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| Number | Title | Issue Date |
| 7998341 | Process for treating hydrocarbon feeds with electrolytic hydrogen A process for treating hydrocarbon feeds includes the steps of providing a hydrocarbon feed containing sulfur and/or metalloporphyrins; providing a cell having two compartments and a membrane separating the compartments; flowing a hydrogen source through one compart... | 08/16/2011 |
| 7361209 | Apparatus and process for preparing sorbents for mercury control at the point of use A system for treating a contaminated gas stream is provided that includes a comminution device 204 operable to effect size reduction of a plurality of sorbent particles and form a plurality of comminuted particles, a plurality of nozzles 224 distribute... | 04/22/2008 |
| 7335800 | Hydrogenation catalyst and hydrogenation method The present invention provides a hydrogenation catalyst effective for hydrogenating 3-hydroxypropionaldehyde to 1,3-propanediol. The hydrogenation catalyst comprises an α-alumina support, nickel, ruthenium, and a promoter. The nickel is deposited on the α-alumina ... | 02/26/2008 |
| 7332071 | Process for improving aromatic and naphtheno-aromatic gas oil fractions Process for transforming a gas oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content, cetane number, boiling point, T95, of 95% of the compounds and density,... | 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 |
| 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 |
| 7291257 | Two phase hydroprocessing A process where the need to circulate hydrogen through the catalyst is eliminated is provided. This is accomplished by mixing and/or flashing the hydrogen and the oil to be treated in the presence of a solvent or diluent in which the hydrogen solubility is “high... | 11/06/2007 |
| 7288499 | Regenerable high capacity sorbent for removal of mercury from flue gas A regenerable, high-capacity sorbent for removal of mercury from flue gas and processes and systems for making and using the sorbent. A phyllosilicate substrate, for example vermiculite or montmorillinite, acts as an inexpensive support to a thin layer for a polyval... | 10/30/2007 |
| 7282137 | Process for preparing basestocks having high VI A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343° C. minus is less than 5 wt. % of the feedstock an... | 10/16/2007 |
| 7261808 | Upgrading of pre-processed used oils A process to further upgrade a pre-processed used lubricating oil by: (a) contacting the partially upgraded used oil in the presence of hydrogen with a hydrodemetallization catalyst; (b) contacting the effluent of step (a) in the presence o... | 08/28/2007 |
| 7238273 | Process for upgrading heavy oil using a highly active slurry catalyst composition The instant invention is directed to a process for upgrading heavy oils using a slurry composition. The slurry composition is prepared by a series of steps, involving mixing a Group VIB metal oxide and aqueous ammonia to form an aqueous mixture, and sulfiding the mi... | 07/03/2007 |
| 7235173 | Hydrotreating catalyst that contains a nitrogen-containing organic compound and its use A hydrotreating catalyst that contains at least one element of group VIB and/or group VIII of the periodic table and optionally phosphorus and/or silicon, with an organic compound as an additive that contains at least one nitrogen atom, is used for the transformatio... | 06/26/2007 |
| 7214309 | Process for upgrading heavy oil using a highly active slurry catalyst composition The instant invention is directed to a process for upgrading heavy oils using a slurry composition. The slurry composition is prepared in a series of steps, involving mixing a Group VIB metal oxide with aqueous ammonia to form an aqueous mixture and sulfiding the mi... | 05/08/2007 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7070690 | Process for conversion of hydrocarbons on a catalyst with controlled acidity The invention relates to a process for conversion of hydrocarbons in the presence of at least one catalyst with controlled acidity, characterized in that the level of activity of said catalyst in isomerization of the cyclohexane is less than 0.10 and/or in that the ... | 07/04/2006 |
| 7067680 | Process for preparing organic hydroperoxide having a reduced amount of contaminants A process for preparing organic hydroperoxide having a reduced content of contaminants, which process involves: (a) oxidation of an organic compound to obtain reaction product containing an organic hydroperoxide; (b) contacting at least par... | 06/27/2006 |
| 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 |
| 7041866 | Solid-acid isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component co... | 05/09/2006 |
| 6977322 | Isomerization catalyst and processes A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component ... | 12/20/2005 |
| 6972120 | Method of removing mercury from flue gases A method of removing metallic mercury and ionic mercury from flue gases, especially of a power plant, is provided. A gas that contains sulfur dioxide, or other adequate amounts of sulfur in the form of H2S or COS, and a gas that contains hydrogen, are con... | 12/06/2005 |
| 6958309 | Hydrothermal pretreatment for increasing average pore size in a catalyst support A pretreatment method for increasing the average pore size of a catalyst support is disclosed which increases the diffusivity and effectiveness factor η. The pretreatment method includes calcining the support in moisturized air at an elevated temperature sufficient... | 10/25/2005 |
| 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 |
| 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 |
| 6887369 | Pretreatment processes for heavy oil and carbonaceous materials A process for treating a carbonaceous material includes reacting the carbonaceous material and a process gas in supercritical water to at least one of hydrotreat and hydrocrack the carbonaceous material to form a treated carbonaceous material. The process is prefera... | 05/03/2005 |
| 6881326 | Two phase hydroprocessing A process where the need to circulate hydrogen through the catalyst is eliminated. This is accomplished by mixing and/or flashing the hydrogen and the oil to be treated in the presence of a solvent or diluent in which the hydrogen solubility is “high” relative t... | 04/19/2005 |
| 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 |
| 6860987 | Process for the hydroprocessing of hydrocarbon feedstocks The present invention pertains to a process for the hydroprocessing of hydrocarbon feedstocks wherein said hydrocarbon feedstocks are contacted, at hydroprocessing conditions, with a catalyst composition comprising at least one Group VIII non-noble metal component a... | 03/01/2005 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6689712 | Process for producing hydrofining catalyst A hydrorefining catalyst containing a metal belonging to group VIB of the Periodic Table and phosphorus is made by bringing the supporting liquid into contact with a porous carrier formed of inorganic oxide. The supporting liquid is an aqueous solution of... | 02/10/2004 |
| 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 |
| 6652738 | Process for preparing a mixed metal catalyst composition The invention pertains to a process for the hydroprocessing of a hydrocarbon feedstock wherein said feedstock is contacted at hydroprocessing conditions with a catalyst composition which comprises bulk catalyst particles which comprise at least one Group ... | 11/25/2003 |
