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| Number | Title | Issue Date |
| 7034198 | Method for decomposing plastic A conventional method of pyrolytically decomposing plastic to make low-molecular compounds is poor in efficiency of use of energy due to high heating temperatures (at least 600° C. and 800° C. at maximum). The invention provides that a functional powder is ... | 04/25/2006 |
| 5670024 | Thermal treatment process for waste and/or residual materials For thermally treating waste and/or residual materials, in particular fiber glass, glass silk, glass wool and glass mat coated with organic materials, a drum (1) with embedded elements is used to make the materials circulate. In this drum the materials ar... | 09/23/1997 |
| 5525196 | Process for producing formed activated coke An improved process for producing a formed activated coke for simultaneous desulfurization and denitrification, which includes passing a ground coal through a tubular or cylindrical carbonization retort by using a hot gas stream, to subject the coal to pr... | 06/11/1996 |
| 5336443 | Anisotropically electroconductive adhesive composition An improvement is proposed in an anisotropically electroconductive adhesive composition comprising an insulating adhesive resin as a matrix and electroconductive carbon particles dispersed in the matrix used for electrically connecting oppositely facing e... | 08/09/1994 |
| 5095040 | Process for conveying old rubber tires into oil and a useful residue Old rubber tires are physically shredded and a sized fraction of the shreds is fed into a heated rotating stainless steel tube in which the temperature is carefully controlled so that the shreds are converted to a char and a No. 4 oil product both of whic... | 03/10/1992 |
| 4624807 | Process for producing microspherical, oil-containing carbonaceous particles A two-step process for producing microspherical pitch or green coke particles having an average diameter of 30-200 μm from finely divided petroleum or coal pitch having a softening point of 60°-220° C. and a fixed carbon content of 40-75 wt %. In the f... | 11/25/1986 |
| 4452670 | Method and apparatus for recovering preheater coal fines Coal fines developed from the processing of coal through a preheating system are accumulated in a secondary cyclone system. The coal fines, at an elevated temperature, are mixed with a hydrocarbon organic binder and compressed into larger particles of suf... | 06/05/1984 |
| 4436588 | Process for devolatilizing devolatilizable fine-grained material by means of hot, fine-grained heat-carrying material Devolatizable fine-grained material which contains hydrocarbons is devolatilized by means of fine-grained solids which have been heated to temperatures of about 500° to 1000° C. The devolatilizable fine-grained material is mixed with the heated solids a... | 03/13/1984 |
| 4419186 | Process for making strong metallurgical coke The strength and density of a metallurgical coke produced in a slot coke oven are both increased by replacing at least a part of the normal loose charge in the oven with compacted materials and fragments thereof made from a mixture of particularly sized p... | 12/06/1983 |
| 4388152 | Process for producing blast furnace grade coke, a distillable product and fuel gases from a heavy, high sulfur, crude oil A process for producing a distillable hydrocarbonaceous stream, fuel gases and blast furnace grade coke from a heavy, high sulfur, crude oil by producing delayed coke from at least a portion of the crude oil; crushing at least a portion of the coke to pro... | 06/14/1983 |
| 4385962 | Method for the production of coke Production of coke from coal is improved by mixing self-feeding coal with compacted non self-feeding coal prior to carrying out the coking process. Preferably, there is about 10% to about 60% by weight of the non self-feeding coal based on the total charg... | 05/31/1983 |
| 4268358 | Method of reducing the sulfur content of coal reduced to dust A method of reducing the sulfur content of coal, reduced to dust, by means of its own or external thermal energy and by means of rapid coking and/or rapid partial destructive distillation of the coal. The coal dust, which has been ground to less than 0.1 ... | 05/19/1981 |
| 4264414 | Method for reducing coke oven carbonization pressure A method of reducing the carbonization pressure in the coking of coal is provided which comprises randomly dispersing flakes through the coal, said flakes formed of a material that does not pass through a plastic phase such as pressed sawdust wherein the ... | 04/28/1981 |
| 4243510 | Shale retorting process and apparatus Crushed oil shale is segregated into a major portion of relatively large particles and a minor portion of "fines," such as will pass through 1/8-inch screen openings. The large particles are subjected to retorting in an upflowing bed in countercurrent con... | 01/06/1981 |
| 4240877 | Method for preheating coal for coking A method of preheating coal for coking comprises bringing a hot operating gas into direct contact with the coal to preheat the coal. Both the coal and the operating gas are passed into a separator and the separator is operated so as to effect the separati... | 12/23/1980 |
| 4233117 | Manufacture of abrasion-resistant coke Bodies are press-molded from a mixture of particulate fuel and a binder. These bodies are heated to a temperature between about 600°-900° C. in a rotary furnace to degas them. The degassing is carried out without subjecting the bodies to mechanical ... | 11/11/1980 |
| 4225391 | Method of preparing coals for coking A method of preparing coals for coking in a conventional coke oven includes agglomerating the loose coal, in combination with a binder, into flakes, mixing the flakes with non-agglomerated coal, and charging the mixture into the coke oven in the conventio... | 09/30/1980 |
