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WO/2004/039926A1 |
The invention concerns a process for the removal of sulphur compounds from a hydrocarbon stream, especially a gaseous hydrocarbon gas stream, comprising said sulphur compounds, which process comprises contacting said gas stream with an a...
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WO/2004/035712A1 |
A process for the removal of basic nitrogen compounds from a hydrocarbon stream by contacting said stream with a cationic ion exchange resin or a salt thereof with a transition metal, said metal preferably being selected from copper, iro...
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WO/2004/033367A2 |
Apparatus and processes for the generation of hydrogen from hydrocarbon feeds are provided in which organosulfur compound is removed from the feed. The apparatus and processes are particularly advantageous as smaller scale hydrogen gener...
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WO/2004/030814A1 |
A catalyst adsorbent for the desulfurization of a feed stream, preferably in a fuel cell, wherein the catalyst includes from 30 percent to 80 percent nickel or a nickel compound, from 5 percent to 45 percent silica as a carrier, from 1 p...
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WO/2004/022224A1 |
An adsorbent for removing sulfur compounds, which is capable of efficiently removing various sulfur compounds from a hydrocarbon fuel even at room temperature to a low concentration; a process for efficiently producing hydrogen that can ...
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WO/2004/012835A2 |
The inventive heterogeneous adsorbent comprises a core and at least one external continuous layer. The core of said adsorbent exhibits a volume adsorption capacity which is equal to or higher than 35 % of the volume of the adsorbent, and...
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WO/2004/009735A1 |
Provided is an optimum usage of a desulfurizing agent for liquid hydrocarbons by which the sulfur content of kerosene can be efficiently lowered without the addition of hydrogen and which brings about prolongation in the lifetime of the ...
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WO/2004/005435A1 |
A process is provided for removing sulfur compounds, such as 4, 6 - dimethyldibenzothiophene, etc., out of hydrocarbon fluids, such as middle distillates, cracked gasoline, etc., by passing the sulfur compound-contaminated hydrocarbon fl...
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WO/2004/005434A1 |
A process for reducing the naphthenic acidity of petroleum oils, or their liquid fractions, is described, the process comprising a thermal treatment of the petroleum oils, or their liquid fractions, in the presence of an adsorbent the su...
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WO/2004/000975A1 |
Process for the preparation of medicinal white oil or a technical white oil from a Fischer-Tropsch derived paraffinic distillate bottom product, wherein said bottom product is contacted with a heterogeneous absorbent.
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WO/2003/104357A1 |
A process for removing sulfur compounds from hydrocarbon streams by contacting the hydrocarbon stream, especially a gasoline stream, with an adsorbent material. The adsorbent material is regenerated with hydrogen or a hydrogen/H2S mixture.
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WO/2003/097771A1 |
An desulfurization method for a light oil which comprises a step of removing sulfur compounds in an light oil fraction by the adsorption with an adsorption desulfurization agent comprising a fibrous active carbon provided in an adsorptio...
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WO/2003/091361A2 |
The present invention provides methods of improving the thermal oxidative stability of a distillate fuel which comprise selectively reducing the active concentration in the fuel of N-H containing heterocyclic aromatic compounds in which ...
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WO/2003/091363A1 |
The present invention provides a process for reducing the sulphur content of a liquid hydrocarbon feed comprising organic sulphur species wherein said process comprises a) contacting the liquid hydrocarbon feed comprising organic sulphur...
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WO/2003/087269A1 |
In a desulfurization process for the removal of organosulfur compounds from a hydrocarbon fluid stream (1), such as cracked-gasoline or diesel fuel wherein a bifunctional sorbent system (33) is employed, surface treatment of the bifuncti...
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WO/2003/086608A1 |
A method and apparatus for removing sulfur from a hydrocarbon-containing fluid stream wherein desulfurization is enhanced by improving the contacting of the hydrocarbon-containing fluid stream and sulfur-sorbing solid particulates in a f...
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WO/2003/086621A1 |
Attrition resistant, sorbent compositions for the removal of elemental sulfur and sulfur compounds, such as hydrogen sulfide and organic sulfides, from cracked-gasoline and diesel fuels are prepared by the impregnation of a sorbent suppo...
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WO/2003/084656A1 |
A hydrocarbon desulfurization system employing regenerable solid sorbent particulates in a fluidized bed desulfurization reactor (12) is disclosed. The sulfur laded sorbent particulates are continuously withdrawn from the reactor (12) an...
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WO/2003/078545A2 |
The invention relates to a method for the denitrization of hydrocarbon compounds consisting of basic and/or neutral nitrogenous hydrocarbon compounds, characterized in that the hydrocarbon compounds are brought into contact with a polyme...
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WO/2003/068892A2 |
The invention relates to processes for reducing the sulfur content in hydrocarbon fuels such as gasoline, diesel fuel and jet fuel. The invention provides a method and materials for producing ultra low sulfur content transportation fuels...
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WO/2003/062176A1 |
Sulphided ion exchange resins containing primary or secondary amino groups. They may be obtained by passing a non-aqueous liquid, e.g. a hydrocarbon, feedstock containing elemental sulphur or organic, or inorganic, di-or poly-sulphides t...
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WO/2003/060040A2 |
Methods for producing a substantially paraffinic Fischer-Tropsch product or a blended Fischer Tropsch product comprising a selected oxygenate concentration, and if required, a selected oxygenate concentration of specific individual oxyge...
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WO/2003/053564A1 |
A sorbent composition comprising a reduced-valence promoter and a steam-treated support can be used to desulfurize a hydrocarbon-containing fluid such as cracked-gasoline or diesel fuel.
