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Patent Searching and Data


Matches 401 - 450 out of 1,688

Document Document Title
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/2004/007645A1
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/2004/005436A1
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...  
WO2003087263A3
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...  
WO2003033626A3
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/2003/093398A1
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...  
WO2003029385A3
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/2003/087263A2
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...  
WO2002055171A3
The present invention is a process and an apparatus for separating at least two resolvable liquids while concurrently reducing rag phase development and stabilizing rag phase volume and location during the separation. In a process where ...  
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...  
WO2001060771A8
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/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...  
WO2002068568A3
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...  
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...  
WO2002050212A3
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...  
WO2002072735A3
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.  
WO/2003/018719A1
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 of concern with one side of a se...  
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...  
WO/2003/006404A1
A hydrocarbon wax product from a hydrocarbon synthesis slurry comprising liquid synthesis product and catalyst particles is purified by introducing a portion of hydrocarbon synthesis slurry from a hydrocarbon synthesis zone to a treatmen...  
WO/2003/006579A1
In an embodiment, the invention relates to a method for reducing coke in agglomeration in petroleum streams derived form coking processes. In a preferred embodiment, the invention relates to a method for mitigating filter fouling in a co...  
WO2002072734A3
The invention describes a method for decreasing the viscosity of crude oils and residuum utilizing a combination of acid and sonic treatment.  
WO/2002/102717A1
Method and apparatus for treating a mixture of mineral substrate particles and hydrocarbon compounds, especially tarsands and contaminated soils, to recover a hydrocarbon portion and a cleaned substrate portion. Rock, sand, ore, or soil ...  
WO/2002/096840A1
A process for filtering a suspension comprising a particulate Fischer-Tropsch catalyst suspended in liquid hydrocarbons and having synthesis gas dispersed therein in the form of gas bubbles and/or irregularly shaped gas voids which proce...  
WO/2002/092192A1
The present invention provides a filter apparatus for use in removing impurities and acids contained in a fluid that includes a particulate filter (10) and an acid-neutralizing filter (20). The particulate filter (10) and the acid-neutra...  
WO2002061016A8
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...  
WO/2002/088278A1
A filter medium for liquid fuels and a filter device comprise at least one porous layer of a titanium-base component and at least one layer of a copper-base component having a higher normal electrode potential compared with that of titan...  
WO/2002/086021A1
Potassium formate is used together with a sulfide scavenger to remove and otherwise treat sulfhydryl compounds such as hydrogen sulfide present in hydrocarbons and aqueous substrates.  
WO2002055171A9
The present invention is a process and an apparatus for separating at least two resolvable liquids while concurrently reducing rag phase development and stabilizing rag phase volume and location during the separation. In a process where ...  
WO/2002/081597A1
A method and a device for separating sulfuric compound contained in oil; the method, comprising the step of feeding fog oil into an ozone atmosphere to perform a treatment for catalytic reaction to ozone so as to oxidize the sulfuric com...  
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...  
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.  
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.  
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 ...  
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...  
WO2002026914A3
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...  
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...  
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...  
WO/2002/055171A2
The present invention is a process and an apparatus for separating at least two resolvable liquids while concurrently reducing rag phase development and stabilizing rag phase volume and location during the separation. In a process where ...  
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 ...  
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...  
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...  
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...  

Matches 401 - 450 out of 1,688