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Matches 251 - 300 out of 837

Document Document Title
WO/2005/049179
A method for separating aromatic hydrocarbons from a feed stream. The method includes flowing the feed stream through a first channel within a first wafer assembly that may contain an underflow distribution weir. Next, the feed stream is...  
WO/2005/042672
The invention provides a process for upgrading a liquid hydrocarbon transportation fuel, wherein an inlet stream of liquid hydrocarbon transportation fuel, preferably diesel or gasoline base fuel is contacted with a non-porous or nano-fi...  
WO/2005/039728
The invention relates to a method for separating solvents consisting of halogenated hydrocarbons with a low molecular weight, from oil-containing solutions and suspensions, during the production of lubricating oil, by means of a solvent-...  
WO/2005/023399
Apparatus and processes are disclosed for economical separation of fluid mixtures utilizing perm-selective membranes. Broadly, apparatus of the invention comprises a plurality of membrane modules in counter-current cascade arrenangement ...  
WO/2005/019383
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/2005/002701
Novel methods of treating a Fischer-Tropsch derived hydrocarbon stream with an active filtering catalyst are disclosed. Such methods are capable of removing soluble (and ultra-fine particulate) contamination, fouling agents, and/or plugg...  
WO/2005/003066
Novel methods of treating a Fischer-Tropsch product by distillation are disclosed. Such methods are capable of removing soluble (and ultra-fine particulate) contamination, fouling agents, and/or plugging precursors from the Fischer-Trops...  
WO/2004/108862
The application relates to a method for selecting drag reducer additive (DRA) effectively removable by activated carbons and graphites to be used in fuel. The application also relates to effective activated carbons and graphites for remo...  
WO/2004/101100
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/2004/099347
A process for upgrading a liquid petroleum or chemical stream wherein said feedstream flows countercurrent to the flow of a treat gas, such as a hydrogen-containing gas, in at least one reaction zone. The feedstream treated so that it is...  
WO/2004/096415
Chitosan membranes chelated with silver or cuprous material may be used to separate olefins from a mixture of olefins and paraffins. The feed stream is humidified, demisted, treated to remove sulfur compounds and passed to a cell having ...  
WO/2004/094562
The inventive method consists in thermally liquefying wastes in an organic solvent at a temperature equal to or higher than 270°C and a pressure equal to or less than MPa, separating a liquid fraction from an undissolved product and in ...  
WO/2004/092308
Process for separating colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture using a membrane having a feed side and a permeate side, by contacting the hydrocarbon mixture with the feed side of the membrane, wherein b...  
WO/2004/078642
Natural gas is reacted with steam, to generate carbon monoxide and hydrogen in a first catalytic reactor; the resulting gas mixture is used to perform Fischer-Tropsch synthesis in a second catalytic reactor. After performing Fischer-Trop...  
WO/2004/069963
A treatment for accelerating the settling of finely divided solids in hydrocarbon fluids, including adding to the hydrocarbon a sufficient settling amount of a combination of (a) a polyacrylic acid adducted alkylphenol-formaldehyde resin...  
WO/2004/069962
Disclosed is a method for processing naphtha, according to which a) naphtha or a stream generated from naphtha in a preprocessing step is divided into a stream A that is stripped of aromatics and a stream B which is enriched with aromati...  
WO/2004/067488
The inventive method for dehydrating and dehydrocyclising hydrocarbons relates to petrochemistry and consists in bringing a raw material flow into contact with a catalyst based on X-ray amorphous carbon, which is produced by evaporating ...  
WO/2004/061055
A method for desalization and dehydration of oil in which after heating of the emulsed oil it contacts with water, while deemulgator is added to this mixture. The mixture of oil, water and overheated steam sedimentates, during which a pa...  
WO/2004/053035
For purifying contaminated oil from particles suspended in the oil by means of a centrifugal separator a liquid separation aid is used having a density higher than that of the oil. The liquid separation aid attracts/binds the contaminati...  
WO/2004/043938
1,3,5 (2H2,4H2,6H2) tripropanediamine N,N,N',N',N',N' hexamethyl is used to scavenge sulfur compounds from hydrocarbons. A novel method of making the triazine comprises autocondensing (CH3)2N CHCH2CH 2N=CH2.  
WO/2004/037370
Fossil fuels are combined with an aqueous liquid and a dialkyl ether to form an aqueous-organic reaction medium which is passed through an ultrasound chamber on a continuous flow-through basis. The emerging mixture separates spontaneousl...  
WO/2004/020553
It has been discovered that metals and/or amines can be removed or transferred from a hydrocarbon phase to a water phase in an emulsion breaking process by using a composition that contains water-soluble hydroxyacids. Suitable water-solu...  
WO/2004/016718
A method of modifying a biomass which comprises the modification step of treating a cellulose-based biomass having an oxygen/carbon atomic ratio of 0.5 or above under the saturated vapor pressure or above in the presence of water to ther...  
WO/2004/016715
The invention relates to a method and a device for purifying petroleum fractions in order to produce fuel with a low content of sulphur and/or aromatic compounds. The inventive method consists in simultaneously distilling the petroleum f...  
WO/2004/014512
A method of augmenting the separation of immiscible heavier and lighter components of an emulsion including the steps of passing the emulsion into a treatment vessel, establishing at least one dual frequency electric field within the ves...  
