Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 651 - 700 out of 3,710

Document Document Title
WO/2008/120770
A process for producing a natural gas hydrate of relatively coarse particles through reaction of a raw gas, such as methane, with a raw water; and an apparatus therefor. There is provided a method of efficiently growing the minute partic...  
WO/2008/120697
Odorizing apparatus (1) for odorizing natural gas (8) produced by reaction of NGH (4) with hot water (7a). The odorizing apparatus includes a flow rate control valve (12) disposed on a bypass pipe line (11) connected to a gas pipe line (...  
WO/2008/115079
A process and apparatus for treating a biogas stream. The treatment is both to increase methane content and reduce H2S content, said process comprising at least, (i) taking a biogas stream having both a methane and carbon dioxide content...  
WO/2008/114429
A method and a device for transporting NGH under high pressure to a place under normal pressure. In the method for transporting natural gas hydrate (hereafter, referred to as NGH) manufactured by reacting water with a natural gas under h...  
WO/2008/114794
A method for regasifying gas hydrate in which dew condensation does not occur on the piping or instrument even if the outer air temperature drops in winter season, and no trouble occurs even if there is no heat source for thermally decom...  
WO/2008/111130
This invention provides a method and apparatus for transferring natural gas hydrate (NGH) that can efficiently gasify NGH pellets to generate high-pressure gas. The method for transferring NGH is a method for pressure transfer of NGH com...  
WO/2008/111174
A method by which a gas hydrate is produced at a low cost. An acid gas (3) is removed from a natural gas (1) and the accompanying water is removed (5). Thereafter, part of a heavy ingredient (7) which does not form a gas hydrate (10) is ...  
WO/2008/110331
The invention relates to catalysts for the methanation of carbon monoxide, which comprise metal-doped nickel oxide of the composition (in mol%) (M1)a (M2)b Nic Ox where a = 0.1 to 5 mol%, b = 3 to 20 mol% and c = 100 - (a +b) mol% and M1...  
WO/2008/109129
A method comprising contacting a carbon and hydrogen-containing solid fuel and a metal-based catalyst in the presence of oxygen to produce hydrogen gas and carbon monoxide gas, wherein the contacting occurs at a temperature sufficiently ...  
WO/2008/109129
A method comprising contacting a carbon and hydrogen-containing solid fuel and a metal-based catalyst in the presence of oxygen to produce hydrogen gas and carbon monoxide gas, wherein the contacting occurs at a temperature sufficiently ...  
WO/2008/108259
Provided are a mixed gas supply apparatus suitable for stabilizing the calorie of a fuel gas such as a city gas, and its composition fluctuation adjusting method. Two packed towers are packed with a common adsorbent. A line extension (S1...  
WO/2008/102427
Pellet damaging is prevented at the time of pellet charging into a storage tank. There is provided a method of storing a gas hydrate in which pellets obtained by compression molding of powdery gas hydrate are conveyed into a storage tank...  
WO/2008/099002
A method for reducing one or more additives in a gaseous hydrocarbon stream (40) such as natural gas, comprising the steps of: (a) admixing an initial hydrocarbon feed stream (10) with one or more additives (20) to provide a multiphase h...  
WO/2008/095661
The invention relates to an additive for liquefied gas fuels. The additive according to the invention is characterized by a content of a) 1 to 20% by weight of a nitrogenous solvent or dispersant, b) 50 to 90% by weight of at least one l...  
WO/2008/095258
The present invention relates to a process and apparatus for depleting carbon dioxide content in a natural gas feedstream containing ethane and C3+ hydrocarbons to an amount at or near sales gas specification and separating the C3+ hydro...  
WO/2008/097304
A process raw biogas created from a renewable source into pipeline grade natural gas and/or D.O.T. spec, gas is provided. The automated scrubbing processed employed and the particular attributes of the system allow the system to function...  
WO/2008/092603
The invention relates to a method for extracting liquid methane from crude gas, in particular biogas, containing methane and carbon dioxide, and to a plant suitable for carrying out the method. The invention aims at devising a method for...  
WO/2008/090467
A method for producing a hydrogen enriched fuel includes the steps of providing a flow of methane gas, and providing a catalyst (56). The method also includes the steps of heating the catalyst (56) instead of the reactor walls and the me...  
WO/2008/090466
A method for producing a hydrogen enriched fuel includes the steps of providing a flow of methane gas at a selected flow rate, providing a catalyst (56), producing a methane plasma at a negative pressure using microwave irradiation at a ...  
WO/2008/090466
A method for producing a hydrogen enriched fuel includes the steps of providing a flow of methane gas at a selected flow rate, providing a catalyst (56), producing a methane plasma at a negative pressure using microwave irradiation at a ...  
WO/2008/090467
A method for producing a hydrogen enriched fuel includes the steps of providing a flow of methane gas, and providing a catalyst (56). The method also includes the steps of heating the catalyst (56) instead of the reactor walls and the me...  
WO/2008/090467
A method for producing a hydrogen enriched fuel includes the steps of providing a flow of methane gas, and providing a catalyst (56). The method also includes the steps of heating the catalyst (56) instead of the reactor walls and the me...  
WO/2008/089262
A method for dissolving a gas-hydrate agglomerate, comprising introducing a push pill to the gas-hydrate agglomerate, the push pill comprising a hydrate inhibitor; and a viscosifying agent wherein when said viscosifier is exposed to free...  
WO/2008/072254
The present invention relates to a hydrocarbon fuel composition comprising (i) at least 99% by weight of a base gas; and (ii) additives comprising (a) 2 to 50 ppm organometallic compound; and (b) 100 to 5000 ppm aniline or substituted an...  
