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3963598 |
Flash hydrogenation of coal
A process for the hydrogenation of coal comprising the contacting of powdered coal with hydrogen in a rotating fluidized bed reactor. A rotating fluidized bed reactor suitable for use in this...
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3960700 |
Coal hydrogenation to produce liquids
Crushed coal is mixed with hot hydrogen, at 500° to 1,500°C. and 600 to 3,000 psig., in a reactor, and then, after a short reaction time, rapidly quenched. The total heat-up, reaction, and quench...
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3957619 |
Process for the conversion of carbonaceous materials
A process is provided for the conversion (including upgrading) of solid carbonaceous materials, and in particular for the hydrogenation of coal slurries. The process comprises passing a slurry...
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3933618 |
Gas generation apparatuses and processes
Readily maintained and operated apparatus for generation of combustible gas mixture and motor fuels from coal with cycling of the heat energy sources for heating coal.
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3929615 |
Production of hydrocarbon gases from oil shale
A process for the production of hydrocarbon gases from oil shale comprising the steps of gradually preheating oil shale in a preheat and prehydrogenation zone to a temperature of about 700° to...
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3922215 |
Process for production of hydrocarbon liquids and gases from oil shale
A process for the production of hydrocarbon liquids and gases from oil shale comprising the steps of gradually preheating oil shale in a preheat and prehydrogenation zone to a temperature of about...
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3892654 |
Dual temperature coal solvation process
A solvation process for producing deashed solid and liquid hydrocarbonaceous fuel from coal. Raw coal is slurried with a solvent comprising hydroaromatic compounds in contact with hydrogen in a...
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3884794 |
Solvent refined coal process including recycle of coal minerals
A solvation process for producing deashed solid and liquid hydrocarbonaceous fuel from carbon. Raw coal is slurried with a solvent comprising hydroaromatic compounds in contact with hydrogen in a...
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3884795 |
Solvent refined coal process with zones of increasing hydrogen pressure
A solvation process for producing deashed solid and liquid hydrocarbonaceous fuel from coal. Raw coal is slurried with a solvent comprising hydroaromatic compounds in contact with hydrogen in a...
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3884796 |
Solvent refined coal process with retention of coal minerals
A solvation process for producing deashed solid and liquid hydrocarbonaceous fuel from coal. Raw coal is slurred with a solvent comprising hydroaromatic compounds in contact with hydrogen in a...
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3862108 |
HYDROGENATION OF RESIDUUM
In the hydrodesulfurization of bitumen from certain natural tar sands, such as the Athabasca sands, acceptable hydroconversion levels can be obtained by the use of particulate contact solids...
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3839186 |
PROCESS FOR PRODUCING VOLATILE HYDROCARBON PRODUCTS FROM COAL AND HYDROGEN
A process for producing volatile hydrocarbons, including aromatics and olefins, from coal using two fluidized beds of devolatilized cell particles. Finely divided coal is passed into a first...
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3755136 |
SYSTEM FOR REMOVING SOLIDS FROM COAL LIQUEFACTION REACTOR EFFLUENTS
This is a process for separating liquid and solids from coal liquefaction reactions by vaporization with hot, hydrogen-rich gas.
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3729407 |
HYDROGENATION PROCESS UTILIZING RECOVERED CATALYST
In a hydrogenation process where molybdenum oxide or sulfide is used as catalyst, the improvement of condensing vapors of recovered catalyst in the feed stream to the hydrogenation unit.
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3652446 |
COMBINATION PROCESS FOR LIQUEFACTION OF COAL AND CATALYTIC CRACKING OF SELECTED FRACTIONS THEREOF
The present process is a combination of a liquid fluidized bed catalytic coal liquefaction zone and a fluidized catalytic cracking zone. In the liquefaction zone, finely divided coal is contacted...
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3644192 |
UPFLOW THREE-PHASE FLUIDIZED BED COAL LIQUEFACTION REACTOR SYSTEM
A coal/liquid slurry is conducted upwardly in a three-phase fluidized state through a plurality of vessels connected in series, with the gas generated in each individual vessel being purged to a...
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3640816 |
MULTIPLE STAGE PROCESS FOR PRODUCING LIGHT LIQUIDS FROM COAL
A multiple stage process for producing light liquids from coal wherein a slurry of pulverized coal, a solvent therefor and hydrogen is charged under pressure into a first reaction zone where the...
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3617468 |
PROCESS FOR REMOVING THE HYDROCARBON CONTENT OF CARBONACEOUS MATERIALS
A process for the recovery of volatile material from solid carbonaceous material, such as oil shale, tar sands, coal, lignite and the like, which comprises introducing the solid carbonaceous...
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3617465 |
COAL HYDROGENATION
A coal hydrogenation process employing an expanded particulate solids bed wherein the solids are derived from the coal which is placed in random motion by the upflow of a slurry of coal,...
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3542665 |
PROCESS OF CONVERTING COAL TO LIQUID PRODUCTS
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3520794 |
SOLVENT EXTRACTION METHOD
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3488278 |
PROCESS FOR TREATING COAL
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3484364 |
FLUIDIZED RETORTING OF OIL SHALE
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3477941 |
METHOD OF TREATING COAL
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3475319 |
RETORTING OF OIL SHALE
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3475317 |
METHOD AND APPARATUS FOR DESTRUCTIVE DISTILLATION OF SOLID HYDROCARBONACEOUS MATERIALS INCLUDING REACTIONS BETWEEN GASES AND UNSIZED SOLIDS AND THE PHYSICAL SEPARATION THEREOF
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3464892 |
TUNNEL OVEN WITH A SERIES OF MOVING BARGES AND SEPARATE COMPARTMENTS
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3437561 |
AGGLOMERATING COAL HYDROCARBONIZATION PROCESS
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3432397 |
METHOD OF RETORTING SOLIDS
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3421868 |
FREE FALL SHALE HYDROGASIFICATION
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3321393 |
Hydrogenation of coal
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3275546 |
Method of attriting solids in a hydrocracking process
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3247092 |
Quadri-phase low pressure method for partial liquefaction of coal
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3231486 |
Catalytic hydrogenation of carbonized coal vapors
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3224954 |
Recovery of oil from oil shale and the like
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3152063 |
Hydrogenation of coal
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3151054 |
Treating tar sands
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3122493 |
Method of petroleum recovery from mineral aggregates
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3117072 |
Recovery of oil from oil shale
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3106521 |
Method for the production of light oils from oil shale through the recombination of hydrogen originally contained therein
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3044948 |
Recovery of oil from tar sands
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2991164 |
Production of low molecular weight hydrocarbons from solid fossil fuels
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2987465 |
Gas-liquid contacting process
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2885337 |
Coal hydrogenation
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3660269 |
Title is not available
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3840456 |
Title is not available
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3583900 |
Title is not available
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3715301 |
Title is not available
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3565751 |
Title is not available
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3594305 |
Title is not available
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