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JPS5822073B2 |
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JPS5865790A |
PURPOSE: To deash coal at a high rate and to obtain granulated coal at a high recovery rate, by slurrying coal separated from a treating fluid after treatment in contact with an aq. alkali in water followed by agitation and granulation w...
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JPS5861186A |
PURPOSE: To carry out the deashing of coal in high efficiency, by addng a specific amount of an oil to a coal-water slurry obtained by mixing coal powder and water, and stirring the mixture. CONSTITUTION: The coagulation tank 3 is charge...
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JPS5861187A |
PURPOSE: To remove the ash completely from coal, and to reduce the power for granulation of coal, by stirring a mixture of a coal-water slurry and a binder, interrupting the stirring during the granulation of coal particles, and pulveriz...
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JPS5861178A |
The specification discloses a desulfurization, demetalation and denitrogenation process for coal and coal liquid charge stocks. The process comprises contacting the charge stock in the absence of externally added hydrogen with a hydrogen...
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JPS5859292A |
PURPOSE: To continuously obtain low-ash pulverized coal, by separating and collecting a group of pulverized coal particles of a necessary particle size from coal crushed to a specified particle size and recycling a group of small particl...
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JPS5859290A |
PURPOSE: To obtain clean, safe and sanitary briquet with good ignitability by using a nitrocellulose soln. and/or a cellulose acetate soln. as a binder for a combustible solid material particle or as a coating agent for a molded material...
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JPS5859288A |
PURPOSE: To obtain light-weight solid fuel with excellent ignitability, inflammability, burning characteristics, etc., comprising a molded material of wt.≤20g and apparent density ≤1.2g/cm3 primarily composed of a carbonaceous materi...
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JPS5857498A |
PURPOSE: To efficiently prepare a solid fuel (refoamed coal) by preheating a slurry consisting of a solvent contg. a hydrogen transfer agent and a coal particle to a specified temp., quickly heating the slurry and treating the obtd. liqu...
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JPS5853990A |
PURPOSE: A mixture of coal particles and a solvent is preheated up to a certain temperature and heated to effect its liquefaction, then a part of the solvent and the liquefied coal is separated as an oil fraction, and the liquefied produ...
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JPS5852392A |
PURPOSE: To increase a coal deashing rate by lowering the coal concn. of a high-concn. coal/water slurry with addition of water, wet milling the coal particle and separating a carbonaceous material from an ash followed by deashing. CONST...
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JPS5847093A |
1. Utilization of solid bodies of spherical shape, consisting of ceramical material and being of a diameter less than 40 mm, for the direct heating of cold, moist coal which is destined for conversion, in a subsequent step, into coke, th...
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JPS5842693A |
PURPOSE: To obtain the titled fuel mixture of a low remaining ash content, by mixing granulated coal formed by adding a specified binder to a pulverized coal/ water slurry with heavy oil and recovering the binder in dehydration of the co...
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JPS5840387A |
PURPOSE: A cheap solid fuel having increased calorific value during combustion but causing no public pollution problems, which is prepd. by adding diatomaceous earth, soda ash, an adsorbent, a naphthenic acid-base metal soap and a diphen...
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JPS5811472B2 |
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JPS5834897A |
PURPOSE: To improve the method of wet granulation of pulverized coal and to efficiently remove an ash in the coal, by removing an aq. phase after phase separation into an org. phase and the aq. phase. CONSTITUTION: To a coal slurry consi...
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JPS5832094A |
The present invention relates to solid fuels comprising a carbonaceous fuel and a combustion accelerating agent encapsulated combustible materials. It is possible to improve moistureproof characteristics under high humidity, keeping qual...
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JPS5827797A |
PURPOSE: To granulate coal with a small amount of oil without using tar, by blending dehydrated powdered coal with a low carbonization degree with an oil (and a surface active agent) with stirring. CONSTITUTION: After coal is dehydrated ...
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JPS588718B2 |
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JPS588719B2 |
A method for de-ashing crushed coal and transporting it in the form of pellets, said method comprising the following steps: A. the step of mixing pulverized coal with a binder to cover the surfaces of coal particles with the binder; B. t...
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JPS588720B2 |
A three-cycle process as disclosed for drying and preheating coking coal using the heat from cooled coke. Cooling gas is passed over hot coke to heat the cooling gas and cool the coke. The heated cooling gas is then passed through a wast...
