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WO/2005/032693A2 |
The disclosed invention relates to a process for separating methane or nitrogen from a fluid mixture comprising methane and nitrogen, the process comprising: (A) flowing the fluid mixture into a microchannel separator, the microchannel s...
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WO/2005/033250A2 |
A gasification method is used for gasifying a raw material such as biomass to produce a combustible gas at high efficiency and low cost. In the gasification method, a raw material is pretreated in a pretreating process, and the pretreate...
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WO/2005/023965A1 |
The present invention relates to a fuel additive comprising 80 to 99.5 % by volume of hydrocarbons boiling at 45 to 405° C, 10-4 to 2 % by weight of acidic meta-, pyro or ortho phosphate in the form of an acidic alkali salt, 0.1 to 5.5 ...
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WO/2005/005605A2 |
A system for removing H2S from methane (CH4) which includes providing at least one biofilter cartridge (10) that functions to sustain microbial activity which will function to consume H2S contained in a stream of methane gas (19). A stre...
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WO/2005/005567A1 |
A method for inhibiting the formation of gas hydrates in a petroleum fluid having hydrate-forming constituents is claimed. More specifically, the method can be used to treat a petroleum fluid, such as natural gas conveyed in a pipe, to i...
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WO/2004/113223A1 |
A hydrogen gas generator in the form of a reformer is used to produce a reformate gas containing hydrogen and at least one other component for use as a fuel or part of a fuel for a compression engine. The hydrogen containing gas blend or...
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WO/2004/111161A1 |
The present invention relates to a method for inhibiting the formation and/or agglomeration of gas clathrate hydrates comprising adding into a fluid comprising hydrate forming constituents, an effective amount of a gas hydrate inhibitor ...
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WO/2004/108865A2 |
The method comprises the following steps:(a) introduction of the feed natural gas (101) into a first distillation column (31) which gives a pre-treated natural gas (111) as top product, said pre-treated natural gas (111) being practicall...
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WO/2004/106472A1 |
A process and apparatus for producing a gas at a pre-set delivery pressure is described. Using the process, hydrates and a liquid are introduced to a vessel to at least partially fill the vessel. The liquid must have a freezing point low...
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WO/2004/105919A1 |
The invention relates to a method for removing acid gas from pressurized natural gas that is contaminated with sulfur compounds. According to said method, - the natural gas (1) that is to be desulfurized is first directed into an acid ga...
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WO/2004/104141A2 |
A fuel additive composition comprising hydrogen peroxide, an amine-based stabilizer, borax, and sodium hydroxide is disclosed. The composition is added to such fuel as coal, oil, and gas to facilitate combustion and remove impurities in ...
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WO/2004/099351A1 |
The invention relates to a method for the removal of organosulphur compounds from fuel gas streams in that the gas stream is brought into contact with an adsorbent, and wherein the adsorbent is a support material on which metal salts hav...
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WO/2004/087843A1 |
The invention is directed to compositions comprising mixtures of natural gas and dimethyl ether suitable for use as fuel compositions, and particularly to blends of dimethyl ether and a natural gas derived from LNG produced in an LNG pro...
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WO/2004/085037A1 |
A system for drying gas, for example removing moisture (water) from natural gas in connection with the extraction of oil and gas, comprising a drying unit for drying the gas by means of a drying liquid that is mixed with the gas and a re...
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WO/2004/085036A2 |
The invention relates to a method for the selective removal of hydrogen sulphide, organic sulphur constituents and CO2 from crude gas, using a first and a second absorption stage (41 and 49) for separating essentially pure C02. The aim o...
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WO/2004/080588A1 |
A desulfurizing agent, characterized in that it is represented by the general formula: ZnFe2O4/SiO2/a molybdenum compound (MoS2 and/or MoO3), or ZnFe2O4/SiO2/a molybdenum compound (MoS2 and/or MoO3)/a titanium compound(TiO2); a method fo...
