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7585407 Processing asphaltene-containing tailings  
Embodiments of a method and a system for recovering energy, materials or both from asphaltene-containing tailings are disclosed. The asphaltene-containing tailings can be generated, for example,...
7438807 Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process  
Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent...
7141162 Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process  
Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent...
6183629 Process for producing petroleum residuum-water slurry  
Use is made of a high-speed agitator comprising vessel 2 rotated at a low speed and bladed agitating element 3 rotated at a high speed in direction reverse to that of the vessel 2, the bladed...
6054043 Process for the hydrogenation of hydro-carbonaceous materials (Carb-Mat) for the production of vaporizable products  
A process for the reductive hydrogenation of insufficiently hydrogenated, non-volatile carbonaceous materials to produce vaporizable products wherein the feed materials are brought into initial...
6004455 Solvent-free method and apparatus for removing bituminous oil from oil sands  
A sand/liquid separator provides for the conditioning of oil sands. Clean sand is separated from the ore and discharged for use as backfill. The sand/liquid separator machine includes horizontal...
5955036 Process and apparatus for the agglomeration of hydrolytically sensitive substances by means of steam  
In the process for the agglomeration of slightly soluble and hydrolytically sensitive substances, a powder of the slightly soluble substance is conducted, together with at least one water-soluble...
5917102 Device for depolymerizing used and waste plastics  
The invention relates to a device for depolymerizing used and waste plastics, comprising a closed reactor and a circulation system the mildly heating of the reactor contents connected to the...
5228982 Liquefaction of decarboxylated carbonaceous solids  
A composition consisting essentially of a carbonaceous solid containing at least one carboxyl group is heated with subcritical liquid water at decarboxylation conditions including a temperature of...
5192422 Oil shale beneficiation process using a spiral separator  
A stream containing kerogen-rich and mineral-rich oil shale particles flow in a downward helical course such that the stream is confined in a manner to give the stream an outer and upper side...
5186820 Process for separating bitumen from tar sands  
A process for separating bitumen from tar sands, which comprises: a) agitating a mixture of tar sand with substantially coarse clean sand at ambient or below ambient temperature in the presence of...
5156734 Enhanced efficiency hydrocarbon eduction process and apparatus  
A system and process for educing hydrocarbons from shale. The system comprises a retort vessel which has an integral apparatus for mixing raw and recycle shale that embodies raw shale pulverizing...
5092984 Pyrolysis of coal  
A method for mild gasification of crushed coal in a single vertical elongated reaction vessel providing a fluidized bed reaction zone, a freeboard reaction zone, and an entrained reaction zone...
5091076 Acid treatment of kerogen-agglomerated oil shale  
A kerogen-agglomerated oil shale is contacted with an acid-containing solution prior to economically upgrade the oil shale prior to retorting. The kerogen is agglomerated by contacting the oil...
5066325 Cogeneration process for production of energy and iron materials, including steel  
A process and arrangement are provided for the efficient generation of energy from coal, while at the same time providing for a relatively inexpensive step in processing of iron or steel, and the...
5015366 Process and apparatus for coal hydrogenation  
In a coal liquefaction process an aqueous slurry of coal is prepared containing a dissolved liquefaction catalyst. A small quantity of oil is added to the slurry and then coal-oil agglomerates are...
5009770 Simultaneous upgrading and dedusting of liquid hydrocarbon feedstocks  
A process of concurrently dedusting and upgrading particulate laden raw, whole retort oil is provided which comprises the steps of: retorting solid hydrocarbon-containing material such as oil shale...
4978369 Process for feeding carbonaceous material into reaction spaces  
Disclosed is a process for feeding carbonaceous materials into pressurized reaction spaces where partial oxidation or hydrogenation occurs. The feed is compressed into a strand material in a...
4946597 Low temperature bitumen recovery process  
A low temperature process for separating bitumen from tarsands comprises slurrying tarsands in water at a temperature in the range of above about freezing to 35° C., preferably in the range of 2°...
4935036 Flash hydropyrolysis of bituminous coal  
A process is described for the flash pyrolysis of a high rank caking coal in a pyrolysis chamber in which the coal passes through a tacky state during flash pyrolysis. According to the novel...
4886521 Decaking of coal or oil shale during pyrolysis in the presence of iron oxides  
A method for producing a fuel from the pyrolysis of coal or oil shale in the presence of iron oxide in an inert gas atmosphere. The method includes the steps of pulverizing feed coal or oil shale,...
4874393 Method of producing fuel of relatively higher calorific value from low rank and oxidized coal  
Low-rank or oxidized coal is processed to produce fuel of relatively higher calorific value by conditioning a slurry of the coal with an electrolyte, and then agglomerating the carbonaceous portion...
4869727 Production of hardened coal agglomerates  
A system for the production of hardened coal agglomerates comprising a first pump (P1) for pumping a coal-water slurry and a predetermined quantity of oil or other suitable hydrophobic liquid into...
4701263 Use of amine neutralized sulfonated polystyrenes for particle flocculation  
A process for flocculating solid fines from a solution comprising said solid fine and an organic liquid which comprises the steps of: (a) adding with mixing about 5 to about 10,000 ppm of an...
4696750 Flocculation of particles by polymers that precipitate out of solution  
A process for flocculating solid fines from a solution comprising said solid fines and an organic liquid which comprises the steps of: (a) adding with mixing about 100 to about 500 ppm of an...
