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| Number | Title | Issue Date |
| 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 |
| 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 |
| 6626966 | Coal briquette and production thereof A method of producing coal briquette at a low energy cost by saving heating step or drying step for fine coal, which comprises adding and mixing from 1 to 10 mass parts of powdery starch to a coal having 15 mass % or more of water content and comprising 5... | 09/30/2003 |
| 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 |
| 5104417 | Substitute coal from acetylene production by-products A coal substitute product and process for producing it from by-products formed in the production of acetylene from natural gas is disclosed. The first by-product is an aqueous slurry of soot which is mixed with the second by-product, an acetylene polymer.... | 04/14/1992 |
| 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 |
| 4969928 | Combined method for simultaneously dewatering and reconstituting finely divided carbonaceous material A finely-divided carbonaceous material is dewatered and reconstituted in a combined process by adding a binding agent directly into slurry of finely divided material and dewatering the material to form a cake or consolidated piece which can be hardened by... | 11/13/1990 |
| 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 |
| 4602917 | Formcoke having modified bituminous binder Formcoke is produced by separately introducing feedstocks of calcined coal particles, bituminous binder and a carbohydrate, preferably an aqueous sugar, into a mixing zone. The resulting mixture is compacted into shapes, such as briquettes, which are then... | 07/29/1986 |
| 4548615 | Process for manufacturing solid fuels from heavy hydrocarbon oils and vegetable materials A method for manufacturing a solid fuel composition by admixing vegetable organic material with an oil-in-water macro-emulsion and drying the resultant composition.... | 10/22/1985 |
| 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 |
| 4494958 | Blending asphaltite with lignite or bituminous coal The use of asphaltite blended with bituminous coals and lignites changes the agglomeration properties and quality of the resultant mixture to a degree and extent disproportionate to the blend.... | 01/22/1985 |
| 4412840 | Pelletizing lignite Lignite is formed into high strength pellets having a calorific value of at least 9,500 Btu/lb by blending a sufficient amount of an aqueous base bituminous emulsion with finely-divided raw lignite containing its inherent moisture to form a moistened gree... | 11/01/1983 |
| 4405331 | Refuse derived fuel and a process for the production thereof The subject invention pertains to a novel refuse derived fuel comprising a mixture of solid refuse, fly ash and a binder and to a process for its production. In a further embodiment of the invention, the novel refuse derived fuel includes coal fines as an... | 09/20/1983 |
| 4344769 | Process and installation for treating coking coal In the pre-heating of coal the coal is entrained and/or fluidized in a heat exchange chamber by a heat-transfer gas which pneumatically conveys the coal from the chamber through a duct to a separator in which the coal is separated from gas. A hydrocarbon ... | 08/17/1982 |
| 4330340 | Process to recycle bituminous roofing refuse into solid fuel and other energy-related products A method and apparatus for separating roofing refuse into its components for recycle into four valuable products (a) solid fuel (b) solid bitumen (c) bitumen coated aggregates (d) sheetmetal scraps. The refuse which contains fibrous paper pulp, bitumens, mica,... | 05/18/1982 |
| 4302209 | Lignite pellets and methods of agglomerating or pelletizing The specification discloses lignite pellets which are relatively hard, dust resistant, of generally uniform size and free from spontaneous ignition and general degradation. Also disclosed are methods for making such pellets which involve crushing as mined... | 11/24/1981 |
| 4234320 | Process for the agglomeration of solids The present invention pertains to a two-stage agglomeration process for coal fines in the form of a pumpable slurry. The slurry is selectively agglomerated in the first stage by the addition of a hydrocarbon binder and the bulk of the water separated from... | 11/18/1980 |
| 4221570 | Method and apparatus for producing hardened carbonaceous agglomerates An improved method and apparatus for producing hardened carbonaceous agglomerates from a feedstock selected from the group consisting of finely divided coal solids, finely divided coal-derived solids and hydrocarbonaceous binders is disclosed.... | 09/09/1980 |
| 4073625 | Process for preparing briquettes A process for preparing a briquette is disclosed. The process comprises a coal with a caking substance having a softening point of 20°-40° C. or with a caking substance having a softening point of above 40° C. and a solvent which has fluidity at normal... | 02/14/1978 |
| 3980447 | Process for the manufacture of brown coal briquettes A process of manufacturing briquettes from brown coal includes drying brown coal, which is preferably in fine granular form. The dried brown coal is then heated at a first rate up to a temperature in a range of from about 300° to about 320° C. The brown... | 09/14/1976 |
| 3966427 | Production of briquettes A process for producing briquettes from wet cakes or muds containing mineral ore, including coal particles, characterized in that a wet cake or a mud is mixed with a bituminous binder selected from the group consisting of powdered bitumen, molten bitumen ... | 06/29/1976 |
| 3946660 | Process for utilising straw A process for economically utilising straw in which the straw is compressed into briquettes having a density of at least 500 kg/m3, preferably at least 1000 kg/cm3, for subsequent use in a thermal, chemical or microbiological plant.... | 03/30/1976 |
