Solid Fuel Combustion Improving Composition Patents (Class 44/641)
  • Publication number: 20150121749
    Abstract: An organic fuel additive for improving the combustion of a bioenergy solid fuel product, the organic fuel additive comprising a mixture of combustible organic fines and a polymer material, wherein the polymer material encapsulates the combustible organic fines in solid form, and methods of making and using the same.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 7, 2015
    Applicant: Superior Coatings Group, LLC
    Inventors: Hans E. Iverson, Kerstin K. Iverson
  • Patent number: 8845767
    Abstract: An iron salt of an organic acid, selected from formic acid, carboxylic acids having (3) or more carbon atoms and sulphonic acids, is used to reduce the carbon content of the fly ash, when coal is combusted.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: September 30, 2014
    Assignee: Innospec Limited
    Inventors: Ian McRobbie, Alan Ross, Victoria Pellegrini, James Barker, Katherine Le Manquais, Colin Snape
  • Patent number: 8574324
    Abstract: A process for burning coal or other carbonaceous fuels captures sulfur and other undesirable compounds are captured and retained in non-reactive ceramic-like form after the combustion phase. The process involves addition of multiple element alkali powders and/or sorbents preferably containing oxidizing anions such as nitrates and nitrites, preferably based on calcium. In various embodiments, the remediation materials when applied in a complex powder and/or liquid containing multiple elements, result in higher sulfur capture than the materials would otherwise achieve on an individual basis. In a preferred embodiment, the sorbents contain elements that minimize or lower the melting point of the ash. This leads to lowered cohesiveness and toughness of the ash so that less ash builds up on the boiler and better heat transfer is obtained.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: November 5, 2013
    Assignee: NOx II, Ltd.
    Inventors: Douglas C. Comrie, Vincent A. Vellella
  • Patent number: 8408148
    Abstract: The invention provides a method of increasing the efficiency of a combustion process by adding bentonite to the flame, fireball or burner region combustion zone of the combustion process. Also provided is a combustion chamber that includes a bentonite feed system and a fuel additive composition of a bentonite such as sodium bentonite having a particle size range that may be employed in the method of the present invention.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: April 2, 2013
    Assignee: Atlantic Combustion Technologies Inc.
    Inventor: William T. Digdon
  • Patent number: 8282693
    Abstract: The invention provides a method of operating a thermal installation comprising a combustion chamber fed with a fuel contaminated with vanadium, with sulphur and possibly with sodium. In particular, the combustion chamber is also fed with boron and with magnesium, in quantities such that the sodium molar ratio s=Na2SO4/V2O5, the magnesium molar ratio m=MgO/V2O5 and the boron molar ratio b=B2O3/V2O5 satisfy the equation m?3+2b?s, so that the combustion products comprise magnesium orthovanadate, mixed magnesium boron oxide and possibly sodium borate. The invention also provides for the use of such a method to inhibit corrosion of the thermal installation by vanadium oxide, possibly in the presence of sodium.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: October 9, 2012
    Assignee: GE Energy Products France SNC
    Inventors: Michel Moliere, Emmanuel Rocca, Lionel Aranda, Aurelie Chiaravalle
  • Publication number: 20120030999
    Abstract: A method of preparation for high-efficiency and energy-saving desulfuration additive of coal, which is characterized in that its components comprise the following materials by weight percentage: 30-40% ammonium perchlorate, 5-12% manganese carbonate, 5-12% zinc oxide, 10-23% sodium permanganate, 3-9% manganese dioxide, and 20-35% calcium phosphate primary. The above materials are mixed and broken up, and screened with sieve of 250-300 meshes. A method of application for high-efficiency and energy-saving desulfuration additive of coal in that the additive is fully mixed with coal for firing in furnace, wherein the weight ratio between the additive and the coal is between 3 to 1000 and 8 to 1000. While the coal is fired, the additive not only supports combustion to reduce coal consumption but more effectively decreases harmful gases in the furnace by firing, removing and defusing impurities and harmful substances in the coal so that no harmful substances are formed and discharged.