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JPS588440B2 |
An improved apparatus and method using vapor generator heating gases as a medium for removing moisture from the fuel prior to it being fired in the vapor generator.
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JPS588439B2 |
A process for reducing the amount of free and combined sulfur, such as pyritic, organic or elemental sulfur in coal; removing of these sulfur species may be made in an acid, basic or neutral solutions; at least 50 percent and up to 90 pe...
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JPS588438B2 |
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JPS5825390A |
PURPOSE: A carbonaceous solid fuel not evolving any incomplete conbustion products such as CO and an unburned hydrocarbon during combustion, which is prepd. by incorporating a transition metal (or its compd.) having a catalytically oxidi...
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JPS5822951U |
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JPS5821486A |
PURPOSE: To obtain highly fluid coal having low fixed water content and coated with novolatile oil, by crushing coal in water, removing attached water from the coal, mixing with a specific amount of an oil having a melting point higher t...
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JPS5819391A |
PURPOSE: To prepare a briquet or oval briquet evolving a reduced amt. of a toxic gas, by press molding a powder carbon material treated with an aq. soln. of an iron oxide. CONSTITUTION: A powder carbon material such as coal, coke or char...
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JPS5819392A |
PURPOSE: To efficiently remove an ash from a coal of a high ash content without decreasing the rate of pure coal recovery, by treating crushed coal material by means of dense media separation after treatment by means of wet granulation. ...
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JPS5817196A |
PURPOSE: The titled additive for agglomeration of powder coal having a large agglomeration effect and recovering the powder coal at a high rate, which comprises a specified polyether, a crosslinked product thereof, a condensate thereof, ...
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JPS5815640U |
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JPS585232B2 |
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JPS5811593A |
During processing of the materials or mixtures of materials to produce a fuel they are exposed to a percussion treatment, and are simultaneously made subject to high accelerations. The material treated preferably comprises a solid and a ...
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JPS5761795B2 |
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JPS5761306B2 |
A nitrogen containing feedstock is hydrodenitrified by passing the feed through at least two hydrodenitrification zones, with ammonia produced in the hydrodenitrification being purged from the system prior to the last hydrodenitrificatio...
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JPS5761075B2 |
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JPS57207698A |
The conventional solvent refined coal process (SCR-I) involving reaction of a coal/slurry in a reactor in the presence of H2 is improved by recycling residue from critical solvent deashing of the solvent refined coal back to the reactor.
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JPS57207559A |
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JPS57200495A |
1. Process for the simultaneous thermal treatment of several coal streams, which either have different compositions or are to undergo different thermal treatment, characterised in that the coal streams are treated separately from one ano...
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JPS57200494A |
PURPOSE: To accomplish efficient deashing with little oil, by supplying a gas contg. oil vapor to a coal/water slurry and separating ash by collecting the coal with the formed oil film. CONSTITUTION: Pulverized coal is supplied as a slur...
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JPS57200487A |
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JPS57198784A |
In a coking process, coal to be coked is preheated in a cascaded whirling bed drier into which the coal is charged from above and exposed to an indirect heat transfer while whirling in a coal-stream mixture. Hot gas applied to the heatin...
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JPS5757079B2 |
A process for converting cellulosic materials, including waste cellulosic materials, into a useful, low-sulfur and low-ash fuel by subjecting the cellulosic feed material to an autoclaving treatment at a controlled elevated temperature a...
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JPS57195799A |
PURPOSE: To efficiently dry powder coal without dust formation, by supplying wet powder coal on a belt conveyor to form a fixed, filled layer of a given thickness and passing a relatively low-temp. exhaust gas therethrough at a given flo...
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JPS57195193A |
PURPOSE: When pulverized coal is granulated from an aq. slurry of pulverized coal using a binder a sulfonate salt of melamine-formaldehyde condensation product is used as a deashing auxiliary to increase the deashing efficiency. CONSTITU...
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JPS57195194A |
PURPOSE: When an aqueous slurry of pulverized coal is granulated in water by use of a binder, a water-soluble anionic acrylic polymer is added as a deashing auxiliary to increase the deashing efficiently. CONSTITUTION: A water-soluble po...
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JPS57192778A |
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JPS57192493A |
PURPOSE: To effect efficient wet granulation of a coal powder in a short time, by adding a binder oil emulsion prepared in the presence of a specified nonionic surfactant to an aq. slurry of the coal powder followed by agitation. CONSTIT...
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JPS5755756B2 |
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JPS5755759B2 |
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