Class 208/252 - With acid

Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein an acid is employed.
No. of patents: 71
Last issue date: 06/28/2011

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Number	Title	Issue Date
7967976	Adsorption of vanadium compounds from fuel oil and adsorbents thereof A method for treating crude or residual fuel oil includes extracting vanadium from the fuel oil by contacting the fuel oil with an adsorbent and a solvent. The adsorbent may be modified with a compound having both acidic functionality and basic functionality. The me...	06/28/2011
7588681	Systems, 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 product is a liquid mixture at 25° C. and 0.101 MPa. The one or more catalyst may include an uncalcined catalyst. One or more other properties of th...	09/15/2009
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
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
7341658	Recovery of heavy minerals from a tar sand A process for recovering heavy minerals (e.g., titanium minerals such as TiO2) from a feedstock comprising tar sands or a tar sands-derived solids fraction. The feedstock comprises bitumen and heavy minerals. The process comprises the steps of: (i) contac...	03/11/2008
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
7270743	Products 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
7159740	Method and apparatus for parallel dispensing of defined volumes of solid particles A sample preparation system provides an automated process that dispenses appropriate amounts of solid material into wells of a microtiter plate for mixing into a suspension. The system utilizes an array of hollow tubes that are lowered into a particle reservoir such...	01/09/2007
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
7060233	Process 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
6998110	Buccal, polar and non-polar spray or capsule Buccal aerosol sprays or capsule using polar and non-polar solvent have now been developed which provide biologically active compounds for rapid absorption through the oral mucosa, resulting in fast onset of effect. The buccal polar compositions of the invention com...	02/14/2006
6977070	Buccal, polar and non-polar spray or capsule containing drugs for treating disorders of the central nervous system Buccal aerosol sprays or capsules using polar and non-polar solvent have now been developed which provide biologically active compounds for rapid absorption through the oral mucosa, resulting in fast onset of effect. The buccal polar compositions of the invention co...	12/20/2005
6969508	Buccal, polar and non-polar spray or capsule containing drugs for treating pain Buccal aerosol sprays or capsules using polar and non-polar solvent have now been developed which provide biologically active compounds for rapid absorption through the oral mucosa, resulting in fast onset of effect. The buccal polar compositions of the invention co...	11/29/2005
6955753	Treatment of crude oils A process and apparatus to extract and recover heavy metals and sulfur from crude oil or petroleum fuel products including the steps of emulsifying the crude oil with an emulsifying agent, adding a leach solution to the emulsified crude oil and leaching the emulsifi...	10/18/2005
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
6787026	Process for the production of high quality base oils This invention is directed to a process for hydroprocessing vacuum gas oils and other feeds in order to produce unconverted oil suitable for use as base oil feed for white oils, Group III oils, and BMCI (Bureau of Mines Correlation Index) ethylene plant feed. Ammoni...	09/07/2004
6531055	Method for reducing the naphthenic acid content of crude oil and fractions The present invention relates to a process for reducing naphthenic acid content of crude oils and its fractions in the presence of an aqueous base selected from Group IA and IIA hydroxides and ammonium hydroxide and mixtures thereof, a phase transfer agen...	03/11/2003
6245222	Additive enhanced solvent deasphalting process (law759) The invention relates to a process for enhancing demetallation of metals containing hydrocarbonaceous feedstocks by contacting a metals containing hydrocarbonaceous feedstock at a sufficient temperature and pressure with an additive containing a polyoxyal...	06/12/2001
6187175	Co2 treatment to remove organically bound metal ions from crude The present invention is a process to remove a +2 ionic charged, organically bound metal from a petroleum feed. The process includes contacting feed with aqueous carbon dioxide in the essential absence for emulsion formation....	02/13/2001
6103100	Methods for inhibiting corrosion Disclosed are methods and compositions for inhibiting corrosion in the overhead of a crude unit distillation tower by washing the crude oil with water containing a hydrophilic, polymeric, nitrogenous base, a di- or multivalent metallic base, or a combinat...	08/15/2000
6077421	Metal complexing A composition including a solid substrate, a metal chelant, and a saturated hydrocarbon linker attached between the substrate and the chelant. The position is used in the method for removing from a liquid medium a metal having atomic number equal to or ...	06/20/2000
5866750	Method for removal of metal alkoxide compounds from liquid hydrocarbon A method for recovering titanium and vanadium compounds, such as alkoxides, from a liquid hydrocarbon mixture by hydrolyzing the mixture with a base or acid wash having a sufficiently different density so that two liquid phases form, and separating the tw...	02/02/1999
5795463	Oil demetalizing process Metals are removed from used, contaminated oils, such as crankcase oils from cars, by a low temperature, batch tank process. The oil is hydrated by adding enough water to prevent premature crystallization of a reagent salt from solution in a succeeding st...	08/18/1998