    Type: Application
    Filed: August 3, 2010
    Publication date: February 9, 2012
    Inventor: Binglian Chen
  • Patent number: 8043388
    Abstract: 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 gasoline engine by adding a grafted polymer to fuel and combusting the fuel within the gasoline engine, the grafted polymer having a viscoelastic effect in gasoline in the gasoline engine to generally correspond to a duration of the intake stroke/compression stroke/fuel burn sequence in a gasoline engine.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: October 25, 2011
    Assignee: Himmelsbach Holdings, LLC
    Inventors: Paul F. Waters, John B. Waters
  • Publication number: 20110016777
    Abstract: A process for reducing the carbon content of ash from a burner comprises heating a carbon-based fuel in the presence of a fuel improver in a burner. The fuel improver comprises at least one metal oxide selected from the group comprising: iron oxide, calcium oxide, silicon dioxide, magnesium oxide and aluminium oxide. The average particle size of the fuel improver is reduced to give a particle size in the range 1 to 100 micron.
    Type: Application
    Filed: February 9, 2009
    Publication date: January 27, 2011
    Applicant: INTERNATIONAL INNOVATIVE TECHNOLOGIES LIMITED
    Inventors: Colin Metcalfe, David Dixon
  • Patent number: 7862630
    Abstract: 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/composition mix into a different material which, when burned, results in lower NOx emissions. The composition includes a wax, a base for ph adjustment and water and is mixed with the coal prior to combustion.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: January 4, 2011
    Assignee: State Line Holdings, LLC
    Inventors: Joseph W. Hundley, Steven A. Dunwoody
  • Patent number: 7540890
    Abstract: A processed solid fuel composition incorporating agents for destroying creosote and soot within flue ducts and chimneys of fireplaces, solid fuel stoves and other heating devices is disclosed, along with a method for its manufacture and a method for its use. The composition is made up of a combination of compressed cellulosic particulate material and a chemical and/or catalytic creosote and soot removing agent, and is molded in the form of a fire log in the preferred embodiment. The composition may be used alone, but is ideally applied to an active fire to treat a chimney flue by combined heating and chemical disaggregation of accumulated creosote and soot deposits.
    Type: Grant
    Filed: March 1, 2004
    Date of Patent: June 2, 2009
    Inventor: Clark Schaefer
  • Publication number: 20080168709
    Abstract: A safe, metal-containing combustion additive and a method of formulation is directed for use in connection with utility and industrial furnaces. The additive includes a metal-containing catalyst, a ligand for complexing with the catalyst and a solvent for carrying the catalyst/ligand complex. The vapor pressure of the additive is less than about 200×10?5 Torr at 100° F.
    Type: Application
    Filed: January 16, 2007
    Publication date: July 17, 2008
    Inventors: Allen A. Aradi, Stephen A. Factor, Gregory H. Guinther, Joseph W. Roos
  • Publication number: 20040168365
    Abstract: The present invention relates to a 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/composition mix into a different material which, when burned, results in lower NOx emissions. The composition includes a wax, a base for ph adjustment and water and is mixed with the coal prior to combustion.
    Type: Application
    Filed: March 1, 2004
    Publication date: September 2, 2004
    Inventor: Joseph W. Hundley
  • Patent number: 6299656
    Abstract: 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 predominantly hydrocarbon fuels—whether in bulk storage or transport, flowing in a pipeline, fueling a cutting/welding torch, or fueling an internal-combustion engine. Dosing a predominantly hydrocarbon fuel with all or a selected part of such gaseous fuel mixture inhibits leakage and substantially diminishes noxious effluent gases and particulates as characteristic of the combustion of predominantly hydrocarbon fuels.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: October 9, 2001
    Assignees: Arcall, L.L.C.
