrogen and helium. Some of the nitrogen is reintroduced into a fractionation tower to enhance the recovery of hydrocarbons. A methanol recovery system is provided to recover and reuse the methanol. The hydrocarbons are sold as natural gas and the helium is recovered and sold. Excess nitrogen is vented. | 12-18-2008 |
20090064585 | ODORISATION OF FUEL GAS WITH LOW-SULFUR ODORANTS - The use is described of a mixture containing
| 03-12-2009 |
20090071073 | Method for removing mercury from natural gas - A method and apparatus for separating mercury and other undesired constituents from a natural gas stream includes passing the raw gas stream sequentially through a first separator, an amine treatment unit, a cooler, a second separator, a dehydrator, a cooler and a third separator. The first separator receives the natural gas stream and separates hydrocarbon and water condensates from the stream; the amine treatment unit removes acid gases; the cooler reduces the temperature of the gas stream to condense additional hydrocarbons and water that are removed by the second separator; and the dehydrator removes water vapor. Next, the temperature of the stream is reduced by the second cooler to condense the mercury and any remaining hydrocarbon vapors. The third separator includes a vessel having a gas inlet and outlet for discharging processed gas, a deflector disposed proximate the inlet for deflecting mercury and other condensates in the gas stream and a mercury trap disposed at the bottom of the vessel to collect the mercury. | 03-19-2009 |
20090126273 | PROCESS FOR HUMIDIFYING SYNTHESIS GAS - Disclosed is a process for humidifying syngas to achieve a water to carbon monoxide molar ratio in the product syngas within a desired range and in which the molar ratio which can be varied over time in response to changes in downstream syngas requirements. The raw syngas is produced by reacting a carbonaceous material with oxygen, water, or carbon dioxide and can be combined with a diluent to produce a diluted syngas stream which can be cooled and contacted with liquid water to give a humidified syngas. The H | 05-21-2009 |
20090217582 | Processes for Making Adsorbents and Processes for Removing Contaminants from Fluids Using Them - The present invention provides carbon-containing adsorbent materials as well as processes for making them and processes for using them to remove contaminants from fluids. One embodiment of the invention is a process for removing a contaminant from a fluid, the process comprising: (a) providing an activated carbon material made using a process comprising (1) providing a particulate petroleum coke feedstock; (2) reacting the petroleum coke feedstock in a gasifying reactor in the presence of steam and an alkali metal gasification catalyst under suitable temperature and pressure to form a plurality of gaseous products comprising methane and at least one or more of hydrogen, carbon monoxide, carbon dioxide, hydrogen sulfide, ammonia and other higher hydrocarbons, and a petroleum coke char residue comprising an alkali metal gasification catalyst residue; and (3) substantially extracting the alkali metal gasification catalyst residue from the petroleum coke char residue to form the carbon-containing adsorbent material; and (b) contacting the fluid with the carbon-containing adsorbent material to form a contaminated carbon-containing adsorbent material and a purified fluid. | 09-03-2009 |
20090300987 | MIXTURE TO ADD ODOUR TO AN ODOURLESS COMBUSTIBLE GAS - Mixture to be employed specifically as an agent for adding an odour to a gaseous combustible fuel such as natural gas, consisting of: at least one alkyl acrylate (I) of which the alkyl radicals contain from one to 12 carbon atoms; at least on compound of formula (II) in a quantity sufficient to inhibit the polymerization of the alkyl acrylate or acrylates (I) in the presence and/or absence of oxygen. | 12-10-2009 |
20090313895 | PROCESS FOR OBTAINING A HYDROCARBON-ENRICHED FRACTION FROM A GASEOUS FEEDSTOCK COMPRISING A HYDROCARBON FRACTION AND CARBON DIOXIDE - The present invention provides a process for obtaining a hydrocarbon-enriched fraction from a gaseous feedstock comprising a hydrocarbon fraction and carbon dioxide, which process comprises the steps of: providing a membrane having a retentate side and a permeate side; and contacting the feedstock with the retentate side of the membrane, obtaining a hydrocarbon-enriched fraction at the permeate side of the membrane, wherein the membrane is an organic modified meso-porous membrane. | 12-24-2009 |
