Matches 101 - 150 out of 157 < 1 2 3 4 >
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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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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.
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.
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...
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...
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...
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...
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,...
3542665 PROCESS OF CONVERTING COAL TO LIQUID PRODUCTS  
3520794 SOLVENT EXTRACTION METHOD  
3488278 PROCESS FOR TREATING COAL  
3484364 FLUIDIZED RETORTING OF OIL SHALE  
3477941 METHOD OF TREATING COAL  
3475319 RETORTING OF OIL SHALE  
3475317 METHOD AND APPARATUS FOR DESTRUCTIVE DISTILLATION OF SOLID HYDROCARBONACEOUS MATERIALS INCLUDING REACTIONS BETWEEN GASES AND UNSIZED SOLIDS AND THE PHYSICAL SEPARATION THEREOF  
3464892 TUNNEL OVEN WITH A SERIES OF MOVING BARGES AND SEPARATE COMPARTMENTS  
3437561 AGGLOMERATING COAL HYDROCARBONIZATION PROCESS  
3432397 METHOD OF RETORTING SOLIDS  
3421868 FREE FALL SHALE HYDROGASIFICATION  
3321393 Hydrogenation of coal  
3275546 Method of attriting solids in a hydrocracking process  
3247092 Quadri-phase low pressure method for partial liquefaction of coal  
3231486 Catalytic hydrogenation of carbonized coal vapors  
3224954 Recovery of oil from oil shale and the like  
3152063 Hydrogenation of coal  
3151054 Treating tar sands  
3122493 Method of petroleum recovery from mineral aggregates  
3117072 Recovery of oil from oil shale  
3106521 Method for the production of light oils from oil shale through the recombination of hydrogen originally contained therein  
3044948 Recovery of oil from tar sands  
2991164 Production of low molecular weight hydrocarbons from solid fossil fuels  
2987465 Gas-liquid contacting process  
2885337 Coal hydrogenation  
3660269 Title is not available  
3840456 Title is not available  
3583900 Title is not available  
3715301 Title is not available  
3565751 Title is not available  
3594305 Title is not available  
Matches 101 - 150 out of 157 < 1 2 3 4 >