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| Number | Title | Issue Date |
| 7909896 | Process for production of low temperature char during production of low temperature tars An improved process for the production of smokeless (low CO2—CO emitting) boiler fuels which have been obtained by careful temperature control and the addition of waste, trash or other carbonaceous material during carbonization of various coal materials... | 03/22/2011 |
| 7282072 | Synthetic fuel and methods for producing synthetic fuel The present invention provides synthetic fuels, additives for use in preparing synthetic fuels and methods for producing synthetic fuel. The synthetic fuels include low levels of a chemical change additive selected from the group consisting of alkaline earth oxides ... | 10/16/2007 |
| 7008573 | Amorphous coke for special carbon material and production process for the same Provided are an amorphous coke for a special carbon material characterized in that it is an amorphous coke obtained by blending a coal tar base heavy oil and/or a petroleum base heavy oil with a resin and subjecting the mixture to thermal decomposition polycondensat... | 03/07/2006 |
| 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 |
| 6793697 | Coffee-sawdust-based solid fuel composition A solid fuel composition of spent coffee grounds and/or green coffee bean waste, sawdust and a wax binder is useful for manufacturing a fire-log with more flame output. This combination of solid particulate together with wax burns with a natural-sounding sizzling an... | 09/21/2004 |
| 6602306 | Artificial firelog with crackling additives An artificial firelog comprising a mixture of combustible materials and a combustible binder further contains particulate coke comprising about 1% to about 35% by weight of the firelog, the coke particles having a size less than about 4 mm, to create a re... | 08/05/2003 |
| 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 |
| 6231627 | Method to reduce oxidative deterioration of bulk materials A method and composition are disclosed to reduce the oxidative deterioration of bulk materials. Preferred embodiments of bulk materials include solid fuel materials, such as coal, and bulk food products. The method includes sizing a bulk material so that ... | 05/15/2001 |
| 6090312 | Reactor-membrane permeator process for hydrocarbon reforming and water gas-shift reactions New process designs are presented for reforming reactions of steam with hydrocarbons (such as methane, natural gas, light hydrocarbon feedstocks with one to four carbon atoms in each molecule), also for the water gas shift reaction that is of steam with c... | 07/18/2000 |
| 6033528 | Process for making blast furnace coke A blast furnace coal is produced by rapidly heating a coal blend having 10 to 30% by weight of a non-slightly-caking coal having softening initiation temperature T with the balance including a caking coal having softening initiation temperature T0 | 03/07/2000 |
| 5919277 | Method to reduce oxidative deterioration of bulk materials Disclosed is a method to reduce oxidative deterioration of bulk materials. Preferred embodiments of bulk materials include solid fuel materials, such as coal, and bulk food products. The method includes contacting a bulk material with a heat transfer medi... | 07/06/1999 |
| 5916827 | Composite briquette for electric furnace charge There is disclosed a briquette and a method of making the briquette, wherein the briquette includes a first quantity of carbon fines and a second quantity of a material in powdered form which contains iron or a similar metal, or an oxide thereof, the seco... | 06/29/1999 |
| 5912192 | Multi-layered solid combustible article and its manufacture A burnable article such as a fire log or a barbecue briquette is formed of a top fire-igniting layer, a middle fire-catching layer, and a body layer. The fire-igniting layer has a composition, in weight percent, of from about 47 to about 67 percent carbon... | 06/15/1999 |
| 5893946 | Combustible carbonaceous compositions and methods A combustible carbonaceous composition and method of making a charcoal briquette wherein a finely divided carbonaceous material is combined with an activated carbon and/or an activated graphite (which may be formed in-situ during pyrolysis of the composit... | 04/13/1999 |
| 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 |
| 5725613 | Method to reduce oxidative deterioration of bulk materials Disclosed is a method to reduce oxidative deterioration of bulk materials. Preferred embodiments of bulk materials include solid fuel materials, such as coal, and bulk food products. The method includes contacting a bulk material with a heat transfer medi... | 03/10/1998 |
| 5599361 | Reclaiming and utilizing discarded and newly formed coke breeze, coal fines, and blast furnace revert materials, and related methods A method and a solid fuel product, such as briquettes and pellets, comprising carbon fines, in the form of heretofore discardable coke breeze and/or coal fines and/or revert materials, bound together chemically into smaller pieces to substantially prevent... | 02/04/1997 |
| 5487764 | Reclaiming and utilizing discarded and newly formed coke breeze, coal fines, and blast furnace revert materials, and related methods A method and a solid fuel product, such as briquettes and pellets, comprising carbon fines, in the form of heretofore discardable coke breeze and/or coal fines and/or revert materials, bound together chemically into smaller pieces to substantially prevent... | 01/30/1996 |
| 5486216 | Coke having its pore surfaces coated with carbon and method of coating A method of upgrading characteristics of coke by forming a carbon coating on the pores of the coke by hydrocarbon cracking. A coke having its pores coated with a layer of carbon.... | 01/23/1996 |
