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| Number | Title | Issue Date |
| 7871513 | Highly stable heavy hydrocarbon hydrodesulfurization catalyst and methods of making and use thereof Described is a catalyst useful in the hydroprocessing of a heavy hydrocarbon feedstock wherein the catalyst comprises a calcined mixture made by calcining a formed particle of a mixture comprising molybdenum trioxide, a nickel compound, and an inorganic oxide materi... | 01/18/2011 |
| 7820036 | Highly stable heavy hydrocarbon hydrodesulfurization catalyst and methods of making and use thereof Described is a catalyst useful in the hydroprocessing of a heavy hydrocarbon feedstock wherein the catalyst comprises a calcined mixture made by calcining a formed particle of a mixture comprising molybdenum trioxide, a nickel compound, and an inorganic oxide materi... | 10/26/2010 |
| 7311814 | Process for the production of hydrocarbon fluids Hydrocarbon fluids are produced by hydrocracking a vacuum gas oil stream, fractionating and/or hydrogenating the hydrocracked vacuum gas oil. The fluids typically have ASTM D86 boiling point ranges within the range 100° C. to 400° C. the range being no more than 7... | 12/25/2007 |
| 7297251 | Multi-stage hydrodesulfurization of cracked naphtha streams with a stacked bed reactor A process for the selective hydrodesulfurization of naphtha streams containing a substantial amount of olefins and organically bound sulfur. The naphtha stream is selectively hydrodesulfurized by passing it through a first reaction zone containing a bed of a first h... | 11/20/2007 |
| 7288182 | Hydroprocessing using bulk Group VIII/Group VIB catalysts A process for hydroprocessing petroleum and chemical feedstocks by use of a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least one, preferably two Group VIB metal wherein the ratio of Group VIB metal to Group VIII metal is ... | 10/30/2007 |
| 7288693 | Pulse flow reaction A method of operating a multi-phase downflow reactor so as to induce a pulsing flow regime is disclosed. The pulse may be induced by increasing the gas rate while maintaining the liquid rate until a pressure drop sufficient to induce the pulse flow is achieved. The ... | 10/30/2007 |
| 7285695 | Hydrogenation of hydrocarbon resins The invention is directed to a process for the hydrogenation of hydrocarbon resins in the presence of a precious metal catalyst, wherein the hydrogenation is performed in the additional presence of at least one metal oxide, capable of reacting with sulfide and/or ha... | 10/23/2007 |
| 7270738 | Catalyst and process for hydrocracking hydrocarbon-containing feedstocks This invention relates to silico-aluminum substrates, catalysts, and the hydrocracking and hydrotreatment processes that use them. The catalyst comprises at least one hydro-dehydrogenating element that is selected from the group that is formed by elements of group V... | 09/18/2007 |
| 7265075 | Hydro-refining catalyst, carrier for use therein and method for production thereof A method for producing a hydrorefining catalyst of the present invention has a step of preparing an aluminum solution containing phosphorus in a molar ratio of 0.001 to 0.05 with respect to aluminum; a step of neutralizing the prepared aluminum solution to produce a... | 09/04/2007 |
| 7232515 | Hydrofining process using bulk group VIII/Group VIB catalysts A process for hydrofining a lubricating oil feedstock comprising contacting the feedstock with a hydrofining catalyst in a hydrofining zone under hydrofining conditions wherein the hydrofining catalyst comprises a bulk metal catalyst containing non-noble Group VIII ... | 06/19/2007 |
| 7229548 | Process for upgrading naphtha A method for upgrading a naphtha feed to a naphtha product containing less than about 10 wppm of nitrogen and less than about 15 wppm sulfur, the method comprising contacting said naphtha feed with hydrogen in the presence of a bulk multimetallic catalyst under effe... | 06/12/2007 |
| 7230148 | Process for hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds The present invention relates to an improved process for the hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds as impurities, the aromatics hydrogenation being conducted in a hydrogenation reactor in the presence of a nickel based... | 06/12/2007 |
| 7186329 | High-macropore hydroprocessing catalyst and its use The present invention pertains to a catalyst comprising 7–20 wt. % of a Group VIB metal component, calculated as trioxide on the weight of the catalyst, and 0.5 to 6 wt. % of a Group VIII metal component, calculated as oxide on the weight of the catalyst, on a por... | 03/06/2007 |
