Class 44/597 - With applied heat

Subclass of Class 44 - Fuel and related compositions
Definition: Subject matter in which the condition or technique is one
No. of patents: 24
Last issue date: 06/10/2008

Number	Title	Issue Date
7383766	Coal dewatering system and method The invention relates to a coal dewatering system, method and apparatus. The dewatering system includes a preheater vessel (82) having a chamber (101) for heating coal, an inlet (84) to permit the passage of coal into the chamber (101), a...	06/10/2008
7264763	Method and apparatus for the manufacture of compacts A method for the manufacture of compacts from comminuted material (12) such as lignocellulose material and/or other combustible material for burning in hearths, wherein the material (12) is placed into openings (11) of a mold (4) and then...	09/04/2007
6635093	Method of making pelletized fuel The invention relates to a method of making pelletized fuel containing plastic and cellulose particles in which a feed stream containing plastic and cellulose particles is supplied to a pelletizing device. The process is used in particular in processes for rec...	10/21/2003
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
6436157	Gasification of biosludge The high intracellular water content contained within the cell walls of the bacterial cells of a dewatered biosludge is reduced by removing the intracellular water in a denaturing operation. This operation comprises heating the biosludge at a temperature ...	08/20/2002
6375690	Process for forming coal compacts and product thereof A process for forming durable, mechanically strong compacts from coal particulates without use of a binder is disclosed. The process involves applying a compressive stress to a particulate feed comprising substantially water-saturated coal particles while...	04/23/2002
6217625	Pelletized pulp A pelletized cellulosic pulp product is produced from a delignified and bleached paper pulp raw material that is useful as a combustion material. The size, shape, density and glazed outer surface of the pelletized product contributes to controlled combust...	04/17/2001
6063147	Gasification of biosludge The high intracellular water content contained within the cell walls of the bacterial cells of a dewatered biosludge is reduced by removing the intracellular water in a denaturing operation. This operation comprises heating the biosludge at a temperature ...	05/16/2000
5486217	Cellulosic composition A cellulosic composition 42 is provided which may be used as a charcoal briquette replacement, germination medium, oil and animal excretion absorbent, or as a source of nourishment....	01/23/1996
5431702	Waste conversion process and products A process is disclosed for time production of fuel pellets or briquettes from sewage sludge solids and municipal solid waste with minimal drying requirements. In one of its more specific aspects, this invention relates to a solid pelleted or briquetted fu...	07/11/1995
5250080	Process for manufacturing a solid fuel A process is disclosed for manufacturing solid fuel which includes the steps of mixing a biomass, a heavy hydrocarbon and a sorbent to form a hydrocarbon-biomass slurry, the biomass being characterized by a particle size and distribution of about 50% betw...	10/05/1993
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
5067968	Briquette product, and process for its production The briquetting of bituminous coals without the use of extraneous binders is effected by a system of high temperature, high pressure mold forming of the coal fines material in an apparatus incorporating a high pressure roll-type briquetting press, to prov...	11/26/1991
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
4702745	Process for dewatering high moisture, porous organic solid A high moisture porous organic solid is dewatered by the steps of (1) heating the high moisture porous organic solid in a fluid medium having an elevated temperature and a high pressure, thereby reducing the moisture of the solid, (2) starting to compress...	10/27/1987
4496365	Method of producing briquettes from organic waste products In a method of producing fuel briquettes from organic waste products calcium oxide together with the enriching coal are added to the waste organic products subjected to high pressures to produce sterilized fuel briquettes of high heating values....	01/29/1985
4362532	Production of blast furnace coke via novel briquetting system A method of making high strength coke briquettes suitable for use as blast furnace coke comprising, (a) providing coal, (b) heating the coal at a temperature at or above the softening point of the coal to form partially carbonized char, (c) cooling the partial...	12/07/1982
4314825	Process of preparing combustible solid fuel A process for preparing combustible solid fuel from grain residue which includes the steps of passing the grain residue through a pelletizing zone wherein the residue is subjected to compaction pressure of greater than about 100 psi while passing live ste...	02/09/1982
4220453	Process for producing artificial fire logs Process for producing artificial fire logs from a mixture comprising wood material and a binder, particularly a resin binder. Each log is formed in an individual mold, and a batch of mix required for a single log is divided into two approximately equal po...	09/02/1980
4138223	Manufacture of pellets from coal liquefaction products The effluent slurry product from a coal liquefaction reactor is split into two streams. The first stream is subjected to vacuum distillation to produce a vacuum bottoms. The second stream is mixed with particulate char to form a solids-enriched slurry fee...	02/06/1979
4138221	Manufacture of pellets from coal conversion products The manufacture of pellets from pumpable non-distillable coal conversion products is accomplished as follows. The non-distillable product is split into two streams. A pelletizable composition is made from a mixture of one stream with char made from the ot...	02/06/1979
4059412	Method for producing fuel briquettes Fuel briquettes are produced by hot pressing a mixture of a fine grained coal softening at the pressing temperature and a coal component which hardly or not at all softens at the pressing temperature. The starting materials are converted into a granular s...	11/22/1977
4015951	Fuel pellets and method for making them from organic fibrous materials Pellets adapted to be burned in industrial applications are prepared by adjusting the particle size of organic fibrous material to not more than about 85% of the minimum dimension of the pellets to be produced, adjusting the moisture content of the fibrou...	04/05/1977
4004893	Methods for molding coal and like material Method for molding coal and like material, wherein the material is converted solely by heat to plastic-like condition and then molded....	01/25/1977

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Class 44/597 - With applied heat