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| Number | Title | Issue Date |
| 4326854 | Synthetic firelog A synthetic firelog is made by binding cellulosic particles with a combustible binder produced by the interaction of a liquid combustible by-product or waste product and a modifier, the resulting material being such as to be carbonizable on combustion to ... | 04/27/1982 |
| 4324561 | Combustible fuel pellets formed from botanical material A process and apparatus for pelletizing tree bark and other botanical material for use as an industrial fuel. A dryer burning fines from the final product is used to heat bark or other botanical material which is typically a waste product from lumbering o... | 04/13/1982 |
| 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 |
| 4308033 | Fuel pellet and process for making it by shaping under pressure an organic fibrous material An organic fibrous material such as bagasse, tree bark, sawdust, straw, peat moss, tree twigs and the like is mixed with a waxy material which is compatible with natural waxy substances contained by the organic fibrous material. The mixture is shaped into... | 12/29/1981 |
| 4303412 | Method and apparatus for compressively separating waste material An apparatus for processing waste material comprises a piston arrangement acting upon a mass of refuse in a receptacle formed by a cylindrical wall and a counter-piston constituting the bottom. The counter-piston can rise in such a way as to block sludge ... | 12/01/1981 |
| 4272322 | Method for manufacturing charcoals from paper sludge A method of manufacturing charcoal comprising the steps of mixing at least one kind of material selected from the group including coffee pulps, almond husks, orange peelings, walnut shells and bean jam waste etc. with paper sludge, molding the resultant m... | 06/09/1981 |
| 4272252 | Fire lighting device A fire lighting device for safety lighting charcoal, wood and other fires. The device includes a mass of cellulosic fibrous material having a flammable substance such as mineral spirits absorbed therein, and the material is sealed within an envelope. The ... | 06/09/1981 |
| 4243393 | Coal article Coal is restructured by extrusion into a tube like article that has a hollow core, which may contain igniter material to facilitate ignition of the coal. The hollow core and possibly other deformities, such as ribs, flutes or the like in the inner or oute... | 01/06/1981 |
| 4236897 | Fuel pellets A high heating value, fuel pellet comprises from about 50 to about 99% by weight natural cellulosic material and from about 1 to about 50% by weight synthetic polymeric thermoplastic material. The synthetic thermoplastic material is uniformly distributed ... | 12/02/1980 |
| 4230460 | Method for enhancing the utilization of powdered coal This invention proposes the addition of finely divided (powdered) lime, limestone, or dolomite, and flyash or other pozzolonic material, to finely divided coal (such as the product of a coal cleaning plant) to: (a) provide a binder such that the fine coal... | 10/28/1980 |
| 4229183 | Method of refining solid fuel of organic vegetable material A method for refining organic material such as bark, wood shavings, wood chips, other wood waste and peat for use as a solid fuel or for gas generation in which the material after dewatering is disintegrated and dried by the flue gases passing from the he... | 10/21/1980 |
| 4152119 | Briquette comprising caking coal and municipal solid waste Briquettes of specified geometry and composition are produced to serve as feed material or "burden" in a moving-burden gasifier for the production of a synthesis or fuel gas from organic solid waste materials and coal, including especially, the so-called ... | 05/01/1979 |
| 4135888 | Enriched fuel making and sewage treating process Particulate coke and raw sewage are mixed and conveyed as a slurry through series connected, pressure sealed chambers into which super-heated steam is injected to convert the mixture into a molten mass depleted of noxious gases and volatiles. The molten m... | 01/23/1979 |
| 4128946 | Organic waste drying process A process for drying organic waste, such as sewage sludge, by contacting the organic waste with hot vapors wherein the dried material is extruded to form compacted granules having good flow characteristics and suitable for application by commercial fertil... | 12/12/1978 |
| 4127391 | Process for making coke from bituminous fines and fuels produced therefrom A process for agglomerating bituminous fines into a useful low-sulfur particulated fuel by subjecting the bituminous fines to an autoclaving treatment at a controlled elevated temperature and controlled high pressure for a period of time sufficient to con... | 11/28/1978 |
| 4078902 | Coke briquette A coke briquette for use in iron foundries in which coke fines screened from coke being fed to the cupola are recycled into briquette form to be used in place of raw coke in the iron making process. A mix for making the briquettes employs an 80-10-10 perc... | 03/14/1978 |
| 4049391 | Process for refuse disposal and heat recovery therefrom Municipal refuse is treated to produce a particulate mixture consisting essentially of its organic constituents substantially free of inorganic materials, the particles in the mixture being of less than a predetermined maximum particle size, and the mixtu... | 09/20/1977 |
| 4026678 | Process for treating municipal wastes to produce a fuel A method for converting wastes, particularly municipal solid wastes, into usable low cost fuel is provided which yields discrete, substantially self-sustaining fuel pellets which can be easily shipped and stored in bulk and used by utilities or factories ... | 05/31/1977 |
| 4008053 | Process for treating organic wastes A process for treating the organic fraction of solid waste material with acid at an elevated temperature to form an embrittled material reducible to a powdered fuel having a caloric value and weight (on a dry basis) essentially equivalent to the waste mat... | 02/15/1977 |
| 3961913 | Process for treating organic wastes and product thereof A process for treating the organic fraction of solid waste material with acid at an elevated temperature to form an embrittled material reducible to a powdered fuel having a caloric value and weight (on a dry basis) essentially equivalent to the waste mat... | 06/08/1976 |
| 3950143 | Process for producing solid industrial fuel A solid, low-sulfur, industrial fuel having a fuel value similar to bituminous coal, and a continuous process for producing the fuel from woody materials are presented. The process includes the step of initially predrying the materials if they are moist u... | 04/13/1976 |
| 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 |