5593573	Demetalation of hydrocarbonaceous feedstocks using sulfuric acid and salts thereof Sulfuric acids or salts thereof are used to remove metals, particularly organically-bound calcium, from hydrocarbonaceous feedstocks. An aqueous solution of the acid or its salts is used to extract the metals from the feedstock prior to processing....	01/14/1997
5389594	Degradable chelants having sulfonate groups, uses and compositions thereof New compounds are represented by Formula I: ##STR1## and salts and complexes thereof; wherein R is an alkyl group having at least one --SO3 H and at least one --OH; each R' is independently selected from hydrogen, an unsubstituted or inert...	02/14/1995
5332510	Process for cleaning rolling oils Process for cleaning rolling oils which, when contaminated, contain rolling fines originating from metals being processed into semi-finished products in strip form, in particular light weight metals, e.g. aluminum fines. An addition of 2 to 8 g of dimeric...	07/26/1994
5320741	Combination process for the pretreatment and hydroconversion of heavy residual oils A novel method is disclosed for the hydroconversion of a heavy hydrocarbon feedstock wherein the feed is partially hydroconverted and demetalized in the presence of a catalytic additive and then the hydroconversion is completed in an ebullent bed reactor ...	06/14/1994
5282959	Method for the extraction of iron from liquid hydrocarbons A method of extracting iron species from a liquid hydrocarbon medium comprising adding to the medium a composition comprised of an aminocarboxylic acid, methoxypropylamine and a solvent selected from the group consisting of 2-ethylhexanol, cresylic acid, ...	02/01/1994
5160603	Catalytic cracking with sulfur compound added to the feed A catalytic cracking process for heavy metals and asphaltene containing feed is disclosed. A reactive sulfur compound, preferably H2 S, is dissolved in the heavy feed and then kept at a temperature and for a time sufficient to at least partiall...	11/03/1992
5087350	Process for recovering metals and for removing sulfur from materials containing them by means of an oxidative extraction A process for removing S and Fe and to reclaim V, Ni and Co from coal or oil and their derivatives or from minerals. The process is based upon an oxidative extraction performed with hypochlorous acid (HClO) whose oxidizing power is generated and regulated...	02/11/1992
5080779	Methods for removing iron from crude oil in a two-stage desalting system Methods of diminishing the content of soluble and insoluble forms of iron from crude are disclosed. Crude and water soluble chelant are mixed prior to addition of wash water. After wash water addition, an emulsion is formed. After resolution of the emulsi...	01/14/1992
5078858	Methods of extracting iron species from liquid hydrocarbons Methods of extracting iron species, such as iron naphthenate, and iron sulfides, from a liquid hydrocarbon, such as crude oil are disclosed. A chelant selected from oxalic or citric acid is added directly to the liquid hydrocarbon and mixed therewith. The...	01/07/1992
5075044	Process for the radioactive decontamination of an oil According to the invention, the oil is passed through a pulverulent material, such as an earth or clay, in the presence of an acid. The pulverulent material can be placed beforehand on a filter or can be mixed with the oil before filtration. If necessary,...	12/24/1991
5017280	Process for recovering metals and for removing sulfur from materials containing them by means of an oxidative extraction A process for removing S and Fe and to reclaim V, Ni and Co from coal or oil and their derivatives or from minerals. The process is based upon an oxidative extraction performed with hypochlorous acid (HC10) whose oxidizing power is generated and regulated...	05/21/1991
4988433	Demetalation of hydrocarbonaceous feedstocks using monobasic carboxylic acids and salts thereof Monobasic carboxylic acids or salts thereof are used to remove metals, particularly calcium and iron, from hydrocarbonaceous feedstocks. An aqueous solution of the acid is used to extract the metals from the feedstock prior to processing. Acetic acid is t...	01/29/1991
4983277	Process for the production of natural gas condensate having a reduced amount of mercury from a mercury-containing natural gas wellstream A process for producing a natural gas condensate having a reduced amount of mercury from a mercury-containing natural gas wellstream, wherein the wellstream is separated into gaseous and liquid fractions. A portion of the gaseous fraction is mixed with th...	01/08/1991
4981577	Process for the production of natural gas condensate having a reduced amount of mercury from a mercury-containing natural gas wellstream A process for producing a natural gas condensate having a reduced amount of mercury from a mercury-containing natural gas wellstream, wherein the wellstream is separated into gaseous and liquid fractions. A portion of the gaseous fraction is mixed with th...	01/01/1991
4925597	Method for the decontamination of radioactively contaminated liquids In a process for decontaminating radioactively polluted lubricant oil, (a) the lubricant oil to be decontaminated is mechanically filtered, (b) an acid solution of the salts of the elements, the radionuclides of which are to be removed, is added, and (c) ...	05/15/1990
4853109	Demetalation of hydrocarbonaceous feedstocks using dibasic carboxylic acids and salts thereof Dibasic carboxylic acids or salts thereof are used to remove metals, particularly calcium and iron, from hydrocarbonaceous feedstocks. An aqueous solution of the acid is used to extract the metals from the feedstock prior to processing. Oxalic acid is the...	08/01/1989

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Class 208/252 - With acid