Class 44/641 - SOLID FUEL COMBUSTION IMPROVING COMPOSITION

Subclass of Class 44 - Fuel and related compositions
Definition: Composition which in itself is not a fuel, designed to be
No. of patents: 26
Last issue date: 10/25/2011

Number	Title	Issue Date
8043388	Grafted polymer drag-reducing agents, grafted polymer fuel additives and production methods therefor The invention includes a method of reducing drag in a pipeline and/or improving the combustion efficiency of a fuel burning device by adding a grafted polymer to a hydrocarbon product. The invention also includes a method of improving the combustion efficiency of a ...	10/25/2011
7862630	Chemical change agent The present invention relates to an improved chemical change reagent which is used as an additive to coal to enhance the complete combustion of the coal after turning it into a synthetic fuel. The composition is a chemical change agent in that it converts the coal/c...	01/04/2011
7357903	Method for reducing NOx during combustion of coal in a burner An organically complexed nanocatalyst composition is applied to or mixed with coal prior to or upon introducing the coal into a coal burner in order to catalyze the removal of coal nitrogen from the coal and its conversion into nitrogen gas prior to combustion of th...	04/15/2008
6299656	Non-fossil fuel additives for predominantly hydrocarbon fuels Non-fossil gaseous fuel, evolved in underwater carbon arcing, and characterized by significant heat content and substantial freedom of its combustion effluents from noxious gases and/or particulates, is similarly useful in whole or part as an additive to ...	10/09/2001
6083289	Pulverized coal carriability improver The use of pulverized coal as the fuel to be injected into metallurgical or combustion furnace becomes possible enabled by improving the transportability thereof. Further, a pulverized coal is provided, which is inhibiting from bridging or channeling in a...	07/04/2000
6067914	Method of operating a combustion unit of a coal-fired power plant with a slag tap furnace and combustion plant operating according to the method 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 accelerating coal burn-up, bu...	05/30/2000
5893946	Combustible carbonaceous compositions and methods A combustible carbonaceous composition and method of making a charcoal briquette wherein a finely divided carbonaceous material is combined with an activated carbon and/or an activated graphite (which may be formed in-situ during pyrolysis of the composit...	04/13/1999
5407560	Process for manufacturing petroleum cokes and cracked oil from heavy petroleum oil A novel process is disclosed by which petroleum cokes and cracked oil can be produced by thermal cracking of a heavy petroleum oil to which a rare earth metal compound is added. The process produces petroleum cokes with an improved combustibility and prom...	04/18/1995
5332407	Diesel fuel additive providing clean up detergency of fuel injectors A diesel fuel composition comprising a major portion of a middle distillate fuel oil and a minor portion, effective to clean deposits from diesel fuel injectors, of a diesel fuel detergent comprising the reaction product of: (a) a 4-alkyl-2-morpholinone repres...	07/26/1994
5252107	Ignition fluid Disclosed are novel, environmentally safe fluids for the ignition of charcoals, the fluids consisting of either liquid terpenes or mixtures of terpenes and aliphatic alcohols, water, and surfactants, as well as methods of using the novel environmentally s...	10/12/1993
4968324	Process for producing a solid, finely divided fuel based on coal Solid, finely divided fuels based on coal with a particle size distribution according to which at least 90% of the particles have a size of less than 90 μm, whereby the fuel contains 0.1 to 5 wt % calcium compounds and 0.01 to 1 wt % of a halogen-free an...	11/06/1990
4836117	Oxidation catalyst and processes using same High-temperature, attrition resistant, oxidation catalysts are disclosed. These catalysts are represented by the formula AMOw [(DOx)(EOy)a]z wherein A is an alkali or alkaline earth metal; M is V, Cr, Mo, Mn, Fe, Co, Ni, C...	06/06/1989
4831942	Method of controlling deactivation of denitrating catalyst The deactivation of a denitrating catalyst that is caused by exhaust gas dust in a boiler, a furnace or the like which employs a fossil fuel, particularly pulverized coal, can be controlled with excellent results by adding to a fuel at a mill installed in...	05/23/1989
