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Matches 201 - 250 out of 758

Document Document Title
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...  
WO2002062926A3
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/2002/097006A2
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...  
WO2002062923A8
The present invention relates to Compositions of fuels for transportation are disclosed, particularly organic compositions which are liquid at ambient conditions. More specifically, it relates to transportation fuels comprising suitable ...  
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...  
WO/2002/053683A1
The invention relates to a selective desulphurisation method for thiophene derivatives contained in the hydrocarbons emitted from the distillation of crude oil, refined or not, consisting in oxidising the atoms of thiophene sulphur in su...  
WO2001079385A3
The present invention relates to a process for denitrogenating a distillate stream by contacting an organic nitrogen-containing petroleum distillate feed in the presence of an aqueous base selected from Group IA and IIA hydroxides and am...  
WO/2002/038708A1
A fuel for a diesel engine is produced by using a fish waste oil or a mixture of a vegetable waste oil and the fish waste oil which have conventionally been wasted as a staring material. Fish oil (virgin oil or fish waste oil) or a mixtu...  
WO/2002/031086A1
The invention relates to a process for eliminating sulfur compounds from the gasoline fraction, which is characterized in that an oxidation reaction of said sulfur compounds is carried out using at least one organic-inorganic composite a...  
WO/2002/026916A1
Fossil fuels are combined with a hydroperoxide in an aqueous-organic medium and subjected to ultrasound, with the effect of oxidizing the sulfur compounds in the fuels to sulfones. Due to their high polarity, the sulfones thus formed are...  
WO/2002/018518A1
A process for desulfurizing fuels such as diesel oil and similar petroleum products to reduce the sulfur content to a range of from about 2 to 15 ppm sulfur is described. The sulfur containing fuel is contacted at slightly elevated tempe...  
WO2001064817A3
A method of producing oxygenated fuel. The method operates on a sulfur-free base fuel. Oxygen gas is introduced into the base fuel, which is heated, using a sparging process. Water is then removed from the resulting oxygenated fuel.  
WO2001066671A3
The present invention provides a process for removing sulfur compounds including sulfur in the (-2) oxidation state from liquid or gas feed streams, particularly hydrocarbon feed streams. According to the process, such a feed stream incl...  
WO/2001/094241A1
I claim as my invention, a 50-1250 barrel intermediate Aluminum or Plastic lined tank for mixing hydrocarbon fuels with hydrogen peroxide. The tank has a platform at the top from which comprises a delivery system of Hydrogen Peroxide to ...  
WO/2001/079385A2
The present invention relates to a process for denitrogenating a distillate stream by contacting an organic nitrogen-containing petroleum distillate feed in the presence of an aqueous base selected from Group IA and IIA hydroxides and am...  
WO2001039904B1
A method for treating hydrocarbonaceous deposits to recover a petroleum-like hydrocarbon portion and a cleaned particulate substrate portion. Hydrocarbonaceous ore containing bitumen and/or kerogen is crushed or otherwise comminuted to s...  
WO/2001/066671A2
The present invention provides a process for removing sulfur compounds including sulfur in the (-2) oxidation state from liquid or gas feed streams, particularly hydrocarbon feed streams. According to the process, such a feed stream incl...  
WO/2001/064817A2
A method of producing oxygenated fuel. The method operates on a sulfur-free base fuel. Oxygen gas is introduced into the base fuel, which is heated, using a sparging process. Water is then removed from the resulting oxygenated fuel.  
WO/2001/048119A1
The invention concerns a method for selectively desulphurizing thiopene compounds contained in hydrocarbons derived from crude oil distillation, whether refined or not, which consists in oxidising the thiophene sulphur atoms into sulphon...  
WO/2001/039904A1
A method for treating hydrocarbonaceous deposits to recover a petroleum-like hydrocarbon portion and a cleaned particulate substrate portion. Hydrocarbonaceous ore containing bitumen and/or kerogen is crushed or otherwise comminuted to s...  
WO/2001/036564A1
A process and apparatus to extract and recover heavy metals and sulfur from crude oil (3) or petroleum fuel products consisting of the steps of emulsifying (4) the crude oil with an emulsifying agent (5), adding a leach solution (14, 17)...  
WO/2001/034539A1
A process for saturating olefins and alkynes in a hydrocarbon stream comprises mixing the hydrocarbon stream with a surfactant, hydrazine and an oxidizer. The resulting mixture is then directed through an ion exchange resin including a c...  
WO/2001/032809A1
Distillate fuel is selectively oxidised, preferably by hydrogen peroxide in the presence of a titanium silicalite catalyst to produce hydroxyl and/or carbonyl groups bonded to paraffinic carbon atoms of the diesel fuel molecules to provi...  
WO/2001/029153A1
The invention relates to chemistry and in particular to technology for processing hydrocarbon fuel, including engine fuel. The invention makes it possible to obtain a fuel with high cetane and octane numbers by means of the following: th...  
WO/2000/075262A1
The present invention provides a process for de-acidifying crude oil and/or crude oil distillate, said process comprising: (a) contacting crude oil and/or crude oil distillate with a Group IIA metal hydroxide in the presence of water, wh...  
WO/2000/050539A1
The present invention describes a process for decreasing the acidity of a starting calcium containing, non-acid treated acidic crude oil by adding such an acidic crude oil to an effective amount of an aqueous base solution at conditions ...  
WO/2000/047696A1
Sulphur compounds are removed from a liquid FCC gasoline stream by contact with a tertiary hydroperoxide with a catalyst effective to catalyse the reaction of tertiary hydroperoxides with sulphur compounds, whereby the sulphur compounds ...  
WO2000015734A9
Sulfur-containing carbonaceous materials are desulfurized by reaction with a mixture of an oxidizing agent and an oxygenated solvent such as diethyl ether under alkaline conditions at a temperature preferably ranging from ambient tempera...  
WO/2000/037589A1
The invention relates to a process for demetallating a petroleum stream by contacting a metals-containing petroleum feed in the presence of a base selected from Group IA and IIA hydroxides and carbonates and ammonium hydroxide and carbon...  
WO2000014035A3
A process and catalyst for the partial oxidation of paraffinic hydrocarbons, such as ethane, propane, naphtha, and natural gas condensates, to olefins, such as ethylene and propylene. The process involves contacting a paraffinic hydrocar...  
WO/2000/037588A1
The present invention relates to a process for demetallating a petroleum stream by contacting a metals-containing petroleum feed in the presence of an aqueous base selected from Group IA and IIA hydroxides and carbonates and ammonium hyd...  
WO/2000/023540A1
A process for the conversion of hydrocarbons that are solid or have a high boiling temperature and may be laden with metals, sulfur or sediments, into liquids (gasolines, gas oil, fuels) with the help of a jet of gas properly superheated...  
WO/2000/015734A1
Sulfur-containing carbonaceous materials are desulfurized by reaction with a mixture of an oxidizing agent and an oxygenated solvent such as diethyl ether under alkaline conditions at a temperature preferably ranging from ambient tempera...  

Matches 201 - 250 out of 758