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| Number | Title | Issue Date |
| 8057556 | Processing paint sludge to produce a combustible fuel product A method for producing a combustion product that involves dewatering raw paint sludge from spray paint booth operations. The resulting material can provide significant and economical fuel value to combustion processes such as for power plants while also obviating th... | 11/15/2011 |
| 7442224 | Fertilizer compositions and methods of making and using same Fertilizer compositions for plant production are described, comprised of decontaminated manure and Bacillus spores, preferably a humic acid derived from lignite and, optionally, one or more of N compounds, P compounds, K compounds, and combinations of two or ... | 10/28/2008 |
| 7419514 | Process for producing a liquid fuel composition A process to produce a flowable fuel or fuel supplement from solid and/or liquid waste, such as industrial waste. A system to carry out the process includes producing from the solid and/or liquid industrial waste a solid char and vaporize liquids, recombining the ch... | 09/02/2008 |
| 7341102 | Flue gas injection for heavy oil recovery A variety of methods for thermal recovery of natural gas and bitumen from a formation containing the latter. In general, the methods incorporate a series of existing, but previously uncombined technologies. A modified flue gas from the steam generators conventionall... | 03/11/2008 |
| 7328805 | Method and system for beneficiating gasification slag The present invention provides a method of beneficiating slag, including mixing the slag with water to form a slurry. The slurry is screened through a first screen to remove a first portion of material and then screened through a second screen to remove a second por... | 02/12/2008 |
| 7311786 | Passivation of sulfidic iron-containing rock A method for passivating sulfidic iron-containing rock comprising: contacting sulfidic iron-containing rock with a magnesium-containing substance, a manganese-containing substance, and a calcium-containing substance; and adjusting the pH of the system to below about... | 12/25/2007 |
| 7294156 | Integrated process for bitumen recovery, separation and emulsification for steam generation The invention relates to a process for splitting bitumen into two fractions and rendering a heavier bottom fraction as a useable emulsion fuel. The process is particularly effective in creating an alternate fuel to natural gas in a steam-based bitumen recovery proce... | 11/13/2007 |
| 7279017 | Method for converting heavy oil residuum to a useful fuel A method for enabling the use of heavy oil residuum by conversion to a useful product. The method, in one embodiment, involves the use of a heavy oil residuum which is substantially non flowable. The viscosity of the residuum is reduced by heat or a combination of h... | 10/09/2007 |
| 7128767 | Method to upgrade low rank coal stocks The ash content of raw coals, lignite, and other carbonaceous materials is reduced by leaching the high-ash material with an aqueous acidic waste product produced by a Fischer-Tropsch reaction. The acidic aqueous waste is mixed with coal and process conditions are d... | 10/31/2006 |
| 7095604 | Electrode for electric double-layer capacitor, and slurry for forming the same In an electric double-layer capacitor, a solution of a quaternary ammonium borofluoride compound in propylene carbonate is used as an electrolyte. The electrode includes alkali-activated carbon made using meso-phase pitch as a starting material, and a conductive fil... | 08/22/2006 |
| 7083375 | System and method for transporting and handling bulk quantities of bulk feed A system and method for handling and transporting moist bulk grain by-products include a rail car having an aluminum car body carried by a plurality of trucks for engaging rails. A flexible top cover, supported by a plurality of breakaway curved ribs, is positioned ... | 08/01/2006 |
| 7008606 | Process for passivating sulfidic iron-containing rock A method is provided for passivating sulfidic iron-containing rock comprising contacting sulfidic iron-containing rock with one or more members of the group consisting of magnesium oxide, magnesium hydroxide, magnesium chloride, magnesium nitrate and magnesium carbo... | 03/07/2006 |
| 6994827 | Parallel semicontinuous or continuous reactors Parallel semi-continuous or continuous reactors are disclosed. The parallel reactors preferably comprise four or more reaction vessels. The reaction vessels are preferably small volume reaction vessels, preferably pressure reaction vessels, and/or preferably integra... | 02/07/2006 |
