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| Number | Title | Issue Date |
| 8057664 | Process for reducing bromine index of hydrocarbon feedstocks The present invention relates to a process for reducing the Bromine Index of a hydrocarbon feedstock having at least 50 wt. % of C8 aromatics, comprising the step of contacting the hydrocarbon feedstock with a catalyst at conversion conditions, wherein th... | 11/15/2011 |
| 7964093 | Selenium removal process Methods and apparatus relate to treating fluid to at least reduce selenium content within the fluid, which may be an aqueous liquid and form a feed stream. The treating removes selenium that may be present in compounds, such as selenocyanate, from the feed stream ba... | 06/21/2011 |
| 7947169 | Method of recovering volatile organic compound and volatile organic compound recovery system A gas generated from a first crude oil and containing volatile organic compounds and a second crude oil are supplied to an absorber 16, thereby absorbing the volatile organic compounds in the gas into the second crude oil. ... | 05/24/2011 |
| 7815793 | Process for reducing bromine index of hydrocarbon feedstock The present invention relates to a process for reducing the Bromine Index of a hydrocarbon feedstock having at least 50 wt. % of C8 aromatics, comprising the step of contacting the hydrocarbon feedstock with a catalyst at conversion conditions, wherein th... | 10/19/2010 |
| 7744750 | Process for reducing Bromine Index of hydrocarbon feedstocks This invention relates to a process for reducing the Bromine Index of a hydrocarbon feedstock having less than 5 wppm oxygenates-oxygen, comprising the step of contacting the feedstock with a catalyst at conversion conditions to form a first effluent, wherein the ca... | 06/29/2010 |
| 7691258 | Process for treating hydrocarbon liquid compositions A process for treating a hydrocarbon liquid composition to improve its storage and/or transportation stability, comprises contacting the hydrocarbon liquid composition with a polar trap, wherein the conductivity of the hydrocarbon liquid composition is not reduced b... | 04/06/2010 |
| 7591944 | Sulphided ion exchange resins A method of making a sulphided ion exchange resin from an ion exchange resin containing primary or secondary amino group comprises passing a non-aqueous liquid, e.g. a hydrocarbon, feedstock containing elemental sulphur or organic, or inorganic, di-or poly-sulphides... | 09/22/2009 |
| 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 |
| 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 |
| 7368603 | Method for purifying compounds containing functional groups The present invention relates to a method for producing a saturated organic compound bearing at least one functional group from a mixture which comprises this saturated organic compound containing at least one functional group and also one or more other organic comp... | 05/06/2008 |
| 7351328 | Desulfurization and novel process for same A composition comprising a metal oxide and a promoter, wherein at least a portion of the promoter is present as a reduced valence promoter, and methods of preparing such composition are disclosed. The thus-obtained composition is employed in a desulfurization zone t... | 04/01/2008 |
| 7309416 | Methods and compositions for desulfurization of hydrocarbon fuels Sulfur is removed from a hydrocarbon fuel via contact with a desulfurization agent; the desulfurization agent is then regenerated (wherein sulfur is released) by exposing it to oxygen. The sulfur removal and regeneration processes each can be carried out at relative... | 12/18/2007 |
| 7300568 | Method of manufacturing oxygenated fuel Disclosed is a process to improve the cetane number and emissions characteristics of a distillate feedstock by increasing the oxygen content of the feedstock by contacting the feedstock with an oxygen-containing gas in the oxidation zone at oxidation conditions in t... | 11/27/2007 |
| 7291259 | Process for desulfurizing hydrocarbon fuels and fuel components Processes are disclosed for removing sulfur, including cyclic and polycyclic organic sulfur components such as thiophenes and benzothiophenes, from a hydrocarbon feedstock including fuels and fuel components. The feedstock is contacted with a regenerable sorbent mat... | 11/06/2007 |
| 7288183 | Process for desulphurizing gasoline by adsorption The invention concerns a process for desulphurizing gasoline comprising a step for fractionating said gasoline under conditions in which a light fraction comprising the lightest thiophene compounds such as thiophene or methylthiophenes and a heavy fraction concentra... | 10/30/2007 |
| 7264710 | Process and apparatus for treating heavy oil with supercritical water and power generation system equipped with heavy oil treating apparatus The reforming of heavy oil with supercritical water or subcritical water is accomplished by mixing together supercriticai water, heavy oil, and oxidizing agent, thereby oxidizing vanadium in heavy oil with the oxidizing agent at the time of treatment with supercriti... | 09/04/2007 |
| 7232516 | Desulfurization with octane enhancement A desulfurization system employing a system of fluidizable and circulatable solid particles to desulfurize a hydrocarbon-containing fluid in a fluidized bed reactor. The solid particulate system includes solid sorbent particles operable to remove sulfur from the hyd... | 06/19/2007 |
| 7205448 | Process for the removal of nitrogen compounds from a fluid stream At lower temperatures an acidic molecular sieve adsorbent preferentially adsorbs water and basic organic nitrogen compounds over weakly basic organic nitrogen compounds such as nitrites. Elevated temperatures improve the capacity of acidic molecular sieve adsorbents... | 04/17/2007 |
| 7201839 | Desulfurization and novel compositions for same A composition comprising a metal oxide, a silica-containing material, a gallium-containing material, an aluminum-containing material, and a promoter, wherein at least a portion of the promoter is present as a reduced-valence promoter and methods of preparing such co... | 04/10/2007 |
| 7186328 | Process for the regeneration of an adsorbent bed containing sulfur oxidated compounds A process for the cyclical regeneration of an adsorbent bed containing sulfur-oxidated compounds. The adsorbent bed is used to adsorb and separate sulfur-oxidated compounds from a hydrocarbonaceous stream to produce an adsorbent having adsorbed sulfur-oxidated compo... | 03/06/2007 |
