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| Number | Title | Issue Date |
| 7993513 | Two-step process for desulphurizing olefinic gasolines comprising arsenic The invention concerns a fixed bed process for capturing arsenic and for desulphurizing a hydrocarbon fraction comprising olefins, sulphur and arsenic, said process comprising a step a) for bringing a capture mass into contact with said hydrocarbon fraction in the p... | 08/09/2011 |
| 7918992 | Systems, methods, and catalysts for producing a crude product Methods and systems for contacting of a crude feed with one or more catalysts to produce a total product that includes a crude product are described. The crude product is a liquid mixture at 25° C. and 0.101 MPa. The crude product has an MCR content of at most 90% ... | 04/05/2011 |
| 7901567 | Process for selective capture of arsenic in gasolines rich in sulphur and olefins A process for capturing organometallic impurities comprising at least one of a heavy metal, silicon, phosphorus, and arsenic, contained in a hydrocarbon feed comprising contacting the feed with a capture mass comprising at least one of iron (Fe), cobalt (Co), nickel... | 03/08/2011 |
| 7767076 | 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 supercritical water, heavy oil, and oxidizing agent, thereby oxidizing vanadium in heavy oil with the oxidizing agent at the time of treatment with supercriti... | 08/03/2010 |
| 7435338 | Removal of mercury compounds from glycol The invention is a process for removing mercury compounds from a glycol- or alcohol-containing liquid absorbent stream which contains mercury compounds, especially a glycol stream which has been used in a glycol drying plant for removing water from natural gas strea... | 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 |
| 7431829 | Method for regenerating used oils by demetallization and distillation The present invention refers to a method for the regeneration of used petroleum oils which comprises the following steps: (a) demetallization of the used mineral oil by means of chemical treatment of said oil with an aqueous soluti... | 10/07/2008 |
| 7416656 | Process for removing aluminum contaminants from Fischer-Tropsch feed streams using dicarboxylic acid A process for removing aluminum contaminants from the product of a Fischer-Tropsch synthesis reaction wherein said contaminants comprise at least 1 ppm of aluminum expressed as elemental metal in aluminum-containing contaminants having an effective diameter of less ... | 08/26/2008 |
| 7410567 | Silica gel compositions containing alkali metals and alkali metal alloys The invention relates to Group 1 metal/silica gel compositions comprising silica gel and an alkali metal or an alkali metal alloy. The compositions of the inventions are described as Stage 0, I, II, and III materials. These materials differ in their preparation and ... | 08/12/2008 |
| 7399403 | Decalcification of refinery hydrocarbon feedstocks A process for removing metal contaminants, particularly calcium, from hydrocarbon feedstocks is disclosed. The process comprises mixing the feedstocks with an effective metal removing amount of an aqueous solution of one or more water-soluble poly(acrylic acid) deri... | 07/15/2008 |
| 7332073 | Process for removing contaminants from Fischer-Tropsch feed streams A process for removing contaminants from the products of a Fischer-Tropsch synthesis reaction, said contaminants comprising (i) particulates having an effective diameter of greater than 1 micron and (ii) at least 5 ppm of aluminum in aluminum-containing contaminants... | 02/19/2008 |
| 7326346 | High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/05/2008 |
| 7323970 | Method and system for remote interaction with a vehicle via wireless communication A telemetry system coupled to a vehicle can communicate with a remote site using the overhead control channels of a wireless network, such as a cellular mobile radiotelephone network. The telemetry system can monitor or control aspects of the vehicle's operations ba... | 01/29/2008 |
| 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 |
| 7183235 | High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/27/2007 |
| 7169730 | Modified carbide and oxycarbide containing catalysts and methods of making and using thereof Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including modified oxyca... | 01/30/2007 |
| 7150823 | Catalytic filtering of a Fischer-Tropsch derived hydrocarbon stream Novel methods of treating a Fischer-Tropsch derived hydrocarbon stream with an active filtering catalyst are disclosed. Such methods are capable of removing soluble (and ultra-fine particulate) contamination, fouling agents, and/or plugging precursors from the Fisch... | 12/19/2006 |
| 7101473 | Method of enhancing the activity of FCC catalysts An additive to enhance the activity of an FCC catalyst containing zeolite and matrix components comprises zeolite microspheres having a novel morphology comprising a macroporous matrix and crystallized zeolite freely coating the walls of the pores of the matrix. The... | 09/05/2006 |
| 7063793 | Apparatus and method for removing mercury and mercuric compounds from dental effluents The present invention is directed to processes for removing a contaminant from dental effluents and includes transporting a three-phase effluent through a suction line into a particle collection vessel, introducing a suction line cleaning solution which includes a r... | 06/20/2006 |
| 7048781 | Chemically-impregnated silicate agents for mercury control The present invention is directed to a contaminant removal agent comprising a polyvalent metal sulfide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered sil... | 05/23/2006 |
| 6960700 | Adsorbent beds for removal of hydrides from hydrocarbons A process for removal of trace impurities of hydrides of arsenic, phosphorus, antimony, silicon, and boron and sulfur and oxygenates and compounds containing these impurities from a hydrocarbon stream comprising contacting the hydrocarbon stream with an adsorbent ma... | 11/01/2005 |