20100000153 | REMOTE MICRO-SCALE GTL PRODUCTS FOR USES IN OIL- AND GAS-FIELD AND PIPELINE APPLICATIONS - A method of operating one or more production facilities located at a remote natural gas source is provided including providing one or more micro-scale GTL systems to the remote NG source; supplying natural gas feedstock from the remote source to the micro-scale GTL systems; operating the micro-scale GTL systems to produce a product stream; and utilizing the product stream in the production facilities located at the remote natural gas source. Also provided is a method of operating one or more production facilities located at a remote NG source that includes supplying a product stream to a central processing unit within the remote location to produce a fuel or chemical product. | 01-07-2010 |
20100000154 | METHOD FOR SEPARATING SULPHUR OUT OF A GAS THAT CONTAINS SULPHUR - A method is described for separating sulphur out of a sulphur-containing gas, particularly hydrogen or natural gas, wherein the gas is compressed and the sulphur is removed in an absorptive separation process. According to the invention, the sulphur-containing gas is compressed, or at least precompressed before being passed into the absorptive separation process. | 01-07-2010 |
20100005721 | PROCESS FOR THE REMOVAL OF ACIDIC CONTAMINANTS FROM A NATURAL GAS STREAM - Acidic contaminants are removed from a natural gas stream comprising hydrocarbons and acidic contaminants in a process comprising the steps of:
| 01-14-2010 |
20100011663 | Method for Liquefaction of Natural Gas - A method of altering the heating value of a liquefied natural gas by adding higher heating value components is disclosed. A portion of the liquefied natural gas is used to cool the higher heating value component stream prior to combining the higher heating value components with the liquefied natural gas to obtain a combined stream having a heating value greater than the liquefied natural gas. | 01-21-2010 |
20100050518 | Fuel gas conditioning system with scissor baffles - A feed gas conditioner. | 03-04-2010 |
20100115839 | Multiple Fixed-Fluidized Beds for Contaminant Removal - The present disclosure relates generally to contaminant removal from gas streams. In certain embodiments, the present disclosure relates to a process for removing one or more contaminants from a gas stream via contact with a regenerable sorbent at high temperature and pressure, utilizing a unique arrangement of reactors operating in parallel. | 05-13-2010 |
20100242362 | TREATING A CRUDE AND NATURAL GAS STREAM - A process for treating a crude and natural gas stream, which at least comprises the steps of: (a) passing a crude and natural gas stream ( | 09-30-2010 |
20100281775 | System for dehydrating natural gas - An apparatus and process for dehydrating a wet natural gas while removing volatile organic compounds (VOC). The well-produced natural gas is contacted with a dehydrating agent, such as glycol, which absorbs water from the natural gas. The mixture of dehydrating agent/water and heavy hydrocarbons is conveyed through a heat exchanger, separator and reboiler for removing VOC and recovering the dehydrating agent for recirculation. A stripping column is coupled to an outlet of the reboiler for stripping the dehydrating agent of any traces of water that is flashed out in the reboiler. Light hydrocarbons removed from the mixture are re-circulated as flash gas in the reboiler, thereby reducing the amount of make-up fuel necessary in the heating process. | 11-11-2010 |
20110120011 | METHOD OF CONTINUOUSLY CONDITIONING GAS, PREFERABLY NATURAL GAS - Before being fed into a pipe, particularly a network of pipes for the supply of consumers, gas, preferably natural gas, is continuously conditioned. The pressurized gas is removed from a reservoir, expanded, and heated to a predefined temperature before or after the expansion thereof in that a branched-off partial flow of the fed-out natural gas is mixed with oxygen and the resulting burnable gas is catalytically burned. The fed-out gas is heated with the thermal energy that is produced. For this purpose, a partial exhaust gas flow is branched off from a hot exhaust gas flow released during the catalytic combustion and conducted into a first container together with the cold burnable gas. The burnable gas is mixed with the supplied exhaust gas flow in the first container and is heated, and the mixture composed of the exhaust gas and burnable gas preheated in this way is conducted away from the first container into a second container, where it is subjected to the catalytic combustion, the heat of which is used to heat the fed-out gas to be conditioned to the respectively desired temperature. | 05-26-2011 |
