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| Number | Title | Issue Date |
| 7985331 | Method for eliminating the carbonyl sulfide contained in a liquid hydrocarbon stream The liquid hydrocarbon stream including COS is introduced via line 1 into membrane contactor CM to be placed in contact, through membrane M, with the aqueous alkanolamine solution arriving via line 3. The COS contained in the hydrocarbon stream is abso... | 07/26/2011 |
| 7947166 | Method for desulfurizing hydrocarbon fractions from steam cracking effluents The present invention relates to a method for treating a feed corresponding to a pyrolysis gasoline, comprising: a) at least one stage of selective hydrogenation of the feed, referred to as HD1, b) fractionating in... | 05/24/2011 |
| 7914669 | Reactive extraction of sulfur compounds from hydrocarbon streams A process to substantially reduce the sulfur content of a liquid hydrocarbon stream by contacting the hydrocarbon stream with an aqueous stream containing a mixture of one or more extraction agents selected from hypochlorites, cyanurates and alkali metal and alkalin... | 03/29/2011 |
| 7837862 | Method for removing sulfur or other contaminant species from hydrocarbon fuels or other fuels Fuel is desulfurized with a rapid cycle desulfurization-regeneration method and apparatus. Regeneratable mass separating agents, including metals supported on high surface area materials, are used in a plurality of beds that are rotated into, through, and out of a d... | 11/23/2010 |
| 7837861 | Process for benzene reduction and sulfur removal from FCC naphthas A process for the removal of sulfur compounds and benzene of a catalytically cracked petroleum naphtha comprising benzene, organic sulfur compounds and olefins, by fractionating the cracked naphtha into a relatively low boiling range, olefinic, light catalytic napht... | 11/23/2010 |
| 7744748 | Process for desulphurizing a hydrocarbon feed by adsorption/desorption A process for reducing the quantity of sulphur present in a hydrocarbon feed such as a gasoline or a gas oil, comprises: d) bringing said feed containing sulphur-containing compounds into contact with an adsorbent having a selectiv... | 06/29/2010 |
| 7731836 | Process for the desulfurization of gasolines comprising a desulfurization by adsorption of the light fraction and a hydrodesulfurization of the heavy fraction The invention relates to a process for the desulfurization of gasolines comprising a stage for fractionation of said gasoline into a light fraction that comprises thiophenic compounds such as thiophene or methylthiophenes, and a heavy fraction that concentrates the ... | 06/08/2010 |
| 7731837 | Oxidatively regenerable adsorbents for sulfur removal Compositions and processes are disclosed for removing sulfur and sulfur compounds from hydrocarbon fuel feedstocks. The feedstock is contacted with a regenerable sorbent such as a compound of the formula TixCeyO2 where 0 | 06/08/2010 |
| 7686947 | Hydrotreating catalyst, process for its preparation and its use in a process for the purification of hydrocarbons The invention relates to a process for hydrotreatment of a hydrocarbon feedstock, comprising the step of carrying out in situ or ex situ sulfurization of a catalyst and hydrotreating the hydrocarbon feedstock in the presence of the catalyst wherein at least one sulf... | 03/30/2010 |
| 7678263 | Gas stripping process for removal of sulfur-containing components from crude oil High rate gas stripping for removal of sulfur-containing components such as mercaptans from crude oil may be conducted by feeding sweet gas to the bottom of a tower containing pre-heated mercaptan-containing crude oil feed. The gas bubbles up through the crude becom... | 03/16/2010 |
| 7666297 | Oxidative desulfurization and denitrogenation of petroleum oils An improved oxidative process that employ a robust, non-aqueous, and oil-soluble organic peroxide oxidant for effective desulfurization and denitrogenation of hydrocarbons including petroleum fuels, hydrotreated vacuum gas oil (VGO), non-hydrotreated VGO, petroleum ... | 02/23/2010 |
| 7651605 | Process of hydrotreating heavy hydrocarbon oil When a heavy fuel oil with a sulfur content of 1 percent by mass or lower is produced from a feedstock consisting of a heavy hydrocarbon oil derived from a heavy crude oil having an API degree of 30 or less and containing sulfur and metal components in amounts large... | 01/26/2010 |
| 7638041 | Process for treating cracked naphtha streams A selected boiling range fluid catalytically cracked naphtha stream is subjected to simultaneous splitting, thioetherification of a light boiling range naphtha and selective hydrogenation of the dienes in a medium boiling range naphtha. ... | 12/29/2009 |
