Matches 51 - 100 out of 157 < 1 2 3 4 >
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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...
4323446 Multi-zone coal conversion process using particulate carrier material  
A multiple-zone fluidized bed coal conversion process for producing fuel gas and distillate liquid products. The coal is fed into an upper fluidized bed maintained at 950°-1500° F. for...
4322222 Process for the gasification of carbonaceous materials  
Carbonaceous material is gasified in a first pyrolysis zone substantially in an absence of free oxygen by heating with a solid heating media. The carbonaceous material is conducted through the...
4319982 Method of processing oil-shale or tar sand  
Oil-shale or tar sand is subjected to hydrogenating carbonization and the residue is passed into a combustion zone wherein residual coke in the residue is reacted with oxygen. At least part of the...
4316793 Hydroliquefaction of coal  
Coal is catalytically hydroliquefied by passing coal dispersed in a liquefaction solvent and hydrogen upwardly through an expanded catalyst bed in a stream having a cross-sectional flow area of no...
4312741 Process and apparatus for catalytic hydrocarbon conversion  
A catalytic process for the conversion of hydrocarbons or bituminous shales or carbon monoxide in the liquid phase in contact with hydrogen flowing upwardly through a series of successive stages,...
4298451 Two stage liquefaction of coal  
A two stage coal liquefaction process and apparatus comprising hydrogen donor solvent extracting, solvent deashing, and catalytic hydrocracking. Preferrably, the catalytic hydrocracking is...
4298453 Coal conversion  
A process for the catalytic devolatilization of coal is disclosed wherein a selected mixture of preheated coal particles and hot catalyst solids is contacted with a gaseous material such as steam...
4290999 Apparatus for direct liquefaction  
In a process for directly liquefying coal, a paste consisting of finely divided coal, catalyst and heavy oil can be treated for thermal cracking and hydrocracking with a high liquid/space ratio and...
4280893 Integrated coal conversion process  
An integrated process for the conversion of coal to liquid and gaseous fuels is disclosed. Coal and oil are hydrocracked in the presence of a particulate maxture of sand or clay and an iron and...
4243509 Coal hydrogenation  
Disclosure is made of a method and apparatus for reacting carbonaceous material such as pulverized coal with heated hydrogen to form hydrocarbon gases and liquids suitable for conversion to fuels...
4234407 Reactor and method for hydrocracking carbonaceous material  
Solid, carbonaceous material is cracked in the presence of hydrogen or other reducing gas to provide aliphatic and aromatic hydrocarbons of lower molecular weight for gaseous and liquid fuels. The...
4234408 Process for hydrocracking carbonaceous material in liquid carrier  
Solid carbonaceous material is hydrocracked to provide aliphatic and aromatic hydrocarbons for use as gaseous and liquid fuels or chemical feed stock. Particulate carbonaceous material such as coal...
4229283 Fluid hydrocoking with the addition of dispersible metal compounds  
A high pressure fluid hydrocoking process is provided in which certain metal compounds which act as coke forming inhibitors are dispersed in the coker chargestock. Preferred compounds are...
4226698 Ash removal and synthesis gas generation from heavy oils produced by coal hydrogenation  
Coal hydrogenation processes which produce a residual fraction containing carbonaceous material and ash as well as the desired hydrocarbon product fractions are improved by introducing the residual...
4225414 Process for hydrocracking carbonaceous material to provide fuels or chemical feed stock  
A process is disclosed for hydrocracking coal or other carbonaceous material to produce various aromatic hydrocarbons including benzene, toluene, xylene, ethylbenzene, phenol and cresols in...
4224136 Process for the solvent extraction of solid carbon-containing materials, principally coal  
A solid carbonaceous material principally coal is subjected to a solvent extraction by [a] introducing a hydrogen donor-solvent and the carbonaceous particulate material into a generally...
4221653 Catalytic hydrogenation process and apparatus with improved vapor liquid separation  
A continuous hydrogenation process and apparatus wherein liquids are contacted with hydrogen in an ebullated catalyst reaction zone with the liquids and gas flowing vertically upwardly through that...
4206032 Hydrogenation of carbonaceous materials  
A method for reacting pulverized coal with heated hydrogen-rich gas to form hydrocarbon liquids suitable for conversion to fuels wherein the reaction involves injection of pulverized coal entrained...
4200495 Prevention of defluidization in the treatment of caking carbonaceous solids  
In the introduction of fresh carbonaceous particles into a fluid-bed reaction zone at injection velocities in excess of 20 ft/sec, a shroud gas is passed through a shroud passage on the injection...
4200494 Method of preventing defluidization of carbonaceous particles  
Fresh carbonaceous particles are introduced into a fluid-bed reaction zone containing a bed of non-agglomerating particles at an injection velocity in excess of about 200 ft/sec with the fresh...
4199432 Staged turbulent bed retorting process  
A continuous process is disclosed for the retorting of shale and other similar hydrocarbon-containing solids of a broad particle size distribution in which the solids to be retorted are introduced...
4191629 Reactor residuum concentration control in hydroconversion of coal  
A process for the hydrogenation of coal at elevated temperature is disclosed, wherein particulate coal having an average particle size of less than 1000 microns is admixed with a liquid hydrocarbon...
4169041 Fluid coking with the addition of dispersible metal compounds  
A fluid hydrocoking process is provided in which certain metal compounds are dispersed in the coker chargestock. Preferred compounds are molybdenum compounds, for example, molybdenum naphthenate.
4169128 Coal liquefaction apparatus  
Disclosure is made of an apparatus for reacting carbonaceous material with heated hydrogen to form hydrocarbon gases and liquids suitable for conversion to fuels wherein the reaction involves...
