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| Number | Title | Issue Date |
| 7438807 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separ... | 10/21/2008 |
| 7438189 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process An apparatus for separating bitumen from a bitumen froth output of a oil sands hot water extraction process comprises an inclined plate separator (IPS) for providing a first bitumen separation stage and a cyclone for providing a second bitumen separation stage. The ... | 10/21/2008 |
| 7390398 | Process for upgrading heavy oil using a highly active slurry catalyst composition Applicants have developed a new residuum full hydroconversion slurry reactor system that allows the catalyst, unconverted oil and converted oil to circulate in a continuous mixture throughout an entire reactor with no confinement of the mixture. The mixture is parti... | 06/24/2008 |
| 7384557 | Method and apparatus for removing solute from a solid solute-bearing product The process and apparatus are for removing a solute from a solute-bearing solid product by means of a solvent which remains in liquid state throughout the entire oil extraction process. In one embodiment, the solvent is normally in gazeous state at ambient temperatu... | 06/10/2008 |
| 7276148 | Process for treatment of organic waste The invention provides a multi-stage process for the treatment of organic waste comprising drying said waste to reduce the water content to below 15%; subjecting said dried waste to a thermochemical liquefaction process in the presence of a recirculating solvent med... | 10/02/2007 |
| 7264711 | Process for converting oil shale into petroleum A process for converting oil shale into petroleum is disclosed. The process includes the steps of pulverizing oil shale to produce pulverized oil shale and then preparing a mixture of pulverized oil shale, water and ethyl alcohol in a sealed vessel. The mixture in t... | 09/04/2007 |
| 7141162 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separ... | 11/28/2006 |
| 7090768 | Surfactant for bitumen separation A surfactant for separating bitumen from sand includes an aqueous solution of hydrogen peroxide contacted with low rank coal. The low rank coal is preferably lignite. The surfactant may be used to clean bitumen, heavy oil and/or tar from sand, shale or clay at low c... | 08/15/2006 |
| 7011154 | In situ recovery from a kerogen and liquid hydrocarbon containing formation In an embodiment, a method of treating a kerogen and liquid hydrocarbon containing formation in situ may include providing heat from one or more heat sources to at least a portion of the formation. Heat may be allowed to transfer from the one or more heat sources to... | 03/14/2006 |
| 7008528 | Process and system for continuously extracting oil from solid or liquid oil bearing material A process for continuously extracting oil from a solid or liquid oil-bearing material comprises (a) removing air from the extraction system, (b) introducing an inert gas into the extraction system at a pressure sufficient to maintain a normally gaseous solvent in li... | 03/07/2006 |
| 6936159 | Process for recovering hydrocarbons from a carbon containing material A process for recovering hydrocarbons from coal or oil shale is disclosed. The process involves the steps of forming a pulp of finely divided coal or oil shale in a first reaction bed, adding concentrated sulphuric acid to the first reaction bed, controlling the tem... | 08/30/2005 |
| 6905600 | Method and apparatus for the treatment of particulate biodegradable organic waste A method for treating particulate biodegradable organic waste includes sizing the waste and adding a base prior to introducing the waste to a thermal hydrolysis reactor and hydrolyzing the waste at a temperature of about 130° C. or greater and a pressure greater th... | 06/14/2005 |
| 6709573 | Process for the recovery of hydrocarbon fractions from hydrocarbonaceous solids Process and apparatus for extraction of oil and hydrocarbons from crushed hydrocarbonaceous solids, such as oil shale, involving the pyrolyzing of the crushed solids with liquid hydrocarbon and syn gas rich in hydrogen and carbon dioxide. Crushed hydrocarbonaceous s... | 03/23/2004 |
| 6547960 | Oil separating apparatus for oil containing substance and method therefor An oil component separating apparatus for an oil containing substance can solve a problem of inflammability and can separate oil component and solid substance simply at low cost. The oil component separating apparatus for a oil containing substance includ... | 04/15/2003 |