| 7635424 | Method of capturing mercaptans contained in a natural gas by concentration The mercaptan-laden natural gas is contacted with a mercaptan-adsorbing sieve T1. The mercaptan-rich gaseous effluent obtained upon regeneration of sieve T2 is then contacted with an olefin-containing liquid feed in the presence of an acid catalyst. Un... | 12/22/2009 |
| 7625482 | Nanoparticulate-catalyzed oxygen transfer processes Nanoparticulates of oxygen transfer materials that are oxides of rare earth metals, combinations of rare earth metals, and combinations of transition metals and rare earth metals are used as catalysts in a variety of processes. Unexpectedly large thermal efficiencie... | 12/01/2009 |
| 7615145 | One-pot process for the reduction of sulfur, nitrogen and the production of useful oxygenates from hydrocarbon materials via one-pot selective oxidation The present invention relates to a process of reducing sulfur- or nitrogen-containing compounds and producing oxygenates, and in particular to a one-pot process of reducing sulfur- or nitrogen-containing compounds and also producing oxygenates in the presence of a h... | 11/10/2009 |
| 7591943 | Process for the reduction of sulfur, nitrogen and the production of useful oxygenates from hydrocarbon materials via one-pot selective oxidation The present invention relates to a process of reducing sulfur- or nitrogen-containing compounds and also producing oxygenates, which can be used as an excellent octane booster in the reformulated gasoline and as a cetane booster for the future oxygenated diesel in a... | 09/22/2009 |
| 7566393 | Method of sorbing sulfur compounds using nanocrystalline mesoporous metal oxides Compounds and methods for sorbing organosulfur compounds from fluids are provided. Generally, compounds according to the present invention comprise mesoporous, nanocrystalline metal oxides. Preferred metal oxide compounds either exhibit soft Lewis acid properties or... | 07/28/2009 |
| 7510648 | Method for desulfurization of liquid hydrocarbons and process for production of hydrogen for fuel cells The invention provides an optimum method for utilizing a desulfurizing agent for liquid hydrocarbons which can efficiently remove sulfur content from kerosene without performing addition of hydrogen to a low sulfur concentration and which has a prolonged lifetime. | 03/31/2009 |
| 7504022 | Process for desulphurizing gasoline by converting sulphur-containing compounds to higher boiling point compounds A process for desulphurizing a gasoline cut containing olefins, sulphur-containing compounds and optionally molecules belonging to C3 and C4 cuts comprises at least a first step A for contacting said gasoline cut with an acidic resin having an acid capacity of more ... | 03/17/2009 |
| 7491317 | Desulfurization in turbulent fluid bed reactor 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 fluidized bed reactor. ... | 02/17/2009 |
| 7491316 | Preparation of components for refinery blending of transportation fuels The process of the present invention involves reducing the sulfur and/or nitrogen content of a distillate feedstock to produce a refinery transportation fuel or blending components for refinery transportation fuel, by contacting the feedstock with an oxygen-containi... | 02/17/2009 |
| 7473349 | Process for removal of sulfur from components for blending of transportation fuels A process is disclosed for removing highly deletenious non-basic nitrogen compounds upstream from an acid catalyzed thiophene alkylation process using adsorbents capable of adsorbing the non-basic nitrogen compounds. ... | 01/06/2009 |
| 7445702 | Desulphurisation Propane and/or butanes are separated from a hydrocarbon feedstock contaminated with alkyl mercaptans by fractional distillation at such a pressure that the separated overheads stream containing said propane and/or butanes is at a temperature in the range 50 to 100°... | 11/04/2008 |
| 7442290 | Mesoporous aluminum oxide, preparation and use thereof Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Optionally, some of the aluminum can be framework-substituted by one or more other elements. The material has high the... | 10/28/2008 |
| 7438877 | Fast, high capacity hydrogen sulfide scavengers Selective, irreversible removal of hydrogen sulfide (H2S) and other sulfhydryl compounds from a gas stream, such as sour natural gas and sour hydrocarbon liquids is achieved with a scavenging agent having hydroxyalkyl functionality and alkylamine function... | 10/21/2008 |
| 7438798 | Method for removing sulfur compounds from gasoline or diesel fuel using molecularly imprinted polymers A method and product for removing sulfur compound molecules from gasoline or diesel fuel includes exposing the gasoline or diesel fuel to a plurality of molecularly imprinted polymer beads (MIPS) that have receptor sites on the surfaces thereof that include imprints... | 10/21/2008 |