4162959 Production of hydrogenated hydrocarbons  
In a continuous process for recovery of values from a solid carbonaceous material, the carbonaceous material is pyrolyzed in the presence of a particulate source of heat to yield a particulate...
4157246 Hydrothermal alkali metal catalyst recovery process  
In a coal gasification operation or similar conversion process carried out in the presence of an alkali metal-containing catalyst wherein solid particles containing alkali metal residues are...
4141794 Grid-wall pyrolysis reactor  
A carbonaceous material is pyrolyzed by introducing the carbonaceous material to a fast fluidized bed contained by a perforated wall and introducing a particulate source of heat through the...
4123348 Process for catalytic hydrogenation of coal  
A process for performing reactions in a reaction vessel contaning a catalyst bed of solid particles wherein the reaction between reactants is enhanced by imparting pulsating motion to the solid...
4118201 Production of low sulfur fuels from coal  
A general method for producing low-sulfur gas and solid fuel is disclosed. Such method involves partial gasification of coal, using steam and an oxygen-containing gas, to produce low-B.t.u. fuel...
4111788 Staged hydrogenation of low rank coal  
The hydrogenation of low rank coal to produce hydrocarbon liquids and gases is conducted in a first stage reaction zone at elevated temperature and pressure and without catalyst, followed by...
4111663 Reactor for solvent refined coal  
An improved reactor and method for use in solvent refining of coal, wherein the reactor is divided into a number of compartments and has an inlet port at the bottom thereof for receiving a mixture...
4104035 Preparation of solid fuel-water slurries  
Preparation of a solid fuel-water slurry suitable for use as feed to a partial oxidation zone for the production of synthesis gas by forming a mixture of finely-divided solid fuel and water,...
4097361 Production of liquid and gaseous fuel products from coal or the like  
A continuous deep hydrogenation coal liquefaction process is disclosed wherein a slurry of powdered coal or other carbonaceous material in a recycle solvent is passed with hydrogen through a...
4094766 Coal liquefaction product deashing process  
Liquefaction of coal is effected by extraction of coal by a distillable solvent in the presence of hydrogen under conditions selected to produce a coal liquefaction product, the major portion of...
4094767 Fluidized bed retorting of tar sands  
Raw tar sand is treated in a fluidized bed reactor means wherein the raw tar sands are fed into an area below the top of the bed. The bitumen is converted in the process in a reducing atmosphere...
4092237 Process for treating oil shales  
In accordance with this invention, oil shale is introduced into a lock which discharges into a closed, vertical, stationary kiln fitted with mechanisms which cause the particulate oil shale to move...
4087347 Shale retorting process  
Disclosed is a process for the retorting of shale and other similar hydrocarbon-containing solids in which the solids to be retorted are mixed with a solid heat transfer material to rapidly heat...
4081361 Process for the conversion of carbonaceous materials  
A process for converting solid carbonaceous material to a liquid product which involves heating a slurry composed of the solid carbonaceous material and a solvent, together with hydrogen, at...
4080282 Catalytic reactor and process for hydrogenating solid-containing carbonaceous materials in said reactor  
A novel catalytic reactor comprising an elongated reaction chamber and catalytic elements composed of alumina and a hydrogenation catalyst vertically disposed within the reaction chamber and a coal...
4075081 Fluidized bed hydroretorting of oil shale  
Oil shale, crushed to about 70 mesh size (300 microns or less), is slurried with a recycle stream from the processing of the reactor effluent. The slurry is then heated and charged, along with...
4054504 Catalytic hydrogenation of blended coal and residual oil feeds  
A process is provided for the simultaneous conversion of coal and residuum oil to predominantly liquid products, employing ebullated bed techniques. A fluid blend of particulate coal admixed with...
4045329 Coal hydrogenation with selective recycle of liquid to reactor  
Coal is hydrogenated in an upflow, random motion, gas-liquid-catalyst process in which the heavy liquids (800° F to 1000° F) are recycled to the reactor to optimize production of preferred...
4043897 Oil shale retorting  
An improved process for educing shale oil having a low arsenic content and for producing hydrogen from oil shale in high yields comprises passing the oil shale upwardly through a gas-heated...
4032429 Coal liquefaction process using an aluminum phosphate supported catalyst  
A process for the liquefaction of coal in the presence of hydrogen and a solid supported catalyst containing a hydrogenation component and wherein the support comprises an amorphous aluminum...
4010092 Oil shale retorting-gasification process  
Spent, coke-containing shale derived from a gas-heated eduction zone is passed through a combustion-gasification zone countercurrently to an upflowing mixture of steam and oxygen-containing gas to...
4001105 Hydrocracking process for the production of synthetic fuels  
This invention is a process for the continuous and simultaneous retorting and hydrocracking of the carbonaceous materials found in such carbon containing solids as oil shale, coal, tar sands,...
3997426 Process for the conversion of carbonaceous materials  
A process is provided for the conversion (including upgrading) of solid carbonaceous materials, in particular for the hydrogenation of coal slurries. The process comprises passing a slurry composed...
3988236 Process for the continuous hydrocarbonization of coal  
A continuous, hydrocarbonization process wherein a dense-phase flow of coal particles is indirectly preheated in the absence of oxygen to a temperature below the temperature at which the coal...
3988237 Integrated coal hydrocarbonization and gasification of char  
An integrated continuous process for the production of liquid and gaseous fuels wherein coal particles are hydrocarbonized with a hydrogen-rich gas supplied by a gasification process employing two...
Matches 51 - 100 out of 157 < 1 2 3 4 >