| 6946008 | Composition as an additive to create clear stable solutions and microemulsions with a combustible liquid fuel to improve combustion The present invention relates to an additive composition for a combustible fuel to produce improved combustion and reduced exhaust pollution of the combusted fuel, which additive composition comprises: a) one or more water-soluble ... | 09/20/2005 |
| 6932956 | Production of sulphur and activated carbon A petroleum coke-based combined De-SOx and De-NOx process is described comprising use of four key units, namely, a flue gas concentrator (FC), a carbothermal reducer (CR), an elemental sulphur condenser (SC) and an oxidizer for reduced sulphur and nitrogen species (... | 08/23/2005 |
| 6905028 | Method of separation by altering molecular structures Method of separation that uses at least one organic chemical reaction to alter the molecular structure of a substance or substances (102) so that a mechanical method of separation can be used to cause the separation of one or more substances from one or a gro... | 06/14/2005 |
| 6884271 | Composition as an additive to create clear stable solutions and microemulsions with a combustible liquid fuel to improve combustion The present invention relates to an additive composition for a combustible fuel to produce improved combustion and reduced exhaust pollution of the combusted fuel, which additive composition comprises: a) one or more water-soluble ... | 04/26/2005 |
| 6860911 | Synfuel composition and method of using same The present invention re lates to a liquid synfuel additive composition which is used as an additive to coal fines 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 t... | 03/01/2005 |
| 6752843 | Asphalt emulsion producing and spraying process The present invention is directed to a process for creating an asphalt emulsion for use in manufacturing synthetic fuel and a novel process for introducing an asphalt emulsion into a synthetic fuel process. ... | 06/22/2004 |
| 6740133 | Chemical change agent for coal and method of using same An acqueous 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 Regulations as a synfuel. The composi... | 05/25/2004 |
| 6677388 | Wax transport composition Wax in water emulsions prepared from Fischer-Tropsch derived waxes, Fischer-Tropsch process water, and two alkyl ethoxylated phenol nonionic surfactants having different hydrophilic-lipophilic balances provide high performance pipeline transport of waxes ... | 01/13/2004 |
| 6488722 | Method and apparatus for spheroidizing particles The present invention relates to high-density coal-water mixed fuel and a producing method thereof and aims to reduce an amount of dispersant to be used in the coal-water mixed fuel having the good fluidity with the increased density and obtain the a coal... | 12/03/2002 |
| 6444711 | Aqueous, pumpable fluids from solid carbonaceous materials The invention is a method for forming a solid carbonaceous material into a pumpable fluid by combining the solid with an aqueous treatment solution and then subjecting the mixture to shearing forces. The solid carbonaceous material can be deasphalter unit... | 09/03/2002 |
| 6284806 | Water emulsions of Fischer-Tropsch waxes Hydrocarbon in water emulsions comprising Fischer-Tropsch process water, at least 20 to about 90 weight percent of a Fischer-Tropsch wax, a first nonionic surfactant having an HLB of at least 11 and a second nonionic surfactant having an HLB less than 11.... | 09/04/2001 |
| 6211252 | Method for forming aqueous, pumpable fluids from solid carbonaceous materials The invention is a method for forming a solid carbonaceous material into a pumpable fluid by combining the solid with an aqueous treatment solution and then subjecting the mixture to shearing forces. The solid carbonaceous material can be deasphalter unit... | 04/03/2001 |
| 6132478 | Coal-water slurry producing process, system therefor, and slurry transfer mechanism In a coal-water slurry producing system, low grade coal is wet-ground to not greater than 3 mm in particle size to produce a ground coal slurry. An upgrading treatment is applied to the ground coal slurry under a pressurized hydrothermal atmosphere not le... | 10/17/2000 |
| 6117305 | Method of producing water slurry of SDA asphaltene Disclosed is a method of producing water slurry of SDA asphaltene by dispersing residue resulting from solvent deasphalting of petroleum vacuum residue produced in refineries, which has low viscosity even at a high solid concentration and is stable for a ... | 09/12/2000 |
