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JPS61103992A |
PURPOSE: To obtain deashed coal in high recovery with small amount of binder, by granulating an aqueous slurry prepared by adding binder to ground coal, sifting and recovering the granulated coal, at the same time by incorporating foamin...
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JPS61101599A |
PURPOSE: To efficiently remove phosphorus in coke by subjecting the coke to acid treatment in a specified reduced-pressure atmosphere. CONSTITUTION: Coke of particle size ≥0.5mm is immersed in an aq. soln. contg. an acid such as HCl, H...
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JPS6176592A |
PURPOSE: To obtain continuously high-quality, stable, ash-free granulated coal, by adding a binder to powdered coal water slurry, rotating impellers while controlling speed of rotation, and giving an alarm when the total number of revolu...
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JPS6173796A |
PURPOSE: To prevent deterioration of combustibility and the corrosion of equipment materials and to enable the use of recycling water for a long time, by removing the ions in the waste water after removing SS at a waste-water treating st...
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JPS6164791A |
PURPOSE: To produce continuously and efficiently a high-grade coal of stable quality, by continuously cooling a low grade coal dried and rendered hydrophobic, adsorbing tar, and recooling a reformed coal. CONSTITUTION: A low-grade coal 1...
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JPS6147050U |
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JPS6160790A |
PURPOSE: To obtain modified brown coal of a high calorific value and a high bulk density having low water readsorptivity, excellent strength and excellent storability, by mixing the brown coal with a coal-derived liquefaction solvent obt...
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JPS6110180B2 |
A wet mechanical process is described for cleaning, upgrading and dewatering fine coal. The process provides for forming an aqueous feed slurry of fine coal and its associated contaminant particles wherein all particles have a particle p...
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JPS6160784A |
PURPOSE: To efficiently reduce the moisture content of an outdoor deposited loose raw material such as raw material coal for manufacturing coke by adding a molded specified water-absobing material to said raw material deposited in an ope...
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JPS6155194A |
PURPOSE: To obtain low-viscosity tar in good yields and to deash coal with good energy efficiency, by deashing, using fuel oil A and a surface active agent, finely ground semicoke obtained by the low-temperature carbonization of coal und...
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JPS6153390A |
PURPOSE: The temperature of low-quality coal is accurately detected in the modification unit to control the temperature for treating coal with heat in individual sections to effect stabilized quality modification under optimal conditions...
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JPS6153394A |
PURPOSE: The continuous modification of low-quality coal is carried out by effecting heat treatment of low-quality coal in plural stages and improving the sealability between the system and outside-system and between individual units, in...
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JPS617848B2 |
Process for the agglomeration of coal fines characterized by the staged addition of an aqueous emulsion of an oil fraction to an aqueous slurry of the fines.
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JPS617327B2 |
The activation of coal, in which coal that has been partially oxidized with Sulfur Dioxide is introduced into a reaction zone. The coal is contacted with super-heated steam and then impregnated with vanadium.
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JPS6142593A |
PURPOSE: To remove metals (Na, Ti, etc.) contained in coal efficiently, by treating finely ground coal with hot water and separating the water and the coal using two or more centrifugal separators operated alternately. CONSTITUTION: Coal...
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JPS6134096A |
PURPOSE: To provide a solid fuel which is quick to catch fire and burns stably over a long period of time, by mixing a metal oxide powder as a catalyst and a binder with a main component consisting of coke powder and charcoal powder. CON...
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JPS6116992A |
PURPOSE: To produce a fuel briquette without necessitating a large quantity of heat energy, by mixing a finely pulverized coal having high water content with a powdery polymer resin having high hygroscopicity to effect the migration of t...
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JPS6116993A |
PURPOSE: To effect the simultaneous removal of ash and sulfur from coal, by immersing powdered coal containing ash and sulfur in an aqueous solution containing nitric acid and acidic ammonium fluoride, thereby reacting the ash and sulfur...
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JPS6115755A |
A process for modifying the surface of oxidized coal and the beneficiated coal product resulting herefrom, said process comprising subjecting coal having oxidized surfaces to high shear agitation in water followed by desliming the result...
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JPS60258296A |
PURPOSE: Paraffin, wax, tar pitch, etc. are mixed with ultrapin, a peroxide, glycol, etc., and the formed mixture is used as a handy fuel for the heating of greenhouse or the cooking of a small amount of rice, by igniting and burning the...
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JPS6058061B2 |
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JPS60250098A |
PURPOSE: To economically remove ashes from coal at a high deashing efficiency by dispersing crushed coal in a water-insoluble solvent and separating the ashes from carbonaceous materials by application of a voltage to the obtd. slurry. C...
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JPS60244302A |
PURPOSE: To separate and remove metals contained in coals, by mixing finely pulverized coals with heated water and separating water from the resulting slurry before drying. CONSTITUTION: Coals 5 such as bituminous coal, brown coal or cok...
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JPS60235659A |
PURPOSE: To produce deashed coal having less ash content in high yield by compressing fine coal particles with air or N2, prepg. slurry of the coal with liquid saturated with the same gas, and then decompressing to atmospheric pressure. ...
