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WO/2001/062871A1 |
A fuel processing method which is operable to remove substantially all of the sulfur present in an undiluted oxygenated hydrocarbon fuel stock supply which contains an oxygenate and which is used to power an internal combustion engine (1...
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WO/2001/060950A1 |
Desulphurisation of a hydrocarbon feedstock by subjecting a portion of said feedstock to a pre-treatment step of partial oxidation, optionally in the presence of a catalyst, or adiabatic low temperature catalytic steam reforming, thereby...
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WO/2001/053431A1 |
The present invention is a process to remove a +2 ionic charged, organically bound metal from a petroleum feed. The process includes contacting feed with aqueous carbon dioxide in the essential absence for emulsion formation.
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WO/2001/049408A1 |
The invention provides media for absorption of phosphate and metal contaminants from a hydrocarbon stream and a method of making such media. The media comprise alumina with relatively minor amounts of calcia and magnesia and are made by ...
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WO/2001/046341A1 |
A fuel processing method is disclosed which is operable to remove substantially all of the sulfur present in an undiluted oxygenated hydrocarbon fuel stock which contains an oxygenate and which is used to power a fuel cell power plant in...
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WO/2001/044407A1 |
Novel sorbent systems for the desulfurization of cracked-gasoline are provided which are comprised of a bimetallic promotor on a particulate support such as that formed of zinc oxide and an inorganic or organic carrier. Such bimetallic p...
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WO/2001/037994A2 |
The present invention is directed to ex situ phosphorus-activated crystalline porous silicates such as layered silicates and microporous silicates, processes for said ex situ phosphorus activation, catalyst compositions containing said e...
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WO/2001/032805A1 |
Particulate sorbent compositions comprising zinc titanate support having thereon a substantially reduced valence promoter metal selected from the group consisting of cobalt, nickel, iron, manganese, copper, molybdenum, tungsten, silver, ...
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WO/2001/032304A1 |
Particulate sorbent compositions which are suitable for the removal of sulfur from streams of cracked-gasoline or diesel fuel are provided which have increased porosity, improved resistance to deactivation through the addition of a calci...
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WO/2001/014051A1 |
Particulate sorbent compositions comprising a mixture of zinc oxide, silica, alumina and a substantially reduced valence cobalt are provided for the desulfurization of a feedstream of cracked-gasoline or diesel fuels in a desulfurization...
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WO/2001/014052A1 |
Particulate sorbent compositions comprising a mixture of zinc oxide, silica, alumina and a substantially reduced valence nickel are provided for the desulfurization of a feedstrean of cracked-gasoline or diesel fuels in a desulfurization...
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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/2000/069991A1 |
The present invention relates to the removal of mercury and other heavy metals from a hydrocarbon feedstream. The process involves contacting the hydrocarbon feedstream with a feedstream-soluble sulfur compound and then contacting the hy...
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WO/2000/068341A1 |
The invention is a process for decreasing the acidity of an organic acid containing petroleum oil, comprising contacting said petroleum oil containing organic acids with an effective amount of an alcohol and an effective trace amount of ...
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WO/2000/066263A1 |
There is provided a zeolite bound zeolite catalyst which does not contain significant amount of non-zeolitic binder and can be tailored to optimize its performance and a process for converting hydrocarbons utilizing the zeolite bound zeo...
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WO/2000/066521A1 |
A process by which aromatic hydrocarbons containing difficultly distillation-separable impurities such as sulfur compounds and/or nitrogen compounds can be highly purified. This process is characterized by reacting a crude aromatic hydro...
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WO/2000/048733A1 |
A method for producing a desulfurizing agent characterized in that it comprises admixing a mixed aqueous solution containing a copper compound and a zinc compound with an alkaline aqueous solution to thereby form a precipitate, calcining...
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WO/2000/044489A1 |
A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture (118) by first passing the hydrocarbon mixture (118) to an eductor (120) and educting into the hydrocarbon mixture a catal...
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WO/2000/039252A1 |
A fuel processing system is disclosed that is operable to remove substantially all of the sulfur present in gasoline or diesel fuel used for operating an internal combustion engine. The fuel supply (6) is passed through a nickel reactant...
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WO/2000/039253A1 |
A process of increasing the cetane index of a distillate pool comprising contacting a first refinery-grade feedstream of an aromatic compounds-containing heavy gasoline or distillate fuel feedstream with a second refinery-grade feedstrea...
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WO/2000/037589A1 |
The invention relates to a process for demetallating a petroleum stream by contacting a metals-containing petroleum feed in the presence of a base selected from Group IA and IIA hydroxides and carbonates and ammonium hydroxide and carbon...
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WO/2000/037588A1 |
The present invention relates to a process for demetallating a petroleum stream by contacting a metals-containing petroleum feed in the presence of an aqueous base selected from Group IA and IIA hydroxides and carbonates and ammonium hyd...
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WO/2000/021662A1 |
The invention pertains to a process for preparing an activated catalyst, to the activated catalyst composition and the use thereof in the conversion of hydrocarbon feedstocks, such as isomerisation. The catalyst composition comprising a ...
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WO/2000/020533A1 |
The present invention relates to a process for reducing the acidity of a petroleum oil containing organic acids comprising treating said petroleum oil containing organic acids with an effective amount of an alcohol at a temperature and u...
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WO/2000/020532A1 |
The present invention relates to a process for reducing the acidity of a petroleum oil containing organic acids comprising treating said petroleum oil containing organic acids whith an effective amount of an alcohol at a temperature and ...
