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7431831 Integrated in-line pretreatment and heavy oil upgrading process  
A new residuum full hydroconversion slurry reactor system has been developed that allows the catalyst, unconverted oil, products and hydrogen to circulate in a continuous mixture throughout an...
6258259 Iron sulfide and process for producing the same  
The invention provides an iron sulfide characterized in that it comprises FeS 2 , Fe 1 -X S, Fe 3 O 4 and FeSO 4 , and that the secondary particles thereof, have a 50% volume-cumulative particle...
6190542 Catalytic multi-stage process for hydroconversion and refining hydrocarbon feeds  
A multi-stage catalytic hydrogenation and hydroconversion process for heavy hydrocarbon feed materials such as coal, heavy petroleum fractions, and plastic waste materials. In the process, the...
5783065 Method for coal liquefaction  
A process is disclosed for coal liquefaction in which minute particles of coal in intimate contact with a hydrogenation catalyst and hydrogen are reacted for a very short time at a temperature in...
5454934 Coal liquefaction using atomically dispersed metals  
A method for converting solid carbonaceous materials to liquid products. The solid carbonaceous material is first treated with a aqueous composition of a metal carbonate or bicarbonate. This...
5389230 Catalytic hydroconversion process  
This invention relates to a catalytic process for converting a carbonaceous material to a liquid product. More specifically, this invention relates to a process for hydroconverting coal in a...
5338441 Liquefaction process  
The present invention relates to a catalytic process for converting a solid carbonaceous material, such as coal, to a liquid product in the presence of hydrogen. More particularly, this invention...
5200063 Coal hydroconversion process comprising solvent enhanced pretreatment with carbon monoxide  
This invention is directed to a staged process for producing liquids from coal or similar carbonaceous feeds combining a pretreatment stage and a liquefaction stage. In the process, the feed is...
5130013 Process for producing a liquefied coal oil and a catalyst for the process  
A process for producing a liquefied coal oil by a two step hydrogenation reaction of coal, which comprises subjecting coal to a first hydrogenation and subjecting at least a part of the reaction...
5120429 Co-processing of carbonaceous solids and petroleum oil  
In a process for producing distillates from coal by a first stage thermal liquefaction followed by a catalytic hydrogenation, liquefaction solvent is added at points spaced over the length of the...
5110452 Method of refining coal by catalyzed short residence time hydrodisproportionation to form a novel coal-derived fuel system  
This invention generally relates to a catalyzed short residence time decomposition and volatilization of coal to produce liquid co-products while minimizing production of char and gas without...
5096569 Catalytic hydropyrolysis of carbonaceous material with char recycle  
Disclosed is a method for catalytically hydropyrolyzing carbonaceous material to produce liquid products boiling under about 550° C. with reduced amounts of methane being formed. The process...
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...
5064527 Catalytic process for hydroconversion of carbonaceous materials  
An improved hydroconversion process for carbonaceous materials wherein a dihydrocarbyl substituted dithiocarbamate of a metal selected from any one of Groups IV-B, V-A, VI-A, VII-B, and VIII-A of...
5061363 Method for co-processing waste rubber and carbonaceous material  
In a process for the co-processing of waste rubber and carbonaceous material to form a useful liquid product, the rubber and the carbonaceous material are combined and heated to the...
5055181 Hydropyrolysis-gasification of carbonaceous material  
Disclosed is a process for obtaining liquids and gases from carbonaceous material, such as coal. The carbonaceous material is first treated with a gasification catalyst, and optionally a...
5055174 Hydrovisbreaking process for hydrocarbon containing feed streams  
At least one decomposable molybdenum compound selected from the group consisting of molybdenum dithiophosphates and molybdenum dithiocarbamates is mixed with a hydrocarbon-containing feed stream....
4923838 Process for preparing an iron-coal slurry catalyst for hydrocracking heavy oils  
A process for the conversion of a heavy hydrocarbon oil in the presence of hydrogen and iron-coal catalyst is described in which the iron-coal catalyst is prepared by grinding coal particles and...
4853111 Two-stage co-processing of coal/oil feedstocks  
A process for two-stage catalytic co-processing of coal and heavy petroleum hydrocarbon liquid fractions to produce increased yields of low-boiling hydrocarbon liquid and gas products. In the...
4851107 Process for the hydrogenation of heavy and residual oils  
A process for the hydrogenation of heavy oils, residual oils, waste oils, used oils, shell oils, and tar sand oils by hydrogenating a slurry of the oil at a partial hydrogen pressure of 50-300 bar,...
4842719 Catalytic two-stage coal hydrogenation and hydroconversion process  
A process for two-stage catalytic hydrogenation and liquefaction of coal to produce increased yields of low-boiling hydrocarbon liquid and gas products. In the process, the particulate coal is...
4820405 Method of liquefying coal  
When low-quality iron ore is used as a coal liquefaction catalyst, in order to improve its catalytic activity it is subjected to one or a combination of reduction, heat-treatment, or washing with...
4816141 Catalytic two-stage liquefaction of coal utilizing cascading of used ebullated-bed catalyst  
A multi-stage catalytic process for hydrogenation and liquefaction of coal using ebullated-bed catalytic reactors to produce low-boiling hydrocarbon liquid products, in which used catalyst is...
4750991 Method for hydrogenating a solvent-refined coal  
A method for hydrogenating a solvent-refined coal, comprising: (a) hydrogenating coal in the presence of a hydrocarbon solvent and an iron catalyst; (b) obtaining a solvent-refined coal...
