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WO/2006/055559A1 |
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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WO/2006/015597A1 |
The present invention relates to a novel encapsulated solid fuel particularly useful for cupola and blast furnaces for, e.g. mineral and metal ore melting. The present invention also relates to the preparation of such an encapsulated sol...
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WO/2006/013551A1 |
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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WO/2005/123886A1 |
The present invention relates to a bio-fuel mixture comprising starch and cereal husk, wherein the starch is present as a flour obtained from wheat, barley, rye, triticale, oat, rice, maize and/or potato, and the cereal husk is obtained ...
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WO/2005/111177A1 |
Carbonaceous materials are thermally upgraded in a pressurized steam environment to remove moisture and other byproducts. A variety of water/solid separation devices may be employed in a process vessel to maximize moisture removal from t...
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WO/2005/070076A2 |
Plume is mitigated by targeting treatment chemicals to locations in a furnace, which are connected with plume opacity. The effectiveness of targeted in furnace injection, in fuel introduction and in furnace introduction of slag and/or co...
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WO/2005/071315A1 |
Methods and systems for processing uncalcined coke are provided. The methods and systems provide for combusting effluent gas from a refinery unit and a stream of uncalcined coke. The refinery unit effluent gas may be the offgas from a ro...
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WO/2005/059064A1 |
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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WO/2005/054088A2 |
The invention relates to a method and a device for transporting solid matter. To increase the fluidisation capacity of solid matter, which has essentially been ground to form a fine powder, in a carrier gas, a flow-conditioning agent is ...
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WO/2005/035698A1 |
The present invention relates to a method for treating coal piles, which aims to prevent spontaneous combustion or to stop possible smouldering fires in the pile. This method comprises injecting a gaseous medium in the coal pile at a dep...
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WO/2005/028978A1 |
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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WO/2005/023965A1 |
The present invention relates to a fuel additive comprising 80 to 99.5 % by volume of hydrocarbons boiling at 45 to 405° C, 10-4 to 2 % by weight of acidic meta-, pyro or ortho phosphate in the form of an acidic alkali salt, 0.1 to 5.5 ...
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WO/2005/021687A2 |
The present invention is directed to a method and system for monitoring a synthetic fuel process. The system and method entails presenting process information in a form readily understandable by a process monitor. The process information...
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WO/2005/007783A1 |
A method for dewatering a water-containing coal which comprises heating the water-containing coal to a temperature of 100 to 350°C under a pressure not less than a saturated stem pressure at the temperature for the heating and applying ...
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WO/2005/003264A1 |
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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WO/2005/001004A2 |
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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WO/2004/104141A2 |
A fuel additive composition comprising hydrogen peroxide, an amine-based stabilizer, borax, and sodium hydroxide is disclosed. The composition is added to such fuel as coal, oil, and gas to facilitate combustion and remove impurities in ...
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WO/2004/087845A1 |
The invention relates to a solid fuel element 10 which includes a body 12 of combustible material which is impregnated with an accelerant composition, including a liquid fuel and an evaporation inhibiting agent. In one embodiment the bod...
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WO/2004/087844A1 |
The present invention relates to a device for reduction of organic Sulphur from high Sulphur coal and a process thereof comprising a tubular furnace, made of Silliminite and insulated by quartz wool having three heating zones, a steam he...
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WO/2004/074548A1 |
Methods and compositions for inhibiting corrosion of metal surfaces in a furnace system are disclosed. In one aspect of the invention, pulverized coal is burned as fuel in the presence of a copper ion catalyst/combustion aid. Corrosion i...
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WO/2004/039927A1 |
A process for demineralizing coal includes the steps of forming a slurry of coal particles in an alkali solution, the slurry containing 10-30 % by weight coal, maintaining the slurry at a temperature of 150-250 °C under a pressure suffi...
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WO/2004/016719A1 |
An acquous synfuel composition to be used as an additive for coal and like combustible materials to cause chemical bonding with the coal or materials to transform it into a substance legally defined by United States Air Quality Regulatio...
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WO/2003/078554A1 |
The invention relates to a method and device for producing an enriched fuel comprising different components including a primary fuel and at least one additive. The inventive method comprises a step whereby the different components are gr...
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WO/2003/074639A1 |
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 fluo...
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WO/2003/018716A1 |
The invention relates to a coal dewatering system, method and apparatus. The dewatering system includes a preheater vessel (82) comprising a chamber (101) for heating coal, an inlet means (84) to permit the passage of coal into the chamb...
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WO/2003/013698A2 |
The invention relates to tropospheric volume elements enriched with vital elements and/or protective substances and to a method for their production and use. The vital elements cover those substances that promote the development of livin...
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WO2002079356A9 |
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 pressure sufficient to fracture a portion of the coal by withd...
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WO/2002/088282A1 |
The present invention relates to a method for producing high pressure vapor and calcined cement clinker simultaneously in high temperature boiler using substitute fuel. High temperature boiler includes oil-type, gas-type and coal-type bo...