| 7169294 | Hydroprocessing catalyst and use thereof The invention pertains to a hydroprocessing catalyst suitable for the conversion of heavy hydrocarbon oils, which comprises 7–20 wt. % of Group VI metal, calculated as trioxide, and about 0.5–6 wt. % of Group VIII metal, calculated as oxide, on a carrier compris... | 01/30/2007 |
| 7160439 | Catalytic composition for the upgrading of hydrocarbons having boiling points within the naphtha range A process is described for the upgrading of hydrocarbon mixtures which boil within the naphtha range containing sulfur impurities, i.e. a hydrodesulfuration process with contemporaneous skeleton isomerization and reduced hydrogenation degree of the olefins contained... | 01/09/2007 |
| 7119045 | Catalyst for hydrorefining and/or hydroconversion and its use in hydrotreatment processes for batches containing hydrocarbons This invention relates to a catalyst for hydrorefining and/or hydroconversion of hydrocarbon-containing feedstocks that contain compounds whose boiling point is higher than 520° C. and that contain sulfur and possibly metals, as well as its use in hydrorefining and... | 10/10/2006 |
| 7081555 | Process for hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds The present invention relates to an improved process for the hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds as impurities, the aromatics hydrogenation being conducted in a hydrogenation reactor in the presence of a nickel based... | 07/25/2006 |
| 7074740 | Catalyst for conversion processes An improved catalyst for hydrodesulfurization of heavy feedstocks is disclosed. The catalyst is adopted for on-stream catalyst replacement in upflow processing units. It is characterized by a smaller peak pore diameter than general purpose hydrotreating catalysts. | 07/11/2006 |
| 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 |
| 6919294 | Method for preparing hydrogenation purification catalyst A method for producing a hydrorefining catalyst is used to produce the hydrorefining catalyst which contains an inorganic oxide carrier and a hydrogenation-active metal and which has such a bimodal pore characteristic that pores having pore diameters of not more tha... | 07/19/2005 |
| 6893553 | Hydroprocessing catalyst and use thereof The invention pertains to a hydroprocessing catalyst comprising a Group VIB hydrogenation metal component, a non-noble Group VIII hydrogenation metal component, an alkali metal component, and silica. The catalyst has a specific surface area, total pore volume and po... | 05/17/2005 |
| 6858132 | Hydrofining catalyst and hydrofining process A heavy oil hydrorefining catalyst of the present invention is such that the total volume of pores with a diameter of 60 nm or less is at least 0.5 mL/g, and the pore diameter distribution has a broad band over a pore diameter range of 8 to 30 nm. The hydrorefining ... | 02/22/2005 |
| 6755963 | Hydrogenation process for hydrocarbon resins This invention provides a process for hydrotreating hydrocarbon resins, which process comprises contacting a feedstock comprising a hydrocarbon resin or rosin, under suitable hydrotreating conditions, with a bulk multimetallic catalyst comprised of at least one Grou... | 06/29/2004 |
| 6733659 | Reactor for hydrotreating and process for producing ultralow sulfur heavy oils by the use of the reactor An object is to provide a reactor for hydrotreating which exhibits a total desulfurizing activity higher than that of the reactor according to the prior art, and which is reduced in the rate of lowering of the desulfurizing activity and therefore can keep the high d... | 05/11/2004 |
| 6716339 | Hydrotreating process with monolithic catalyst Liquid hydrocarbons such as gas oil feedstocks are hydrotreated by passing feedstreams comprising a hydrogen-containing gas and the liquid hydrocarbons through a catalyst bed comprising honeycomb or similarly structured monolithic hydrotreating catalysts at controll... | 04/06/2004 |
| 6656349 | Hydroprocessing catalyst and process The invention relates to a spherical catalyst composition comprising a Group VI metal component and optionally a Group VIII metal component on a carrier, which catalyst has a particle size of 0.5-7 mm, a total pore volume of 0.5-1.3 ml/g, an average pore ... | 12/02/2003 |
| 6645371 | Process for treating a hydrocarbon feed, comprising a counter-current fixed bed hydrotreatment step A process is described that can limit pressure drops during a catalytic hydrotreatment process carried out in a fixed bed reactor. The liquid feed and gaseous reactant are injected into the reactor either side of the bed and flow as a counter-current. Pre... | 11/11/2003 |
