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Matches 151 - 200 out of 800

Document Document Title
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/2002/102935A1
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/2002/102934A1
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...  
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...  
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 ...  
WO2002031085A3
This invention relates to a method for separating olefins and paraffins from oxygenates in a liquid hydrocarbon stream containing a high proportion of olefins, paraffins and oxygenates (mainly alcohols). Typically, the hydrocarbon stream...  
WO/2002/087743A1
Methods for removing sulfur from syngas in a Fischer-Tropsch reactor, and reactors including means for removing sulfur from syngas are disclosed. Sulfur-reactive metals can be used in the Fischer-Tropsch unit to sequester the sulfur. For...  
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/2002/081597A1
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/2002/070109A1
The invention is directed to a process for removal of sulfur compounds from a hydrocarbon source containing them, wherein the hydrocarbon source is to be utilized in a downstream hydrogen production process including a sulfur removal ste...  
WO/2002/068568A2
A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membr...  
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/2002/055633A1
The methods involve subjecting a C5-11 olefinic feed (5) containing olefins and optional paraffins to a first dimerization zone (30) to yield a first product (35). The first product is then fed to an additional dimerization zone (40) to ...  
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...  
WO/2002/053685A1
A method of removing low boiling sulfur compounds from naphtha boiling range streams. The naphtha boiling range stream is contacted with a high silica zeolite at effective conditions to convert lower boiling sulfur compounds to higher bo...  
WO/2002/031085A2
This invention relates to a method for separating olefins and paraffins from oxygenates in a liquid hydrocarbon stream containing a high proportion of olefins, paraffins and oxygenates (mainly alcohols). Typically, the hydrocarbon stream...  
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...  
WO/2002/018519A1
A process for deacidifying a crude oil and/or crude oil distallate containing organic acids, said process comprising: (a) contacting the crude oil and/or crude oil distillate with (i) a Group IA metal salt selected from the group contain...  
WO/2002/011850A1
A method for separating used oil in a simple batch process into usable fractions. A pretreatment step involves forming a mixture of the used oil and specified pretreatment chemicals in a mixing tank (10). A reduced pressure is maintained...  
WO2001016254A3
The invention relates to petrochemistry and more particularly to methods of processing oil which can be used in refineries to increase the depth of said oil processing. The inventive process includes several traditional processing stages...  
WO/2001/096498A1
The invention concerns a sequence of steps for desulphurizing gasoline for example from catalytic cracking comprising the elimination of thiophenic compounds by alkylating said compounds, Said method enables to cut out the step of elimin...  
WO/2001/088063A1
In this invention a heavy crude is heated to from about 300 °F to about 600 °F. The crude is maintained at this temperature and gases are flashed off the crude. Salts such as magnesium chloride and calcium chloride react with water in ...  
WO/2001/077257A1
Process to prepare a process oil with an aromatic content of more than 50 wt% (according to ASTM D 2007) and a polycyclic aromatics (PCA) less than 3 wt% (according to IP 346) by (a) contacting a feed mixture of a petroleum fraction boil...  
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/2001/048119A1
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/2001/042397A1
The desulfurization of petroleum distillates can be carried out by cyclic low-temperature adsorption of oxidized sulfur compounds with activated carbon followed by regeneration of the activated carbon using an organic solvent. The activa...  
WO/2001/042393A1
A petroleum processing method for separating stock oil into an atmospheric distillate, a vacuum distillate and a vacuum residue on distillation, characterized by comprising (i) an atmospheric distillation step for atmospheric-distilling ...  
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/2001/032809A1
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/2001/030942A1
A process for the removal of hydrocarbon contaminants, such as dienes and olefins, from an aromatics reformate by contacting an aromatics reformate stream with a hydrotreating catalyst and/or a molecular sieve. The hydrotreating catalyst...  
WO/2001/016254A2
The invention relates to petrochemistry and more particularly to methods of processing oil which can be used in refineries to increase the depth of said oil processing. The inventive process includes several traditional processing stages...  
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/2000/069991A1
The present invention relates to the removal of mercury and other heavy metals from a hydrocarbon feedstream. The process involves contacting the hydrocarbon feedstream with a feedstream-soluble sulfur compound and then contacting the hy...  
WO/2000/068342A1
The invention concerns a method for obtaining oil products such as diesel fuel with improved quality, from a gas oil fraction containing organosulphur compounds such as dibenzenethiophenes and/or their derivatives, with initial and final...  
WO/2000/063321A1
The present invention provides apparatus and a process capable of reducing the sulphur content of the gasoline product resulting from the cracking of a high molecular weight hydrocarbon feed comprising sulphur which comprises at least th...  
WO/2000/052115A1
A process for the production of a process oil, the process comprising: a) contacting a petroleum distillate with a polar solvent in an extraction column which operates with a bottom temperature of 30 to 80°C, b) withdrawing a primary ra...  
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/2000/039251A1
The invention is a process of removing solids, particularly catalyst fines, from an asphaltene-containing hydrocarbon liquid. The process comprises contacting an asphaltene-containing hydrocarbon liquid with a solvent to create a mixture...  
WO2000014182A3
A product of reduced sulfur content is produced from a feedstock which is comprised of a mixture of hydrocarbons and includes sulfur-containing aromatic compounds as unwanted impurities. The process involves separating the feedstock by f...  
WO/2000/027957A1
The invention relates to a method for reprocessing waste oils and producing high-grade base oils, whereby waste oil is treated by means of distillation, thin-film evaporation in a high vacuum, optional fractionation for separation into l...  
WO/2000/024845A1
The invention relates to a process for enhancing demetallation of metals containing hydrocarbonaceous feedstocks by contacting a metals containing hydrocarbonaceous feedstock at a sufficient temperature and pressure with an additive cont...  
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...  
WO/2000/014182A2
A product of reduced sulfur content is produced from a feedstock which is comprised of a mixture of hydrocarbons and includes sulfur-containing aromatic compounds as unwanted impurities. The process involves separating the feedstock by f...  
WO/2000/009631A1
The instant invention is directed to a process for reducing organic acids in petroleum feeds containing organic acids comprising: (a) thermally treating a petroleum feed containing organic acids in a thermal reaction zone comprising a pl...  
WO/2000/001929A1
A combined cycle power generating system in which power generating efficiency is increased when a combined cycle power generation is performed by using normal pressure residue oil obtained by distilling stock oil at normal pressure by a ...  

Matches 151 - 200 out of 800