    Inventors: William H. Richardson, Jr., James A. Wilcox, Douglas A. Palmer
  • Patent number: 6083289
    Abstract: 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 hopper, or piping choking. A water-soluble inorganic salt having a polar group is made to adhere to pulverized coal which is prepared from raw coal having an average HGI of 30 or above and which is in a dry state at the injection port of a metallurgical or combustion furnace, The inorganic salt is selected from among BaCl.sub.2, CaCl.sub.2, Ca(NO.sub.2).sub.2, Ca(NO.sub.3).sub.2, Ca(ClO).sub.2, K.sub.2 CO.sub.3, KCl, MgCl.sub.2, MgSO.sub.4, NH.sub.4 BF.sub.4, NH.sub.4 Cl, (NH.sub.4).sub.2 SO.sub.4, Na.sub.2 CO.sub.3, NaCl, NaClO.sub.3, NaNO.sub.2, NaNO.sub.3, NaOH, Na.sub.2 S.sub.2 O.sub.3, Na.sub.2 S.sub.2 O.sub.5, HNO.sub.3, H.sub.2 SO.sub.4, H.sub.2 CO.sub.3, and HCl.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: July 4, 2000
    Assignee: Kao Corporation
    Inventors: Reiji Ono, Takashi Nakaya, Yoshio Kimura, Tsunao Kamijo, Kenichi Miyamoto, Takashi Matoba, Hidemi Ohashi, Takehiko Ichimoto
  • Patent number: 6067914
    Abstract: 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, burning the titanium-containing material together with the coal in the melting chamber at a temperature above 1500.degree. C., and generating fly ash and molten ash as a result of combustion in the melting chamber. Additionally, a combustion unit for a coal-fired power plant, including a melting chamber that has a combustion zone for receiving coal. The combustion zone produces fly ash.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: May 30, 2000
    Assignees: Siemens Aktiengesellschaft, STEAG Aktiengesellschaft
    Inventors: Erich Hums, Horst Spielmann, Ralf Gilgen
  • Patent number: 5893946
    Abstract: 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 composition by reacting a humic-containing ore with a low VOC-containing carbon and/or graphite). The combustible carbonaceous composition is present in the briquette composition in an amount of about 65% to about 99.9% by weight; a binder is included in the composition in an amount of about 1% to about 15% by weight when forming a charcoal briquette or an igniter log; and the activated carbon and/or activated graphite is present in an amount of about 0.1% to about 20% by weight. The activated carbon and/or activated graphite absorbs most of the VOCs entitled from the combustible carbonaceous material, thereby preventing the VOCs from escaping to the atmosphere.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: April 13, 1999
    Assignee: Amcol International Corporation
    Inventor: Charles R. Landis
  • Patent number: 5407560
    Abstract: 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 promotes the yield of cracked oil at the same time.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: April 18, 1995
    Assignee: Japan Energy Corporation
    Inventors: Shintaro Miyawaki, Kiyomi Ishii, Mamoru Yamane
  • Patent number: 5332407
    Abstract: 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 represented by the formula: ##STR1## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, and(b) an alkylphenoxypolyoxyalkylene amine represented by the formula: ##STR2## in which R' represents a hydrocarbyl radical having from 4 to 30 carbon atoms, x has a value from 5 to 50, and R" represents a methyl radical or a mixture of hydrogen and methyl radicals.A method of cleaning diesel fuel injectors is also provided.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: July 26, 1994
    Assignee: Texaco Inc.
    Inventor: Sheldon Herbstman
  • Patent number: 5252107
    Abstract: 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 safe fluids.
    Type: Grant
    Filed: August 23, 1991
    Date of Patent: October 12, 1993
    Inventor: Joe S. Wilkins, Jr.