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WO/2004/076600A1 |
A synthesis gas containing carbon monoxide and hydrogen is produced from a carbon-containing material such as natural gas, at least one kind selected from the group consisting of H2O, O2 and CO2, and a recycled low boiling-point componen...
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WO/2004/076063A1 |
A catalyst for the production of a liquefied petroleum gas which comprises a methanol synthesis catalyst ingredient and a zeolite catalyst ingredient. Carbon monoxide is reacted with hydrogen in the presence of the catalyst to produce a ...
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WO/2004/074410A1 |
A method for producing a liquefied petroleum gas is disclosed which comprises a step wherein methanol and/or dimethyl ether is produced from a synthesis gas containing hydrogen and carbon monoxide in the presence of a catalyst; a step wh...
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WO/2004/074411A1 |
A liquefied petroleum gas mainly containing propane or butane is produced by passing a material gas containing at least one of methanol and dimethyl ether and hydrogen through a catalyst layer. The catalyst layer comprises, in an earlier...
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WO/2004/072541A2 |
A method is used to increase the energy content of a pipeline and other vessels that are designed to carry natural gas under ambient conditions, in a compressed state or in a liquefied state. Methane and other gas are used as the feedsto...
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WO/2004/071624A1 |
Disclosed is an absorbing agent for eliminating acid gases from fluids. Said absorbing agent comprises a) at least one tertiary alkanolamine, and b) an amine selected among hydroxyethylpiperazine, bis(hydroxyethylpiperazine), or a mixtur...
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WO/2004/070297A1 |
A process for removing contaminants from a natural gas feed stream including water and sour species, which process comprises the steps of cooling the natural gas feed stream in a first vessel (12) to a first operating temperature at whic...
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WO/2004/069367A2 |
A filter assembly including a filter head and two filter elements operably connected in parallel to the filter head for filtering fluid such as natural gas and other fuel gases. The filter assembly includes a filtering material for remov...
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WO/2004/063311A1 |
The invention relates to the fuel-producing industry, more specifically to the oil and gas industry and can be used for artificially forming a hydrocarbon fuel in bottom sediments. The aim of said invention is to provide the humanity wit...
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WO/2004/063314A1 |
A steady-state method for producing gas hydrates provides seed gas hydrate particles in a reaction chamber, flows a hydrate-forming gas into the reaction chamber and flows water into the reaction chamber to produce several possible react...
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WO/2004/058927A1 |
A method for removing a sulfur compound in a hydrocarbon-containing gas by feeding the gas to a desulfurizing layer, characterized in that the desulfurizing layer comprises a desulfurizing agent (A) comprising a zeolite and a desulfurizi...
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WO/2004/056949A1 |
The invention relates to a method for removing sulfur compounds from gases containing hydrocarbons by using catalysts, apart from activated carbon and zeolites, which contain carbon, silver, zinc, molybdenum, iron, cobalt, nickel or mixt...
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WO/2004/055135A1 |
A process for the catalytic selective oxidation of sulphur compounds in a hydrocarbonaceous feedstock to sulphur dioxide, wherein a gaseous feed mixture of the hydrocarbonaceous feedstock and a molecular-oxygen containing gas is contacte...
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WO/2004/052812A1 |
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 compoun...
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WO/2004/050549A1 |
A hydrocarbon gas such as methane and LPG is desulfurized in the presence of oxygen and an oxidation catalyst to convert sulfur compounds in the gas to sulfur oxides. The sulfur oxides are then trapped downstream of the oxidation by an a...
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WO/2004/048642A1 |
A method for removing an acidic gas from a raw gas containing the acid gas by contacting the raw gas with an aqueous alkanol amine solution, characterized in that a composition comprising an organopolysiloxane containing a polyoxyalkylen...
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WO/2004/047955A1 |
The invention concerns a process for the removal of hydrogen sulphide, mercaptans and optionally carbon dioxide and carbonyl sulphide from a gas stream comprising hydrogen sulphide, mercaptans and optionally carbon dioxide and carbonyl s...