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JPS60226402A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6049674B2 |
A coke calcining apparatus comprises a rotary kiln (1), an intermediate cooler (3) installed outside of but rotating unitarily with the kiln at an intermediate part thereof and having inlets (32) and outlets (33) respectively communicati...
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JPS6048224B2 |
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JPS60212490A |
PURPOSE: To effect the deashing of coal in high ash removal and high recovery, by crushing a concentrated aqueous slurry of coal with a wet-pulverizer, recovering the coal having low ash content by flotation, collecting the coal having h...
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JPS60212491A |
A drying plant for brown coals of high water content comprises, as seen in flow direction of the coal and one behind the other, a conveyor means (2) equipped with a means (3) for spraying hot waste water onto the coal, a wet sieve (4) eq...
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JPS60203698A |
PURPOSE: To Crushed coal is leached out with hydrofluoric acid and the solid product by leaching is separated whereby pyrite is removed, as coal or coal composition is deashed. CONSTITUTION: Coal is crushed into particles, preferably of ...
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JPS60202194A |
PURPOSE: To prepare a solid fuel which can be desulphurized effectively in combustion, by mixing crushed residue of final thermal cracking in pertroleum refining, an inorg. binder and water, compression forming the mixt. and performing v...
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JPS60202195A |
PURPOSE: To granulate and deash coal effectively in a continuous process at a high deashing rate and with a good yield, by performing high-speed agitation and then low-speed agitation of an aqueous slurry of pulverized coal while a hydro...
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JPS60192789A |
PURPOSE: To adjust the moisture content of dried raw material coal to a predetermined level, by controlling a compressor for a heat medium to be fed into an indirect heating drier on the basis of variables for the raw material coal and t...
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JPS60188491A |
PURPOSE: To reduce cost by efficiently utilizing the sensible heat and the latent heat of coke oven gas, by providing a rotary dryer equipped with a heating pipe downstream from the main pipe of the coke oven gas and introducing the gas ...
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JPS60188495A |
PURPOSE: To produce easily coal having a low to ultra-low ash content in high yields, by adsorbing crushed coal by gas under pressure, slurrying coal and reducing the pressure of the slurry to atmospheric pressure to allow coal particles...
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JPS60185010A |
PURPOSE: To make the titled coal into ash composition of high-melting, by compounding Al2O3, a kaolin family mineral and the coal containing large quantities of these ingredients with low-melting point ash. CONSTITUTION: One or more kind...
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JPS60171313A |
PURPOSE: To enable to completely deodorize by directly introducing a melodorous gas generated in a rotary kiln from the terminating part of the rotary kiln into a heat generating furnace and oxidation decomposing of the same by high temp...
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JPS60171382A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS60168792A |
PURPOSE: To obtain dehydrated high-density low-rank coal at low cost, by dehydrating low-rank coal by heating it, classifying it, compacting intermediate- grain coal to form a briquette and mixing the briquette, large-grain coal and smal...
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JPS6035959B2 |
Coal dispersing oil compositions containing 10-89.99% by weight of a petroleum oil, 10-89.99% by weight of coal powders and 0.01 to 5% by weight of a surface active agent are produced by mixing previously milled coal powders and a petrol...
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JPS60156794A |
PURPOSE: To obtain modified coal slurry of higher Btu-value with reduced hygroscopicity, by drying high-water content low-grade coal at temperatures below its thermal decomposition temperature, then performing dry distillation at tempera...
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JPS60152597A |
PURPOSE: To add additives to coal effectively in a non-evaporative dehydration process of coal (Freisner propcess), by mixing the additives into waste water of dehydration of condensed water at a high temp. and immersing coal in this hot...
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JPS60149694A |
A process for converting moist carbonaceous materials into an aqueous slurry suitable for pipeline transport and subsequent combustion in furnace burners such as power boilers and the like. In accordance with the process, a moist carbona...
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JPS60147018A |
PURPOSE: To expand a range of utilization of deashed particle coal by a method wherein deashed particle coal can be supplied to the fine powder burning boiler. CONSTITUTION: Coal 1 is finely divided by a fine powder crashing machine 2. A...
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JPS60140015A |
PURPOSE: To ignite deashing granulation coal in a fine powder coal burning boiler by a method wherein deashing granular coal made by water granulation method is ground to such a size as enabling a supply of coal to the fine powder burnin...
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JPS60135488A |
PURPOSE: To reform coal having a low rank of coalification with high thermal efficiency into caking coal which hardly suffers spontaneous ignition, by adding pitch and water to coal having low rank of coalification to form a slurry, heat...
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JPS60133092A |
PURPOSE: Low-quality coal is dehydrated, dry-distilled at low temperatures to form high-quality coal and the pyrolytic water generated during the dry distillation is scattered on the high-quality coal, thus making the disposition of the ...
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JPS6025076B2 |
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JPS6024153B2 |
Low-sulfur and low-ash gaseous, liquid and solid fuels are made from coal by a process which first subjects the coal to solvent extraction and hydrotreatment under hydrodesulfurizing conditions in a coal liquefaction zone to reduce the o...
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JPS6094157A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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