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WO/2003/053566A1 |
A process is provided for removing sulfur compounds, such as hydrogen sulfide, thiophenes, etc., out of a hydrocarbon fluid, such as gasoline or diesel fuel, by contacting the hydrocarbon fluid with a sorbent, such as zinc oxide, contain...
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WO/2003/054117A1 |
A process for desulfurizing middle distillates by charging a sulfur-containing middle distillate and a hydrogen-containing diluent to a reaction zone in respective amounts and under reaction conditions sufficient to vaporize substantiall...
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WO/2003/054116A1 |
During regeneration of a sulfurized sorbent, the amount of sulfur dioxide in the regeneration zone is controlled to minimize sulfation of the sorbent.
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WO/2003/053579A1 |
A deactivated sorbent composition is reactivated by contacting the deactivated sorbent with a reducing stream under activation conditions sufficient to reduce the amount of sulfates associated with the sorbent composition.
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WO/2003/040266A1 |
There is provided with a process for separating normal paraffins from hydrocarbons of C5-10 using zeolite molecular sieve 5A, which comprises the steps of (a) selective adsorption (b) cocurrent purge (c) countercurrent desorption. The pr...
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WO/2003/033621A2 |
The amount of the adsorbent needed to recover a set quantity of monomethyl branched C¿10? - C¿15? paraffins from a mixture comprising normal paraffins and other nonnormal hydrocarbons such as di-isoparaffins, di-isoolefins, naphthenes ...
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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...
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WO/2003/030448A2 |
A communications node for establishing a plurality of logically distinct communications links running in parallel through the node to one or more remote nodes, comprises an input switch means, an output switch means, a plurality of commu...
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WO/2003/022426A1 |
A sorbent composition comprising a support and reduced-valence iron can be used to desulfurize a hydrocarbon-containing fluid such as cracked-gasoline or diesel fuel.
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WO/2003/020850A2 |
Cu Y and Ag Y zeolites as selective sorbents for desulfurization of liquid fuels. Thiophene and benzene were used as the model system, and vapor phase isotherms were measured. Compared with NaY, CuY and AgY adsorbed significantly larger ...
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WO/2003/018717A1 |
The invention relates to an improvement made to the chemical treatment used to reduce the sulphur content of catalytic gasoline and intermediate crude distillates using at least one filter filled with silica gel. Said improvement consist...
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WO/2003/018718A1 |
The invention concerns a method comprising the following three successive phases: a) contacting the fraction with an adsorbent mass at a temperature ranging between 20 and 60 °C and under absolute pressure higher than 3.10?5¿ Pa, so th...
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WO/2003/016436A1 |
A process for adsorptive desulfurization of gasoline or diesel oil or aromatic lower than C¿12? containing organic sulfide impurities, wherein these feedstocks contact with a amorphous alloy adsorbent comprising nickel as a major active...
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WO/2003/014262A2 |
A fuel processing system is operative to remove substantially all of the sulfur present in a logistic fuel stock supply (4). The fuel stock can be gasoline, diesel fuel, or other like fuels which contain relatively high levels of organic...
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WO2002026356B1 |
A process for the reduction of gaseous sulfur compounds in gaseous streams. The gaseous stream is contacted with a sorber, e.g., zinc oxide, which is capable of sorbing the sulfur compounds under sulfur sorbing conditions. The sorber is ...
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WO/2003/011448A1 |
A fixed bed containing a particulate catalyst or sorbent material (10) subject to operation at high temperature having a shaped boundary member (16) inclined to the direction of fluid flow through the bed that maintains the depth of said...
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WO/2003/012010A2 |
Economical processes are disclosed for the production of fuels of reduced sulfur content from a feedstock, typically derived from natural petroleum, wherein the feedstock is comprised of limited amounts of sulfur-containing organic compo...
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WO/2002/092730A1 |
A four stage process for producing high quality white oils, particularly food or medicinal grade mineral oils from mineral oil distillates. The first reaction stage employs a sulfur resistant hydrotreating catalyst and produces a product...
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WO/2002/092727A2 |
An integrated process for producing a hydrocarbon stream, preferably including predominantly C¿5-20? normal and iso-paraffins, is disclosed. The process involves isolating a C¿4-? stream and, optionally a C¿5+? stream ('natural gas co...
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WO/2002/083818A2 |
The present invention is directed to a method of desulfurization of a sulfur laden hydrocarbon liquid that comprises contacting the liquid with a sponge nickel metal alloy, removing the sulfur free liquid, regeneration of the alloy by co...
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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...
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WO/2002/081047A1 |
The invention relates to a method for eliminating oxygenated organic molecules, such as organic acids and alcohols, which are present in a liquid or gaseous organic effluent. The inventive method is characterised in that the elimination ...
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WO/2002/079349A1 |
A process for decolourising gasoline and for removing from liquid hydrocarbon fuels especially gasoline, at least some of trace impurities selected from the group consisting of indanes, naphthalenes, phenanthrenes, pyrene, alkylbenzenes ...
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WO/2002/070109A1 |
The invention is directed to a process for removal of sulfur compounds from a hydrocarbon source containing them, wherein the hydrocarbon source is to be utilized in a downstream hydrogen production process including a sulfur removal ste...
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WO/2002/068565A1 |
The present invention relates to a method of reproduction of waste oil and an apparatus for reproducing waste oil such as waste cooking oil or animal fat into fuel for diesel engines or boilers. The method of reproduction of waste oil in...
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WO/2002/066578A2 |
The present invention provides a solid adsorbent comprising at least two metals located upon a support wherein at least one first metal is copper and at least one second metal is cerium and a process for reducing the sulphur content of a...
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WO/2002/064703A2 |
The invention provides a method of purifying hydrocarbon streams from metallic impurities which comprises passing the stream through media comprising alumina with relatively minor amounts of calcia and magnesia.
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