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| Number | Title | Issue Date |
| 7988830 | Waste processing process using acid Waste processing system, for performing a waste processing process, the system including a shredder, a grinder and a steam explosion device such as a cooking extruder. The waste processing system is used to process raw waste, such as consumer waste, into an end prod... | 08/02/2011 |
| 7262130 | Methods for making integrated-circuit wiring from copper, silver, gold, and other metals Integrated circuits, the key components in thousands of electronic and computer products, include interconnected networks of electrical components. The components are typically wired, or interconnected, together with aluminum wires. In recent years, researchers have... | 08/28/2007 |
| 7147681 | Method and device for removing recoverable waste products and non-recoverable waste products Method and apparatus used in the field of waste management for utilizing recoverable waste products as efficiently as possible. The invention reduces the environmental impact of such a method to a minimum. The recoverable waste products and non-recoverable waste pro... | 12/12/2006 |
| 6972085 | Continuous coking refinery methods and apparatus A system for refining hydrocarbon containing materials in a continuous coking mode may provide a pyrolyzer (1) which may be inclined to effect a liquid seal between a liquid conduction environment (6) and a gaseous conduction environment (7). A ... | 12/06/2005 |
| 6918999 | Device and method for sealing levelling door aperture of a coke oven chamber The invention relates to a device for sealing a leveling door aperture of a coke oven chamber when loading bulk coking coal. The device includes a housing and a leveling door aperture, a leveling arm, composed of at least side panels and cross spacers connecting the... | 07/19/2005 |
| 6746497 | Waste incineration disposal method A waste is dry-distilled in a gasification furnace and generated combustible gas is combusted in a combustion furnace. A temperature in the combustion furnace is set to be substantially constant at a first preset temperature or more. When the temperature in the comb... | 06/08/2004 |
| 6168688 | Method and plant for treating solid waste products by thermolysis A method and apparatus is provided for the thermolysis of solid waste within an enclosed thermolysis chamber in the absence of free oxygen which produces a thermolysis off-gas. The thermolysis off-gas is removed from the thermolysis chamber and injected i... | 01/02/2001 |
| 5928476 | Nonrecovery coke oven door A coke oven door for closing the open end of an elongated coking chamber of a nonrecovery coke oven, including process air vents extending through the door at a level above a coal charge to be coked, has a structural frame on its outer surface including a... | 07/27/1999 |
| 5846385 | Process and apparatus for energy recovering through waste classification and calcination The invention provide a process for energy recovering through waste classification and calcination and an apparatus therefor, comprises crushing and sorting various types of wastes and by means of a series of classification, calcination and recovering tre... | 12/08/1998 |
| 5843303 | Direct fired convection heating in residuum oil solvent extraction process A residuum oil solvent extraction process is improved by using direct fired convection heaters for heating the asphaltene, the solvent-deasphalted oil phase, the deasphalted oil and the stripping steam, instead of hot oil heat exchangers. The convection h... | 12/01/1998 |
| 5789636 | Process for recovering synthetic raw materials and fuel components from used or waste plastics The invention concerns a process for recovering synthetic raw materials and fluid fuel components from used or waste plastics in accordance with patent application P 43 11 034,7. At least a partial flow of the depolymer produced according to this process ... | 08/04/1998 |
| 5783046 | Process and apparatus for the destructive distillation of rubber An improved process and apparatus for the destructive distillation or pyrolysis of rubber, such as used rubber tires, to produce liquid and gaseous hydrocarbons and a solid carbonaceous char. A heat transfer gas circulating in a circulation loop is used t... | 07/21/1998 |
| 5639353 | Apparatus for carbonizing material An apparatus for the carbonization of materials, such as coal, comprising an elongated coking retort defined by an annulus which constitutes the coking chamber within which the coal is carbonized indirectly by conduction. In order to provide an efficient ... | 06/17/1997 |
| 5607556 | Method for coking coal This invention discloses a new method for the production of coke from coals. In the present invention, coke is continuously produced by heating a moving charge of coal inside the annular space between two tubes. The coking chamber, which includes a large ... | 03/04/1997 |
| 5449439 | Superheated low-pollution combustion of the gaseous products of pyrolysis, particularly in multiple small bulbous burner cups Combustible off-gas(es) produced by the process of pyrolysis are superheated; and a pressurized gaseous mixture including oxygen, normally compressed air, is preheated; before, and by, a burning of the combustible off-gas(es) produced by process of pyroly... | 09/12/1995 |
| 5318671 | Method of operation of nonrecovery coke oven battery A method of controlling operation of a nonrecovery coke oven battery including a plurality of elongated coke ovens constructed in side-by-side relation with each oven having a separate system of sole flues beneath each end connected to the crown of the ov... | 06/07/1994 |
| 5302254 | Process and plant for the thermolysis of industrial and/or urban waste A plant for treating industrial and/or urban waste includes a stage for drying of the waste, followed by a stage for effecting thermolysis of the dried waste and a stage for effecting recovery of the solids and gases resulting from the thermolysis. Thermo... | 04/12/1994 |
| 5279712 | Process and apparatus for the pyrolysis of carbonaceous material A process for the pyrolysis of carbonation materials such as wood which comprises directly or indirectly heating the carbonaceous material with flue gases. When carbonization commences the direct heating is stopped while indirect heating continues until c... | 01/18/1994 |
| 5114542 | Nonrecovery coke oven battery and method of operation A sole flue nonrecovery coking oven battery includes a plurality of elongated coking ovens constructed in side-by-side relation with common sidewalls downcomers connecting the ovens through the sidewalls to the sole flues, uptakes connecting the sole flue... | 05/19/1992 |