20120167465 | Self-Optimizing Odorant Injection System - A method for injecting a chemical, such as an odorant, from a chemical supply into a fluid-containing system such as a natural gas or an LPG pipeline. A tank of odorant is maintained at a pressure above ambient, but below pipeline pressure. An injection conduit communicates the odorant tank with the pipeline. A hydraulic pressure booster is located in the injection conduit for pressurizing the chemical to a pressure above that of the pipeline. Flow-control apparatus located within the injection conduit for metering chemical to be injected into the pipeline is either (a) drip-style metering valve adjustable between a drop-wise setting and a steady-flow setting or (b) a pair of valves one of which is a flow valve allowing larger volumes to be injected and the other which is a drop-wise flow valve for metering smaller volumes of the chemical. | 07-05-2012 |
20120180389 | MULTI-STAGE ADSORPTION SYSTEM FOR GAS MIXTURE SPARATION - Methane product gas is produced from landfill gas and gob gas either by a three-stage process of PSA-TSA-PSA or PSA-PSA-PSA, or a two-stage process of PSA-PSA. | 07-19-2012 |
20120233920 | Separation of Light Hydrocarbons and Sour Species From a Sour Gas - The invention provides a process for recovering a light hydrocarbon, such as ethane, from a sour hydrocarbon gas. The process involves mixing the sour hydrocarbon gas with an azeotrope inhibitor and then passing the mixture into a first distillation column. The first distillation column is operated under a set of temperature and pressure conditions in which the light hydrocarbon is substantially separated from the mixture as an overhead vapour product. The sour species in the mixture can be recovered by passing the bottoms liquid product into a second distillation column under a second set of temperature and pressure conditions in which the sour species is separated as a second overhead vapour product. | 09-20-2012 |
20120304538 | CONFIGURATION OF CONTACTING ZONES IN VAPOR-LIQUID CONTACTING APPARATUSES - Vapor-liquid contacting apparatuses comprising a primary contacting zone and a secondary contacting zone are disclosed. A representative secondary contacting zone is a secondary absorption zone, such as a finishing zone for subsequent contacting of the vapor effluent from the primary contacting zone to further remove impurities and achieve a desired purity of purified gas exiting the secondary absorption zone. The secondary contacting zone is disposed below the primary contacting zone, such that the secondary contacting zone, which must operate efficiently in removing generally trace amounts of remaining impurities, is more protected from movement than the more elevated, primary or initial contacting stages for bulk impurity removal. The apparatuses are therefore especially beneficial in offshore applications where they are subjected to rocking. | 12-06-2012 |
20130081328 | PROCESS FOR PROVIDING A LOW-CARBON FUEL FOR REFINING OPERATIONS - An integrated process provides a low-carbon fuel gas for use in refinery equipment such as heaters and boilers. The process utilizes a hydrogen separation membrane to separate a refinery fuel gas into a first hydrogen-enriched stream and a hydrogen-depleted stream containing methane. The hydrogen-depleted stream is subjected to reforming and water gas shift, and the resulting shifted gas mixture containing hydrogen and carbon dioxide is subjected to separation into a second hydrogen-enriched stream and a carbon dioxide stream. The first and second hydrogen-enriched streams are combined and utilized as low-carbon fuel gas containing at least about 50 mol % hydrogen. Sweep gas is provided across the permeate side of the hydrogen separation membrane to improve the performance of the membrane unit. The sweep gas can be taken from the exhaust of the refinery equipment, from an air separation unit and/or from a carbon dioxide-depleted stream generated in the reforming process. | 04-04-2013 |