| 6365038 | Method of producing combustible products from heavy fuel residue Asphaltene and oil shale are pyrolyzed at substantially atmospheric pressure for producing combustible products and carbonaceous material. A combustor combusts the carbonaceous material and produces flue gases which are supplied to a utilization device, a... | 04/02/2002 |
| 6274030 | Filtration of feed to integration of solvent deasphalting and gasification The invention is a process of removing solids, particularly catalyst fines, from an asphaltene-containing hydrocarbon liquid. The process comprises contacting an asphaltene-containing hydrocarbon liquid with a solvent to create a mixture. The solvent is t... | 08/14/2001 |
| 6168708 | Method for recovery and recycling of hydrocarbon residue The present invention provides for a method for recovering and recycling a hydrocarbon residue from a petroleum material such as crude oil, where the hydrocarbon residue is a waxy solid material. The method comprises providing the hydrocarbon residue in a... | 01/02/2001 |
| 6120680 | Sludge liquefaction process and agents The invention involves the demulsification and liquefaction of hydrocarbon based sludges. A demulsifier and a liquefaction agent and methods of using the same are disclosed. In a preferred embodiment, the demulsifier contains a salt of DDBSA, polypropylen... | 09/19/2000 |
| 6036849 | Process for the removal of hydrocarbons from soils A method of removing hydrocarbons from soils contaminated with various hydrocarbons such as gasoline, diesel fuel, solvents, motor oil and crude oil. The process first screens the soil to remove oversized rocks and debris and to reduce the contaminated so... | 03/14/2000 |
| 5938927 | Process for extracting oil from contaminated filter media Oil and oil additives separated from a contaminated solid particulate filter medium, preferably diatomaceous earth particles. Portions of a mixture of oil, oil additives and the filter medium are compressed into pellets that are extracted with liquid or s... | 08/17/1999 |
| 5936134 | Method for obtaining storable products of calorific energy and synthetical oils, by processing waste rubber materials with coal A method for producing synthetical oils and storable products of calorific energy, by co-processing waste rubber materials, especially waste tires, and coal optionally in the presence of a material containing Fe as a catalyst, comprising the steps of mixi... | 08/10/1999 |
| 5858247 | Sludge demulsification process and agents The invention involves the demulsification and liquefaction of hydrocarbon based sludges. A demulsifier and a liquefaction agent and methods of using the same are disclosed. In a preferred embodiment, the demulsifier contains a salt of DDBSA, polypropylen... | 01/12/1999 |
| 5690811 | Method for extracting oil from oil-contaminated soil A method for extracting oil from oil-contaminated soil containing 2 to 5 wt. % oil, comprising contacting the oil-contaminated soil with a solvent in the presence of sonic energy in the frequency range of 0.5 to 2.0 kHz. Specifically, a solvent is first m... | 11/25/1997 |
| 5653865 | Method and apparatus for recovering the fuel value of crude oil sludge A method and apparatus for converting crude oil tank bottoms to a liquid fuel, which uses a powered cutting tool to break up crude oil sludge contained in an oil storage tank bottom, with injection of cutter stock to facilitate break up of the sludge, an ... | 08/05/1997 |
| 5605618 | Process for preparing nitrogen-containing isotropic pitch and nitrogen-containing isotropic pitch A process for preparing nitrogen-containing isotropic pitch, comprising the steps of mixing a petroleum heavy oil, a nitrating reagent and water to prepare a homogeneous dispersion, thereby contacting the petroleum heavy oil with the nitrating reagent in ... | 02/25/1997 |
| 5571403 | Process for extracting hydrocarbons from diatomite An improved process for extracting hydrocarbons from a diatomite ore which comprises the combination of the steps of: a) Reducing the particle size of the ore to form a processed ore; b) Grinding the processed ore in an enclosed pin mixer to form pelletized or... | 11/05/1996 |
