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| Number | Title | Issue Date |
| 7328805 | Method and system for beneficiating gasification slag The present invention provides a method of beneficiating slag, including mixing the slag with water to form a slurry. The slurry is screened through a first screen to remove a first portion of material and then screened through a second screen to remove a second por... | 02/12/2008 |
| 6156946 | Biological activation of aromatics for chemical processing and/or upgrading of aromatic compounds, petroleum, coal, resid, bitumen and other petrochemical streams The present invention is a process for transforming aromatic organic compounds and resource materials. The process includes the steps of contacting an organic material selected from the group consisting of single and/or multi-ring aromatic compounds and a... | 12/05/2000 |
| 5255504 | Electrical power generation A method for combined cycle electrical power generation comprises utilizing a coal hydrogenator 2 and a reactor 1 for producing from a methane-rich gas a hot crude hydrogen-containing gas which is fed directly (apart from an optional quenching stage) to t... | 10/26/1993 |
| 5253469 | Electrical power generation A method for combined cycle electrical power generation comprises utilizing a coal hydrogenator 1 to produce gaseous, liquid and char products. The gaseous product, an optionally the liquid product, is combusted to drive a gas turbine 4, which in turn dri... | 10/19/1993 |
| 5151173 | Conversion of coal with promoted carbon monoxide pretreatment This invention is directed to a process for pretreating coal preliminary to a primary liquefaction or hydroconversion block. In the process, a coal feed, slurried in a solvent, is reacted with carbon monoxide in the presence of a chemical promoter at an e... | 09/29/1992 |
| 5128017 | Single-step coal liquefaction process A process for the single-step coal liquefaction is disclosed, which comprises reacting coal in an aqueous suspension with carbon monoxide in the presence of a CO-conversion catalyst selected from the group consisting of an alkaline hydroxide and a carbona... | 07/07/1992 |
| 5110450 | Coal extract hydroconversion process comprising solvent enhanced carbon monoxide pretreatment An improved process for the hydroconversion of coal, wherein coal is slurried in an organic solvent and subjected to pretreatment with carbon monoxide, followed by separation of a solvent-soluble phase comprising hydrocarbon material from the coal, and su... | 05/05/1992 |
| 5071540 | Coal hydroconversion process comprising solvent extraction and combined hydroconversion and upgrading An improved process for the hydroconversion of coal comprising pretreating coal in an aqeuous carbon monoxide-containing environment, followed by extracting a soluble hydrocarbon material from the coal, and subsequently hydroconverting the extracted mater... | 12/10/1991 |
| 5026475 | Coal hydroconversion process comprising solvent extraction (OP-3472) An improved process for the hydroconversion of coal comprising pretreating coal in an aqueous carbon monoxide-containing environment, followed by extracting a soluble hydrocarbon material from the coal, and subsequently hydroconverting the extracted mater... | 06/25/1991 |
| 5017282 | Single-step coal liquefaction process A process for the single-step coal liquefaction is disclosed, which comprises reacting coal in an aqueous suspension with carbon monoxide in the presence of a CO-conversion catalyst selected from the group consisting of an alkaline hydroxide and a carbona... | 05/21/1991 |
| 4968414 | Process for single-step coal liquefaction A process for the single-step coal liquefaction is disclosed, which comprises reacting the coal in an aqueous suspension with carbon monoxide in the presence of a CO-conversion catalyst selected from an alkaline hydroxide or carbonate, wherein the reactio... | 11/06/1990 |
| 4909928 | Coating of solid carbonaceous material with hydrocarbon liquid in process utilizing water containing system for receiving such carbonaceous material therethrough A process is provided wherein a carbonaceous material, such as oil shale, is coated with a hydrocarbon liquid, such as shale oil, prior to introduction of the carbonaceous material to a water containing, sealed system, through which the carbonaceous mater... | 03/20/1990 |
| 4900429 | Process utilizing pyrolyzation and gasification for the synergistic co-processing of a combined feedstock of coal and heavy oil to produce a synthetic crude oil An energy integrated process for the production of a synthetic crude oil product from heavier oils and coal in which coal is pyrolyzed and a combined feedstock of coal, coal volatiles and a heavy oil product is co-processed to produce a synergistic yield ... | 02/13/1990 |