  • Patent number: 4968324
    Abstract: 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 .mu.m, whereby the fuel contains 0.1 to 5 wt % calcium compounds and 0.01 to 1 wt % of a halogen-free and sulfur-free water-soluble iron compound, each based on dry weight, plus calcium and iron, permit an effective reduction n nitrogen oxide emissions in combustion gases when produced in such a way that the coal is impregnated with a 5 to 60 wt % aqueous solution of the iron salt and separately from that is also impregnated with a 10 to 75 wt % solution or suspension of calcium hydroxide and water in the absence of briquetting or pelletizing binders and then is milled in a milling and drying installation and dried to a water content of less than 1 wt %.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: November 6, 1990
    Assignee: Deutsche BP AG
    Inventors: Friedrich H. Franke, Michael J. Paersch
  • Patent number: 4836117
    Abstract: High-temperature, attrition resistant, oxidation catalysts are disclosed. These catalysts are represented by the formula AMO.sub.w [(DO.sub.x)(EO.sub.y)a]z wherein A is an alkali or alkaline earth metal; M is V, Cr, Mo, Mn, Fe, Co, Ni, Cu or a mixture of two or more thereof; D is Zr, Ti, Hf, Ce, Th, Pr, Nb, Ta, W, Re or a mixture of two or more thereof; E is Ca, Mg, Sr, Ba, Y, La, Yb, Sm, Gd, Nd, Sc, V, Bi, Ce, Pr, Eu, Tb, Dy, Ho, Er, Tm, Lu or a mixture of two or more thereof; a is a number in the range of zero up to about 0.2; w is the number of oxygens needed to fulfill the valence requirement of AM; x is the number of oxygens needed to fulfill the valence requirements of D; y is the number of oxygens needed to fulfill the valence requirements of E; and z is a number in the range of about 10 to about 100. The invention further provides for the use of such catalysts in processes involving the combustion of organic materials (e.g., carbonaceous fuels, organic waste materials, etc.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: June 6, 1989
    Assignee: The Standard Oil Company
    Inventors: Raymond G. Teller, Ann M. Ebner, Christopher Bodolus, Victor R. Gupta
  • Patent number: 4831942
    Abstract: 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 a coal fuel line or at a point upstream of the mill at least one iron compound in a small amount in the form of an aqueous solution, or a powder or water slurry containing coal particles, or in case of employing pulverized coal or heavy oil as a fuel by adding a mixture of an iron compound, a vanadium compound and a tungsten compound, said mixture being in the form of powder, a water slurry or an oil slurry of powder, or an aqueous solution.
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: May 23, 1989
    Assignee: Toa Trading Co., Ltd.
    Inventors: Iwao Morimoto, Hiroshi Sasaki
  • Patent number: 4824441
    Abstract: 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 sulfur content, a sulfur sorbent, a sulfation promoter, and a catalyst for the reaction of sulfur dioxide to sulfur trioxide. Reduced emissions of sulfur oxides are achieved by combusting the composition in an oxygen restricted burner to lessen the effect of sorbent sintering while obtaining other advantages associated with mixing a sulfur sorbent with the carbonaceous material prior to combustion. Nitrogen oxides emissions are reduced by use of an oxygen restricted burner which lowers the flame temperature. Nitrogen oxides emissions are also reduced by lower flame temperatures resulting from endothermic reactions which are undergone by the sulfur sorbent and promoter.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: April 25, 1989
    Assignee: Genesis Research Corporation
    Inventor: James K. Kindig
  • Patent number: 4765259
    Abstract: 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 solution of a sodium compound for a time sufficient to permit the sodium in said solution to react with the coal.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: August 23, 1988
    Assignee: Exxon Research and Engineering Company
    Inventors: Thomas H. Colle, Ashok K. Moza
  • Patent number: 4756719
    Abstract: 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 optionally metal powder and dye. The composition is convenient for carrying and has a high degree of viscosity and calorific value. It can be utilized as a fuel for camping, for emergency, for preheating of a liquid fuel stove, for a simple portable cooking stove, or as a starter for igniting firewood.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: July 12, 1988
    Assignee: Shinagawa Fuel Co., Ltd.
    Inventor: Yoshitami Saito