| 6113659 | Fuel comprising a petroleum hydrocarbon in water colloidal dispersion A fuel composition comprising a hydrocarbon in water colloidal dispersion including spherical hydrocarbon particles having a mean softening point exceeding about 95° C., and a water soluble dispersion agent comprising a surfactant and stabilizer. The pro... | 09/05/2000 |
| 6090168 | Processes and intermediates useful to make antifolates The present application relates to a series of novel sulfonic acid metal cation salts of the formula ##STR1## which are useful intermediates to prepare antifolate 5-substituted pyrrolo[2,3-d]pyrimidines. The present invention also relates to a novel ... | 07/18/2000 |
| 6083286 | High-concentration coal/water mixture fuel and process for production thereof The present invention relates to high-density coal-water mixed fuel and a producing method thereof and aims to reduce an amount of dispersant to be used in the coal-water mixed fuel having the good fluidity with the increased density and obtain the a coal... | 07/04/2000 |
| 6053954 | Methods to enhance the characteristics of hydrothermally prepared slurry fuels Methods for enhancing the flow behavior and stability of hydrothermally treated slurry fuels. A mechanical high-shear dispersion and homogenization device is used to shear the slurry fuel. Other improvements include blending the carbonaceous material with... | 04/25/2000 |
| 5900112 | Method of reducing the viscosity of a black liquor using thiocyanate salt A method of recycling sodium-based salts used for digesting wood in a digester during the manufacture of pulp and paper. The method comprises collecting a black liquor from the digester, concentrating the black liquor, and adding a salt to the black liquo... | 05/04/1999 |
| 5830246 | Process for processing coal A process for preparing an irreversibly dried coal in which coal with a moisture content of from about 5 to about 30 percent and a combined oxygen content of from about 10 to about 20 percent, and mineral oil with an initial boiling point of at least abou... | 11/03/1998 |
| 5690704 | Additive for carbonaceous solid-water slurry, method for production thereof, and carbonaceous solid-water slurry compositions An additive for a carbonaceous solid-water slurry which excels preeminently in the ability to disperse a finely powdered carbonaceous solid in water and, when used only in a small amount, permits production of a carbonaceous solid-water slurry which posse... | 11/25/1997 |
| 5685153 | Efficient utilization of chlorine and/or moisture-containing fuels and wastes A process for enhancing the fuel form, raising the energy content, and lowering the level of impurities of low rank coals and/or carbonaceous wastes, like Municipal Solid Waste (MSW), Refuse Derived Fuel (RDF), and sewage sludge, by providing the low rank... | 11/11/1997 |
| 5658357 | Process for forming coal compact without a binder A process for forming durable, mechanically strong compacts from feed mixtures comprising solid particles in contact with a liquid (e.g., carboniferous particles in contact with water) which does not require use of a binder is disclosed. The process compr... | 08/19/1997 |
| 5621156 | Hypergolic fuel formulation: diethylethanolamine, triethylamine, and carbon A hypergolic fuel formulation which is consistently hypergolic with inhibd red fuming nitric acid is comprised of diethylethanolamine from about 44-72 weight percent, triethylamine from about 11-18 weight percent, and carbon from about 45-10 weight perce... | 04/15/1997 |
| 5599356 | Process for producing an aqueous high concentration coal slurry An aqueous high concentration coal slurry having a high dispersion stability is produced by a process in which a coal material is wet pulverized at a low concentration in a dispersing agent-free aqueous medium, the resultant coal slurry is hydrated, the d... | 02/04/1997 |
| 5513584 | Process for the in-situ production of a sorbent-oxide aerosol used for removing effluents from a gaseous combustion stream A process for the in-situ production of an effluent sorbent-oxide aerosol during the combustion of a hydrocarbon containing fuel whereby the effluents are removed from the resultant gaseous hydrocarbon stream comprises admixing an aqueous solution of the ... | 05/07/1996 |
| 5499587 | Sulfur-sorbent promoter for use in a process for the in-situ production of a sorbent-oxide aerosol used for removing effluents from a gaseous combustion stream A process for the in-situ production of an effluent sorbent-oxide aerosol with promoter during the combustion of a hydrocarbon containing fuel whereby the effluents are removed from the resultant gaseous hydrocarbon stream comprises admixing an aqueous so... | 03/19/1996 |