| 4854937 | Method for preparation of coal derived fuel and electricity by a novel co-generation system A method for preparing a transportable fuel composition and for simultaneously producing electricity by utilizing a novel co-generation configuration. Coal or coal-derived fuels are used to generate electrical power. The waste heat from the power generati... | 08/08/1989 |
| 4725350 | Process for extracting oil and hydrocarbons from crushed solids using hydrogen rich syn gas Process and apparatus for extraction of oil and hydrocarbons from crushed hydrocarbonaceous solids, such as tar sands, involving the pyrolyzing of the said solids with syn gas rich in hydrogen, and preferably syn gas obtained from the gasification of coal... | 02/16/1988 |
| 4610777 | Coal liquefaction with Mn nodules A method for the liquefaction of coal under coal liquefaction conditions in the presence of manganese nodules in combination with an improved coal liquefaction solvent. Liquid yields are increased when the solvent, containing substantially only polyconden... | 09/09/1986 |
| 4594140 | Integrated coal liquefaction, gasification and electricity production process Methods for the physical and operational integration of a carbonaceous gasification plan, a gaseous fuel synthesis plant and a power generation station to economincally produce synfuel and electrical power comprising producing gases comprising carbon mono... | 06/10/1986 |
| 4560547 | Production of hydrogen from oil shale A process for production of hydrogen from oil shale fines by direct introduction of the oil shale fines into a fluidized bed at temperatures about 1200° to about 2000° F. to obtain rapid heating of the oil shale. The bed is fluidized by upward passage o... | 12/24/1985 |
| 4551223 | Thermal flashing of carbonaceous materials A method for thermally flashing gases and liquids from a particle-form, normally solid carbonaceous material, including: contacting the carbonaceous material with a gas, which may supply at least part of the necessary heat, at essentially atmospheric pres... | 11/05/1985 |
| 4526679 | Removal of low melting particles from unground coal liquefaction residue A mixture of low melting particles and high melting particles is heated to a temperature above the melting point of the low melting particles and below the melting point of the high melting particles thereby melting the low melting particles and forming a... | 07/02/1985 |
| 4523986 | Liquefaction of coal Coal or similar solid carbonaceous fuels are liquefied by catalytic hydrogenation of coal-liquid hydrocarbon oil slurries with a hydrogen-rich gas. Both the liquid hydrocarbon slurrying oil and the hydrogen-rich gas are derived in the process. Noxious hyd... | 06/18/1985 |
| 4519895 | Process for converting a carbonaceous material to lower paraffinic hydrocarbons and monocyclic aromatic hydrocarbons A carbonaceous material is subjected, in admixture with a hydrogenated recycle oil, to hydrogenation in two successive steps at respective temperature ranges of 350°-470° C. and 600°-1000° C., under a pressure of at least 20 bars, the resulting p... | 05/28/1985 |
| 4518480 | Process for the efficient utilization of solvent modified oil shales A combination process for the treatment of oil shale to recover hydrocarbonaceous material therefrom comprising the steps of solvent treating said oil shale, sequentially solvent extracting said treated oil shale, hydrotreating the extracts and processing... | 05/21/1985 |
| 4515678 | Process and catalyst for the hydrogenation of coal Blast furnace flue dust is used as a catalyst in a process for the hydrogenation of coal. A flowable mixture of finely divided coal particles and liquid hydrocarbons is brought to high pressure and to reaction temperature. The mixture is hydrogenated with... | 05/07/1985 |
| 4495054 | Method of operating a blast furnace to extract carbonaceous oil and gas from bituminous materials A blast furnace is employed to process a natural material selected from the group consisting of oil shale, oil sandstone, asphalt rock or mixtures thereof. A first carbonaceous material selected from the group consisting of oil shale, oil sandstone, aspha... | 01/22/1985 |
| 4472264 | Process for converting solid carbonaceous materials to methane Process for converting solid carbonaceous materials to methane, comprising (a) converting the carbonaceous material by means of a reducing gas at 300°-500° C. to a semi-oily phase adapted to be pumped and atomized, (b) heating falling droplets of said s... | 09/18/1984 |
