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| Number | Title | Issue Date |
| 8048293 | Desulfurization catalyst for catalytic cracked gasoline and method for desulfurizing catalytic cracked gasoline using the same The desulfurization catalyst for catalytic cracked gasoline according to the present invention has high performance in removal of sulfur compounds in gasoline fractions. This catalyst contains particulate vanadium oxide having the average particle diameter in the ra... | 11/01/2011 |
| 8016999 | Process for removing sulfur from fuels Provided are processes for removing sulfur-containing compounds from fuel, comprising contacting the fuel in liquid phase with air to oxidize the sulfur-containing compounds, the contacting being carried out in the presence of at least one transition metal oxide cat... | 09/13/2011 |
| 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 |
| 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 |
| 7342145 | Process for refining liquefied petroleum gas in a commercial scale The present invention relates to a novel process for refining the liquefied petroleum gas (LPG) in a commercial scale. The process comprises: sequentially performing fine desulfurization and mercaptan conversion of the LPG after alcohol amine treatment through desul... | 03/11/2008 |
| 7297253 | Process for producing hydroperoxides A process for the autocatalytic production of organic hydroperoxides and ultra low sulfur diesel boiling range hydrocarbons is disclosed. The organic hydroperoxides react with sulfur compounds to produce sulfones, and the sulfones can be removed from the diesel boil... | 11/20/2007 |
| 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 |
| 7147769 | Desulfurization and novel methods 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... | 12/12/2006 |
| 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 |
| 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 |
| 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 |
| 6905592 | Process for the desulphurization of feed streams The invention relates to: a process for the desulphurization of feed streams comprising: supplying a hot process stream to a lead catalyst bed (8) comprising a first sulphur-removing catalyst and a second sulphur-removing catalyst under conditions whereby sul... | 06/14/2005 |
| 6852214 | 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 additive comprising a porous molecular sieve which contains a metal in an oxidation state above zero within... | 02/08/2005 |
| 6846403 | 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... | 01/25/2005 |
| 6846406 | Process and catalysts for eliminating sulphur compounds from the gasoline fraction The object of the present invention is a process for the elimination of sulphur compounds from the gasoline fraction, characterized in that it comprises carrying out an oxidation reaction of said sulphur compounds using at least one organic-inorganic composite as a ... | 01/25/2005 |
| 6673236 | Method for the production of hydrocarbon fuels with ultra-low sulfur content The present invention provides a method for producing hydrocarbon fuels with ultra-low levels of sulfur. The method involves catalytic oxidation of the sulfurous compounds within the hydrocarbon fuel, followed by extraction of the oxidized (and polarized)... | 01/06/2004 |
| 6635169 | Method for reducing gasoline sulfur in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of a catalytic cracking process is reduced by the use of a catalyst having a product sulfur reduction component containing a metal component in an oxidation state greater tha... | 10/21/2003 |
| 6482315 | 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 additive comprising a non-molecular sieve support containing a high content of vanadium. Prefera... | 11/19/2002 |
| 6368495 | Removal of sulfur-containing compounds from liquid hydrocarbon streams A novel process effective for the removal of organic sulfur compounds from liquid hydrocarbons is disclosed. The process more specifically addresses the removal of thiophenes and thiophene derivatives from a number of petroleum fractions, including gasoli... | 04/09/2002 |
| 6338794 | Desulfurization with zinc titanate sorbents Particulate sorbent compositions comprising zinc titanate support having thereon a substantially reduced valence promotor metal selected from the group consisting of cobalt, nickel, iron, manganese, copper, molybdenum, tungsten, silver, tin and vanadium o... | 01/15/2002 |
| 6251348 | Process for increasing the reactivity of sulfur compound scavenging agents A process is provided for removing sulfur compounds, such as hydrogen sulfide, sulfur oxides and thiols, out of fluids, such as natural gas or natural gas liquids, by contacting the fluid with a physical mixture of iron oxide, zinc oxide or mixtures there... | 06/26/2001 |
| 5776331 | Process to remove sulfur using zinc containing sorbent subjected to steam treatment A sorbent composition is provided comprising: (a) a zinc component; (b) a colloidal oxide component; and (c) a metal oxide component. This sorbent composition can be subjected to a steaming treatment that improves its sulfur loading capability.... | 07/07/1998 |
| 5723039 | Process for removal of organo-sulfur compounds from liquid hydrocarbons A process for purifying a liquid hydrocarbon feedstock containing organo-sulfur compounds wherein an aqueous sulfuric acid solution containing ions of a transition metal, such as vanadium, chromium, manganese, cobalt, cerium or mixtures thereof, is subjec... | 03/03/1998 |
