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JP3506893B2 |
To provide a production process for carbonized material that gives clean carbonized material of high dechlorination rate from waste solid fuel and can advantageously establish the recycling route from waste solid fuel. Waste solid fuel i...
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JP3477048B2 |
To prevent water condensation inside a carrier passage of a fine coal obtained by classification of a dried coal to avoid piling-up of the fine coal by keeping the carrier passage warm. A coal is classified by a coal classifier 2 into a ...
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JP2003171680A |
To provide a combustion adjuvant capable of being produced under relatively simple conditions and generating a large amount of heat in a low temperature range, and a method for producing the same.A hydrocarbon compound having a nucleophi...
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JP3385424B2 |
PURPOSE: To surely perform the desulfurization and deashing of coal in high efficiency using a small amount of microorganism without using a flotation reagent by contacting a mixture of powdered coal and water with Thiobacillus ferrooxid...
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JP2002265966A |
To provide a combustion assistant which serves to generate a high quantity of heat in a relatively low temperature region and exhibits an effect of controlling the generation of dioxins and carbon monoxide.The combustion assistant compri...
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JP2002524651A |
(57) [Summary] Sulfur-containing carbonaceous materials under alkaline conditions preferably at temperatures in the range of about 250 ° F (121 ° C) from room temperature and preferably at pressures of 1 to 2 atmospheres with oxidants ...
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JP2002194365A |
To provide a combustion accelerator which can improve fuel cost and reduce harmful substances in an exhaust gas.Bamboo powder is immersed in water, added to steamed grains, and then matured at a slightly high temperature to imbed the pig...
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JP2002516380A |
Sulfur-containing carbonaceous materials are desulfurized by reaction with a mixture of an oxidizing agent and a carbonyl compound under alkaline conditions at a temperature ranging from ambient temperature to about 250 DEG F. and a pres...
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JP3272512B2 |
PURPOSE: To provide the subject which prevents the superheating of a fine powder, makes the product temp. uniform, properly controls the amt. of heat for heating coal, and thus saves energy. CONSTITUTION: Coal passed through a pulverizer...
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JP2002506469A |
A method of stabilizing a thermally beneficiated carbonaceous material is disclosed. The method includes the steps of supplying a charge of the carbonaceous material at an elevated temperature to a process vessel to form a packed bed and...
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JP2001524149A |
A method and apparatus for heating or cooling a solid material (93) in a process vessel (80) is disclosed. The Method includes supplying a working fluid to a vessel which holds a packed bed (93) of the solid material. The method is chara...
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JP2001518844A |
A process and an apparatus for processing a charge of a solid material under conditions which include high mass flow rate of gas through the apparatus and which produce liquid from the solid material includes a vessel having (i) an inlet...
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JP3198305B2 |
To provide a method for producing an ash-less coal, exhibiting a high yield at a low extraction temperature. This method for producing an ash-less coal is to bring a raw material coal in contact with N-methyl-2-pyrrolidinone solvent or a...
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JP3198306B2 |
To efficiently obtain improved coal having a decreased water content, an improved calorific value, and improved spontaneous ignition qualities and an oily fraction with a high added value by subjecting low-grade coal to liquid- phase the...
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JP3192938B2 |
To obtain both a synthetic resin composition capable of maintaining a burning velocity even at a low temperature under a low-oxygen concentration condition, suppressing amounts of carbon dioxide and nitrogen oxides evolved during its com...
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JP2001164278A |
To provide a solidified waste fuel produced by drying, crushing and solidifying combustible components such as wood, paper, plastics and garbage in a waste and attracting attention for the effective utilization of recently increasing was...
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JP2001507622A |
A reactor (20) and a process for upgrading solid materials, such as coal, having low thermal conductivity are disclosed. The reactor includes an outer shell (10) that defines an internal volume for retaining a packed bed of solid materia...
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JP2001146595A |
To produce charcoal which can be ignited with a match or lighter alone without using a kindling material (e.g. a newspaper) or an ignition material when ignited in camping, or the like, and which prevents such accidents conventionally li...
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JP2001115171A |
To generate electric power at a low cost by gasifying or burning an organic part of substances obtained by dissolving a solid fuel such as various biomass and waste plastic with caustic soda without mechanical crushing. This method for e...
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JP3141608B2 |
PURPOSE: To produce the subject fuel capable of reducing NOX generation in the production process of sintered ores. CONSTITUTION: This fuel is i.e., a coke as a duel for producing sintered ores, containing ≥2wt.% metallic iron (≥4wt....
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JP2001502743A |
The invention described herein relates to a process for treating carbonaceous material wherein the resulting product is resistant to undesired combustion. According to the process, carbonaceous material is treated with a gaseous mixture ...
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JP2001019985A |
To easily obtain bamboo coal for fuel at a low cost, sure to burn with high and sustainable heating power, and easy to pack as well, because of nonuse of ready-to-crack, large-diameter bamboo coal as raw material.This bamboo coal for fue...
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JP2000336382A |
To obtain combustible chaff changed so as to be combustible in order to effectively utilize chaff having water repelling property and being industrial waste-like material of rice bowl because of slow flammability and produce chaff fuel h...
