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Matches 351 - 400 out of 4,450

Document Document Title
WO/2004/002927A1
The invention concerns a process for the preparation of hydrocarbons and generation of heat of carbon monoxide and hydrogen in the presence of a catalyst at elevated temperature and pressure in at least two stages which comprises: (i) in...  
WO2002098925A8
The invention relates to a method for the transfer of hydrogen to chemical compounds, whereby the hydrogen transfer is carried out in supercritical or subcritical phases by using stabilised and dispersed metal particles. The invention fu...  
WO2003037835A3
The invention relates to a method for eliminating polarizable impurities from hydrocarbons and hydrocarbon mixtures by using ionic liquids as an extraction medium, in order to reduce the degree of impurity of the hydrocarbon or hydrocarb...  
WO/2003/104171A1
The invention relates to a process for producing ethane comprising contacting methane with a metal catalyst selected from metal hydrides, metal organic compounds and mixtures thereof. It also relates to a process for the conversion of me...  
WO2003040067A3
A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from synthesis gas in a synthesis reactor also hydroisomerizes the synthesized hydrocarbon liquid, which comprises the slurry liquid, in one or m...  
WO2003064034A3
There is provided a process for regenerating the activity of used metal catalysts for the hydrogenation of carbon monoxide comprising decreasing the hydrocarbon content thereof, calcining under an oxidant-containing atmosphere, impregnat...  
WO/2003/097565A1
Unreacted syngas containing CO2 from Fisher-Tropsch synthesis reactor, a methanol synthesis reactor or a dual functional syngas conversion is scrubbed with an aqueous medium to absorb at least some of the CO2. At least a portion of the u...  
WO2002096842A3
The invention relates to a novel and completely synthetic microcrystalline paraffin, said paraffin being obtained in a simple manner and with a high yield by the catalytic hydromerisation of paraffin FT comprising 20 to 105 carbon atoms....  
WO/2003/093202A1
Disclosed is a continuous method for obtaining butenes from a C4 fraction containing butane, butene, and other C3-C5 hydrocarbons by means of extractive distillation with the aid of a selective solvent (LM). A first step (I) of the inven...  
WO/2003/089388A1
A process for upgrading a Fischer-Tropsch feedstock which comprises (a) recovering from a Fischer-Tropsch reactor (4) a Fischer-Tropsch wax fraction (6) and a Fischer-Tropsch condensate fraction (8), wherein the Fischer-Tropsch condensat...  
WO/2003/089134A1
The invention focuses on distributing the vapor/liquid flow that emerges from an inlet nozzle (23) across the tube sheet (24b) of an alkylation reactor or heat exchanger. The flow distributor (50) takes the two-phase flow that emerges fr...  
WO/2003/087022A1
The refrigeration system for an ethylene plant comprises a closed loop tertiary refrigerant system containing methane, ethylene and propylene. The tertiary refrigerant from a compressor is separated into an inter-stage discharge and the ...  
WO/2003/083015A2
A process for the removal of arsine (AsH3) from a hydrocarbon stream, having an atmospheric boiling point lower than about 0 °C, by contacting the hydrocarbon stream with an adsorbent that contains elemental sulphur deposited on a suppo...  
WO/2003/078360A1
A process for the alkylation of saturated hydrocarbons by reacting an alkylatable compound with an alkylation agent to form a product stream comprising alkylate. The process involves the use of a series of at least two reactors. During t...  
WO2003055583A3
Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous struct...  
WO/2003/076053A2
A isotopic gas of high purity is obtained at low cast, wherein for example, in a case of separating 13CH4 from methane gas and obtaining 13CH4 of high purity, the enrichment of 13CH4, using the difference in adsorption of 12CH4 and 13CH4...  
WO2003006577A3
A hydrocarbon wax product from a HCS slurry comprising liquid synthesis product and catalyst particles is purified by circulating the slurry from a synthesis zone with a first temperature through a treatment zone with a second temperatur...  
WO2002098925A3
The invention relates to a method for the transfer of hydrogen to chemical compounds, whereby the hydrogen transfer is carried out in supercritical or subcritical phases by using stabilised and dispersed metal particles. The invention fu...  
WO/2003/072530A1
An integrated process for improved hydrocarbon recovery from a natural gas resource is disclosed. A methane-rich stream, al LPG stream and optionally a C5+ stream are isolated from a natural gas source in a first separation zone and desu...  
WO/2003/070670A1
A process for preparing very high viscosity polyalphaolefins using an acidic ionic liquid oligomerization catalyst in the absence of an organic diluent and the products formed thereby.  
WO/2003/070667A1
The invention relates to a method for liquid-liquid or liquid-gas extraction of mixtures of organic compounds. According to the inventive method, one or more components of the mixture are completely or partially extracted by using an ion...  
WO2003019068A3
It is required to provide a gas hydrate dewatering device which performs dewatering and produces a gas hydrate with a low proportion of included water (40f) continuously at high efficiency, under conditions in which the gas hydrate is no...  
WO/2003/068715A1
A process for starting up a Fischer-Tropsch reactor includes establishing, in the reactor, an initial charge of molten wax. The initial reactor temperature is below the line-out reactor temperature but is sufficiently high for a Fischer-...  
WO/2003/068396A1
A process for activating a supported metal catalyst or catalyst precursor useful for the hydrogenation of carbon monoxide to form a mixture of hydrocarbons, comprising reducing with a hydrogen-containing gas at elevated temperature so th...  
WO/2003/064354A1
A Fischer-Tropsch C3-C4 olefin stream is simultaneously dehydrated and isomerized in a reactor (40) to convert alcohols to olefins and 1-butenes to 2-butenes and thereby lower the oxygenate content. Another Fischer-Tropsch fraction is hy...  
