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WO/2002/074881A1 |
A dendritic process encompassing 1) the con-commitant hydrolysis of esters and amides, 2) the decarboxylatio of the free carboxylic acids, and 3) the reductive scission of carbon-carbon carbon-nitrogen and carbon-sulfur bonds in long cha...
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WO/2002/072735A2 |
The instant invention is directed to a process for decreasing the amount of acids contained in oils by forming a water-in-oil emulsion and utilizing solids.
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WO/2002/072734A2 |
The invention describes a method for decreasing the viscosity of crude oils and residuum utilizing a combination of acid and sonic treatment.
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WO/2002/072732A1 |
The present invention encompasses a process for producing synthethic hydrocarbon products in a reactor. The focus of the present invention is on a novel filtering system for separating synthetic hydrocarbon products from catalyst within ...
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WO/2002/068568A2 |
A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membr...
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WO/2002/064529A1 |
Methods for the separation of sulfur compounds from a liquid hydrocarbon mixture using a hydrophilic, non-ionic membrane are provided. The membrane can also be composed of water-soluble material. Preferred membranes include polyvinylpyrr...
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WO/2002/061016A1 |
A process for removing sulfur from a hydrocarbon employs a solid membrane (20). A feed stream is provided containing a feed liquid hydrocarbon and a feed sulfur species and a sweep stream is provided containing a sweep liquid hydrocarbon...
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WO/2002/053253A1 |
A process for the separation of sulfur compounds from a hydrocarbon mixture using a membrane is provided. Preferred hydrocarbon mixtures are oil refining fractions such as light cracked naphtha. Membranes are composed of either ionic or ...
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WO/2002/053682A1 |
Methods for the separation of sulfur compounds from a hydrocarbon mixture using an ionic membrane are provided. Preferred ionic membranes are Nafion®-type (polymers of perfluorosulfonic acid) membranes and derivatives thereof. Preferred...
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WO/2002/050212A2 |
A process for separating a polar solvent from an organic acid and/or a neutralization salt thereof, said process comprising: feeding a stream comprising a polar solvent and an organic acid and/or a neutralization salt thereof to a select...
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WO/2002/034702A1 |
An integrated process for producing a liquid hydrocarbon stream from Fischer-Tropsch hydrocarbon product without having to remove particulate contaminants such as catalyst fines from hot Fischer-Tropsch wax is disclosed. The process invo...
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WO/2002/026914A2 |
Tire pyrolysis systems and processes are provided which include feeding tire shreds to a pyrolysis vessel (40) and pyrolyzing the shreds in a pyrolysis vessel (40) to produce a pyrolysis gas and carbon black mixture. The pyrolysis gas pr...
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WO/2001/090283A1 |
Used Motor Oil (UMO) is reprocessed by vaporization and partial condensation. The UMO vapor fraction from the thermal reactor (10) may contain gasoline and chlorinated solvents, and will contain vaporized lubricating oil boiling range co...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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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