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Matches 151 - 200 out of 573

Document Document Title
WO/2005/033252A1
[PROBLEMS] To provide a modifier for a biodiesel fuel (BDF) such as a methylesterificated fuel. [MEANS FOR SOLVING PROBLEMS] A modifier for a biodiesel fuel, which is prepared by a method comprising subjecting a vegetable oil such as a s...  
WO/2005/019386A1
A process for the desulfurization of hydrocarbonaceous oil wherein the hydrocarbonaceous oil is contacted with a hydrodesulfurization catalyst in a hydrodesulfurization reaction zone (3) to reduce the sulfur level to a relatively low lev...  
WO/2005/019383A2
In crude oil fractions, fossil fuels, and organic liquids in general in which it is desirable to reduce the levels of sulfur-containing and nitrogen-containing components, the process reduces the level of these compounds via the applicat...  
WO/2005/012458A1
The process of the present invention involves reducing the sulfur an or nitrogen content of a distillate feedstock to produce a refinery transportation fu or blending components for refinery transportation fuel, by contacting the feedsto...  
WO/2004/101100A2
In crude oil fractions, fossil fuels, and organic liquids in general in which it is desirable to reduce the levels of sulfur-containing and nitrogen-containing components, the process reduces the level of these compounds via the applicat...  
WO/2004/099346A1
A process for the extractive oxidation of contaminants from raw hydrocarbon streams rich in heteroatomic polar, compounds is described, the said process involving the extractive oxidation of sulfur and nitrogen compounds from said stream...  
WO/2004/099348A2
Processes for generating and removing oxidized sulfur species, and in particular sulfoxides, from crude oil and various fractions derived therefrom. Initially, the sulfur species present in the crude oil or fractions derived from the cru...  
WO/2004/085576A1
Method for purifying a liquid medium, including adsorbing the impurities contained in the liquid medium using a sorbent, separation and removal of the adsorbed impurities, and regeneration of the sorbent, wherein the impurities are oxidi...  
WO/2004/083345A1
This invention is a method of oxidizing organosulfur impurites found in fuel streams. The method comprises reacting the organosulfur impurities with an organic hydroperoxide in the presence of a titanium-containing catalyst. The titanium...  
WO/2004/071653A1
Composition comprising one or more metal hydroxy salts and a matrix, binder or carrier material, wherein the metal hydroxy salt is a compound comprising (a) as metal either (i) one or more divalent metals, at least one of them being sele...  
WO/2004/067683A1
The invention relates to a modified hydrorefining catalyst, comprising a refractory oxide support, at least one metal of the group VIII and at least one metal of the group VI, both in an oxidised form, characterised in comprising at leas...  
WO/2004/061054A1
A process is disclosed for the production of refinery transportation fuel or components for refinery blending of transportation fuels having a reduced amount of sulfur and/or nitrogen-containing impurities. The process involves contactin...  
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...  
WO/2004/053026A1
A process for the upgrading of raw hydrocarbon streams rich in heteroatomic polar compounds and/or unsaturated moieties involving the extractive oxidation of sulfur, nitrogen, conjugated dienes and other unsaturated compound from said st...  
WO/2004/052537A1
A process for treating organic compounds includes providing a composition which includes a substantially mesoporous structure of silica containing at least 97% by volume of pores having a pore size ranging from about 15 Å to about 30Å ...  
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...  
WO/2004/044096A1
Propane and/or butanes are separated from a hydrocarbon feedstock contaminated with alkyl mercaptans by fractional distillation at such a pressure that the separated overheads stream containing said propane and/or butanes is at a tempera...  
WO/2004/044095A2
A process for the production of a reaction product including a carbon containing compound. The process includes providing a film of a fuel source including at least one organic compound on a wall of a reactor, contacting the fuel source ...  
WO/2004/029179A1
The present invention concerns a process for oxidative desulphurization of hydrotreated hydrocarbon mixtures which boil within the range of 180° to 360°C, containing less than 350 ppm of sulphur as thiophenic compounds, said process co...  
WO/2004/026473A1
A material especially useful for the selective oxidation of hydrocarbons and-other organic compounds includes a non-crystalline, porous inorganic oxide having at least 97 volume percent mesopores based on micropores and mesopores, and at...  
WO/2004/015030A1
The invention relates to a method of oxidising mercaptans, thiophenic compounds and the derivatives thereof present in petrol, kerosene and diesel fractions. The inventive method is characterised in that it consists in oxidising sulphur ...  
WO/2004/007645A1
The general object of this invention is to provide an improved process for sweetening and desulfurizing sulfur-containing crude oil streams. Heating the sulfur-containing crude oil stream to an elevated temperature for an extended period...  
WO/2004/005435A1
A process is provided for removing sulfur compounds, such as 4, 6 - dimethyldibenzothiophene, etc., out of hydrocarbon fluids, such as middle distillates, cracked gasoline, etc., by passing the sulfur compound-contaminated hydrocarbon fl...  
WO/2004/004893A2
The invention concerns solids comprising a single tungsten oxide layer on a zirconia support and/or titanium dioxide support, characterized in that the tungsten exhibits tetrahedral co-ordination, before and after calcining. The inventio...  
WO/2003/074633A1
A process effective for the removal of organic sulfur compounds from liquid hydrocarbons is disclosed. The process more specifically addresses the removal of thiophenes and thiophene derivatives from a number of petroleum fractions, incl...  