4695372 Conditioning of carbonaceous material prior to physical beneficiation  
A carbonaceous material such as coal is conditioned by contact with a supercritical fluid prior to physical beneficiation. The solid feed material is contacted with an organic supercritical fluid...
4648962 Method of breaking down chemisorption bond of clay-containing heavy oil water emulsions  
Persistent chemisorption bonds of clay solids in clay-containing heavy oil and water emulsions, from oil sands, heavy oil or conventional oil wells, are broken down by mixing the emulsion with an...
4601812 Oil shale retorting process  
A oil shale retorting process in which oil shale particles are separated into fines and large particles. The large particles are preheated and combined with hot spent shale from a combustor and...
4589973 Process for recovering oil from raw oil shale using added pulverized coal  
A continuous process for recovering oil from raw oil shale using a new integrated hydropyrolysis/thermal pyrolysis technique and involving the addition of pulverized coal which produces oil which...
4587006 Process for recovering shale oil from raw oil shale  
A continuous process for recovering shale oil from raw oil shale using a new integrated hydropyrolysis/thermal pyrolysis technique which produces high yields of improved quality liquid hydrocarbon...
4576708 Beneficiation of shale kerogen and its conversion into shale oil  
A process for the production and the conversion of shale kerogen to produce shale oil. The process includes grinding crushed shale into a first product and treating the first product with a first...
4575381 Formation of disperse-slurry of coal liquefaction residue  
The problem of creaming during formation of disperse-slurry of coal liquefaction residue by ball milling with water is eliminated by use, as an anti-creaming additive, of a quaternary amine such as...
4575380 Formation of disperse-slurry of H-coal residue  
The problem of creaming during formation of disperse-slurry of H-coal residue by ball milling with water is eliminated by use, as an anti-creaming additive, of the triethanolamine salt of...
4571294 Process for extracting hydrocarbons from hydrocarbon bearing ores  
Hydrocarbons may be recovered from hydrocarbon-bearing ore by reducing the ore to small particles, forming the reduced ore into pellets, setting the pellets, and then contacting the pellets with an...
4564437 Process for retorting oil shale with fluidized retorting of shale fines  
Hot, coarse, particles removed from a retort, preferably coarse particles of oil shale removed from a retort operating at superatmospheric pressure, are crushed to a size suitable for fluidization...
4536278 Shale oil stabilization with a hydrogen donor quench  
A process is provided to produce and stabilize shale oil. In the process, raw oil shale is retorted with heat carrier material to liberate an effluent product stream comprising hydrocarbons and...
4528090 Oil shale beneficiation by size reduction combined with heavy media separation  
This invention discloses a method of enriching raw oil shale by crushing and pulverizing raw oil shale or similar oil bearing materials into smaller, lean oil particles and larger, oil rich...
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...
4522265 Method for fracturing of oil shale  
Oil shale, particularly shale having high organic content and/or shallow burial, is fractured by contact with an amino compound, exemplified by ammonia (NH 3 ) and hydrazine (H 2 NNH 2 ).
4507195 Coking contaminated oil shale or tar sand oil on retorted solid fines  
Heavy oil fraction of pyrolysis oil vapors containing concentrated contaminants is coked on retorted fine solids contained in a coking zone separate from a retorting vessel characterized by the...
4502942 Enhanced oil recovery from western United States type oil shale using carbon dioxide retorting technique  
A retort process and product therefrom relating to the recovering of oil from Western-type U.S. shale utilizing carbon dioxide as a sweep gas. Other contributing factors with regard to increase in...
4498971 Separation of bituminous material from oil sands and heavy crude oil  
A process for the separate recovery of oil and asphaltene/polar components from oil and asphaltene/polar bearing sand-containing material includes cooling the material to a temperature at which the...
4490213 Coal conversion processes  
Coal is processed sequentially over a range of temperatures up to a maximum of 750° F. and preferably considerably less to obtain a clean burning coke, refinable petroleum and bitumen products,...
4473120 Method of retorting oil shale using a geothermal reservoir  
Crushed raw oil shale is fed into a geothermal compartment or reservoir under oil shale retorting conditions using the reservoir as a source of heat for retorting. After retorting is completed...
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...
4470899 Bitumen recovery from tar sands  
A process for recovering bitumen from tar sands wherein the tar sands are pretreated with a diluent, such as kerosene in the preferred embodiment, to lower the viscosity of the bitumen such that it...
4466882 Simultaneous beneficiation and treatment of oil shale  
The present invention relates to a beneficiation process for oil shale ore which contains substantial or detrimental amounts of pyrites wherein the ore is simultaneously treated to substantially...
4460376 Method of recovering high-grade fuel from solid mineral-fuel raw material  
A method of recovering high-grade, preferably sulphur-free fuel from a bituminous or pyrobituminous mineral-fuel material, such as coal, oil shale and alum shale, wherein the raw material is finely...
4456533 Recovery of bitumen from bituminous oil-in-water emulsions  
Bitumen recovery from a tar sands emulsion or other bituminous oil-in-water emulsion is increased by milling the emulsion for a time sufficient to cause a bitumen-rich liquid fraction to rise to...
4454017 Process for recovering hydrocarbon and other values from shale oil rock  
An improved method for recovering hydrocarbon and other values from shale oil rock, whereby shale oil rock, during the reaction with a reagent and steam, is shattered to the extent that the...
Matches 1 - 50 out of 164 1 2 3 4 >