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Matches 601 - 650 out of 1,577

Document Document Title
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/2001/080982A1
A method and apparatus for the dehydration of oils is shown. A water containing oil stream (40) is dehydrated by contacting stream (40) with one side of a defect-free, nonporous membrane (18). The membrane (18) divides a separation chamb...  
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/2001/066225A2
A vapour/liquid separator comprising: a vessel having an inlet for receiving a vapour/liquid mixture; a hub located within the vessel at a position below the inlet wherein the hub supports a plurality of vane elements at its near end for...  
WO/2001/062878A1
According to the present invention, there is provided an ultrasonically operated liquid fuel modifying device for applying an ultrasonic wave to liquid fuel having high viscosity and poor quality, and modifying it into good emulsified oi...  
WO/2001/060949A1
Process for purifying a liquid hydrocarbon fuel comprising 5 % by weight or less of high molecular weight contaminants, wherein the fuel is contacted with a hydrophobic non-porous or nano-filtration membrane and the purified product stre...  
WO/2001/060771A1
Process for purifying a liquid hydrocarbon product comprising 5% by weight or less of high molecular weight contaminants having a molecular weight of at least 1000, wherein the product stream is contacted with a hydrophobic non-porous or...  
WO/2001/034266A1
A method, of separating oil, water and solids from oily feeds in the form of emulsions and muds is described, in which the feed has first been conditioned through pH regulation in a known manner in order to destabilise it, where the feed...  
WO/2001/017664A1
Process for recovering olefins from gas mixtures containing the paraffin having the same number of carbon atoms. A carbon membrane is provided in the form of hollow fibres and a membrane module is formed. The pores of the membrane are ta...  
WO/2001/003514A1
A method of reducing solids buildup in hydrocarbon streams produced from wells is disclosed wherein a treatment loop (10) rapidly cools, mixes, or changes the pressure of an incoming fluid stream (16) while an auxiliary pressure driven d...  
WO/2001/000751A1
A catalytic conversion process for reducing olefin, sulfur and nitrogen contents in gasoline. The pre-heated gasoline material is contacted with catalyst with the amount of carbon deposition $m(F) 2.0 wt% and temperature of below 600 °C...  
WO/2000/075263A1
Process to separate propene from gaseous fluid catalytic cracking products by performing the following steps: a) separating a feed mixture comprising the gaseous products, propene and other saturated and unsaturated hydrocarbons obtained...  
WO/2000/072948A1
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 (40) of concern with one side of...  
WO2000006526A9
Selectively permeable separation of aromatic hydrocarbons from non-aromatic hydrocarbons in a feed stream is accomplished using improved asymmetric membranes. The preferred membranes are fashioned from a polyimide and conditioned with a ...  
WO/2000/063320A1
The vaporized fraction is passed via line (11) to soaker drum (2) which is maintained at effective conditions so that the highest boiling materials are condensed out. Typically these conditions will include controlled quenching of vapor ...  
WO/2000/061705A1
The present invention is directed to the upgrading of heavy hydrocarbon feedstock that utilizes a short residence pyrolytic reactor operating under conditions that cracks and chemically upgrades the feedstock. The process of the present ...  
WO/2000/050540A1
The invention is directed towards a process for desalting crude oil that requires less wash water than conventional desalting methods. In the preferred embodiment of the invention, a chemical demulsifier formulation comprising an emulsio...  
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/2000/039251A1
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...  
WO/2000/037590A1
A process for producing upgraded diesel fuel includes blending reclaimed used oil including a certain amount of hydraulic oil with a fuel oil to give a composition offering improved fuel efficiency over diesel fuels purchased at the pump.  
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/2000/006293A1
Symmetric hyperfiltration membranes and their method of prepara tion and use are disclosed. The membranes are fashioned from polyimides and conditioned with a lubricating oil. Permselective separation of aromatic hydrocarbons from non-ar...  
WO/2000/001785A1
Disclosed are methods and compositions for inhibiting corrosion in the overhead of a crude unit distillation tower by washing the crude oil with water containing a hydrophilic, polymeric, nitrogenous base, a di- or multivalent metallic b...  
WO/1999/057229A1
A three stage hydroprocessing process includes two liquid and one vapor reaction stages, both of which produce an effluent comprising liquid and vapor. Both vapor effluents comprise vaporized hydrocarbonaceous material. Fresh hydrogen is...  
WO/1999/055810A1
The invention is directed to a process of reducing the chlorine content of oil as well as its propensity to foul during subsequent distillation processes. The process heats the oil to a temperature in the range of 400 to 700 °F and cont...  
WO/1999/043767A1
A method for processing crude oil, characterized by comprising allowing crude oil to permeate through a membrane by immersing a membrane module in the crude oil in a processing tank and pressurizing the crude oil or by subjecting the cru...  
WO/1999/027035A1
A method of distilling a crude oil and a contamined liquid stream in an atmospheric distillation column (2) comprising the steps of (a) heating (13, 15) the crude oil at atmospheric pressure and introducing the heated crude oil into the ...  
WO/1999/025497A1
Refinery waste feedstock is screened in a screen (14) to remove large particles and is diluted to less than 5 % solids weight percent to form a first slurry which is agitated and heated to 180 degrees Fahrenheit in a conditioning vessel ...  