| 6596157 | Staged hydrotreating method for naphtha desulfurization The invention relates to a method and dual reactor system for hydrotreating a wide cut cat naphtha stream comprising heavy cat naphtha (HCN) and intermediate cat naphtha (ICN). Accordingly, a HCN fraction is hydrotreated under non-selective hydrotreating ... | 07/22/2003 |
| 6537442 | Cogel containing oxidic compounds of tetravalent, trivalent, and divalent metallic elements The invention pertains to a cogel comprising oxidic compounds of one or more trivalent metallic elements selected from the group of aluminum, borium, gallium, chromium, iron, cobalt, manganese, vanadium, molybdenum, tungsten, indium, rhodium, scandium, or... | 03/25/2003 |
| 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 |
| 6387248 | Method of preparing a catalyst for use in the hydrotreating of high boiling hydrocarbon feedstocks A catalyst characterized by its ability to hydrotreat a charge hydrocarbon feed containing components boiling above 1000° F., and sediment-formers, sulfur, metals, asphaltenes, carbon residue, and nitrogen is prepared by mulling a porous alumina support ... | 05/14/2002 |
| 6342152 | Hydrogenation treatment process for crude oil and crude oil reformed thereby There are disclosed a process for hydrogenating treating crude oil in the presence of a catalyst which comprises subjecting crude oil to consecutive hydrogenation demetalling treatment, hydrocracking treatment and hydrodesulfurization treatment to carry o... | 01/29/2002 |
| 6309537 | Hydrotreating hydrocarbon feeds in an ebullating bed reactor The present invention concerns the use of a catalyst comprising an extruded essentially alumina-based support, constituted by a plurality of juxtaposed agglomerates and partially in the form of packs of flakes and partially in the form of needles, and opt... | 10/30/2001 |
| 6306289 | Catalyst for hydrogenation treatment and method for hydrogenation treatment of hydrocarbon oil A hydrotreating catalyst having both a high desulfurization activity and a denitrogenation activity and a method of hydrotreating a hydrocarbon oil using the same is provided. A hydrotreatment catalyst comprising a silica-alumina carrier loaded with at le... | 10/23/2001 |
| 6280610 | Hydrotreating catalyst: composition, preparation, and use thereof The invention pertains to a process for activating a hydrotreating catalyst comprising a Group VIII hydrogenation metal and a Group VI hydrogenation metal, which are substantially in the oxide form, on a carrier in which the hydrotreating catalyst is cont... | 08/28/2001 |
| 6267874 | Hydrotreating catalyst and processes for hydrotreating hydrocarbon oil with the same The present invention relates to a hydrotreating catalyst composed of a carrier having a Brønsted acid content of at least 50 μmol/g such as a silica-alumina carrier or a silica-alumina-third component carrier, in which the silica is dispersed to high d... | 07/31/2001 |
| 6217750 | Process for purifying naphthalene by selective hydrotreatment followed by separation The invention concerns a process for purifying naphthalene. The process comprises selective hydrotreatment corresponding to hydrodesulphuration and/or hydrodenitrogenation and/or hydrodehydroxylation and/or hydrogenation of olefins while limiting naphthal... | 04/17/2001 |
| 6174432 | Hydrotreating catalyst for heavy hydrocarbon oil, process for producing the catalyst, and hydrotreating method using the same A hydrotreating catalyst for heavy hydrocarbon oil, which comprises a boron-containing alumina carrier containing from 1 to 12 wt %, in terms of an oxide, of boron based on the catalyst, having supported thereon a metal in the Group VI, wherein the cataly... | 01/16/2001 |
| 6162351 | Hydrodenitrogenation of hydrocarbons utilizing a carbon-supported catalyst A naphtha or a middle distillate hydrocarbon is hydrodenitrogenized by hydrotreating in the presence of a catalyst containing a carbon support bearing (i) molybdenum or tungsten, (ii) a metal of non-noble Group VIII, and (iii) chromium.... | 12/19/2000 |
| 6132597 | Hydrotreating hydrocarbon feeds in an ebullating bed reactor The present invention relates to the use of a catalyst comprising an extruded essentially alumina-based support, constituted by a plurality of juxtaposed agglomerates and partially in the form of packs of flakes and partially in the form of needles, and o... | 10/17/2000 |