WO/2003/064034A2
There is provided a process for regenerating the activity of used metal catalysts for the hydrogenation of carbon monoxide comprising decreasing the hydrocarbon content thereof, calcining under an oxidant-containing atmosphere, impregnat...  
WO/2003/064040A1
There is provided a process for renewing the activity of supported metal catalysts for the hydrogenation of carbon monoxide to form a mixture of hydrocarbons comprising decreasing the hydrocarbon content of the catalyst, preferably by co...  
WO/2003/064353A1
A Fischer-Tropsch C3-C4 olefin stream is treated to lower the oxygenate content to below 4000 ppm. Another Fischer-Tropsch fraction is hydrotreated and hydrocracked to provide an isobutane-containing stream. The treated C3-C4 olefin stre...  
WO2003018182A3
Improved methods for conduction solid acid-catalyzed, near- or supercritical heterogeneous chemical reactions (e.g., alkylation reactions) are provided which give enhanced product yields and permit longer processing runs. The preferred r...  
WO/2003/064356A1
There is provided a process for hydrocarbon synthesis wherein a supported metal catalyst for hydrogenating carbon monoxide to form a mixture of hydrocarbons is regenerated by decresing its hydrocarbon content, impregnating under a non−...  
WO/2003/064033A1
There is provided a process for renewing the activity of used, supported metal catalysts for the hydrogenation of carbon monoxide to form a mixture of hydrocarbons comprising decreasing the hydrocarbon content of the catalyst, impregnati...  
WO/2003/064355A1
A process for enhancing metal catalysts for carbon monoxide hydrogenation comprising reducing the catalyst so that at least a portion is in the metallic state, impregnating under a non−oxidative atmosphere with a solution of a salt of ...  
WO/2003/062178A1
A process is disclosed for preparing a C¿4? stream for feeding to an alkylation process which reacts isobutane with butene to produce isooctane. The C¿4? stream is treated in a first distillation column reactor to remove dienes and mer...  
WO2003019068A8
It is required to provide a gas hydrate dewatering device which performs dewatering and produces a gas hydrate with a low proportion of included water (40f) continuously at high efficiency, under conditions in which the gas hydrate is no...  
WO/2003/055583A2
Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous struct...  
WO2002096836A3
A process for converting synthesis gas to higher hydrocarbons, at an elevated temperature and pressure, comprising continuously introducing a synthesis gas feed stream comprising 0.1 to 50 % by volume of carbon dioxide into a continuous ...  
WO/2003/044125A2
A process is provided to produce a dilute ethylene stream and a dilute propylene stream to be used as feedstocks for producing olefin-based derivatives. Specifically, the dilute ethylene stream is used as a feedstock to produce ethylbenz...  
WO2002096834A3
A method of starting up a Fischer-Tropsch reaction in a system comprising at least one high shear mixing zone and a reactor vessel which method comprises a) passing a suspension of a particulate Fischer-Tropsch catalyst in a liquid mediu...  
WO/2003/041852A1
A channel geometry for monolith and honeycomb catalysts used in two- and three-phase catalytic reactions or gas-liquid mass transfer processes features a desirable channel shape that enhances liquid/structure contacting efficiency and ga...  
WO/2003/040261A2
The present invention provides an upgraded synthetic gasoline having a true boiling point (TBP) range of between 50°C-300°C, a sulphur content of less than 1ppm, a nitrogen content of less than 1ppm, an aromatics content of between 0.0...  
WO/2003/040067A2
A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from synthesis gas in a synthesis reactor also hydroisomerizes the synthesized hydrocarbon liquid, which comprises the slurry liquid, in one or m...  
WO2002097010A3
A process for the conversion of synthesis gas to hydrocarbons, at least a portion of which are liquid at ambient temperature and pressure, by contacting the synthesis gas at an elevated temperature and pressure with a suspension comprisi...  
WO2002096837A3
A process for the conversion of synthesis gas to hydrocarbons by contacting the synthesis gas at an elevated temperature and pressure with a suspension comprising a solid particulate catalyst suspended in a liquid medium, which contactin...  
WO/2003/037835A2
The invention relates to a method for eliminating polarizable impurities from hydrocarbons and hydrocarbon mixtures by using ionic liquids as an extraction medium, in order to reduce the degree of impurity of the hydrocarbon or hydrocarb...  
WO/2003/026048A1
The invention concerns a method for preparing an organic gel metal-doped or not comprising a mixture in a solvent of an hydroxylated benzene with an aldehyde to form a gel whereof the texture is regulated by adjusting the pH of the start...  
WO/2003/024902A1
The invention concerns a method for $g(a)-olefin trimerization comprising a number of carbon atoms not less than 3, by transforming an $g(a)-olefin or a hydrocarbon mixture containing $g(a)-olefins, at temperatures ranging between 0 and ...  
WO/2003/024904A1
A method for removing CO¿2? from a gas stream, including methane and CO¿2?. The method includes contacting a gas stream with an aqueous stream, so that at least a portion of the CO¿2? in the gas stream is dissolved into the aqueous st...  
WO/2003/024605A2
In an undersea system, an aqueous liquid stream (14) is used to separate carbon dioxide (CO2) from hydrocarbon asset (10). The carbon dioxide is subsequently disposed in the sea (18) or underground (20).  
WO/2003/020420A1
A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4...  
WO/2003/020843A1
The present invention provides homogeneous mixtures of saturated hydrocarbons and tetrahydrocarbylphosphonium salt ionic liquids. The present invention further provides a process for expelling a hydrocarbon, preferably a saturated hydroc...  

Matches 351 - 400 out of 4,450