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| Number | Title | Issue Date |
| 7111575 | Synthetic fuel plant A self-contained, floating, waterway supplied and moveable synthetic fuel plant includes apparatus for receiving components of and for making synthetic fuel of coal and binder for energy consumers. Processes are disclosed. ... | 09/26/2006 |
| 7017371 | Method for producing a glass Glass produced on basis of a raw material in form of a mixture of mainly mineral-containing components comprising sludge from e.g. purification plants and waste products from the industry, and having a determined chemical composition adjusted on basis of knowledge o... | 03/28/2006 |
| 6902589 | Method for producing shaped, activated charcoal The invention relates to a method for producing shaped, activated charcoal. According to the method, after being ground, carbon-bearing material, or a mixture of several carbon-bearing materials are rendered homogenous with a binding agent which contains water, or a... | 06/07/2005 |
| 6887282 | Tall oil pitch and fatty acid-based chemical change agent [CCA] formulation for solid and synthetic fuel production A chemical change agent containing water, tall oil, glycerides, and surfactants is used to create synthetic fuels. An alternate composition contains water, glycerides, and surfactants. The chemical change agent is formed by heating the tall oil; combining water, fat... | 05/03/2005 |
| 6530966 | Coal binder compositions and methods Binder compositions for converting coal waste into fuel including a distillable petroleum hydrocarbon emulsified with a surfactant and water are provided. The invention also includes methods for making the binder compositions. The methods include blending... | 03/11/2003 |
| 6524354 | Process for the production of low ash fuel The present invention describes a process for the production of low ash fuel using calcined petroleum coke by crushing and screening of calcined petroleum coke below 3 mm size, mixing the crushed and screened materials to achieve a bulk density in the ran... | 02/25/2003 |
| 5916826 | Pelletizing and briquetting of coal fines using binders produced by liquefaction of biomass A coal agglomerate is produced by the combination of coal fines with a binder obtained by the direct liquefaction of biomass material. The direct liquefaction is carried out in the absence of oxygen at typical temperatures between about 450 and 700° F. a... | 06/29/1999 |
| 5752993 | Blast furnace fuel from reclaimed carbonaceous materials and related methods A compressed briquette or other solid shape, object, or article useful as a coke substitute in blast furnaces disclosed as being manufactured so as to comprise a reaction product of fine carbonaceous material (such as coke breeze, coke fines, or petroleum... | 05/19/1998 |
| 5346630 | Coal dewatering In the vacuum filtering of coal slurries, dewatering of the filter cake is achieved by contacting the coal with a C8 to C20 aliphatic carboxylic acid or a derivative thereof, especially sodium oleate. Reductions in moisture levels ar... | 09/13/1994 |
| 5296005 | Process for converting coal into liquid fuel and metallurgical coke A method of recovering coal liquids and producing metallurgical coke utilizes low ash, low sulfur coal as a parent for a coal char formed by pyrolysis with a volatile content of less than 8%. The char is briquetted and heated in an inert gas over a prescr... | 03/22/1994 |
| 5264007 | Method of making fuel briquettes and the briquettes so made Fuel briquettes are made by blending a caking coal with pitch at a temperature above 100° C. but below 200° C. to form a pitch/coal alloy binder which is then hot-blended with any caking coke, especially petroleum coke and optionally finely-divided lime... | 11/23/1993 |
| 5236468 | Method of producing formed carbonaceous bodies A method for producing formed bodies from carbonaceous substances in which the starting materials are dry particles of synthetic graphite at least as fine as 20 mesh and dry particles of coal tar pitch at least as fine as 200 mesh. The synthetic graphite ... | 08/17/1993 |
| 5078927 | Process for making raw material bodies especially for the production of silicon or silicon alloys Raw material bodies such as briquettes, for use in the production of silicon or silicon alloys, are formed by mixing a pitch and caking coal at a temperature above 100° C. and up to 200° C. to form a pitch/coal alloy. This hot binder composition is mixe... | 01/07/1992 |
| 4908167 | Method for producing form bodies, such as briquettes Form or pressed bodies, such as briquettes, are made of a mixture including at least two components. A first component is formed by at least one fine grained solid material which does not soften below 800° C. A second component is formed by at least one ... | 03/13/1990 |
| 4889538 | Coal agglomeration beneficiation with heavy hydrocarbon oils and utilization thereof in coal/heavy oil coprocessing An improved process is described for agglomeration beneficiation of ground coal in which undiluted heavy oil or bitumen is used as the agglomerating vehicle. The ground cell, water and heavy oil or bitumen are mixed at an elevated temperature sufficient t... | 12/26/1989 |
| 4776859 | Process for beneficiating coal by means of selective agglomeration A process is disclosed for the beneficiation of coal by means of selective agglomeration, wherein an agglomerating blend is used, which is constituted by: one or more main agglomerating agent(s), selected from the light hydrocarbons having a boiling tempe... | 10/11/1988 |
| 4559060 | Upgrading method of low-rank coal A upgrading method of low-rank coal containing higher ash and moisture contents into coal decreased in ash content and decreased in moisture content and heightened in heating value includes subjecting the low-rank coal to a low-temperature dry distillatio... | 12/17/1985 |
| 4501593 | Process for the production of agglomerated fuels In the pelletization of particles of carbonaceous material improvements in pellet strength are obtained by applying a first water soluble or swellable thermo-hardening binder and a second binder which is an emulsion of a heavy hydrocarbon in such a way th... | 02/26/1985 |
| 4360422 | Process for selectively aggregating coal powder A process for removing ash from raw coal is described, comprising adding mineral oil to a slurry composed of a coal powder and water, granulating the coal by stirring to form granules, and separating the resulting coal granules by a screen, wherein the im... | 11/23/1982 |
| 4153419 | Agglomeration of coal fines Process for the agglomeration of coal fines characterized by the staged addition of an aqueous emulsion of an oil fraction to an aqueous slurry of the fines.... | 05/08/1979 |