4824441	Method and composition for decreasing emissions of sulfur oxides and nitrogen oxides A method and composition are provided for decreasing emissions of sulfur oxides and nitrogen oxides upon combustion of carbonaceous fuel material. In particular, the composition comprises a refined coal, having low ash-forming material and inorganic sulfu...	04/25/1989
4765259	Sodium addition to low rank coal to enhance particulate removal from combustion effluent The present invention provides a method for rendering coal more suitable for combustion in systems having electrostatic precipitators for removal of particulates from effluent combustion gas streams, which comprises contacting the coal with an aqueous sol...	08/23/1988
4756719	Portable fuel composition A novel portable fuel composition comprises 10 parts by weight of combustible polymer such as polypropylene, 20-35 parts by weight of organic solvent such as petroleum solvent and 3-9 parts by weight of coarse powder of fiber material such as sawdust, and...	07/12/1988
4526703	Absorbent for the dry removal of sulfur dioxide and like components of an exhaust gas An absorbent for the dry removal of sulfur dioxide and other noxious and toxic components from a combustion flue gas which consists essentially of at least one finely divided alkaline-earth compound and an additive selected from the group which consists o...	07/02/1985
4498402	Method of reducing high temperature slagging in furnaces and conditioner for use therein A method of ameliorating high-temperature slagging conditions which result from impaction on the boiler interior surfaces of molten or semi-molten ash particles in flue gas resulting from the combustion of fuel. The method comprises adding a conditioner t...	02/12/1985
4440100	Method of introducing additive into a reaction gas flow A method of continuously introducing additive, which is conveyed by gaseous and/or liquid carriers, into a turbulent reaction gas flow in the combustion chamber of a steam generator having dry ash withdrawal for selective removal, in a dry manner, of envi...	04/03/1984
4388877	Method and composition for combustion of fossil fuels in fluidized bed A method and composition are described for carrying out the combustion of fossil fuels in a fluidized bed with reduced emissions of sulfur, carbon and nitrogen oxides and unburned hydrocarbons. Combustion is carried out in the presence of a solid sulfur o...	06/21/1983
4372227	Method of reducing high temperature slagging in furnaces Slag buildup in high-temperature areas of a furnace system is minimized by adding to the molten ash particles carried by the flue gas a conditioner which is taken up by those molten particles and produces a nucleating effect when those particles cool, cau...	02/08/1983
4293312	Combustible compositions and processes for their production An ignitable combustible composition comprising a matrix of solid resin having distributed therethrough combustible liquid, e.g. kerosene, water and contains also up to 25% by weight of a particulate non-combustible solid having a specific surface area of...	10/06/1981
4293313	Combustible compositions and processes for their production An ignitable combustible composition comprising a matrix of solid resin having distributed therethrough combustible liquid, e.g. kerosene, water and contains also up to 25% by weight of expanded perlite to lengthen the burning time of a unit volume of the...	10/06/1981
4256703	Fly ash collection To a coal-fired furnace that uses electrostatic precipitation or a mechanical collector to collect fly ash, a mix of magnesia-alumina or magnesia-talc is added above the fireball (2600°-3300° F.). The additive increases the mean particle size of the fly...	03/17/1981
4190421	Fireside treating compositions This invention constitutes improvement in the art of introducing fuel additives into the fireside of coal fired boiler tubes to facilitate the removal of slag and like deposits from the fireside, to lower acid smut pollution, to control corrosion, and to ...	02/26/1980
4189305	Smokeless fire kindling device A clean, substantially smokeless, non-volatile, normally solid product for the ignition of fires, such as charcoal or wood fires, for cooking, campsites, home fireplaces, and so forth. The device comprises a shaped intimate mixture of a wax (e.g. hydrocar...	02/19/1980

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Class 44/641 - SOLID FUEL COMBUSTION IMPROVING COMPOSITION