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Matches 351 - 400 out of 1,760

Document Document Title
WO/2008/017744A1
The invention relates to a process for membrane separation that allows linear hydrocarbons to be separated from branched hydrocarbons. The membrane employed comprises a dense selective layer composed of a polymer whose chemical structure...  
WO/2008/017582A3
In order to improve the combustibility and the calorific value of fuels, these fuels are subjected to different pretreatment methods. In order to improve the cost-effectiveness of the pretreatment of fuels, it is proposed to remove nonco...  
WO/2008/008533A1
The present invention pertains to a process for the separation of aromatics from a feed stream, including aromatics and non-aromatics by selectively permeating the aromatics through a membrane comprising feeding a mixed phase vapor-liqui...  
WO/2008/008749A3
Arrangements and methods embodying the invention include a hydrocarbon barrier membrane for separating water from a liquid mixture which includes a liquid hydrocarbon as a continuous phase and water as a discontinuous phase.  
WO/2007/135042A1
A process for the separation of different n-paraffins from each other, wherein a hydrocarbonaceous feedstock comprising different n-paraffins with a carbon number in the range of from 5 to 10 and having a n-paraffin carbon number distrib...  
WO/2007/109676A3
The invention provides a metal alloy fuel catalyst for decontaminating a hydrocarbon fuel, including diesel and bio-diesel fuel, of a bacterial contamination. The metal alloy fuel catalysts preferably includes about 70% Sn, about 22% Sb,...  
WO/2007/109676A2
The invention provides a metal alloy fuel catalyst for decontaminating a hydrocarbon fuel, including diesel and bio-diesel fuel, of a bacterial contamination. The metal alloy fuel catalysts preferably includes about 70% Sn, about 22% Sb,...  
WO/2007/106775A1
The invention relates to a method of removing contaminants from a hydroprocessing feed stream. More specifically, the invention relates to a method of removing contaminants from a hydroprocessing feed stream which originates in a Fischer...  
WO/2007/092733A1
The invention provides a process for desalting crude by combining water and raw crude oil in a mixer to produce a mixture. Desalted crude oil and a brine mixture are separated from the mixture. The water is obtained as a byproduct of a F...  
WO/2007/089288A3
A system (600) for producing an auxiliary fuel stream (616) containing low concentration ofsulfur compounds from a primary fuel stream (610) includes a first separation stage (604) to separate a portion of a primary fuel stream (610) int...  
WO/2007/075111A1
The invention refers to the field of petrochemical industry, namely, to the production of various hydrocarbon fractions with the maximum recovery of light fractions in the course of primary treatment. The method of oil and/or oil product...  
WO/2007/072005A1
The present invention provides a process for the treatment of crude oil or aged crude oil residue comprising the steps of (a) contacting the oil or residue with a phenol resin and with a diluent, to provide a diluted phenol resin treated...  
WO/2007/065107A2
Naphthenic acid solids and/or emulsions can be inhibited by introducing an additive to crude oil prior to or concurrent with the deprotonation of the naphthenic acids present in the crude oil. The additives may be surfactants and can be ...  
WO/2007/058749A1
The invention relates to an improved membrane pervaporation and vapor permeation system in which the vacuum is produced by a fluid passing through a Venturi-type nozzle. The fluid is chosen from solvents that have little or no affinity f...  
WO/2007/027448A3
Carbonyl species contamination of liquid hydrocarbon media and corrosion of metal surfaces in contact with such media are inhibited. A high boiling point primary or secondary amine is added to the desired liquid hydrocarbon medium, and i...  
WO/2007/027448A2
Carbonyl species contamination of liquid hydrocarbon media and corrosion of metal surfaces in contact with such media are inhibited. A high boiling point primary or secondary amine is added to the desired liquid hydrocarbon medium, and i...  
WO/2007/015644A1
A method and means for purifying petrochemical products in a circuit circulating such products at a pressure of about 2 to 6 bar, comprising heating the petrochemical product and maintaining the temperature to about 100 °C, passing the ...  
WO/2007/009975A1
The invention relates to a process for reducing the cloud point of a base oil feed having a kinematic viscosity at 100 0C of greater than 10 cSt by separating the molecules inferring the high cloud point from the base oil by (a) depositi...  
WO2006076023A9
The present invention provides a process for producing reagents for a chemical reaction by introducing a fuel containing hydrocarbons into a flash distillation process wherein the fuel is separated into a first component having a lower a...  
WO/2007/005473A3
A process for cracking a hydrocarbon feedstock containing salt and/or particulate matter, wherein said hydrocarbon feedstock containing salt and/or particulate matter is partially desalted, e.g., by passing through a centrifugal separato...  
WO/2007/005473A2
A process for cracking a hydrocarbon feedstock containing salt and/or particulate matter, wherein said hydrocarbon feedstock containing salt and/or particulate matter is partially desalted, e.g., by passing through a centrifugal separato...  
WO2006012296A3
A method for separating water from a Fischer-Tropsch reactor product stream (10) in a cost effective and energy efficient matter which comprises feeding a Fischer-Tropsch product stream ( 10) to a separation membrane (100), preferably a ...  
WO/2006/134397A2
A process and apparatus for heating liquid material, which are particularly suitable for refining waste oil, are disclosed. The process comprises the steps of creating a swirling body of liquid material, such as waste oil, within a react...  
