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JP4365442B1 |
A method of upgrading coal which comprises: pulverizing low-grade coal; mixing the pulverized low-grade coal with an oil to form a slurry; heating the slurry to or above the boiling point of water to vaporize the water contained in the l...
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JP4274880B2 |
Methods for pretreating and improving coking coal quality for producing blast-furnace coke by: (a) rapid-heating the coal charge in a fluidized-bed to a temperature range between not lower than 300° C. and not higher than the temperatur...
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JP2009120652A |
To provide a method for reducing the water content of stored coal, which is excellent in effect of reducing the water content of low-grade coal, achieves easy and inexpensive treatment, avoids spontaneous ignition, and is suitable for in...
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JP4231090B1 |
A solid fuel producing apparatus that even when supply of raw coal (RC) and mixed oil (MO) and supply of slurry to subsequent steps are stopped because of troubling at evaporation step or later, etc., would prevent cloggings of heat exch...
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JP2008274202A |
To separate dust coal containing sulfur content into sulfur and dust coal.In the sulfur separator, a positive charged body 1 is electrified by positive charge, and the sulfur content in the dust coal containing sulfur content is electrif...
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JP2008169338A |
To provide a method for reducing unburned coal which does not need additional capital investment, reduces the amount of unburned coal in coal ash at a low cost and enhances the electric power generation efficiency.The method for reducing...
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JP4122695B2 |
To directly more inexpensively obtain oxygen-containing compounds of high added value including dihydric phenols in high yield from coal through no coal tar route, and to convert the coal to high-BTU modified coal or coal- water-oil slur...
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JP2008144123A |
To provide a combustion improver which can directly or indirectly solve the problems of phenomena on energy saving and the air pollution and can adjust oxidation speed, also to provide a combustion improving method which is low in cost a...
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JP2008520765A |
The present invention relates to the field of fuel additives for hydrocarbon fuels that acts to enhance efficiency and/or reduce pollution. The fuel additive is a phosphorus-containing composition that can be added to the surface of soli...
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JP2008509239A |
Method for managing electric power generated during periods of low demand, in an electric power market where consumption of electric power exhibits periods of different demands. The method includes upgrading solid fossil fuel by electrom...
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JP4045232B2 |
A method for manufacturing a solid fuel includes the steps of partially or completely separating finely powdered coal from pulverized low-rank coal; mixing the separated low-rank coal with a mixed oil containing a heavy oil and a solvent...
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JP2008024905A |
To provide a combustion improver which is capable of adjusting heat and the oxidation rate, and thus can directly and indirectly dissolve phenomena of energy saving and air pollution through diminishing heat reaction generated in combust...
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JP2007531797A |
Fuel compositions containing (a) pulverized coal; and (b) an oxygenate selected from glycerol, glycerol derivatives, propylene glycol, propylene glycol derivatives, ethylene glycol, ethylene glycol derivatives, fatty acid alkyl esters, f...
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JP3985167B2 |
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JP2007521365A |
The present invention relates to the field of fuel additives for hydrocarbon fuels that acts to enhance efficiency and/or reduce pollution. The fuel additive is a phosphorus-containing composition that can be dispersed in hydrocarbon fue...
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JP3941131B2 |
To modify coal into such coal as to be high in calorific value as a fuel because of its low volatility of the volatiles even if dried and suitable for producing highly concentrated and highly fluid coal-water slurry, by drying pulverized...
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JP3933771B2 |
To make charcoal inexpensively in, a large quantity from organic combustible wastes produced in a large quantity. There is provided a high-capacity carbonization equipment consisting of a drying/preheating oven 8, a carbonization/dry dis...
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JP2007514044A |
Measurements are taken of moisture, BTU/lb (British Thermal Units per pound), ash, forms of sulfur, volatile material, grindability, and absorption properties of any of a wide variety of mine-run solid fuels. Using that information, a dr...
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JP2007506065A |
An electrothermal fluidized bed furnace is disclosed in which the furnace body has upper and lower cylindrical portions with the upper cylindrical portion having a diameter larger than that of the lower cylindrical portion. A conical por...
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JP2006522201A |
A device for reduction of organic sulphur from high sulphur coal which employs a reactor having three heating zones such as steam heating zone capable of maintaining a temperature in the range of 450-500 degrees Celsius, a promoter zone ...
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JP3825587B2 |
To provide a process and a device for drying coal, wherein coal can be dried stably even at the time of changing the combustion gas for a coke oven, when the coal is dried in a fluidized bed dryer by using a flue gas of the coke oven. In...
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JP3774263B2 |
To provide a method for producing coal fuel molding capable of lowering characteristic water content and suppressing collapse of shape and spontaneous ignition. Low-grade coal is ground into ≤1000×m particle diameter by a wet type gri...
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JP3751020B2 |
Provided are a needle coke for graphite electrodes, characterized by using, as a raw material coke, a needle coke comprising a coke of 100 parts by weight and adhered thereto a substance of 0.03 to 16 parts by weight in which a softening...