| 5635056 | Continuous in-situ process for upgrading heavy oil using aqueous base The present invention relates to a continuous in-situ process for the removal from heavy oils, of organically bound sulfur in the form of mercaptans, sulfides and thiophenes, heteroatoms selected from the group consisting of nitrogen and oxygen and metals... | 06/03/1997 |
| 5507939 | Catalytic reforming process with sulfur preclusion A hydrocarbon feedstock is catalytically reformed to effect dehydrocyclization of paraffins in a process combination comprising a first reforming zone, a sulfur-removal zone containing a mixed reforming catalyst and sulfur sorbent comprising a manganese c... | 04/16/1996 |
| 5389240 | Naphthenic acid removal as an adjunct to liquid hydrocarbon sweetening Naphthenic acids may be efficiently and conveniently removed from liquid hydrocarbon feedstocks by passing such feedstocks through a bed of certain metal oxide solid solutions related to hydrotalcites. The removal of naphthenic acids is an important adjun... | 02/14/1995 |
| 5366614 | Catalytic reforming process with sulfur preclusion A hydrocarbon feedstock is catalytically reformed to effect dehydrocyclization of paraffins in a process combination comprising a first reforming zone containing a mixed reforming catalyst and sulfur sorbent and a sulfur-removal zone utilizing a manganese... | 11/22/1994 |
| 5300211 | Catalytic reforming process with sulfur preclusion A hydrocarbon feedstock is catalytically reformed to effect dehydrocyclization of paraffins in a process combination comprising a first reforming zone and a sulfur-removal zone utilizing a manganese component to preclude sulfur from the feed to a second r... | 04/05/1994 |
| 5294333 | Hydrorefining process employing a niobium trisulfide-containing catalyst Catalyst for hydrorefining hydrocarbon feedstocks including niobium trisulphide, said catalyst is particularly suited for the scission of carbon-nitrogen and carbon-sulphur bonds.... | 03/15/1994 |
| 5211837 | Catalytic reforming process with sulfur preclusion A hydrocarbon feedstock is catalytically reformed to effect dehydrocyclization of paraffins in a process combination comprising a first reforming zone and a sulfur-removal zone utilizing a manganese component to preclude sulfur from the feed to a second r... | 05/18/1993 |
| 5114689 | Integrated process for the removal of sulfur compounds from fluid streams The present invention relates to a new and integrated process involving the utilization of a primary adsorption bed containing a regenerable, physical adsorbent and an auxiliary sorption bed containing a chemisorbent for the removal of sulfur compounds fr... | 05/19/1992 |
| 4946578 | Process for treating hydrocarbons A process for chemically modifying at least one component of a hydrocarbon-based material comprising: contacting the hydrocarbon-based material with at least one metal component selected from the group consisting of vanadium components in which vanadium i... | 08/07/1990 |
| 4902404 | Hydrotreating process with catalyst staging Disclosed is a process for hydrotreating a hydrocarbonaceous feed wherein the feed is treated with hydrogen, at hydrotreating conditions, in a first catalyst zone containing a conventional hydrotreating catalyst. The treated feed is then further treated i... | 02/20/1990 |
| 4861939 | Process for removing arsine from light olefin containing hydrocarbon feedstocks The present invention relates to a process for removing arsine from a light olefin to containing hydrocarbon feedstock, said process comprising the steps of (a) passing said feedstock over an absorbent material comprising nickel deposited on a support mat... | 08/29/1989 |
| 4849576 | Pretreatment of butenes In a process for isomerizing monoolefins having a terminal double bond (in particular the isomerization of butene-1 to butene-2) in the presence of a Group VIII metal catalyst (in particular an alumina-supported Pd catalyst) which is contaminated by impur... | 07/18/1989 |
| 4849577 | Process for eliminating jointly arsenic and carbon oxysulfide from an unsaturated hydrocarbon cut in the liquid phase Process for eliminating jointly arsenic and carbon oxysulfide from an unsaturated hydrocarbon cut, wherein said hydrocarbon cut is contacted with an absorbing mass containing a support and lead oxide, comprising contacting the hydrocarbon cut in the liqui... | 07/18/1989 |
| 4846274 | Process for recovering hydrocarbon A process for recovering hydrocarbons from a subterranean hydrocarbon-bearing reservoir comprising: contacting the reservoir with at least one metal component selected from the group consisting of vanadium components in which vanadium is present in the 5+... | 07/11/1989 |
| 4806232 | Method for the desulphurization of sulphur-containing fuels and fuel desulphurized by said method A method is proposed for the desulphurization of sulphur-containing fuels in which the fuels are mixed with at least one solid basic additive and at least one metal in finely divided form, the mixture thus obtained subjected to a pyrolysis and the sulphur... | 02/21/1989 |
| 4626339 | Supported chromium-molybdenum and tungsten sulfide catalysts Supported hydroprocessing catalysts comprising a sulfide of trivalent chromium and molybdenum or tungsten which optionally may contain one or more promotor metals such as Co, Fe, Ni and mixture thereof. These catalysts are obtained by comprising a presele... | 12/02/1986 |
| 4575415 | Apparatus and process for catalytic reforming with continuous sulfur removal An apparatus and process for continuously removing residual sulfur from a naphtha stream has a primary manganous oxide absorber, a secondary parallel manganous oxide absorber and valve and duct means for by-passing the primary absorber and directing the n... | 03/11/1986 |