20130239480 | WATER INTAKE RISER ASSEMBLY FOR AN OFF-SHORE STRUCTURE, AND METHOD OF PRODUCING A LIQUEFIED HYDROCARBON STREAM AND METHOD OF PRODUCING A VAPOROUS HYDROCARBON STREAM - A water intake assembly ( | 09-19-2013 |
20130247466 | Method for Gasifying Gas Hydrate and Device Thereof - Provided are a method and a device for efficiently decomposing gas hydrate pellets and extracting gas. That is, provided is a method for decomposing gas hydrate characterized by supplying gas hydrate pellets to a decomposition vessel, damming and gathering densely the pellets on a downstream side in the decomposition vessel, and passing hot water through this pellet layer which is in a densely gathered state, to thereby decompose the pellets into water and gas. | 09-26-2013 |
20130326951 | CHEMICALLY-MODIFIED MIXED FUELS, METHODS OF PRODUCTION AND USES THEREOF - A chemically-modified mixed fuel includes methane gas from at least two methane-production sources and can be utilized in any process that incorporates a Kellogg Primary Reformer. A method for producing the chemically-modified mixed fuel described herein includes providing a first methane-containing gas from a first methane-production source, providing a second methane-containing gas from a second methane-production source and blending the first methane-containing gas with the second methane-containing gas at a suitable pressure to form a chemically-modified mixed fuel. In some cases, at least one additional methane-containing gas can be provided from at least one additional methane-production source and blended with the chemically-modified fuel. | 12-12-2013 |
20140366446 | METHODS AND SYSTEMS FOR GAS SEPARATION - Systems and methods for gas separation are disclosed. In one exemplary embodiment, a method for gas separation includes the steps of contacting a feed gas stream that includes a product gas and an impurity gas with a liquid-phase absorption solvent and absorbing the impurity gas and a portion of the product gas of the feed gas stream into the liquid-phase absorption solvent. The exemplary method further includes the steps of subjecting the liquid-phase absorption solvent to a first reduced pressure environment to remove the portion of the product gas and a portion of the impurity gas from the liquid-phase absorption solvent and separating the portion of the product gas from the portion of the impurity gas. | 12-18-2014 |
20150027055 | SEPARATION OF HYDROGEN SULFIDE FROM NATURAL GAS - A process for increasing the selectivity of an alkanolamine absorption process for selectively removing hydrogen sulfide (H | 01-29-2015 |
20150376092 | RECOVERING H2 AND C2+ FROM FUEL GAS VIA USE OF A SINGLE-STAGE PSA AND SENDING PSA TAIL GAS TO GAS RECOVERY UNIT TO IMPROVE STEAM CRACKER FEED QUALITY - The invention provides a process for treating a gas stream comprising hydrogen, methane and C | 12-31-2015 |
20160068777 | GAS TURBINE FUEL BLENDING USING INFERRED FUEL COMPOSITIONS - A system, method, and computer-readable medium for blending a fuel for use in a gas turbine are disclosed. A measurement of a heating value of a process gas and a measurement of a molecular weight of the process gas is obtained. An estimate of a composition of the process gas is obtained using the obtained measurement of the heating value and the obtained measurement of the molecular weight. A blending ratio of the process gas and a natural gas is selected based on the estimate of the composition of the process gas. The process gas and the natural gas are then blended according to the selected blending ratio to obtain a fuel mixture for use in the gas turbine. | 03-10-2016 |
20160097011 | HOUSING FOR A GAS PROCESSING APPARATUS - The present invention provides a housing for a gas processing apparatus formed by a plurality of walls joined together to form a box-like structure defining a chamber therein. The chamber is configured to retain a pair or more of gas processing pressure vessels in a vertically stacked configuration. The housing has a width less the United States Department of Transportation Federal Highway Administration maximum width for a commercial vehicle to allow transportation of the housing without the need for an oversized load shipping permit. The floor width inside the chamber less than a width for said pair of pressure vessels if said vessels were in a side-by-side configuration. | 04-07-2016 |
20160194666 | Process for Production of Biogas | 07-07-2016 |