| 6942840 | Method for removal and stabilization of mercury in mercury-containing gas streams The present invention is directed to a process and apparatus for removing and stabilizing mercury from mercury-containing gas streams. A gas stream containing vapor phase elemental and/or speciated mercury is contacted with reagent, such as an oxygen-containing oxid... | 09/13/2005 |
| 6919018 | Arsenic removal catalyst and method for making same A catalyst for removing arsenic from petroleum feedstocks comprising a porous refractory support impregnated with at least 8 wt. % of a Group VIB metal and an amount of Group VIII metal such that the atomic ratio of Group VIII metal to Group VIB metal is between abo... | 07/19/2005 |
| 6911570 | Method for fixating sludges and soils contaminated with mercury and other heavy metals The invention relates to a method, composition and apparatus for stabilizing mercury and other heavy metals present in a particulate material such that the metals will not leach from the particulate material. The method generally involves the application of a metal ... | 06/28/2005 |
| 6905593 | Method for removing calcium from crude oil A calcium-containing hydrocarbonaceous material is treated with an aqueous mixture, comprising acetate ion and an alkaline material and having a pH in the range of 3.0 to 5.0, in order to extract at least a portion of the calcium from the hydrocarbonaceous material ... | 06/14/2005 |
| 6878265 | Process for capturing mercury and arsenic in a distilled hydrocarbon cut A process for eliminating mercury and possibly arsenic from a hydrocarbon feed comprises: 1) distilling the hydrocarbon feed to obtain at least one light cut and at least one heavy cut; 2) treating at least one sai... | 04/12/2005 |
| 6809229 | Method of using carbide and/or oxycarbide containing compositions Compositions including carbide-containing nanorods and/or oxycarbide-containing nanorods and/or carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including oxycarbide-containing nanorods and/or car... | 10/26/2004 |
| 6806398 | Process for removing mercury from liquid hydrocarbon The continuous process for removing mercury comprises a step of continuously feeding a mercury-containing liquid hydrocarbon to an ionization zone where the elementary mercury is ionized; and a step of continuously feeding the liquid hydrocarbon containing the ioniz... | 10/19/2004 |
| 6752919 | Promoted absorbents for the removal of contaminants A process for the removal of trace metals from a hydrocarbon stream includes contacting the hydrocarbon stream with an absorbent material comprising antimony pentoxide supported on an absorbent substrate. The hydrocarbon product is then withdrawn from the absorbent ... | 06/22/2004 |
| 6727398 | Methods and systems for purifying styrene feedstock comprising use of low palladium catalyst Apparatus, methods and systems useful for removing phenylacetylene from crude styrene feedstock are disclosed. Generally the processes and systems comprise the catalytic reduction of phenylacetylene to produce styrene via injection of a phenylacetylene reducing agen... | 04/27/2004 |
| 6623629 | Process for eliminating arsenic in the presence of an absorption mass comprising partially pre-sulfurized lead oxide The invention concerns a process for eliminating arsenic from a hydrocarbon cut in which said cut is brought into contact with an absorption mass that is at least partially pre-sulfurized and comprises a support and lead oxide. The support, for example al... | 09/23/2003 |
| 6589417 | Thermal apparatus and process for removing contaminants from oil Used oil is treated in a reactor to remove contaminants. The reactor comprises a rotating vessel housed within a heating chamber. The inside of the vessel is indirectly heated by conduction through the vessel walls. The vessel contains a permanently resid... | 07/08/2003 |
| 6540904 | Process for the upgradation of petroleum residue The present invention provides a process for the upgradation of petroleum residue into useful fractions by subjecting petroleum residue in the presence of a solvent and ferrous sulphate catalyst to a pressure in the range of 10 atm. to 120 atm., temperatu... | 04/01/2003 |
| 6398950 | Hydrogenation catalyst and method of hydrogenating heavy oil The present invention relates to a catalyst for hydrogenation treatment in which Mo--Ni, Mo--Co or the like is supported on an alumina-type carrier, and a method for hydrogenation treatment of heavy oil using the same. More specifically, it relates to the... | 06/04/2002 |
| 6372124 | Removal of impurities from hydrocarbon streams 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.... | 04/16/2002 |
| 6328880 | Process for hydrotreating hydrocarbon oil Disclosed herein is a process for efficiently and stably producing high-quality kerosene and gas oil from crude oil or crude oil from which naphtha fraction is removed through the hydrotreatment of the crude oil by using a specific hydrotreatment catalyst... | 12/11/2001 |
| 6325921 | Method for catalytic removal of metal compounds from heavy oils The invention relates to a method for catalytic removal of metal compounds from heavy oils, in which a catalyst with a content of a metal of group IVB and a metal of group IA of the periodic system is used, at temperatures between 300 and 550° C. and at ... | 12/04/2001 |
| 6268543 | Method of removing mercury in liquid hydrocarbon In a method of efficiently removing mercury from a liquid hydrocarbon, the liquid hydrocarbon is contacted with water contacted in advance with a crude oil and a sludge contacted in advance with a crude oil. Alternatively, the liquid hydrocarbon is contac... | 07/31/2001 |
| 6245223 | Selective adsorption process for resid upgrading (law815) The present invention is a process to remove a major portion of metals and coke precursors from a hydrocarbon stream. The steps of the process include contacting the feedstream with a hydrocarbon insoluble adsorbent, recovering the oil which does not adso... | 06/12/2001 |
| 6221241 | Process for removal of sulphur together with other contaminants from fluids A process for the purification of a fluid stream containing a sulphur contaminant, such as hydrogen sulphide, and mercury, phosphine, stibine, and/or arsenic compounds as a second contaminant wherein said fluid stream is passed through a bed of a particul... | 04/24/2001 |