| 7435334 | Process for desulfurization of gasolines The invention relates to a process for the production of a gasoline with a low sulfur content starting from an initial gasoline that comprises olefins, thiophene compounds and mercaptans and comprises a stage for treating at least one fraction of the initial gasolin... | 10/14/2008 |
| 7435337 | Use of caesium-exchanged faujasite type zeolites for intense desulphurization of a gasoline cut The invention describes the application of caesium-exchanged X, Y or LSX type faujasite zeolites for intense desulphurization of FCC gasoline, and to a method for preparing said zeolites. ... | 10/14/2008 |
| 7435330 | Heavy oil reforming method, an apparatus therefor, and gas turbine power generation system A heavy oil reforming method which reforms a heavy oil to give a fuel suitable for a gas turbine, eliminates sulfur and vanadium, i.e., harmful components, from a heavy oil, and enables almost all the hydrocarbons in the heavy oil to be used in gas turbine combustio... | 10/14/2008 |
| 7431827 | Process for the production of low sulfur, low olefin gasoline A process for the production of low sulfur, low olefin gasoline wherein a cracked naphtha, such as a full boiling range cracked naphtha, is first separated by fractional distillation into at least two fractions while simultaneously selectively hydrogenating the poly... | 10/07/2008 |
| 7423192 | Process and system for blending components obtained from a stream A method and system for blending components obtained from a feed stock. The method includes flowing a first stream through a membrane member, with the membrane member having a first wafer assembly comprising a first thin film polymer membrane, a first permeate zone,... | 09/09/2008 |
| 7416655 | Selective adsorbent material and its use An adsorbent composition comprising a nanostructured titanium oxide material of the formula TiO2-, where 0≦×≦1 with nanotubular and/or nanofibrilar morphology, high oxygen deficiency, having an orthorhombic JT crystalline phase described by at least ... | 08/26/2008 |
| 7390393 | Process for converting heavy petroleum fractions including an ebulliated bed for producing middle distillates with a low sulfur content The invention relates to a process for treating heavy petroleum feedstocks for producing a gas oil fraction that has a sulfur content of less than 50 ppm and most often 10 ppm that includes the following stages: a) ebulliated-bed catalytic hydrocracking, b) separati... | 06/24/2008 |
| 7374666 | Oxidative desulfurization of sulfur-containing hydrocarbons A method for desulfurizing a hydrocarbon stream (10) containing heterocyclic sulfur compounds, which process comprises contacting the heterocyclic sulfur compounds in the gas phase (60) in the presence of oxygen (70) with a supported metal oxide... | 05/20/2008 |
| 7374734 | Absorbing agent and method for eliminating acid gases from fluids The disclosure relates to an absorbent for removing acid gases from fluids. The absorbent contains at least one tertiary amine, an amine which is selected from hydroxyethylpiperazine, bis(hydroxyethylpiperazine) or a mixture of these and piperazine. The absorbent ma... | 05/20/2008 |
| 7371318 | Method and catalysts for the elimination of sulphur compounds from the diesel fraction The invention relates to a process for the elimination of sulphur compounds from the diesel fraction, which is characterized in that an oxidising reaction of said sulphur compound is carried out by using at least an organic-inorganic composite as catalyst, said comp... | 05/13/2008 |
| 7368617 | Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream Acetylenes and dienes in a stream containing hydrogen, methane, C2-C6 olefins and paraffins, C2-C6 acetylenes and dienes, benzene, toluene, xylenes, and other C6+ components are hydrogenated in a downflow boilin... | 05/06/2008 |
| 7361266 | Method of refining petroleum and refining apparatus The present invention is related to a method of subjecting a feed oil to a refining process. This method includes a fractional distillation step 1 in which a feed oil is separated into a distillate oil M1 and a bottom oil M2 by a distillation pr... | 04/22/2008 |
| 7351327 | Process for the selective desulfurization of a mid range gasoline cut A process for concurrently fractionating and treating a full range naphtha stream. The full boiling range naphtha stream is first subjected to simultaneous thioetherification and splitting into a light boiling range naphtha, an intermediate boiling range naphtha and... | 04/01/2008 |