WO/2006/134397A3
A process and apparatus for heating liquid material, which are particularly suitable for refining waste oil, are disclosed. The process comprises the steps of creating a swirling body of liquid material, such as waste oil, within a react...  
WO/2006/133262A2
The disclosed process removes or reduces impurities such as asphaltenes, solids (especially solid fines), sulfur, metals, chlorides, water, salts, and acids from bitumen, oil sands, and crude oils with a wide range of gravities. A crude ...  
WO2005113730A3
Improved crude oil processing is achieved by viscoelastic shearing of crude oil at an elevated temperature. The shearing provides for an enriched light fraction and an enriched heavy fraction that can be more efficiently separated by dis...  
WO/2006/088674A3
A method of augmenting the separation of immiscible heavier and lighter components of an emulsion including the steps of conducting the emulsion into a treatment vessel (10), providing an AC voltage source (46), employing from the source...  
WO/2006/088674A2
A method of augmenting the separation of immiscible heavier and lighter components of an emulsion including the steps of conducting the emulsion into a treatment vessel (10), providing an AC voltage source (46), employing from the source...  
WO/2006/079287A1
A method for removing petroleum acid from acid-containing hydrocarbon oils involves heating the acid-containing hydrocarbon oil to 470-580 degree C, feeding the acid-containing hydrocarbon oil into a reactor, retention for sufficient tim...  
WO/2006/076023A3
The present invention provides a process for producing reagents for a chemical reaction by introducing a fuel containing hydrocarbons into a flash distillation process wherein the fuel is separated into a first component having a lower a...  
WO/2006/076023A2
The present invention provides a process for producing reagents for a chemical reaction by introducing a fuel containing hydrocarbons into a flash distillation process wherein the fuel is separated into a first component having a lower a...  
WO/2006/071135A1
The invention relates to a method for the preparation of the polyolefinic bases of synthetic oils by the cationic oligomerization of olefinic feedstock and can be used in the petrochemical industry. A new method for the preparation of th...  
WO/2006/053350A1
The invention provides a process for the removal of contaminants from a high molar mass hydrocarbon stream in hydrocarbon procesing, said method including at least two distinct steps: formation and growth of particles which include conta...  
WO/2006/049673A2
A process for the production of low sulfur, low olefin gasoline wherein a cracked naphtha, such as a full boiling range cracked naphtha, is first separated by fractional distillation into at least two fractions while simultaneously selec...  
WO/2006/040328A1
Process for reducing the cloud point of a base oil having a kinematic viscosity at 100 °C of greater than 10 cSt by separating the molecules inferring the high cloud point from the base oil by means of a membrane separation wherein the ...  
WO/2006/040319A1
Process for reducing the cloud point of a base oil having a kinematic viscosity at 100 °C of greater than 10 cSt by separating the molecules inferring the high cloud point from the base oil by subjecting the base oil to a centrifugal fo...  
WO/2006/040307A1
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, and by re...  
WO/2006/039714A1
The fuel properties of petroleum hydrocarbon waste having an API gravity varying from about 5 to 30 are improved by heating the hydrocarbon to a temperature of about 35 °C to 90 °C and mixing the heated hydrocarbon stream with a suitab...  
WO/2006/032286A1
A method for recovery of petroleum sludge from crude oil in storage units involves: drawing the crude oil from units to be warmed outside through heat exchange, adding chemicals to dissolve the slugge, pumping the warmed crude oil inside...  
WO/2006/012296A2
A method for separating water from a Fischer-Tropsch reactor product stream (10) in a cost effective and energy efficient matter which comprises feeding a Fischer-Tropsch product stream ( 10) to a separation membrane (100), preferably a ...  
WO2004101100A3
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/2006/007241A3
A feed stream (11) containing sour natural gas (i.e. containing hydrogen sulfide) entering the acid gas removal unit (10). The feed stream flows to first heat exchanger (12) for heating before it enters solvent contactor (13). In solvent...  
WO/2006/003525A1
A compact desalting system for use in a process of desalting crude oil comprises a plurality of separation stages. Each separation stage includes a compact electrostatic coalescer (42, 62) for coalescing water droplets carried with the c...  
WO/2005/123608A1
Method and apparatus for treating tar sand grains (102) comprising mineral substrate particles (104) surrounded by a bitumen envelope (106), to recover a bitumen portion and a mineral substrate portion. The tar sand grains (102) are comm...  
WO/2005/113730A2
Improved crude oil processing is achieved by viscoelastic shearing of crude oil at an elevated temperature. The shearing provides for an enriched light fraction and an enriched heavy fraction that can be more efficiently separated by dis...  
WO/2005/111181A1
A process for the purification of spent process oil, which process comprises mixing the process oil with an additive comprising a liquid mixture of a) at least one alkanola-mine, and b) at least one member selected from the group consist...  
WO/2005/103478A1
Disclosed is a fuel filter for removing sulfur containing compounds from an internal combustion fuel stream. In one embodiment, the fuel filter comprises at least one column comprising an adsorbent. In one exemplary embodiment the adsorb...  
WO/2005/100512A1
The invention relates to a process for the purification of crude and apparatus for its implementation. This process comprises a separation into gas and degassed emulsion and separation of the degassed emulsion into water and oil. The inv...  
WO2005019383A3
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/2005/085392A1
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...  

Matches 351 - 400 out of 1,760