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Class 208/251R - Metal contaminant removal


Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein a mineral oil is treated to remove a metal
No. of patents: 386
Last issue date: 01/03/2012


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NumberTitleIssue Date
8088277Methods and system for removing impurities from heavy fuel
A method of removing impurities from heavy fuel includes providing a first stationary adsorption column. The method further includes packing adsorbent particles that have a particle size distribution wherein at least about 50% of the particles have a diameter greate...
01/03/2012
8080156Mercury removal from crude oil
Methods and apparatus relate to removal of mercury from crude oil. Such removal relies on transferring mercury from a liquid hydrocarbon stream to a natural gas stream upon contacting the liquid hydrocarbon stream with the natural gas stream. Processing of the natur...
12/20/2011
7959796Systems, methods, and catalysts for producing a crude product
Contact of a crude feed with one or more catalysts produces a total product that include a crude product. The crude product is a liquid mixture at 25° C. and 0.101 MPa. One or more other properties of the crude product may be changed by at least 10% relative to the...
06/14/2011
7947167Methods and systems for removing metals from low grade fuel
A method for removing metals from fuel containing vanadium or nickel including intimately mixing an adsorbent with the fuel and isolating the treated fuel. The treated fuel has reduced levels of vanadium, nickel and other metals. Systems for fuel treatment are also ...
05/24/2011
7837863Systems, methods, and catalysts for producing a crude product
Contact of a crude feed with one or more catalysts produces a total product that include a crude product. The crude feed has a total content of alkali metal, and alkaline-earth metal, in metal salts of organic acids of at least 0.00001 grams per gram of crude feed. ...
11/23/2010
7833409Methods and systems for removing vanadium from low-grade fuels
A method for treating fuel containing vanadium including extracting vanadium from the fuel with an adsorption material and fractionating the fuel into a light oil fraction and a heavy fuel fraction. The light fuel fraction has a reduced amount of vanadium. Systems f...
11/16/2010
7674370Systems, methods, and catalysts for producing a crude product
Contact of a crude feed with one or more catalysts produces a total product that includes a crude product. The crude feed has a total content of alkali metal, and alkaline-earth metal, in metal salts of organic acids of at least 0.00001 grams per gram of crude feed....
03/09/2010
7563360Mercury-removal process in distillation tower
A top temperature T1 of a distillation tower 1 is held below a liquefying temperature of a light fraction by returning a part of an exhaust gas W, which is cooled by a condenser 5, to the upper zone of the distillation tower 1. A bott...
07/21/2009
7497943Additives to enhance metal and amine removal in refinery desalting processes
It has been discovered that metals and/or amines can be removed or transferred from a hydrocarbon phase to a water phase in an emulsion breaking process by using a composition that contains water-soluble hydroxyacids. Suitable water-soluble hydroxyacids include, but...
03/03/2009
7455763Recycling process for demetalization of hydrocarbon oil
A recycling process for the demetalization of hydrocarbon oil comprises recycling the following steps: a demetalizing composition for hydrocarbon oil or an aqueous solution thereof is sufficiently mixed with hydrocarbon oil in a desired proportion, and the re...
11/25/2008
7435330Heavy 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
7435338Removal 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
7431829Method 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
7416656Process 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
7410567Silica 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
7399403Decalcification 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
7381320Heavy oil and bitumen upgrading
Disclosed is a process for the upgrading and demetallizing of heavy oils and bitumens. A crude heavy oil and/or bitumen feed is supplied to a solvent extraction process 104 wherein DAO and asphaltenes are separated. The DAO is supplied to an FCC unit 106
06/03/2008
7361209Apparatus 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
7334458Direct method to determine particulate concentration in a dispersion
Particulate material concentration of a dispersion is detected by providing a known amount of dispersion including particulate material, a solvent, and other optional components; centrifuging the dispersion and separating the particulate material from the dispersion...
02/26/2008
7332073Process 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
7326346High 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
7323342Method for improving oil desalting by forming unstable water-in-oil emulsions
A method for determination for a given oil the relative stability of a water-in-oil emulsion that will be formed by that oil with water comprises measuring for the given oil the weight fraction of the oil that is most strongly adsorbed on a silica gel column success...
01/29/2008
7297250Method of and apparatus for processing heavy hydrocarbon feeds
The present invention comprises a method for processing a heavy hydrocarbon feed including: supplying the heavy hydrocarbon feed to a heater for heating the heavy hydrocarbon feed; supplying the heated heavy hydrocarbon feed to an atmospheric fractionating tower for...
11/20/2007
7270743Products produced form rapid thermal processing of heavy hydrocarbon feedstocks
The present invention is directed to the upgrading of heavy hydrocarbon feedstock that utilizes a short residence pyrolytic reactor operating under conditions that cracks and chemically upgrades the feedstock. The process of the present invention provides for the pr...
09/18/2007
7267760Method of removing contaminants from used oil
In a method of removing acidic compounds, color, and polynuclear aromatic hydrocarbons, and for removing or converting hydrocarbons containing heteroatoms from used oil distillate, phase transfer catalysts are employed to facilitate the transfer of inorganic or orga...
09/11/2007
7264710Process 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
7255792Method for modifying an organic composition
There is provided a process for modifying a first organic composition comprising (i) at least one first solvent, (ii) at least one solute, and (iii) optionally, at least one second solvent to produce a modified organic composition in which the concentration of the a...
08/14/2007
7238273Process 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
7232515Hydrofining 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
7204927Settling aids for solids in hydrocarbons
A treatment for accelerating the settling of finely divided solids in hydrocarbon fluids, including adding to the hydrocarbon a sufficient settling amount of a combination of at least two of (a) a quaternary fatty ammonium compound, (b) a hetero-atom punctuated fatt...
04/17/2007
7183235High 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
7172686Method of increasing distillates yield in crude oil distillation
Methods of separating components of a mixture, such as crude oil, are disclosed which increase the yield of individual components while decreasing the yield of residue. In one method, a heated mixture is fed to a column, a vapor stream is withdrawn from the column a...
02/06/2007
7150823Catalytic 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
7144924Process for the production in continuous of hydrocarbons from synthesis gas in slurry reactors and for the separation of the liquid phase produced from the solid phase
Hydrocarbons are prepared, liquid at the reaction temperature, by feeding synthesis gas into three-phase turbulent reactors in which the solid phase, consisting of the catalyst in the form of particles, is kept in suspension in the liquid phase by the rising synthes...
12/05/2006
7108780Oil desalting by forming unstable water-in-oil emulsions
A method for determination for a given oil the relative stability of a water-in-oil emulsion that will be formed by that oil with water comprises measuring for the given oil the weight percent asphaltenes (A), total acid number (TAN), and ratio of the amount of naph...
09/19/2006
7067680Process 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
7063793Apparatus 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
7060233Process for the simultaneous removal of sulfur and mercury
A process for removing hydrogen sulfide, other sulfur-containing compounds and/or sulfur and mercury from a gas stream contaminated with mercury, hydrogen sulfide or both. The method comprises the step of selective oxidation of hydrogen sulfide (H2S) in a...
06/13/2006
7048781Chemically-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
7048847Settling aids for solids in hydrocarbons
A treatment for accelerating the settling of finely divided solids in hydrocarbon fluids, including adding to the hydrocarbon a sufficient settling amount of a combination of (a) a polyacrylic acid adducted alkylphenol-formaldehyde resin alkoxylate compound, and (b)...
05/23/2006
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