| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 208428000 | Including contact with extraneous additive other than hydrogen, e.g., solvent, etc. | 25 |
| 20100006477 | METHOD OF PRODUCING ASHLESS COAL - A method of producing ashless coal used in caking coal for coke for iron making includes a slurry preparation step (S | 01-14-2010 |
| 20100038288 | REFINING COAL-DERIVED LIQUID FROM COAL GASIFICATION, COKING, AND OTHER COAL PROCESSING OPERATIONS - A method of treating a coal-derived liquid byproduct from a coal gasification process includes subjecting the coal-derived liquid to a vacuum distillation process, thereby separating the coal-derived liquid into condensed gas and coal-derived liquid bottoms. The coal-derived liquid bottoms are mixed with a bottoms solvent capable of dissolving the coal-derived liquid bottoms. The solvent/bottoms mixture is introduced along with a linear chain hydrocarbon solvent into a liquid extractor. The Raffinate is separated from the solvent for the coal-derived liquid/bottoms mixture, thereby producing a heavy extract. The condensed gas is subjected to atmospheric distillation producing a bottoms fraction and another condensed fraction. The bottoms fraction may be used as fuel or for diesel fuel production. The condensed fraction is extracted with a linear hydrocarbon solvent in an extractor to produce light neutral oil and a Raffinate which is a cresylic acid feed stock. | 02-18-2010 |
| 20130032511 | APPARATUS AND PROCESSES FOR PRODUCTION OF COAL DERIVED OIL PRODUCTS - Apparatus and processes for production of coal derived oils from a mixture of pulverized coal and a coal solvent in predetermined proportions, which when agitated produces a substantially ash-free coal slurry liquid. Subsequently the coal slurry liquid is heat treated in a fractionator to produce predetermined products, and a portion of the resultant coal solvent is recovered and recycled to produce coal derived oils. | 02-07-2013 |
| 20130092602 | Continuous Reaction System Comprising Subcritical Or Supercritical Liquid As Solvent And Reactant As Solid - A continuous reaction system is provided, which specifically relates to a continuous reaction system comprising subcritical and/or supercritical liquid as solvents and a reactant as solid. The invention can effectively prevent cavitations in the reaction system effectively, and realize maximum conversion of the solid reactant material. | 04-18-2013 |
| 20150136659 | HYDROPROCESS FOR A HYDROCARBON STREAM FROM COAL TAR - A coal tar process is described. A coal tar stream is provided, and the coal tar stream is separated to provide a plurality of hydrocarbon streams. At least one of the hydrocarbon streams is hydroprocessed in a fluidized bed hydroprocessing zone with a catalyst to provide a gaseous volatile product and a solid heavy hydrocarbon product absorbed onto the catalyst. The gaseous volatile product is separated from the catalyst. The catalyst is regenerating by separating the absorbed heavy hydrocarbon product from the catalyst. The regenerated catalyst is recycled into the hydroprocessing zone. | 05-21-2015 |
| 208429000 | Distinct addition zones | 2 |
| 20120187028 | APPARATUS AND METHOD FOR REMOVING AND RECOVERING OIL FROM SOLIDS - A method and apparatus for removing and recovering oil from wellbore cuttings is provided. Oil-contaminated solids are transported through two or more solvent baths on vibrating conveyors and contacted with solvent flowing countercurrent to the direction of transport of the oil-contaminated solids through the baths such that oil contaminant is separated from the solids. | 07-26-2012 |
| 20140346090 | ENZYMATIC DEPOLYMERIZATION AND SOLUBILIZATION OF CHEMICALLY PRETREATED COAL AND COAL-DERIVED CONSTITUENTS - Use of chemical pretreatment agents on the subsequent enzymatic conversion of coal is described. As an example, fungal manganese peroxidase (MnP) produced by the agaric white-rot fungus | 11-27-2014 |
| 208430000 | Contact with additive, followed by chemical conversion | 5 |
| 20110000825 | CARBONACEOUS MATERIAL UPGRADING USING SUPERCRITICAL FLUIDS - Systems and methods for extracting, handling and upgrading carbonaceous material. The systems and methods involve forming a reaction mixture of a carbonaceous material, a supercritical fluid, a catalyst and a source of hydrogen, and maintaining the reaction mixture at moderate temperatures for modest time periods. Exemplary reaction temperatures are those below 200° C. Exemplary reaction times range from 30 minutes to less than 24 hours. | 01-06-2011 |
| 20120097579 | Method of Forming a Mesophase Pitch from a Coal Extract Suitable for Processing to a High Value Coke - The present disclosure provides methods and systems for coal liquefaction and obtaining a mesophase pitch. A method of obtaining a quinolone insoluble-free and ash-free mesophase pitch may include exposing a coal to a hydrogenated vegetable oil in the presence of a coal-derived solvent to form a slurry, elevating the temperature of the slurry to facilitate liquefying the coal and liberating a volatile matter, separating the insoluble components from the slurry to obtain a de-ashed coal extract that is quinoline insoluble-free, and distilling the coal extract under vacuum to obtain a mesophase pitch with a softening point in the range of 25 degrees Celsius to 160 degrees Celsius, wherein the mesophase pitch can be coked to obtain an anisotropic coke. A quinolone insoluble-free and ash-free pitch may be obtained by the method | 04-26-2012 |