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JP3746009B2 |
To provide a fuel additive which prevents slagging caused by ash contained in a fuel when the fuel, especially one having a high ash content such as coal or oil coke, is burned; and a method for burning a fuel by using the additive. This...
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JP3745973B2 |
To provide a fuel additive for preventing a slagging caused by an ash in a fuel such as coals or oil cokes, on burning and a method for burning the fuel using the same. This fuel additive consisting of a composition obtained by dispersin...
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JP3746020B2 |
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JP3746026B2 |
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JP3746010B2 |
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JP2005337702A |
To provide a method of optimizing combustion stability and heat efficiency of a combustion furnace while suppressing the increase of discharging quantity of NOx.According to this invention, the discharge of NOx by combustion of coal in t...
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JP3725347B2 |
To improve low-temperature flowability, wax dispersibility and filter permeability of fuel oils by blending a copolymer (or its modified material) of ethylene and a carboxylic acid vinyl ester and a permeability improving agent. A modifi...
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JP2005290456A |
To provide highly combustible coal, a manufacturing method therefor, and a method for manufacturing sintered ore with the use of the coal.This highly combustible coal is made by adding a 0.5 mass% or more catalyst including at least one ...
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JP3684063B2 |
To provide a method for producing an auxiliary binder for stock coal to be charged into a coke oven, friendly to environments because of its low content of low-boiling hydrocarbons and easily mixed with the stock coal because of its low ...
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JP2005519017A |
Process for reducing the amount of sulfur-containing impurities in carbonaceous materials are described. One process comprises contacting the materials with an aqueous solution of hydrofluorosilicic acid in the absence of hydrogen fluori...
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JP2005154757A |
To provide a mixed metal catalyst additive which reduces the carbon particle emission in a hydrocarbon fuel burning system and improves the properties of slag and to provide a fuel composition containing it and a method for using it.This...
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JP3655649B2 |
PURPOSE: To aim to lower ignition temperature to reduce CO upon combustion by treating a carbonaceous material with a sol containing a metal oxide precur sor. CONSTITUTION: For 15-60 minutes, 20-95 wt.% carbonaceous material having a sur...
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JP2005076028A |
To provide a method and a composition for suppressing coal dust.A method and a composition for suppressing coal dust include a metal-containing compound, such as an organomanganese compound, that provides the additional benefit of being ...
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JP2005042109A |
To provide an additive and method to simultaneously reduce both the carbon in ash and the NOx production levels resulting from the combustion of coal by the use of at least one manganese-containing additive.Use of a manganese-containing ...
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JP2005043043A |
To provide a method for lowering an amount of carbon in fly ash resulting from combustion of the coal.This additive and method for reducing the carbon and the fly ash are based on the combustion of a mixture of the coal and a manganese-c...
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JP3602685B2 |
To simply discharge and recover an organic halide-containing foamed resin without releasing an organic halide to the environment and to recover a remaining urethane resin in a reusable state. A foamed resin is mixed with a combustible so...
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JP2004536163A |
A process of treating high sulfur coal to reduce sulfur dioxide emission when the high sulfur coal is burned comprising placing coal in pressure tank ( 16 ) of reduced pressure sufficient to fracture a portion of the coal by withdrawing ...
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JP2004331874A |
To provide a solid fuel having adjustable burning flame to increase the variation of the decorative effect of a candle or adjust the burning rate in the case of using as a heat source for carrying or indoor cooking.A mixture composed of ...
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JP2004331928A |
To provide a coal-based briquet fuel capable of, through addition of an additive at production, having enhanced ignitionability and increased combustibility and reducing soot generation during burning.The briquet fuel is produced by redu...
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JP2004307782A |
To obtain a well ignitable/flammable carbonized material.The method for producing the well ignitable/flammable carbonized material obtained by incorporating a well ignitable substance in a porous carbonized material is characterized by i...
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JP2004285312A |
To obtain a recycled solid fuel being utilized in an unspecified place by compatibly compounding and kneading a vegetable waste oil as well as large sawdust and several sorts of additives, and molding.The product is obtained by adding an...
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JP2004269835A |
To provide a carbonized matter having good ignition and burning properties, and a method for producing the same.This carbonized matter having good ignition and burning properties is obtained by incorporating a good ignition material (an ...
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JP3568872B2 |
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JP3568863B2 |
To control freely the calorific power and the chlorine content of RPF product. This is a process for producing RPF by dechlorinating a raw material containing chlorine such a waste plastics and the like with a deodorization apparatus 18 ...
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JP3539478B2 |
To produce a waste-mixed solid fuel which does not need a combustion improver, enables plural kinds of wastes to be incinerated at the same time, and allows heat generated during combustion to be recovered efficiently since the state of ...
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JP3537123B2 |
To provide a process for producing an odor-free solid fuel from only a raw material derived from sewage sludge at a low cost. Sewage sludge is dried in a drier 1 to a water content of pref. not more than 10%, and a part of the dried sewa...
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JP3512299B2 |
To provide a precombustion treatment method which is effective in practically using a chlorine-contg. solid fuel produced from 4 wastes such as a domestic waste or sewage and provide a combustion method for a solid fuel and a combustion ...
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