| 4211606 | Method for thermal processing bitumen-containing materials and device for realization of same Bitumen-containing material is processed by distillation with a solid heat-carrier with subsequent gasification of the distillation residue and combustion of the gasification residue in an aerofountain furnace. During gasification, the formed flue gas and... | 07/08/1980 |
| 4197160 | Process by means of which moulded coke can be obtained from non-cokable coals Process for the preparation of a moulded coke according to which agglomerates are heated in a non-oxidizing atmosphere, this process being characterized in that the agglomerates are prepared by compression from a paste containing: from 60 to 85% by weight... | 04/08/1980 |
| 4162960 | Shale retorting process and apparatus Crushed oil shale is segregated into a major portion of relatively large particles and a minor portion of "fines" which will pass through screen openings up to about 1/4 inch in size. The large particles are subjected to retorting as an upflowing moving b... | 07/31/1979 |
| 4147593 | Flash pyrolysis of organic solid waste employing ash recycle Essentially carbon free inorganic particles formed from the decarbonization of a carbon containing solid residue of pyrolysis of comminuted organic solid waste is employed as the prime heat source for the pyrolysis of the comminuted organic solid waste.... | 04/03/1979 |
| 4146434 | Process for the desulfurization of petroleum coke Delayed coke especially manufactured for use in graphite can be effectively desulfurized by calcining in a hydrocarbon fuel-fired calciner in the temperature range of 2700° F. to 2900° F. without adversely affecting the strength of the coke or the coeff... | 03/27/1979 |
| 4145274 | Pyrolysis with staged recovery In a continuous process for recovery of values contained in a solid carbonaceous material, the carbonaceous material is comminuted and then subjected to flash pyrolysis in the presence of a particulate heat source fed over an overflow weir to form a pyrol... | 03/20/1979 |
| 4110169 | Method for manufacturing high-strength formed coke in slight mutual agglomeration using horizontal type coke oven battery A plurality of different types of raw material coal fines are sieved to a size not exceeding 1.5 mm; said sieved raw material coal fines are blended so as to satisfy the following conditions: (a) AP index: 75 at the minimum, (b) Mean maximum reflectance: 1.20%... | 08/29/1978 |
| 4105501 | Method for producing metallurgical coke With the use of low-fluidity blended raw material coal fines having a maximum fluidity of up to 20 d.d.p.m. as an inner core material, and coal fines having a maximum fluidity of at least 30 d.d.p.m. or a bituminous material having a C/H ratio of from 0.7... | 08/08/1978 |
| 4104128 | Apparatus and method for recovery of coal fines The specification discloses apparatus and methods for recovery of coal fines and for recycling thereof incidental to a self-contained system for charging preheated coal into coke ovens. The apparatus enables a system for charging preheated coal into coke ... | 08/01/1978 |
| 4102773 | Pyrolysis with cyclone burner In a continuous process for recovery of values contained in a solid carbonaceous material, the carbonaceous material is comminuted and then subjected to flash pyrolysis in the presence of a particulate heat source over an overflow weir to form a pyrolysis... | 07/25/1978 |
| 4082515 | Coke oven system and agglomerating carryover fines therein A coke oven system is provided having a coke oven preferably with pipeline charging for converting coal into coke. Carryover fines are collected from the coke oven and preferably a preheater therefor, and then agitated by agitator means and the collected ... | 04/04/1978 |
| 4078973 | Loop pyrolysis process for organic solid wastes Particulate organic solid waste is pyrolyzed in the presence of an inert particulate source of heat and a carrier gas in a pyrolysis reactor to form a carbon containing solid residue of pyrolysis, pyrolytic oils and gases. The particulate source of heat a... | 03/14/1978 |
| 4077847 | Solid waste disposal system There is provided a system for segregating through comminution and classification solid waste into ferrous metal, inorganic, and organic fractions. The inorganic fraction is further classified into aluminum and glass fractions. The organic fraction is fur... | 03/07/1978 |
| 4002535 | Preconditioning treatment of coal to minimize agglomeration A method of preconditioning agglomerating coal particles to substantially prevent agglomeration of a fluid-bed reaction zone in a reactor comprising preheating thd coal particles in dense phase flow, rapidly oxidizing the particles in a vertical standpipe... | 01/11/1977 |
| 4002533 | Two-step process for conditioning sized coal and resulting product An improved two-step fluid bed process for conditioning sized, agglomerative, high volatile bituminous coal is disclosed. The agglomerative bituminous coal is first crushed and sized for fluidization. A first treatment is conducted under oxidizing conditi... | 01/11/1977 |
| 3992266 | Recovery of coal fines from preheater Coal particles are heated and further particulized at a preheat stage employing a preheat gas. Some of the finer coal particles are puffed up by the preheating step. Most of the preheated coal particles are separated from the preheat gas, but some of the ... | 11/16/1976 |
| 3945809 | Method and apparatus for removing coarse unentrained char particles from the second stage of a two-stage coal gasifier A method and apparatus for removing oversized, unentrained char particles from a two-stage coal gasification process so as to prevent clogging or plugging of the communicating passage between the two gasification stages. In the first stage of the process,... | 03/23/1976 |