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WO/2004/045745A1 |
A high purity stream of methane can be obtained from crude natural gas, especially exhaust gas from waste landfills, by a process that includes first removing moisture (4), then feeding the dried crude gas mixture to a gas-liquid contact...
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WO/2004/043938A1 |
1,3,5 (2H2,4H2,6H2) tripropanediamine N,N,N',N',N',N' hexamethyl is used to scavenge sulfur compounds from hydrocarbons. A novel method of making the triazine comprises autocondensing (CH3)2N CHCH2CH 2N=CH2.
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WO/2004/044102A1 |
A slurry production and storage system utilizing waste heat, characterized in that it comprises a reactor (102) in a subcritical water for forming a solid waste slurry fuel (110) from a solid waste (109), an internal combustion engine (1...
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WO/2004/041973A1 |
A system for injecting a chemical odorant from a tank (11) into a fluid containing system, such as a natural gas pipeline (17), wherein the tank (11) of odorant is maintained under a positive pressure which exceeds that of the pipeline (...
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WO/2004/041416A1 |
A pretreatment system (400) for natural gas liquefaction employing heat integration (422, 426) for more efficient and effective natural gas temperature control. The pretreatment system (400) expands (412) the natural gas prior to acid ga...
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WO/2004/041976A1 |
The invention relates to a method for increasing the efficiency of natural gas, especially pressurised natural gas which is used as an energy carrier for all types of vehicles, aeroplanes, boats and machine tools. According to the invent...
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WO/2004/039926A1 |
The invention concerns a process for the removal of sulphur compounds from a hydrocarbon stream, especially a gaseous hydrocarbon gas stream, comprising said sulphur compounds, which process comprises contacting said gas stream with an a...
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WO/2004/039918A2 |
Disclosed is a method of producing hydrocarbons from oxygenated hydrocarbon reactants, such as glycerol, glucose, or sorbitol. The method can take place in the vapor phase or in the condensed liquid phase (preferably in the condensed liq...
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WO/2004/031669A1 |
A reduced carbon dioxide emission system and method for providing power for refrigerant compression and shared electrical power for a light hydrocarbon gas liquefaction process.
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WO/2004/031668A1 |
A system and method for the production of liquified light hydrocarbon gases by a system and a process that produces a liquified gas product more efficiently and with reduced emissions of carbon dioxide (CO2) to the atmosphere.
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WO/2004/031667A2 |
A reduced carbon dioxide emissions system and method for providing power for refrigerant compression and shared electrical power for a light hydrocarbon gas liquefaction process.
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WO/2004/031670A1 |
Disclosed are methods for efficiently and economically designing, constructing, or operating a light hydrocarbon gas liquefaction process for the liquefaction of selected quantities of light hydrocarbon gas. The method includes a light h...
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WO/2004/026441A1 |
A plant includes an absorber (105) that receives a feed gas (10) at a pressure of at least 400 psig and comprising at least 5 mol% carbon dioxide, wherein the absorber (105) is operated at an isothermal or decreasing top -to-bottom therm...
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WO/2004/024853A1 |
The invention relates to mixtures containing acrylic acid alkyl esters and/or methacrylic acid alkyl esters and alkoxy pyrazines, to their use for odorisation, to an odorisation method and to a gas containing methane that contains said m...
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WO/2004/024854A1 |
A process for producing a gas clathrate which comprises a mixing/dissolving step in which a feedstock solution and a feedstock gas are mixed on the line so as to dissolve the feedstock gas in the feedstock solution and a formation step i...
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WO/2004/024852A1 |
The invention relates to acrylic acid alkyl esters containing a low proportion of compounds containing sulphur and to their use for the odorisation of liquid gas. The invention also relates to a method for the odorisation of liquid gas a...
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WO/2004/024847A1 |
The present invention relates to a method and apparatus for converting the mixture of water and ethanol into fuel. The method comprises mixing water with ethanol in a ratio of 4:1-1:1 of water to ethanol by weight heating and evaporating...
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