| 20120097580 | Method of Obtaining a High Quality Coke from Low Rank Coal Liquefaction - The present disclosure provides methods and systems for coal liquefaction and obtaining a obtaining a high quality coke from a low rank coal extract. A method of obtaining a high quality coke from a low rank coal extract may include exposing a coal to a hydrogenated vegetable oil in the presence of a coal-derived solvent to form a slurry, elevating the temperature of the slurry to facilitate liquefying the coal and liberating a volatile matter, separating the insoluble components from the slurry to obtain a de-ashed coal extract that is quinoline insoluble-free, distilling the coal extract under vacuum to obtain a pitch with a suitable softening point, and coking the pitch to obtain a coke. The coke may be at least one of an anisotropic coke, a metallurgical coke, a graphite coke, an anode coke, and a needle coke. | 04-26-2012 |
| 20150129465 | SURFACE VERTICAL RETORT AND PROCESS TO OBTAIN OIL AND GAS FROM PYRO-BITUMINOUS OIL SHALE AND/ OR MATERIALS CONTAINING ORGANIC CARBON COMPOUNDS - The invention relates to a surface vertical shaft retort ( | 05-14-2015 |
| 20160168474 | Process for Depolymerizing Coal to Co-Produce Pitch and Naphthalene | 06-16-2016 |
| 208431000 | Specified hydrogen-donor solvent | 2 |
| 20100258479 | THERMAL DISSOLUTION CATALYSIS METHOD FOR PREPARING LIQUID FUEL FROM LIGNITE AND THE CATALYST AND THE SOLVENT SUITABLE FOR THE METHOD - The present invention relates to coal chemical processing, and particularly to a thermal dissolution catalysis method for preparing liquid fuel from lignite. The method comprises steps of: 1) crushing and drying lignite into coal powder; 2) stirring and mixing coal powder, a solvent and a catalyst sufficiently to form coal slurry, wherein there are 30-40% mass of coal powder, 60-70% mass of solvent, and 0.5-1% mass of catalyst relative to coal powder mass; 3) subjecting the coal slurry to thermal dissolution catalysis reaction to obtain thermal dissolution liquefied product, wherein the reaction is carried out for 30-60 minutes at a temperature 390-450° C. under a pressure 5.0-9.0 MPa; 4) separating the thermal dissolution liquefied product into gas, liquid and solid phases; and 5) upgrading the liquid product into liquid fuel. The present invention further discloses a catalyst and a solvent for use in the above method. The method according to the present invention requires moderate operation conditions and can enable organic matter in the lignite to convert at a relatively high level, the liquid fuel product, after being processed, can be used to prepare engine fuel meeting a national standard; the method requires a simple preparation apparatus, a small investment and a low cost and is a coal liquefying method meeting China's status quo. | 10-14-2010 |
| 20150060335 | Gasification of a Carbonaceous Material - The invention provides methods and apparatus ultimately for converting a carbonaceous material to liquid hydrocarbons suitable for use, for example, as transportation fuels. In a first step the carbonaceous material is converted to a syngas product, and in subsequent steps the syngas product is converted to the desired liquid hydrocarbons. In one embodiment, coal and methane are converted to syngas, and the syngas product is converted to hydrocarbons through a methanol intermediate. An example use for the methods and apparatus of the invention is in the preparation of aviation fuels. | 03-05-2015 |
| 208434000 | Additive is petroleum or fraction from petroleum refining | 2 |
| 20120080358 | Pipeline Crude Oil in Coal Liquefaction - The present disclosure provides methods and systems for coal liquefaction using a pipeline crude oil. A method of obtaining a de-ashed coal extract includes exposing a coal to a pipeline crude oil to form a slurry, elevating the temperature of the slurry to facilitate liquefying the coal and liberating a volatile matter, and separating the insoluble components from the slurry to obtain a de-ashed coal extract, wherein the coal extract is suitable for downstream processing. | 04-05-2012 |
| 20140014558 | Integrated Oil Production and Upgrading Using Molten Alkali Metal - A method that combines the oil retorting process (or other process needed to obtain/extract heavy oil or bitumen) with the process for upgrading these materials using sodium or other alkali metals. Specifically, the shale gas or other gases that are obtained from the retorting/extraction process may be introduced into the upgrading reactor and used to upgrade the oil feedstock. Also, the solid materials obtained from the reactor may be used as a fuel source, thereby providing the heat necessary for the retorting/extraction process. Other forms of integration are also disclosed. | 01-16-2014 |
| 208435000 | Additive is specified catalyst or liquid solvent or dispersant | 9 |