| 7175755 | Process for the extractive oxidation of contaminants from raw hydrocarbon streams A process for the extractive oxidation of contaminants from raw hydrocarbon streams rich in heteroatomic polar compounds is described, the said process involving the extractive oxidation of sulfur and nitrogen compounds from said streams, the said process comprising... | 02/13/2007 |
| 7172685 | Desulfurization system with novel sorbent transfer mechanism A hydrocarbon desulfurization system employing regenerable solid sorbent particulates in a fluidized bed desulfurization reactor. The sulfur-loaded sorbent particulates are continuously withdrawn from the reactor and transferred to a regenerator. A novel solids tran... | 02/06/2007 |
| 7160438 | Process for removal of nitrogen containing contaminants from gas oil feedstreams The present invention is directed to the removal of nitrogen and sulfur containing impurities from high molecular weight petroleum feedstock obtained from fluid cracking catalyst or distillation zone of a petroleum treatment plant. The present process comprises firs... | 01/09/2007 |
| 7153414 | Process for the upgrading of raw hydrocarbon streams A process for the upgrading of raw hydrocarbon streams rich in heteroatomic polar compounds and/or unsaturated moieties involving the extractive oxidation of sulfur, nitrogen, conjugated dienes and other unsaturated compounds from said streams, the said process comp... | 12/26/2006 |
| 7128829 | Removal of impurities from liquid hydrocarbon streams A novel process effective for the removal of organic sulfur compounds, organic nitrogen compounds and light olefins from liquid hydrocarbons is disclosed. The process more specifically addresses the removal of these contaminants from aromatic compounds including ben... | 10/31/2006 |
| 7125483 | Corrosion control in olefin production plants A method for reducing acid corrosion and products of acid corrosion in a thermal cracking plant, the acid corrosion products being compounds of iron, chromium, nickel, lead, cadmium, manganese, mercury, magnesium, calcium, sodium, copper, zinc, lead, molybdenum, and... | 10/24/2006 |
| 7097771 | In-tank time release ion exchange resin containing a fuel additive The invention provides a device containing an ion-exchange resin to which is chemically bound a fuel additive material which will gradually be released from the resin into a fuel in which the device is placed. ... | 08/29/2006 |
| 7087156 | Process for removal of nitrogen containing contaminants from gas oil feedstreams The present invention is directed to the removal of nitrogen and sulfur containing impurities from high molecular weight petroleum feedstock obtained from fluid cracking catalyst or distillation zone of a petroleum treatment plant. The present process comprises firs... | 08/08/2006 |
| 6974787 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above... | 12/13/2005 |
| 6955752 | Desulfurization and novel sorbents for same Sorbent compositions for the removal of sulfur from cracked-gasoline and diesel fuels are prepared by the impregnation of a sorbent support comprising zinc oxide, expanded perlite, and alumina with a promotor metal followed by reduction of the valence of the promoto... | 10/18/2005 |
| 6923903 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above... | 08/02/2005 |
| 6920802 | Adsorption trap for the detection of surface-active agents in gas streams A method and apparatus are provided for adsorbing surface-active compounds, such as corrosion inhibitors and water, from pressurized gas streams utilizing existing gas pipeline sampling valves. The apparatus includes an adsorption trap assembly containing an adsorpt... | 07/26/2005 |
| 6888039 | Purification process A process of reducing the sulfur content of gasoline product comprising at least three concurrent steps: a) passing input fluid comprising pollutant through at least one adsorber to produce a polluted adsorber and a purified fluid stream which leaves the adsorber, s... | 05/03/2005 |
| 6869522 | Desulfurization process In a desulfurization process for the removal of organosulfur compounds from a hydrocarbon fluid stream such as cracked-gasoline or diesel fuel wherein a bifunctional sorbent system is employed, surface treatment of the bifunctional sorbent during the use of same for... | 03/22/2005 |
| 6808621 | Fuel additive and fuel refining process Metal hydride compounds, which are prepared by mixing together from about 1 to about 10 parts by molecular weight of at least one metal selected from the group consisting of silicon, aluminum, tin, and zinc; from about 1 to about 3 parts by molecular weight of an al... | 10/26/2004 |
| 6805790 | Process and an apparatus for preparation of petroleum hydrocarbon solvent with improved color stability from nitrogen rich crude oil A process and an apparatus for the preparation of petroleum hydrocarbon solvent with improved color stability from crude oils having high concentration of nitrogenous compounds which comprises passing said petroleum hydrocarbon stream containing substantial amount o... | 10/19/2004 |
| 6803343 | Desulfurization and novel sorbent for same A sorbent composition comprising a support and a reduced-valence noble metal can be used to desulfurize a hydrocarbon-containing fluid such as cracked-gasoline or diesel fuel. ... | 10/12/2004 |
| 6793805 | Process for capturing mercury and arsenic comprising evaporation then condensation of a hydrocarbon-containing cut A process for capturing mercury and possibly arsenic comprising at least: a) vaporising (or flashing, step a1) then condensing a hydrocarbon-containing feed (step a2) without separating said feed; b) treating the effluent from step a2 comprising at lea... | 09/21/2004 |
| 6781023 | Decreasing Br-reactive contaminants in aromatic streams 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 sufficient to remove mono-ole... | 08/24/2004 |
| 6756022 | Apparatus for removing sulfur-containing component in fuel There is provided a desulphurization apparatus to be mounted in automobiles, which is arranged between a fuel tank and an injector of an engine, the apparatus comprising a combination of a sulfur-containing compound adsorbent for adsorbing and concentrating the sulf... | 06/29/2004 |