| 5453103 | Reclaiming and utilizing discarded and newly formed coke breeze, coal fines, and blast furnace revert materials, and related methods A method and a solid fuel product, such as briquettes and pellets, comprising carbon fines, in the form of heretofore discardable coke breeze and/or coal fines and/or revert materials, bound together chemically into smaller pieces to substantially prevent... | 09/26/1995 |
| 5407560 | Process for manufacturing petroleum cokes and cracked oil from heavy petroleum oil A novel process is disclosed by which petroleum cokes and cracked oil can be produced by thermal cracking of a heavy petroleum oil to which a rare earth metal compound is added. The process produces petroleum cokes with an improved combustibility and prom... | 04/18/1995 |
| 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 |
| 5244473 | Process for making moisture resistant briquettes A method is disclosed for bonding particles into briquettes wherein the particles to be briquetted are mixed with a phenolaldehyde resin and polyisocyanate in the presence of a catalyst, and the resulting mixture is briquetted. A phenolic-urethane polymer... | 09/14/1993 |
| 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 |
| 4978477 | Process for treatment of hazardous wastes by reverse burn gasification Process for the treatment of a hazardous material containing a thermochemically destructible component comprising contacting the material with a carbon char, thereafter loading the carbon char into a reaction vessel having two ends, initiating a flame fro... | 12/18/1990 |
| 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 |
| 4849021 | Process for producting coal fillers A process for producing coal fillers, which comprises the steps of: (a) carbonization step, which comprises carbonizing crushed coal particles having a particle size of not more than 10 mm and an ash content of not more than 10% by weight by thermal decomposit... | 07/18/1989 |
| 4822388 | Method of operating mineral wool cupolas and using spent electrolytic aluminum pot lining The operation of mineral wool cupolas is improved in several respects and a waste material is efficiently disposed of by using spent pot lining from electrolytic aluminum reduction vessels in the mineral wool cupolas as a partial or complete replacement f... | 04/18/1989 |
| 4809503 | Solid fuel bar combustion device and a compressor A solid fuel bar preferred to be pressed from cleaned coal powder to a high density is led into a combustion chamber. Air is compressed to high pressure and temperature exceeding the self ignition temperature of the fuel bar and this compressed air is led... | 03/07/1989 |
| 4787914 | Briquet for gas and electric grills A combustible briquet is provided having a clay carrier for the flavor producing carbonaceous and/or fibrous materials which prevents the briquet from flaking or otherwise disintegrating during the combustion process so as to allow for gas and electric gr... | 11/29/1988 |
| 4738684 | Fuel briquette A fuel briquette (10) comprises compacted moistened coal slack or dross particles (11) sealed in a waterproof combustible envelope (12). The particles (11) substantially fill the volume of the envelope.... | 04/19/1988 |
| 4668244 | Method and apparatus for upgrading low rank coal A method and apparatus for upgrading low rank coal, wherein the sealing efficiency between the inside and the outside of a system and between the successive stages of apparatus is improved. Such improvement is provided between a drying apparatus for dryin... | 05/26/1987 |
| 4661119 | Coke briquettes A briquette, preferably intended for use as additional combustible in shaft furnaces for melting of mineral in mineral wool manufacture and comprising 30-75% of a combustible in the form of coal and/or coke, 8-35% of a hydraulic binder like cement and 15-... | 04/28/1987 |
| 4654049 | Synthetic logs for fireplaces or use as general fuel and processes for making them A manufactured fireplace log for fireplaces or as a general utility fuel and methods for making such logs and comprising an inner core comprised of coal, petroleum coke, or other carbonaceous particles (step 92 of FIG. 9) held together by a first binder o... | 03/31/1987 |
| 4605421 | Process for the preparation of a carbonaceous-derived solid fuel product A method for producing carbonaceous-derived solid fuel products comprising subjecting a carbonaceous material to a temperature sufficient to remove a substantial portion of water inherent in said carbonaceous material, pyrolyzing at least a portion of the... | 08/12/1986 |
| 4589887 | Fuel briquettes and method of making Fuel briquettes on the basis of solid organic combustible material, notably biomass material such as straw or other agricultural, horticultural and silvicultural waste or organic household waste, or fine particle industrial waste obtain a satisfactory sto... | 05/20/1986 |
| 4557733 | Formcoke process Green coal is charred in pre- and post- treatment carbonizers, then crushed, mixed with pitch, briquetted, tempered in a tempering oven, recirculated with succeeding green coal to char in a reducing atmosphere through only the latter part of the pre-treat... | 12/10/1985 |
| 4519807 | Carbonaceous solid fuel A molded solid fuel comprises a carbonaceous fuel material, a desulfurizing agent, and K2 CO3 and is effective to emit a reduced amount of sulfur when burned.... | 05/28/1985 |
| 4410472 | Method for making spherical binderless pellets A method for making spherical binderless pellets using a rotating drum mixer whereby at least a portion of the particles comprising the pellets is comprised of coking coal particles.... | 10/18/1983 |
