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| Number | Title | Issue Date |
| 8177867 | Nano-dispersions of coal in water as the basis of fuel related technologies and methods of making same Colloidal coal-in-water slurries having nano-particles of coal creating a pseudo-fluid. The colloidal coal-in-water slurry generally includes from about fifty to about seventy two weight percent of coal, with about 20 to about 80 percent of the coal having a particl... | 05/15/2012 |
| 7201781 | Carbohydrate-based fuel mixture and method for operating an internal combustion engine using a carbohydrate-based solid fuel A fuel mixture containing a suspension in air at a concentration of about 200 mg of fuel per liter of air, of a solid fuel including at least one of a cereal flour, a cotton flour, a soybean flour, a potato flour, a cassava flour, a dehydrated chocolate powder and a... | 04/10/2007 |
| 7056359 | Process for modifying coal so as to reduce sulfur emissions 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 to have a moisture content o... | 06/06/2006 |
| 6786941 | Methods of controlling the density and thermal properties of bulk materials Methods of controlling the bulk density, permeability, moisture retention and thermal properties of bulk materials are provided by selectively sizing the bulk material. Preferably, the bulk material is sized into successively smaller particle size fractions, with th... | 09/07/2004 |
| 6193768 | Particulate waste wood fuel, method for making particulate waste wood fuel, and a method for producing energy with particulate waste wood fuel A particulate waste wood fuel comprising wood particles comprising less than 20% water by weight and having a particle size distribution suitable for combustion of the particulate wood fuel in a particulate fossil fuel suspension furnace. A method for mak... | 02/27/2001 |
| 4961756 | Fluidized-bed combustion fuel A continuous fluidized-bed combustion process for particulate carbonaceous feedstock of high ash content. The feedstock fuel is prepared from culm or mine tailings washed in a dense media and crushed to yield a fuel product having an ash content in a rang... | 10/09/1990 |
| 4935036 | Flash hydropyrolysis of bituminous coal A process is described for the flash pyrolysis of a high rank caking coal in a pyrolysis chamber in which the coal passes through a tacky state during flash pyrolysis. According to the novel feature, before entering the pyrolysis chamber, the particles of... | 06/19/1990 |
| 4526679 | Removal of low melting particles from unground coal liquefaction residue A mixture of low melting particles and high melting particles is heated to a temperature above the melting point of the low melting particles and below the melting point of the high melting particles thereby melting the low melting particles and forming a... | 07/02/1985 |
| 4525173 | Mineral slurries A pumpable slurry of mineral particles, e.g., coal, in water contains 50 to 85% by weight of mineral particles based on the combined weight of mineral particles and water. The mineral component contains at least 30% by weight of coarse particles having a ... | 06/25/1985 |
| 4377392 | Coal composition A shattered hydrocarbonaceous product comprising a mixture of discrete comminuted hydrocarbonaceous particles having a volumetric mean particle size equivalent to less than about 5 microns in diameter separate from or in admixture with discrete inorganic ... | 03/22/1983 |
| 4306881 | Carbon slurry fuels A liquid composition suitable as a high performance fuel and having improved rheological and stability properties comprising a liquid hydrocarbon having carbon particles dispersed therein of at least two disparate particle sizes, said two carbon particles... | 12/22/1981 |
| 4306882 | Carbon slurry fuels A liquid composition suitable as a high performance fuel and having improved rheological and stability properties comprising a liquid hydrocarbon having carbon particles dispersed therein of at least two disparate particle sizes, one of said carbon partic... | 12/22/1981 |
| 4305729 | Carbon slurry fuels A liquid composition suitable as a high performance fuel and having improved rheological and stability properties comprising a liquid hydrocarbon having carbon particles dispersed therein of at least two disparate particle sizes, one of said carbon partic... | 12/15/1981 |
| 4282006 | Coal-water slurry and method for its preparation A pipeline pumpable coal-water slurry having a novel combination of coal particles and carrier water is prepared by a method wherein the particle sizes and their distribution are controlled in accordance with a particle size distribution formula which is ... | 08/04/1981 |
| 3933443 | Coking component A coking component consisting essentially of a mixture of 10 to 60 percent of finely ground coke and at least one carbon-containing substance selected from coking coal, non-coking coal, petroleum coke, semi-coke or lignite. The carbon-containing substance... | 01/20/1976 |