WO/2008/071008
A method to pre-heat gas at gas Pressure Reducing Stations. A first step involve providing at least one electrical line heater having a flow path for passage of natural gas through electrical heating elements. A second step involves pass...  
WO/2008/072254
The present invention relates to a hydrocarbon fuel composition comprising (i) at least 99% by weight of a base gas; and (ii) additives comprising (a) 2 to 50 ppm organometallic compound; and (b) 100 to 5000 ppm aniline or substituted an...  
WO/2008/064208
Methods and systems for increasing the generation of methane from a biomass are disclosed. In some embodiments, the method includes the following: decomposing a biomass to produce an gaseous effluent including methane; decomposing a port...  
WO/2008/057050
A feedstock material containing some carbon is first subjected to conversion to yield a gas phase blend, further subjecting blend to ultraviolet irradiation having a wavelength of in the range of between 10 to 400nm to produce a hydrocar...  
WO/2008/054230
It is disclosed a process for producing methane and oxygen through the combustion of organic material, in said combustion there being formed carbon dioxide and carbon monoxide. The reaction is performed in a catalytic gas reactor in the ...  
WO/2008/053680
An inflammable gas concentration device includes: an adsorption tower (2) filled by an adsorbent (3) which adsorbs an inflammable gas; supply means (4) for supplying a raw gas (G) containing an inflammable gas and air to the adsorption t...  
WO/2008/053681
A flammable gas concentration system is provided with a concentrating means (10), which takes at least a part of a product gas (PG), concentrates a flammable gas included in the taken product gas (PG) and generates a high concentration g...  
WO/2008/049827
The invention provides a process for producing purified natural gas, the process comprising the steps of : expanding a pressurised natural gas stream comprising at least 4 ppmv of mercaptans and supplying it to a first separation column,...  
WO/2008/049188
A method has been developed for reducing the content of hydrogen sulphide in hydrocarbon streams. The method involves contacting a "sour" gas or fluid with a chemical formulation consisting of triethylene glycol and the reaction products...  
WO/2008/049827
The invention provides a process for producing purified natural gas, the process comprising the steps of : expanding a pressurised natural gas stream comprising at least 4 ppmv of mercaptans and supplying it to a first separation column,...  
WO/2008/040038
The invention describes a process for separating off at least in part at least one component from a gas mixture, in particular from biogas (2), wherein, in a reactor (4) having an interior (21), microorganisms (10) are provided for by a ...  
WO/2008/034526
The invention relates to a method for supplying natural gas, especially natural gas used for filling up vehicles. According to the invention, at least one constituent which reduces the freezing point and/or stabilises the ignition pressu...  
WO/2008/034901
The invention relates to an odorant comprising or composed of (A) at least 75 percent by weight of methyl acrylate and/or ethyl acrylate, (B) 2 to 19.5 percent by weight of tetrahydrothiophene (THT), (C) 5 to 50 ppm of hydroquinone monom...  
WO/2008/034526
The invention relates to a method for supplying natural gas, especially natural gas used for filling up vehicles. According to the invention, at least one constituent which reduces the freezing point and/or stabilises the ignition pressu...  
WO/2008/033107
A system for the generation, storage and use of Brown gas comprising at least one Brown gas generator (116), in communication with an electricity supply (104) and water supply (102); at least one first storage chamber (122), in fluid com...  
WO/2008/031778
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 ret...  
WO/2008/033107
A system for the generation, storage and use of Brown gas comprising at least one Brown gas generator (116), in communication with an electricity supply (104) and water supply (102); at least one first storage chamber (122), in fluid com...  
WO/2008/026681
Disclosed is catalytic cracking by using a fluid catalytic cracking apparatus having a reaction zone, a separation zone, a stripping zone and a reproduction zone. A synthetic product produced by a FT synthesis method is separated into a ...  
WO/2008/026635
Disclosed is catalytic cracking by using a fluid catalytic cracking apparatus having a reaction zone, a separation zone, a stripping zone and a reproduction zone. In the reaction zone, a feed oil comprising a hydrocarbon separated from a...  
WO/2008/024329
System for removing siloxanes from biogas, the system comprises an adsorbent bed which comprises at least two of activated carbon, silica gel and molecular sieve. Method for removing siloxanes from a biogas stream using the above adsorbe...  
WO/2008/021194
An adsorbent compostion for desulfurizing a fluid comprising: at least one compound of a class of porous metal organic compounds of the general formula MOADA, where M is a tetravalent metal or a mixture of tetravalent metals, 0 is an oxy...  
WO/2008/020551
Biomass is treated by catalytic cracking with a fluid catalytic cracking apparatus which has a reaction zone, separation zone, stripping zone, and regeneration zone. In the reaction zone, a raw oil containing biomass is treated with a ca...  
WO/2008/020950
A syngas reforming reactor has a shell-and-tube configuration wherein the shell-side fluid flow path through the tube bundle has a longitudinal configuration. The reactor can include a shell-side inlet fluid distributor plate below the l...  
WO/2008/021194
An adsorbent compostion for desulfurizing a fluid comprising: at least one compound of a class of porous metal organic compounds of the general formula MOADA, where M is a tetravalent metal or a mixture of tetravalent metals, 0 is an oxy...  
WO/2008/017582
In order to improve the combustibility and the calorific value of fuels, these fuels are subjected to different pretreatment methods. In order to improve the cost-effectiveness of the pretreatment of fuels, it is proposed to remove nonco...  
WO/2008/017582
In order to improve the combustibility and the calorific value of fuels, these fuels are subjected to different pretreatment methods. In order to improve the cost-effectiveness of the pretreatment of fuels, it is proposed to remove nonco...  

Matches 651 - 700 out of 3,710