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Matches 251 - 300 out of 1,479

Document Document Title
WO/2005/085392A1
The present invention provides the use of a phosphorus-containing compound to control the formation of soaps in various media. Also provided is the use of phosphorus containing compounds to remove metal ions from various media. An effect...  
WO/2005/077502A1
A crosslinked polymeric polyvinyl sulfate membrane or crosslinked copolymer polyvinyl sulfate and polyvinyl alcohol membrane, suitable for use in an acid environment, and its use for recovering acid from a feed mixture comprising acid, h...  
WO/2005/075390A1
Processes and apparatus are disclosed for recovery of purified products from a fluid mixture by means of integrated perm-­selective separations with purified product recovery operations. More particularly, integrated processes of the in...  
WO/2005/049180A1
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/2005/049766A1
The invention relates to a method for isomerising typically paraffinic hydrocarbon fractions having 5-7 carbon atoms consisting in using a membrane separation unit which is supplied by an overhead flux from a deisohexaniser which makes i...  
WO/2005/049181A1
A method and system for blending components obtained from a feed stock. The method includes flowing a first stream through a membrane member, with the membrane member having a first wafer assembly comprising a first thin film polymer mem...  
WO/2005/049182A1
An isothermal method is provided 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 contains a rib member. Next, the feed stream...  
WO/2005/049179A1
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/2005/042672A1
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/2005/039728A1
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/2005/023399A1
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/2005/019383A2
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/2005/002701A2
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/2005/003066A2
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/2004/108862A1
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/2004/101100A2
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/2004/099347A1
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/2004/096415A1
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/2004/094562A1
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/2004/092308A1
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/2004/078642A1
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/2004/069963A1
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/2004/069962A1
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/2004/067488A1
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/2004/061055A1
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/2004/053035A1
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/2004/043938A1
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/2004/037370A2
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/2004/020553A1
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/2004/016718A1
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/2004/016715A2
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/2004/014512A2
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/2004/014538A1
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/2004/007645A1
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/2004/007049A1
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/2004/005436A1
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/2003/093398A1
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/2003/087263A2
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/2003/053894A1
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/2003/050213A1
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/2003/050206A1
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/2003/048272A1
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/2003/048051A1
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/2003/035802A1
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/2003/035803A1
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/2003/033626A2
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/2003/031022A1
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/2003/029385A2
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/2003/025096A1
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/2003/018727A1
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...  

Matches 251 - 300 out of 1,479