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WO/2002/077131A2 |
A fuel additive is provided that includes a plant oil extract other than alfalfa oil extract, $g(b)-carotene, and jojoba oil. The additive may be added to any liquid hydrocarbon fuel, coal, or other hydrocarbonaceous combustible fuel to ...
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WO/2002/077132A1 |
A fuel additive for preventing slagging which comprises a composition comprising water and/or an oil and, dispersed stably therein, one or more of an aluminum compound, a silica compound, a titanium compound and a zirconium compound in t...
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WO/2002/068563A2 |
The invention relates to a method and a device for the treatment of material containing carbon in a vertical shaft kiln. According to the invention, the material to be treated descends vertically, is subjected to various treatments and i...
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WO/2002/046100A1 |
An improved process for removing mercury and other trace elements from coal (52) containing pyrite by forming a slurry (50) of finely divided coal in a liquid solvent (54) capable of forming ions or radicals having a tendency to react wi...
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WO/2002/029323A1 |
The present invention provides a method of operating a solid fuel fired boiler comprising introducing a solid fuel and an iron-bearing material into the boiler. The solid fuel is at least partially combusted in the boiler to produce an a...
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WO/2002/027251A1 |
A method and apparatus for upgrading a porous, water-containing, carbonaceous solid material by removing water from the solid material is disclosed. One aspect of the method and apparatus is characterised by heating and cooling solid mat...
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WO/2002/008666A1 |
According to the invention there is provided a method of treating a fossil fuel for combustion, which includes heating the fossil fuel and an additive in a combustion zone. The additive contains a lime flux that lowers the melting point ...
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WO/2001/077258A1 |
The invention relates to a composition and process for improving the combustion of any kind of combustible. Also the invention relates to a process and device for obtaining such composition. The variant destined to the firing installatio...
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WO/2001/054819A1 |
A process for upgrading brown coal and/or the recovery of metal values. The process includes providing two or more converging surfaces defining a nip therebetween wherein, at least one of said surfaces is rollable in a direction toward s...
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WO/2001/040415A2 |
An additive is described as preventing deposits and corrosion of heating furnaces or steam generators, which is characterized by the fact that it is a water solution, containing 25$m(X)40 g/l K?+¿ ions, 60$m(X)80 g/l NO¿3??-¿ ions, a ...
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WO/2001/040405A1 |
An inhibitor which is capable of inhibiting a carbonaceous powder such as a coal or carbon black powder from heating up or spontaneously igniting during stacking or storage. The inhibitor comprises (1) at least one substance selected bet...
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WO/2001/032803A2 |
Process for treating coal to enhance its rank, wherein the temperature of the material is gradually increased in a controlled set of atmospheres, to allow for the reduction of surface and inherent moisture and the controlled reduction of...
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WO/2001/030944A1 |
The present invention relates to a process for clean combustion of coal and production of concomitant product, as well as the method that makes use of the concomitant product. In particularly, the present invention relates to the process...
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WO/2001/025373A1 |
A method of manufacturing a coal product having reduced sulfur emissions including the steps of grinding coal into a powder form having a desired particle size; blending the ground coal with hydrated lime; adding water to the blend so as...
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WO2000015734A9 |
Sulfur-containing carbonaceous materials are desulfurized by reaction with a mixture of an oxidizing agent and an oxygenated solvent such as diethyl ether under alkaline conditions at a temperature preferably ranging from ambient tempera...
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WO/2000/027533A1 |
A coal processing mill incorporates integral systems for coarse coal dewatering (5), grinding (9), injection of peptizing agent (11) into the ground coal stream before it enters an agitation zone (12) where the peptizing takes place, pas...
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WO/2000/017292A1 |
A fuel additive for use in the treatment of liquid hydrocarbon fuels to reduce polluting emissions during the combustion of such fuels wherein the additive composition is formulated to contain mineral seal oil, mineral spirits, a glycol ...
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WO/2000/017293A1 |
A fuel additive for use in the treatment of diesel fuels to reduce polluting emissions during the combustion of such fuels wherein the additive composition is formulated to contain mineral seal oil, mineral spirits, a glycol alkyl ether ...
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WO/1999/061554A1 |
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 °F and a pressur...
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WO/1999/050609A1 |
The present invention relates to a heat exchanger apparatus (12) including a plurality of selectively detachable cells (38) to accommodate varying amounts of carbonaceous material to be treated. The invention also relates to systems (10)...
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WO/1999/032586A1 |
A method and composition are disclosed to reduce the oxidative deterioration of bulk materials. Preferred embodiments of bulk materials include solid fuel materials, such as coal, and bulk food products. The method includes sizing a bulk...
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WO/1999/011976A1 |
A method for preventing the sintering of bed material caused by the alkali metal alloys of low melting points contained in the fuel of a circulating fluidized-bed boiler or a fluidized-bed boiler. In the method, an auxiliary admixed with...
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