| 5505839 | Method of coal liquefaction A method of coal liquefaction comprising the steps of: (a) producing a coal slurry from a pulverized coal and a solvent; (b) compressing a coke oven gas to prepare a compressed gas; (c) reacting the coal slurry with the compressed gas in a reactor under a... | 04/09/1996 |
| 5492618 | Recovery of hard acids and soft bases from decomposed coal An improved process for recovering hard acids and soft bases used to decompose coal in which finely divided coal particles are contacted with a hard acid in the presence of a soft base at temperatures of from 0° to 100° C., said hard acid being characte... | 02/20/1996 |
| 5489376 | Recovery of hard acids and soft bases from decomposed coal An improved process for recovering hard acids and soft bases used to decompose coal in which finely divided coal particles are contacted with a hard acid in the presence of a soft base at temperatures of from 0° to 100° C., said hard acid being characte... | 02/06/1996 |
| 5489377 | Recovery of hard acids and soft bases from decomposed coal An improved process for recovering hard acids and soft bases used to decompose coal in which finely divided coal particles are contacted with a hard acid in the presence of a soft base at temperatures of from 0° to 100° C., said hard acid being characte... | 02/06/1996 |
| 5454934 | Coal liquefaction using atomically dispersed metals A method for converting solid carbonaceous materials to liquid products. The solid carbonaceous material is first treated with a aqueous composition of a metal carbonate or bicarbonate. This results in the metal being atomically dispersed in the carbonace... | 10/03/1995 |
| 5360537 | Apparatus and method for retorting oil shale and like materials A continuously operable combustion-type retort apparatus includes an insulated retort. A preheater is preferably associated with the retort for preheating incoming material, and means are preferably provided for injecting acetic acid and steam into the in... | 11/01/1994 |
| 5298157 | Coal depolymerization utilizing hard acid/soft base A process for depolymerizing coal at low temperatures by contacting finely divided coal with a hard acid and soft base.... | 03/29/1994 |
| 5296133 | Low ash coal products from depolymerized coal A process for preparing a low ash coal wherein coal is depolymerized at low temperature by contacting finely divided coal with a hard acid and soft base, and extracting the depolymerized coal to remove mineral contaminants.... | 03/22/1994 |
| 5294349 | Coal depolymerization and hydroprocessing A process for hydroprocessing coal to hydrocarbon oils wherein coal is depolymerized at low temperatures by contacting finely divided coal with a hard acid and soft base. The depolymerized coal is then hydroprocessed to hydrocarbon oils by forming a mixtu... | 03/15/1994 |
| 5277796 | Pretreating oil shale with organic acid to increase retorting yield and process efficiency A process for pretreating oil shale prior to retorting by contacting with an organic acid, such as formic and acetic acids, at temperatures below about 100° C. for a period of time sufficient to react at least a portion of the oil shale carbonates and se... | 01/11/1994 |
| 5269910 | Method of coil liquefaction by hydrogenation A method for hydro-liquefying coal, the method comprising preheating a slurried mixture of a pulverized coal and a solvent, the preheated mixture being supplied to a plurality of reactors; separating a gaseous content from the products resulting from the ... | 12/14/1993 |
| 5266189 | Integrated low severity alcohol-base coal liquefaction process An improved, low severity coal liquefaction process is disclosed. In accordance with the process, coal is first decarboxylated and demineralized with hot sulfurous acid. The decarboxylated coal is then liquefied in the presence of an alcohol and an alkali... | 11/30/1993 |
| 5256278 | Direct coal liquefaction process An improved multistep liquefaction process for organic carbonaceous mater which produces a virtually completely solvent-soluble carbonaceous liquid product. The solubilized product may be more amenable to further processing than liquid products produced ... | 10/26/1993 |
| 5248413 | Process for removing sulfur and producing enhanced quality and environmentally acceptable products for energy production from coal A process for producing enhanced quality adsorbent carbons and environmentally acceptable materials for energy production from coal includes an initial step of physically cleaning the coal to remove organic sulfur and mineral tailings. Next, a coal slurry... | 09/28/1993 |