| 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 |
| 5085738 | Method and apparatus for thermal conversion of organic matter An apparatus for the thermal conversion and recovery of organic waste materials includes an oxygen-free chamber filled with molten lead and a method of use of the apparatus. The chamber is elongate and inclined so that organic material introduced in a low... | 02/04/1992 |
| 5008005 | Integrated coke, asphalt and jet fuel production process and apparatus A process and apparatus for the production of coke, asphalt and jet fuel m a feed of fossil fuels containing volatile carbon compounds therein is disclosed. The process includes the steps of pyrolyzing the feed in an entrained bed pyrolyzing means, separ... | 04/16/1991 |
| 4744969 | Process for the conversion of coal and gypsum to valuable products The present invention relates to the coproduction of a combustible feed gas stream useable as an energy source and a sulfur-containing second gas stream useable as a feedstock for the production of sulfuric acid. The process includes heating coal in the p... | 05/17/1988 |
| 4683030 | Method for carbonizing cold-compacted briquettes Briquettes made from bituminous or sub-bituminous coal or peat are produced by grinding the coal, mixing it with a binder and compacting the mixture. They are then carbonized in a continuous process in a shaft oven. The coal may be predried and the finish... | 07/28/1987 |
| 4650546 | Method for the treatment of moist products Slugs (4) of products dehydrated by compression are thrust into the tube (11) up to the hearth (15). The hot gases from the hearth passing round the tube (11) heat it up in order to release the gases and carbonize the solids which burn in the form of coke... | 03/17/1987 |
| 4523927 | Method of coal upgrading This invention relates to a method of converting a low-rank coal to produce a high-rank coal which has reduced hygroscopicity as well as increased heating value and lowered moisture content during and after transport or storage. The invention comprises th... | 06/18/1985 |
| 4476789 | Method of and apparatus for the production of charcoal The present invention provides a charcoal producing apparatus comprising a combustion chamber, a heating chamber, first passage means interconnecting the combustion chamber and a discharge flue and second passage means interconnecting the heating chamber ... | 10/16/1984 |
| 4473622 | Rapid starting methanol reactor system The invention relates to a methanol-to-hydrogen cracking reactor for use with a fuel cell vehicular power plant. The system is particularly designed for rapid start-up of the catalytic methanol cracking reactor after an extended shut-down period, i.e., af... | 09/25/1984 |
| 4419185 | Pyrolysis system with hot gas recirculation A process and system for continuously pyrolyzing organic feedstock produces a solid carbonaceous residue of controlled volatility, in a manner that is highly energy efficient. The value of the gaseous product and of the pyrolytic oil produced are also opt... | 12/06/1983 |
| 4396487 | Process for retorting oil shale and the like The production of oil by retorting shale and other hydrocarbonaceous and lignocellulosic solid materials is facilitated by retorting in the presence of steam and acetic acid.... | 08/02/1983 |
| 4347119 | Horizontal oil shale and tar sands retort A horizontal retorting apparatus and method designed to pyrolyze tar sands and oil shale, which are often found together in naturally occurring deposits. The retort is based on a horizontal retorting tube defining a horizontal retort zone having an upstre... | 08/31/1982 |
| 4344820 | Method of operation of high-speed coke oven battery A plurality of sole flue-heated, non-recovery coke ovens constructed in side-by-side relation in a battery have their chimney uptake outlets connected to a common combustion tunnel extending longitudinally of and above the battery and connected to stacks ... | 08/17/1982 |
| 4317800 | Process for simultaneously processing of used metal and/or metal _scrap and scrap containing halogenated hydrocarbons A process for reducing environmental pollution resulting from disposal of waste containing halogenated hydrocarbons by simultaneous treatment with used metal and/or metal scrap at elevated temperatures. The halogenated hydrocarbons are pyrolyzed and the r... | 03/02/1982 |
| 4305788 | Process for the production of molded metallurgical coke from coal briquettes The process for the production of molded metallurgical coke from dried coal or fine coal mixtures with a low swelling index particularly highly volatile fine coal comprises mixing normal washed fine coal or fine coal mixtures of a grain size of from 0 to ... | 12/15/1981 |
| 4276120 | Purification of coke A process and apparatus are disclosed for purification of petroleum coke to produce an economical low sulfur product suitable for electrode production. Finely ground green coke is treated on an enclosed circular grate apparatus and subjected to sequential... | 06/30/1981 |
| 4235676 | Apparatus for obtaining hydrocarbons from rubber tires and from industrial and residential waste An elongated tube is maintained at a temperature of about 1100° F. throughout its length. Organic waste material such as shredded rubber automobile tires or industrial plastic waste or residential trash which preferably has metal and inorganic matter rem... | 11/25/1980 |
| 4203804 | Apparatus for the pyrolysis of pieces of rubber or like material, especially used motor vehicle tires A fluidized bed reactor for the pyrolysis of pieces of rubber or the like, especially old tires the reactor comprising a container at the lower part of which there is discharge device for non-volatile pyrolysis products; gas blowing nozzles arranged in a ... | 05/20/1980 |
| 4176010 | Method of producing petroleum coke calcinate Green petroleum coke is indirectly dried, then calcined in a cylindric rotary kiln and indirectly cooled utilizing a one-way gas flow in the system. Most of the dust in the vapor from the drying step is directly burned in a steam boiler whose off-gases ar... | 11/27/1979 |
| 4169767 | Process for calcining coke A process for calcining green coke containing water and combustible volatile matter and obtained by a delayed coking process in three or more stages of heating furnaces which are connected in series, and the control of the temperature and the adjustment o... | 10/02/1979 |
| 4124450 | Method for producing coke An increased coking rate of a coal charge in a non-recovery coke oven is achieved without polluting emissions by decreasing the supply of primary air fed into the coke oven chamber throughout the coking period while controlling the amount of heated second... | 11/07/1978 |