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JP2000328079A |
To obtain a coke which is hard to react with CO2 gas of not less than 1,000°C and can be burned in a hearth. To make a coke less reactive with CO2 gas at a high temperature of not less than 1,000°C, preferably the surface of the coke i...
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JP2000319677A |
To obtain a solidified fuel which does not generate dioxins and is excellent in deodorizing and antibacterial properties by compounding at least either a baked dolomite or dolomite. Preferably, a baked dolomite and/or dolomite is compoun...
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JP2000319674A |
To produce coal briquette having a high trommel strength in a high briquette yield and enable a large-particle-size waste plastic to be used in a large amount by thermally kneading a particulate waste plastic, coal and a binder at a temp...
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JP2000290673A |
To produce a modified low-grade coal that can be allowed to contain a large amount of low-grade coal and can give high-calorie low-grade coal CWM(coal-water mixture of low-grade coal) slurry. Low-grade coal with particle sizes of ≤3 mm...
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JP2000290671A |
To provide a fuel-producing method capable of obtaining a fuel excellent in properties such as ignition efficiency and at the same time, executable at a low cost. A waste is made to have a small particle size by using an air flow type dr...
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JP2000282054A |
To provide a method for controlling the humidity of coal fed into a coke oven, capable of maintaining the excellent precision of humidity control even if ordinary coal and unordinary one are alternately subjected to humidity control. In ...
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JP3067130B2 |
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JP3041386B2 |
Disclosed is a method for increasing the charring ratio of coal. In manufacturing an ingot iron using the coal, magnesium oxide or limestone is used as an additive for charring the coal. The additive increases the charring ratio of the c...
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JP3028498B2 |
PURPOSE: To obtain a molded fuel which enables the effective utilization of waste materials and contributes to the protection of the global environment by using a shell powder and algae obtainable in the neighborhood of a thermal power p...
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JP2000096066A |
To easily obtain a fuel having remarkably decreased chlorine content to solve the problems such as the corrosion of a furnace burning the fuel by treating a carbonized material produced by the thermal decomposition of a chlorine-containi...
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JP3013980B2 |
PURPOSE: To obtain a fuel additive which enhances the combustibility of char, thus improving the combustibility of a fuel and greatly reducing soot in a combustion exhaust gas, and to obtain a fuel contg. the same. CONSTITUTION: This fue...
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JP3011326B2 |
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JP2998916B2 |
PURPOSE: To prevent clogging, etc., of a material to be dried and to uniformly dry and stably operate by supporting a screw shaft by an end disposed in an inlet of a kiln body, and winding a screw blade on its periphery except an exhaust...
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JP2989272B2 |
A method of operating a combustion unit of a coal-fired power plant operating according to a slag tap furnace firing method, which includes supplying a titanium-containing material in addition to coal to a melting chamber for acceleratin...
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JP2986717B2 |
A solid compound having a volume average particle diameter of not more than 5 mu m, for example, silicon dioxide, aluminum oxide, calcium carbonate, or silicon cabide, is adhered on a dried fine coal obtained from a raw coal having an av...
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JPH11316014A |
To provide a waste liquid composition for incineration which hardly fluctuates the furnace temperature of an incinerator at the time of incineration, a method for adjusting the composition, and a method for efficiently incinerating waste...
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JPH11315290A |
To enable a porous charcoal block easily prepared, by opening paper strips into a fibrous state, compression-molding it into a block, followed by heat-carbonizing the block in the absence of oxygen. A shredding machine 1 is installed, at...
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JP2974466B2 |
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JPH11310785A |
To carry out the oxidation treatment for decreasing the spontaneous ignitability of coal without causing coal dust to occur in a coal improvement method. In a coal improvement treatment, the oxidation treatment in a coal improvement trea...
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JPH11302673A |
To provide a process whereby a solid fuel excellent in handleability and economy is produced from a combustible domestic and municipal wastes such as garbages, waste plastics, and waste paper. A crushed combustible waste is mixed with a ...
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JPH11302671A |
To provide charcoal which, while having a high calorific value similarly to conventional charcoal, has an improved ignitability and is excellent in usability such that the burning time can be adjusted irrespective of the size. Charcoal i...
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JPH11302672A |
To produce a widely usable carbonization product while effectively utilizing waste culture media which are now occurring in a large amt. since mushrooms, etc., are now cultivated on a large scale and which can not be totally consumed by ...
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JP2967394B2 |
First, nitrogen oxides are reduced by firing coal in substoichiometric air conditions in a first stage oxidation unit of a combustor to reduce NOx from fuel bound nitrogen. Hydrated lime, Ca(OH)2, is introduced into the first stage oxida...
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JP2965764B2 |
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JPH11256175A |
To obtain an accelerator of self-sustained combustion of refuse, capable of accelerating complete combustion of the refuse even at a low temperature, and capable of suppressing the formation of dioxins in an incinerator. This accelerator...
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JPH11510538A |
The present invention relates to various apparatuses and processes for treating carbonaceous materials to remove by-products therefrom. More particularly, the present invention relates to the treatment of carbonaceous materials by inject...
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JPH11221600A |
To provide a method and device for efficiently producing such a solid material as fuel, fertilizer or feed from dehydrated sludge. A screw 3 is provided in the barrel 1 of a two-shaft extruder, and a heater 4 is arranged on the periphery...
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