WO/1999/010452A1
TAN containing oils, e.g., crudes, are treated by flashing to remove substantially all of the water therefrom, thermally treating the recovered liquid to reduce the naphthenic acid content thereof, and re-combining light gases recovered ...  
WO/1999/004898A1
Fluids are treated to remove undesirable chemical species such as sulphur by bringing the fluid into contact with an adsorbent (10) having a crystal structure, such as an SbSn intermetallic; neucleophilic polar heads (13) are attracted t...  
WO/1999/003951A1
A residuum feedstock is upgraded in a short vapor contact time thermal process unit (11) comprised of a horizontal moving bed of fluidized hot particles and is then fed to a fluid catalytic cracking reactor (17). Hot flue gases from the ...  
WO/1998/055564A1
According to the invention, liquid residual oil from processing crude oil, natural bitumen or oil sand is mixed in a mixer with hot coke as a heat carrier (heat-carrier coke) whereby 60 to 90 weight per cent of the residual oil is evapor...  
WO/1998/050128A1
A new and improved two-stage oil bypass filter device (10) is provided to enable effective and efficient removal of both solid particulate and volatile oil contaminants while also allowing the addition and mixing of certain oil additives...  
WO/1998/046337A1
The invention concerns a method for tangential filtration of a viscous fluid or liquid which consists in dissolving a third body in supercritical state in said viscous fluid or liquid so as to lower the viscosity. The invention also conc...  
WO/1998/037991A1
Friable solid material contaminated by oxidizable hydrocarbons such as petrochemicals is delivered into a system wherein the material is subjected to a series of physical and chemical reactions to separate the contaminants from the solid...  
WO/1998/017744A1
Fuels and lubricants are purified by contacting and mixing each with water, heating the mixtures, and then separating the lubricants and fuels from the water. The resulting lubricants and fuels have reduced amounts of contaminants as com...  
WO/1998/014535A1
Sulfur species present in cracked naphtha (1) are converted and removed by first passing the naphtha (1) over an acid catalyst in an alkylation reactor (4) to alkylate the thiophenic compounds in the naphtha using the olefins, i.e., mono...  
WO/1998/013441A1
A method and apparatus for removing volatile sulphur containing compounds from a body of liquid hydrocarbons stored in a closed vessel such as an oil tanker cargo hold or a land base facility. A gas such as nitrogen or engine exhaust gas...  
WO/1998/004653A1
The method consists in that during an exposition of a heavy hydrocarbon raw material to ionizing radiation, said heavy hydrocarbon raw material is exposed simultaneously to accelerated particles in the amount of at least one positively a...  
WO/1997/044121A1
Provided is a membrane separation method for separating a first component (106) from a second component (108) in a fluid mixture (102). The method is particularly useful for separating a more highly unsaturated organic compound from a le...  
WO/1997/035945A2
A process for purifying a liquid hydrocarbon feedstock containing organo-sulfur compounds wherein an aqueous sulfuric acid solution containing ions of a transition metal, such as vanadium, chromium, manganese, cobalt, cerium or mixtures ...  
WO/1997/031693A1
The present invention relates to a method for separating liquid from a slurry (10) of solid particles and liquid contained in a vessel (1) in the presence of a gas, which comprises degasifying (12) the slurry and passing the degasified s...  
WO/1997/029169A1
A process for desalting a crude oil comprises (1) injecting steam into the oil to form a steam-injected oil; (2) adding water to the steam-injected oil to form a mixture; (3) introducing the mixture to a desalter; (4) inducing the format...  
WO/1997/025390A1
A delayed coking process in which a flash zone gas oil stream from the bottom of the coker fractionator (18) is upgraded by removing suspended solids using filter (30) and then hydroprocessing the stream to make it more attractive as a f...  
WO/1997/022469A1
An improved oxygen scavenging composition and packaging container formed therefrom is disclosed. The container is suitable for storage of oxygen sensitive materials and has as part of its exposed interior surface a composition composed o...  
WO/1997/014766A1
The viscosity of hydrocarbon feeds is reduced from crudes or crude by thermal treatment.  
WO/1997/011185A1
The invention relates to the discovery that the rate of reaction of the desulfurization of fossil fuels is enhanced by the addition of an oxidoreductase to the biocatalyst. The invention is drawn to a method for enhancing the rate of des...  
WO/1997/004043A1
A residuum feedstock (10) is upgraded in a short vapor contact time thermal process unit (11) comprised of a horizontal moving bed of fluidized hot particles. The resulting upgraded product (14) is then fed to a fluid catalytic cracking ...  
WO/1997/004042A1
Disclosed are methods for accelerating the settling of finely divided oil and water insoluble solids in hydrocarbon fluids using an effective amount of an alkylphenol ethoxylate compound. Preferably, the hydrocarbon is a fluid catalytic ...  
WO/1996/041070A1
A process for enhancing the fuel form, raising the energy content, and lowering the level of impurities of low rank coals and/or carbonaceous wastes, like Municipal Solid Waste (MSW), Refuse Derived Fuel (RDF), and sewage sludge, by prov...  

Matches 601 - 650 out of 1,577