| 4400263 | H-Coal process and plant design A process for converting coal and other hydrocarbonaceous materials into useful and more valuable liquid products. The process comprises: feeding coal and/or other hydrocarbonaceous materials with a hydrogen-containing gas into an ebullated catalyst bed r... | 08/23/1983 |
| 4392940 | Coal-oil slurry preparation A pumpable slurry of pulverized coal in a coal-derived hydrocarbon oil carrier which slurry is useful as a low-ash, low-sulfur clean fuel, is produced from a high sulfur-containing coal. The initial pulverized coal is separated by gravity differentiation ... | 07/12/1983 |
| 4388172 | Liquefaction of coal In a method for the liquefaction of coal which has chlorine-containing compounds therein, which method comprises the hydrogenation of the coal in the presence of a catalyst, the improvement which comprises neutralizing the compounds with an alkali metal h... | 06/14/1983 |
| 4385980 | Coal treating process Pulverized coal is slurried with hydrogen donor solvent at atmospheric pressure and fed directly into a coker furnace and coking drum. Overhead products from the coking drum are fractionated, and a portion thereof is hydrogenated and used as donor solvent... | 05/31/1983 |
| 4379045 | Co-processing of residual oil and coal Visbreaking a mixture of petroleum residuum, coal and catalytic cracking catalyst under conditions severe enough to effect conversion but not so severe as to produce substantial quantities of coke produces a range of products including gaseous olefins and... | 04/05/1983 |
| 4336125 | Production of synthetic hydrocarbon fuels from peat A process and apparatus for production of synthetic hydrocarbon fuels from peat providing wide variation of the composite proportion of liquid-gas output while maintaining high overall carbon conversion to useful fuel. The process and apparatus utilizes t... | 06/22/1982 |
| 4331529 | Fluid coking and gasification process An integrated fluid coking and gasification process is provided in which a portion of the coke is gasified in a first gasification zone in the presence of an oxygen-containing gas to produce a hot gas and hot coke. A portion of the resulting hot coke is g... | 05/25/1982 |
| 4328089 | Combined dewatering and liquid phase hydrogenolysis of raw peat using carbon monoxide There is provided a process for the hydrogenolysis of raw humid peat by treating untreated peat as obtained from the bog with carbon monoxide at a temperature of from 350° to 373° C. and under a pressure up to 35 MPa and recovering bitumen-like compound... | 05/04/1982 |
| 4324637 | Pyrolysis process with feed pretreatment utilizing a beneficially reactive gas In a process for recovery of values contained in solid carbonaceous material, a solid carbonaceous material is comminuted and then treated in a pretreating zone at an elevated temperature with a capping agent which is at treating conditions either a liqui... | 04/13/1982 |
| 4324638 | Pyrolysis process for stabilizing volatile hydrocarbons In a process for recovery of values contained in solid carbonaceous material, the solid carbonaceous material is comminuted and then subjected to pyrolysis in the presence of a capping agent, and preferably in the presence of a solid particulate source of... | 04/13/1982 |
| 4324641 | Pyrolysis process utilizing a beneficially reactive gas In a process for recovery of values contained in solid carbonaceous material, a solid carbonaceous material is comminuted and then treated at an elevated temperature in a pretreatment zone with a first capping agent which is at treating conditions either ... | 04/13/1982 |
| 4324642 | Pyrolysis process for producing condensed stabilized hydrocarbons utilizing a beneficially reactive gas In a process for recovery of values contained in solid carbonaceous material, the solid carbonaceous material is comminuted and then subjected to pyrolysis, in the presence of a carbon containing solid particulate source of heat and a beneficially reactiv... | 04/13/1982 |
| 4324643 | Pyrolysis process for producing condensed stabilized hydrocarbons In a process for recovery of values contained in solid carbonaceous material, the solid carbonaceous material is comminuted and then subjected to pyrolysis, preferably in the presence of a solid particulate source of heat and a transport gas in a transpor... | 04/13/1982 |
| 4324640 | Pyrolysis process In a process for recovery of values contained in solid carbonaceous material, a solid carbonaceous material is comminuted and then treated at an elevated temperature in a pretreatment zone with a first capping agent which is at treating conditions either ... | 04/13/1982 |