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WO/2000/014182A2 |
A product of reduced sulfur content is produced from a feedstock which is comprised of a mixture of hydrocarbons and includes sulfur-containing aromatic compounds as unwanted impurities. The process involves separating the feedstock by f...
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WO/2000/014181A1 |
A product of reduced sulfur content is produced in a multiple stage process from a feedstock which is comprised of a mixture of hydrocarbons and includes sulfur-containing aromatic compounds as unwanted impurities. The first stage involv...
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WO/2000/005326A1 |
The invention is directed to a process for the hydrogenation of a sulfur containing feedstock, having a sulfur content of less than 50 ppm, wherein the feedstock is hydrogenated in the presence of a precious metal catalyst and a nickel-c...
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WO/1999/067018A1 |
A fuel processing system is operable to remove substantially all of the sulfur present in an undiluted hydrocarbon fuel stock supply used to power a fuel cell power plant in a mobile environment, such as an automobile, bus, truck, boat, ...
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WO/1999/061554A1 |
Sulfur-containing carbonaceous materials are desulfurized by reaction with a mixture of an oxidizing agent and a carbonyl compound under alkaline conditions at a temperature ranging from ambient temperature to about 250 °F and a pressur...
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WO/1999/050375A1 |
The instant invention is directed to a process for extracting organic acids from a starting crude oil comprising the steps of: (a) treating the starting crude oil containing naphthenic acids with an amount of an alkoxylated amine and wat...
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WO/1999/050376A1 |
The instant invention is directed to a process for extracting organic acids including naphthenic acids, heavy metals, and sulfur from a starting crude oil comprising the steps of: (a) treating the starting crude oil containing organic ac...
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WO/1999/049001A1 |
The present invention comprises a composition for reducing the sulphur content in a hydrocarbon composition, wherein the composition comprises a hydrotalcite material, which has been impregnated with a Lewis acid, and optionally an FCC-c...
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WO/1999/043766A1 |
A method for upgrading an oil stream containing naphthenic acid and sulfur contaminants which comprises, adding an alkaline earth oxide to the oil stream to form a mixture wherein said alkaline earth oxide is added at an effective amount...
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WO/1999/038937A1 |
The invention discloses a process for the desulfurization of petroleum products by contacting with acidic organic polymers. Preferably, highly fluorinated and, most preferably, perfluorinated acidic polymers are used.
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WO/1999/038936A1 |
Bromine reactive hydrocarbon contaminants are removed from aromatic streams by first providing an aromatic feedstream having a negligible diene level. The feedstream is contacted with an acid active catalyst composition under conditions ...
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WO/1999/031200A1 |
A method to improve the flow properties of wax containing crude oils and natural gas liquids which contain a natural pour point depressant by adding a synthetic pour point depressant at a higher temperature than 20 °C below the inversio...
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WO/1999/010451A1 |
The invention comprises a method for reducing the amount of carboxylic acids in petroleum feeds comprising the steps of (a) adding to said petroleum feed a catalytic agent comprising an oil soluble or oil dispersible compound of a metal ...
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WO/1999/009117A1 |
A product of reduced sulfur content is produced from a feedstock which is comprised of a mixture of hydrocarbons and contains organic sulfur compounds as unwanted impurities. The process comprises converting at least a portion of the sul...
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WO/1999/001524A1 |
The present invention provides a method of separating benzene from a hydrocarbon mixture comprising providing a mixture comprising benzene and at least one other hydrocarbon, treating said mixture with at least one cyclodextrin in an amo...
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WO/1998/056875A1 |
The invention concerns a method for separating at least a benzothiophene compound from a hydrocarbon mixture, for instance gas oil, consisting in: (a) contacting said mixture or a fraction obtained therefrom, with a reagent comprising an...
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WO/1998/053029A1 |
Low sulfur gasoline is produced from an olefinic, cracked, sulfur-containing naphtha by treatment over an acidic catalyst, preferably an intermediate pore size zeolite such as ZSM-5 to crack low octane paraffins and olefins under mild co...
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WO/1998/051648A1 |
A process for the alkylation of benzene contained in a mixed refinery stream is disclosed wherein the refinery stream (2) is first subjected to hydrogenation (14) of higher olefins prior to alkylation (12) to the benzene with selected ty...
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WO/1998/050135A1 |
The present invention generally provides sulfide scavenger solutions and processes that have high sulfide scavenging capacity, provide a reduction or elimination of solids formation and avoid the use of chemicals that pose environmental ...
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WO/1998/032720A1 |
A process wherein an FCCU off gas (104) is treated by first subjecting the off gas (104) to an alkylation zone (12a, 12b) with a heavy reformate (102) to remove the propylene and contaminants after which the gas is separated from the ref...
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WO/1998/030655A1 |
A product of reduced sulfur content is produced from a feedstock which is comprised of a mixture of hydrocarbons and contains organic sulfur compounds as unwanted impurities. The process comprises converting at least a portion of the sul...
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WO/1998/019774A1 |
Scavenger compositions and methods for reducing the level of sulfide impurities present in a fluid stream. The method includes contacting the stream with a composition comprising the reaction product of an aldehyde and a aminoethylpipera...
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WO/1998/016468A1 |
A process for converting hydrocarbons by contacting a hydrocarbon feedstream under hydrocarbon conversion conditions with a large crystal zeolite catalyst. The large crystal zeolite of the catalyst used in the hydrocarbon conversion proc...
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WO/1998/014534A1 |
The present invention is a process to remove a +2 ionic charged metal from a petroleum feed. The process includes contacting feed with carbon dioxide at a temperature between 40 �C and 200 �C and autogenous pressure. In a preferred e...
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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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