WO/2003/068893A2
Disclosed is a method for the desulfurization and/or denitrogenation of a hydrocarbon mixture containing nitrogenated and/or sulfured compounds, the sulfur atom of which belongs to an aromatic cycle. The inventive method comprises an oxi...  
WO/2003/051798A1
A method for desulfurizing a hydrocarbon stream (10) containing heterocyclic sulfur compounds, which process comprises contacting the heterocyclic sulfur compounds in the gas phase (60) in the presence of oxygen (70) with a supported met...  
WO/2003/045548A1
A catalytic material includes a microporous zeolite supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite beta, zeolite Y or ZSM-5. The mesoporous inorganic oxide can be, e.g., silica or alumina, ...  
WO/2003/044129A1
The invention relates to a method of oxidising sulphur compounds present in gasoline, kerosene and diesel fractions. The inventive method comprises an oxidation step in which a reaction mixture is subjected to a reaction involving the ox...  
WO/2002/102935A1
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...  
WO/2002/102940A1
The invention relates to a method for desulfurizing naphtha boiling-range hydrocarbons such as cracked naphtha. More particularly, the invention relates to hydrotreating the naphtha under selective hydrotreating conditions, and then remo...  
WO/2002/102717A1
Method and apparatus for treating a mixture of mineral substrate particles and hydrocarbon compounds, especially tarsands and contaminated soils, to recover a hydrocarbon portion and a cleaned substrate portion. Rock, sand, ore, or soil ...  
WO/2002/102934A1
The invention relates to a composition and method for treating liquid hydrocarbons in order to remove acidic impurities, such as mercaptans, particularly mercaptans having a molecular weight of about C¿4? (C¿4?H¿10?S=90 g/mole) and hi...  
WO/2002/102933A1
The invention relates to a method for treating naphtha, such as catalytically cracked naphtha, in order to remove acidic impurities, such a mercaptans. In particular, the invention relates to a method for mercaptans having a molecular we...  
WO/2002/102936A1
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...  
WO/2002/097006A2
Economical processes are disclosed for production of components for refinery blending of transportation fuels which are liquid at ambient conditions by selective oxygenation of refinery feedstocks comprising a mixture of organic compound...  
WO/2002/092726A2
A process for the catalytic oxidation of sulfur and nitrogen contaminants as well as unsaturated compounds present in a hydrocarbon fossil oil medium is described, the process comprising effecting the oxidation in the presence of at leas...  
WO/2002/092727A2
An integrated process for producing a hydrocarbon stream, preferably including predominantly C¿5-20? normal and iso-paraffins, is disclosed. The process involves isolating a C¿4-? stream and, optionally a C¿5+? stream ('natural gas co...  
WO/2002/090468A1
The invention concerns a method for desulphurization and/or denitrogenation of a hydrocarbon mixture containing sulphur and/or nitrogenous compounds, comprising an oxidation step with hydrogen peroxide and a solid catalyst containing a m...  
WO/2002/086021A1
Potassium formate is used together with a sulfide scavenger to remove and otherwise treat sulfhydryl compounds such as hydrogen sulfide present in hydrocarbons and aqueous substrates.  
WO/2002/083819A1
The invention relates to a method for the elimination of sulfur compounds from the diesel fraction, which is characterized in that an oxidizing reaction of said sulfur compounds is carried out by using at least one organic-inorganic comp...  
WO/2002/083820A1
A novel liquid collector assembly has been developed for a reactor used in the sweetening of sour hydrocarbons (e.g. sour gasoline). This refinery process normally involves contacting a reaction liquid, comprising both aqueous (caustic s...  
WO/2002/081597A1
A method and a device for separating sulfuric compound contained in oil; the method, comprising the step of feeding fog oil into an ozone atmosphere to perform a treatment for catalytic reaction to ozone so as to oxidize the sulfuric com...  
WO/2002/079373A1
A catalyst is intended for the oxidative demercaptanization (sweetening) of hydrocarbons compositions including petroleum, petroleum distillates, gasolines, kerosenes, jet fuels, diesel fuels and heating oils, natural-gas liquids, etc. I...  
WO/2002/074884A1
Fossil fuels are combined with a hydroperoxide, a surface active agent, and an aqueous liquid to form an aqueous-organic reaction medium which is passed through an ultrasound chamber on a continuous flow-through basis. The emerging mixtu...  
WO/2002/068567A1
The invention concerns a method for desulphurizing a hydrocarbon mixture containing sulphur compounds, comprising an oxidising step with hydrogen peroxide, acetic acid and an acid catalyst to oxidise the sulphur compounds, wherein the ca...  
WO/2002/062923A2
The present invention relates to Compositions of fuels for transportation particularly organic compositions which are liquid at ambient conditions. More specifically, it relates to transportation fuels comprising suitable organic distill...  
WO/2002/062926A2
Economical processes are disclosed for the production of components for refinery blending of transportation fuels by selective oxidation of feedstocks comprising a mixture of hydrocarbons, sulfur-containing and nitrogen-containing organi...  
WO/2002/062925A2
Economical processes are disclosed for production of components for refinery blending of transportation fuels which are liquid at ambient conditions by selective oxygenation of refinery feedstocks comprising a mixture of organic compound...  
WO/2002/058823A1
The present invention relates to a method for the removal of mercury from a gas stream. The method is characterized in that at a temperature above 170 °C the gas stream is contacted with a sorbent that as the active component is compris...  

Matches 151 - 200 out of 573