WO/2004/014538
An apparatus and process for the separation of solids from gases in a mixture improves separation efficiency by imparting a swirl motion to the mixture in a first angular direction to centripetally separate the heavier solids from the li...  
WO/2004/007645
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/2004/007049
A filtration device, a filtration method, a method of desalinating sea water by using the device, and a method of desulfurizing petroleum, the device comprising a filter formed in a cylindrical shape by stacking a plurality of rings on e...  
WO/2004/005436
A hydrocracking process wherein a hydrocarbonaceous feedstock and hydrogen is passed to a denitrification and desulfurization reaction zone and then directly to a hot, high pressure stripper utilizing a hot, hydrogen-rich stripping gas t...  
WO/2003/093398
The invention relates to the petroleum industry, in particular to a method and device for conditioning a hydrocarbon liquid. The inventive method for conditioning a liquid is based on the resonance excitation thereof and consists in supp...  
WO/2003/087263
A method for determination for a given oil the relative stability of a water-in-oil emulsion that will be formed by that oil with water comprises measuring for the given oil the weight percent asphaltenes (A), total acid number (TAN), an...  
WO/2003/053894
A process for preparing a paraffinic product stream in the gasoline, middle didstillate fuel and lube ranges from a C¿2-5? -containing feedstock and a C¿20?+ paraffinic feedstock is described. The combined feedstocks are subjected to m...  
WO/2003/050213
The invention concerns a pretreatment method of emulsified fuel,wherein an emulsified fuel which is emulsified by adding water and surface active agent to Orinoco tar is heated to 70 °C to 95 °C and,at the same time,introduced in a cen...  
WO/2003/050206
The invention relates to a method for improving yield in petroleum streams derived from coking processes. In a preferred embodiment, the invention relates to a method for regenerating filters employed to remove particulate matter from co...  
WO/2003/048272
The invention provides a method for separating at least a fraction of non-acid chemicals (NAC's) from at least a fraction of a gaseous raw product produced during a Fischer-Tropsch (FT) reaction or a condensate thereof including at least...  
WO/2003/048051
The invention relates to a method for activating liquid and gaseous media, according to which the medium flowing around magnetic rods is polarised in a bipolar magnetic field, electromagnetic radiation having a wavelength of between 100 ...  
WO/2003/035802
The flow properties of crude petroleum having an API gravity varying from about 6 to 12 are improved by heating the crude petroleum to a temperature of about 35°c to 200°C and, in the presence of a suitable viscosity reducing additive,...  
WO/2003/035803
Continuous process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture by passing part of the hydrocarbon mixture through a membrane over which membrane a pressure difference is maintained thereby obtain...  
WO/2003/033626
A fuel mixture for a compression ignition device is provided, comprising a mixture of used oil and fuel material in a ratio that increases the fuel efficiency of the device in comparison to the efficiency of the device when operated with...  
WO/2003/031022
A fuel for removing fuel impurities, particularly thiophenes, includes a hollow housing having a filter element therein. The filter element includes a substrate, which my include a nonwoven fiber web, a plurality of particles, or both of...  
WO/2003/029385
The inventive method for recycling mixed oil waste and device for carrying out said method relate to methods and devices for oilstock processing. Said invention makes it possible to increase the production of marketable hydrocarbons by m...  
WO/2003/025096
A method for reducing the sulfur content of a hydrocarbon stock containing sulfur, which comprises admixing a hydrocarbon stock containing sulfur with steam, and contacting the resulting admixture with a desulfurization chemical and a ca...  
WO/2003/018727
A fuel filter assembly (20) include the annular outer housing (21), nutplate (22), substantially cylindrical filter component (23), outlet endplate (24), base endplate (25), support spring (26), and spring protector (27) and a fuel addit...  
WO/2003/018719
A method and apparatus for the removal of free, emulsified, or dissolved water from liquids of low volatility, such as oil, is shown. The liquid of low volatility is removed by contacting the fluid stream of concern with one side of a se...  
WO/2003/006404
A hydrocarbon wax product from a hydrocarbon synthesis slurry comprising liquid synthesis product and catalyst particles is purified by introducing a portion of hydrocarbon synthesis slurry from a hydrocarbon synthesis zone to a treatmen...  
WO/2003/006579
In an embodiment, the invention relates to a method for reducing coke in agglomeration in petroleum streams derived form coking processes. In a preferred embodiment, the invention relates to a method for mitigating filter fouling in a co...  
WO/2002/102717
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/2002/096840
A process for filtering a suspension comprising a particulate Fischer-Tropsch catalyst suspended in liquid hydrocarbons and having synthesis gas dispersed therein in the form of gas bubbles and/or irregularly shaped gas voids which proce...  
WO/2002/092192
The present invention provides a filter apparatus for use in removing impurities and acids contained in a fluid that includes a particulate filter (10) and an acid-neutralizing filter (20). The particulate filter (10) and the acid-neutra...  
WO/2002/088278
A filter medium for liquid fuels and a filter device comprise at least one porous layer of a titanium-base component and at least one layer of a copper-base component having a higher normal electrode potential compared with that of titan...  

Matches 251 - 300 out of 837