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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...
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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 ...
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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 ...
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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 ...
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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...
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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 ...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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WO/1997/014766A1 |
The viscosity of hydrocarbon feeds is reduced from crudes or crude by thermal treatment.
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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...
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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 ...
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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 ...
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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...
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WO/1996/040841A1 |
The invention pertains to the separation of different substances, more specifically, to a method and device for the filtration, degassing and dehydration of, and removal of ageing products from insulation and other petroleum oils. The te...
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WO/1996/033011A1 |
Disclosed are a method and apparatus for conditioning hydrocarbon liquids by applying mechanical vibrations before fractionation. The method involves introducing the liquid into a cavity (1) in a rotating wheel (2), expelling the liquid ...
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WO/1996/028388A1 |
A method for recuperating crude oil from the body of a spill. First, the body of the spill is sprayed at low pressure then the same operation is done at a relatively higher pressure of at least 100 psi. After the dispersant is allowed to...
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WO/1996/025471A1 |
Petroleum acids, e.g., naphthenic acids, are removed from crudes or crude fractions by thermal treatment.
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WO/1996/023853A1 |
High-vacuum oil refinery systems and process are disclosed in this invention. The systems and process enable to carry out vaporization and distillation of oils under the condition of 1 - 10-4 Torr of high vacuum and at the temperature of...
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WO/1996/023854A1 |
An oil reclamation device includes an evaporator head (11) and base (12) and defines an evaporator chamber (6) between them. An upwardly vertical extending heating element (18) is disposed within the evaporator base for heating oil conta...
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WO/1996/022260A2 |
In a process for separating linear from branched hydrocarbons, the feed is brought in contact with a carbon membrane with critical size from 0.39 to 0.55 nm. The isomer with the larger size remains on the feed size. A membrane can be pro...
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WO/1996/005903A1 |
A device for purifying gasoline by separating the paraffins and varnishes that cause air pollution when burned through an internal-combustion engine. The device includes an inlet fitting (1), either a removable cap (2) or a non-removable...
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WO/1995/031516A1 |
The invention relates to a method of separating a multiple phase liquid medium comprising a first liquid phase and a second liquid phase wherein the medium is contacted with a first filter, said filter having been wetted by a wetting age...
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WO/1995/022589A1 |
A process for significantly decreasing the acid sludge settling time in waste oil recovery processes comprising the steps of heating used oil to a high temperature above 725 degrees Fahrenheit (4), cooling the heated oil (6), adding an o...
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WO/1995/014850A1 |
Disclosed is a method and system for recovering energy from low-grade fuels such as industrial, municipal and agricultural waste, low-grade carbonaceous fuels such as lignite and similar solid fuels in which the fuel is comminuted into s...
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WO/1995/008606A1 |
The pervaporative treatment of hydrocarbon feeds which have been exposed to air or oxygen and which contain mixtures of aromatic and non-aromatic hydrocarbons to selectively separate the feed into an aromatics rich stream and a non-aroma...
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