4740294 Method for sequentially co-processing heavy hydrocarbon and carbonaceous materials  
A method for sequentially co-processing heavy hydrocarbon materials and carbonaceous materials comprising first subjecting the heavy hydrocarbon material in the presence of a disposable metal...
4661237 Process for thermal cracking of carbonaceous substances which increases gasoline fraction and light oil conversions  
A process for thermally cracking carbonaceous substances, such as coal, is described, comprising: rapidly heating the carbonaceous substance to 500° to 950° C. in an atmosphere consisting...
4617106 Catalysts for coal liquefaction processes  
Improved catalysts for catalytic solvent refining or hydroliquefaction of non-anthracitic coal at elevated temperatures under hydrogen pressure in a hydrogen donor solvent comprise a combination of...
4602991 Coal liquefaction process  
A liquefaction process for coal or lignite is set forth. In the preferred and illustrated embodiment, coal or lignite is ground to a suitable particle size and placed in a reactor vessel. The...
4561964 Catalyst for the hydroconversion of carbonaceous materials  
An improved hydroconversion process for carbonaceous materials wherein a monohydrocarbyl substituted dithiocarbamate of a metal selected from Group VIII-A of the Periodic Table of Elements or a...
4541914 Process for converting coal  
A process for converting coal, comprising, subjecting a slurry composed essentially of coal, a hydrocarbon solvent and a hydrogenation catalyst to primary hydrogenation to liquify the coal,...
4534848 Coal liquefaction with a selenium catalyst  
Disclosed are a catalyst for direct liquefaction of coal, which consists of selenium, a selenium compound, or a mixture of selenium or the selenium compound with a metal oxide, and a method of...
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...
4511455 Catalysis using hydrous metal oxide ion exchanges  
In a process which is catalyzed by a catalyst comprising an active metal on a carrier, said metal being active as a catalyst for the process, an improvement is provided wherein the catalyst is a...
4511454 Process for use of novel boride catalyst  
Novel heterogeneous boride catalysts comprising a polyborane anion and a Group VIII metal for the treatment of carbonaceous materials. The catalyst is prepared by the steps of contacting a...
4510039 Process for the liquid phase hydrogenation of coal  
A process for hydrogenating coal in the liquid phase in the presence of a catalyst comprising an iron oxide obtained by decomposition of an iron compound in a flame, in particular in the flame of a...
4502941 Non-aqueous hydrogenation of solid carbonaceous material  
A nonaqueous process of hydrogenating and liquefying solid carbonaceous material which includes heating the material in contact with a catalyst derived from FE(CO) 9 in the presence of hydrogen.
4435280 Hydrocracking of heavy hydrocarbon oils with high pitch conversion  
A process is described for the hydrocracking of heavy hydrocarbon oils which permits pitch conversions of over 90%, and preferably over 95%. A slurry of a heavy hydrocarbon oil and carbonaceous...
4428820 Coal liquefaction process with controlled recycle of ethyl acetate-insolubles  
A process for increasing the conversion of coal to ethyl acetate-soluble products comprising: (a) heating a slurry comprising a solvent and particulate coal in a dissolution zone to produce a...
4428818 Liquefaction of coal  
Solvent refining of coal is conducted with a blend of coals calculated to maintain the phenols of the steady state recycle solvent within desired limits.
4427532 Coking of coal with petroleum residua  
A hydrotreated petroleum residuum is coked in the presence of coal to improve the yield and quality of the liquid coker products. The coal is preferably of low rank with a carbon content below 75...
4424111 Regeneration of ZnC12  
A method of hydrocracking using a zinc catalyst in the hydrogenation step comprising providing a hydrocarbonaceous feed of coal or tar to a hydrogenation means, removing spent zinc and catalyst...
4422922 Coal liquefaction and hydroprocessing of petroleum oils  
This invention comprises a process for hydroprocessing a petroleum oil containing soluble metals compounds while suppressing the accumulation of coke within the hydroprocessing zone, comprising the...
4417972 Recovery of coal liquefaction catalysts  
Metal constituents are recovered from the heavy bottoms produced during the liquefaction of coal and similar carbonaceous solids in the presence of a catalyst containing a metal capable of forming...
4411767 Integrated process for the solvent refining of coal  
A process is set forth for the integrated liquefaction of coal by the catalytic solvent refining of a feed coal in a first stage to liquid and solid products and the catalytic hydrogenation of the...
4411766 Iron catalyzed coal liquefaction process  
A process is described for the solvent refining of coal into a gas product, a liquid product and a normally solid dissolved product. Particulate coal and a unique co-catalyst system are suspended...
4405437 Process for coal liquefaction employing a superior coal liquefaction process solvent  
A process for liquefying coal utilizing an indigenously derived solvent enriched in basic nitrogen heterocyclic compounds. Particulate coal is slurried with an aromatic hydrocarbon distillate...
4397732 Process for coal liquefaction employing selective coal feed  
An improved coal liquefaction process is provided whereby coal conversion is improved and yields of pentane soluble liquefaction products are increased. In this process, selected feed coal is...
4396786 Method for producing fuel oil from cellulosic materials  
A method for producing fuel oil from cellulosic materials (especially domestic or agricultural waste) in which the material is contacted with water and treated with a reducing gas (eg hydrogen or...
4394248 Coal liquefaction process  
A process for liquefying coal which comprises contacting coal and solvent in the presence of a residual oil containing asphaltenes and at least one finely divided, unsupported metal sulfide and...
4391699 Coal liquefaction process  
Disclosed is a two-stage process for the production of liquid hydrocarbons from coal. More particularly, disclosed is a two-stage coal liquefaction process wherein subdivided coal is substantially...
Matches 1 - 50 out of 126 1 2 3 >