| 20100044277 | SYSTEM AND METHOD FOR PRETREATMENT OF SOLID CARBONACEOUS MATERIAL - This invention encompasses systems and methods for pretreating a carbonaceous material, comprising heating to a suitable temperature and for a suitable reaction time, a mixture comprising the carbonaceous material, one or more catalysts or catalyst precursors and a hydrocarbonaceous liquid. | 02-25-2010 |
| 20100187162 | IMPROVED PROCESS FOR CONVERTING CARBON-BASED ENERGY CARRIER MATERIAL - A catalytic process is disclosed for converting solid or high viscosity carbon-based energy carrier materials, such as heavy crudes, oil sands, synthetic polymeric wastes and cellulosic or aquatic biomass. The conversion temperature is less than 450° C. The reaction products are separated from the catalyst within 10 seconds after being formed. The temperature of the reaction products is lowered to less than 200° C. within 10 seconds after being formed. The process results in less deterioration of the reaction products. | 07-29-2010 |
| 20120091042 | Hydrogenated Vegetable Oil in Coal Liquefaction - The present disclosure provides methods and systems for coal liquefaction using a hydrogenated vegetable oil. A method of obtaining a de-ashed coal extract includes exposing a coal to a hydrogenated vegetable oil in the presence of a coal-derived solvent to form a slurry, elevating the temperature of the slurry to facilitate liquefying the coal and liberating a volatile matter, and separating the insoluble components from the slurry to obtain a de-ashed coal extract, wherein the coal extract is suitable for downstream processing. | 04-19-2012 |
| 20120091043 | Rubber Material in Coal Liquefaction - The present disclosure provides methods and systems for coal liquefaction using a rubber material. A method of obtaining a de-ashed coal extract includes exposing a coal to a rubber material in the presence of a coal-derived solvent to form a slurry, elevating the temperature of the slurry to facilitate liquefying the coal and liberating a volatile matter, and separating the insoluble components from the slurry to obtain a de-ashed coal extract, wherein the coal extract is suitable for downstream processing. | 04-19-2012 |
| 20120091044 | Sewage Material in Coal Liquefaction - The present disclosure provides methods and systems for coal liquefaction using a sewage material. A method of obtaining a de-ashed coal extract includes exposing a coal to a sewage material in the presence of a coal-derived solvent to form a slurry, elevating the temperature of the slurry to facilitate liquefying the coal and liberating a volatile matter, and separating the insoluble components from the slurry to obtain a de-ashed coal extract, wherein the coal extract is suitable for downstream processing. | 04-19-2012 |
| 20120298561 | Method and Apparatus for Converting Coal to Petroleum Product - The present invention provides a method of converting coal to a petroleum product. The method includes the steps of mixing the coal and water to form a mixture, and heating the mixture to approximately 500 degrees Fahrenheit. The method further includes separating the mixture in a first separator into a liquid stream of a water bearing minerals and a solid stream of coal, and transferring the coal from the first separator to a coking reactor wherein the temperature is raised to approximately 1,000 degrees Fahrenheit to drive off lighter fractions of the coal as a gas. The method also includes transferring the gas to a fourth separator to separate water and liquid petroleum product from the gas. | 11-29-2012 |
| 20130168295 | CATALYTIC RETORTING PROCESS FOR OIL SANDS AND OIL SHALE - Disclosed is a method of retorting an oil sands or oil scale material to recover the hydrocarbon values therein in the form of crude oil products. Dried crushed material is directed to a retort unit in which the material is heated in the present of a catalyst to generate a gas byproduct containing the desired hydrocarbon values and a solid byproduct containing carbon. The gas byproduct is treated in a condenser to cool the gas to recover desired crude oil products. The solids byproduct is calcined in a heated gas after which the calcined solids byproduct is separated from the heated gas. | 07-04-2013 |
| 20130277276 | QUATERNARY AMMONIUM SURFACTANTS - Provided herein, inter alia, are novel compositions and methods having application in the field of enhanced oil recovery. In particular, the quaternary ammonium compounds and mixtures thereof presented herein can be used, inter alia, for the recovery of a large range of crude oil compositions from challenging reservoirs. | 10-24-2013 |
| 20150136660 | PROCESS FOR REMOVING A CONTAMINANT FROM COAL TAR - A process for removing at least one contaminant from coal tar is described. The process involves extraction with an extraction agent or adsorption with an adsorbent. The extraction agent includes at least one of amphiphilic block copolymers, inclusion complexes of poly(methyl methacrylate) and polycyclic aromatic hydrocarbons, cyclodextrins, functionalized cyclodextrins, and cyclodextrin-functionalized polymers, and the adsorbent includes exfoliated graphite oxide, thermally exfoliated graphite oxide or intercalated graphite compounds. | 05-21-2015 |
