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| Number | Title | Issue Date |
| 7918973 | Process for distilling solid organic products A process for treating solid organic materials, especially for recycling treated wood, uses energy provided by hot gases at the bottom of a reactor column to perform a distillation operation which ensures splitting of organic bonds in the material and uses, as the d... | 04/05/2011 |
| 7264694 | Retort heating apparatus and methods A retort heating apparatus for processing a feed material includes a heating chamber bounded at least in part by a side wall. A plurality of baffles are at least partially disposed within the heating chamber. Each baffle includes an elongated body having a top surfa... | 09/04/2007 |
| 7176341 | Method and devices for producing naphthalene from coke produced from coke oven crude gas A method and apparatus are disclosed for recovering pure naphthalene from hot crude coke oven gas. The hot crude coke oven gas is directly cooled by means of sprinkling water directly thereon, and the naphthalene is recovered by subsequent filtering out of tar and o... | 02/13/2007 |
| 7108767 | Pyrolysis machine Useful byproducts are recovered through the pyrolytic processing of biomass material such as vegetation, paper, or worn tires. The process is conducted in a sealed enclosure under vacuum or other controlled atmosphere. The biomass material is ablated and burned by c... | 09/19/2006 |
| 7101463 | Condensation and recovery of oil from pyrolysis gas A system and process for the recovery of oil from the pyrolysis of material containing hydrocarbons such as shredded vehicle tires. The system utilizes a pair of sequentially positioned packed towers to recover at least 95% of the oil contained in the pyrolysis gase... | 09/05/2006 |
| 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 |
| 6758945 | Method and apparatus for quenching the coke drum vapor line in a coker A method and apparatus for quenching the coke drum vapor line from a coke drum to the main fractionator in a coker unit whereby the volume of quench liquid prevents the drum vapor line from plugging with carbon-based deposits. A differential pressure control techniq... | 07/06/2004 |
| 6709573 | Process for the recovery of hydrocarbon fractions from hydrocarbonaceous solids Process and apparatus for extraction of oil and hydrocarbons from crushed hydrocarbonaceous solids, such as oil shale, involving the pyrolyzing of the crushed solids with liquid hydrocarbon and syn gas rich in hydrogen and carbon dioxide. Crushed hydrocarbonaceous s... | 03/23/2004 |
| 6589395 | Distillation plant with a column and a heat pump The distillation plant comprises a column (1) and a heat pump (4, 5) which operates between a sump vaporizer (3) and an exhaust vapor compressor (2) of the column. The heat pump is substitutable by devices (6, 7) which can be switched to the sump vaporize... | 07/08/2003 |
| 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 |
| 6005149 | Method and apparatus for processing organic materials to produce chemical gases and carbon char The invention provides a practical and efficient method and apparatus for thermally processing organic based raw materials of either primary or secondary (recycled) origin, in order to extract volatile organic vapors and to selectively produce either cond... | 12/21/1999 |
| 5824194 | Fractionator system for delayed coking process An improved coker fractionator system which permits withdrawing, from selected ports in the fractionator, streams of selected boiling point ranges for recovery of thermal energy and for altering the liquid vapor loading within the column for more efficien... | 10/20/1998 |
| 5464876 | Process for the recovery of valuable materials during the work-up of polyvinyl chloride Heating of polyvinyl chloride, in particular plasticizer-containing polyvinyl chloride, to a temperature of from 250° to 500° C. in the absence of oxygen gives a low-chlorine, carbon-containing residue, plasticizer and hydrogen chloride.... | 11/07/1995 |
| 5451297 | Treatment of automobile shredder residue by vacuum pyrolysis Metals are recovered from automobile shredder residue by subjecting the shredder residue to vacuum pyrolysis to produce non-condensable gases, condensable hydrocarbon vapors and water vapor, and a solid residue containing non-oxidized metals and a carbona... | 09/19/1995 |
| 5366595 | Mobile apparatus for pyrolyzing carbonaceous material and related method A loading mechanism places waste material into a porous rotatable cylinder that is mounted for relative rotation within an air-tight housing. Once loaded, the housing is sealed and oxygen is evacuated. A microwave heating device heats the waste material w... | 11/22/1994 |
| 5342421 | Pyrolytic gas treatment system A pyrolytic converter utilizing a rotatable drum surrounded by an outer drum support structure and disposed in an oven chamber pyrolyzes materials including plastic waste, tires, materials from automobile shredding operations, containers and trays of plas... | 08/30/1994 |
| 5252188 | Process for producing hydroxyacetaldehyde This invention provides a process for producing crystalline hydroxyacetaldehyde precipitated from a complex mixture of products provided by the pyrolysis of a carbohydrate-containing feedstock. The method includes distilling a first condensate under reduc... | 10/12/1993 |
| 4994174 | Process and system for low-temperature carbonization of oil shale, oil sands or similar oil-bearing solids A process and system for low-temperature carbonization of oil shale, oil sands and similar oil-bearing solids includes low-temperature carbonization of oil-bearing solids in a high-pressure fluidized bed reactor in the presence of a substance selected fro... | 02/19/1991 |
| 4851084 | Procedure for operating a pyrolysis process In a pyrolysis plant having a preliminary cooling stage and a final cooling stage, in the event of an operational malfunction of the preliminary cooling stage as indicated by temperature measurement of the pyrolysis gas cooled therein, the pyrolysis gas i... | 07/25/1989 |
| 4790910 | Apparatus for extracting hydrocarbons from tar sands An apparatus and method for extracting hydrocarbons from tar sands. Stationary heater plates have a central opening therethrough through which a horizontal axle extends. Rotors having a central hub and a number of arms are splined on the axle, one closely... | 12/13/1988 |
| 4746406 | Pyrolyzing plastic or rubber wastes Pyrolytic reprocessing of plastic, rubber, or other hydrocarbon materials in which the resultant pyrolysis gas is brought in a cooling stage to a temperature just above the freezing point of water and to a pressure of approximately 0.8 to 1.4 bar of overp... | 05/24/1988 |
| 4740270 | Vacuum pyrolysis of scrap tires A process for the treatment of used rubber tires by vacuum pyrolysis in a reactor to produce liquid and gaseous hydrocarbons and a solid carbonaceous material is disclosed. According to the invention, the pyrolysis of the tires is carried out at a tempera... | 04/26/1988 |
| 4552621 | Apparatus for thermal decomposition of polymeric materials An apparatus comprises a reaction chamber provided with a charging hole, a branch pipe for discharging a suspension, and a branch pipe for withdrawing a vapor-gas phase which branch pipe is communicated with a condenser. The apparatus further includes a h... | 11/12/1985 |
| 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 |
| 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 |
| 4359481 | Liquid smoke concentrate A liquid smoke concentrate having a 3,4-benzpyrene- and 1,2,5,6-dibenzanthracene content of less than 0.2 nanograms, having a tar content (calculated as polycyclic aromatic hydrocarbons) below 1 microgram/kg, and a phenolic compounds content (calculated a... | 11/16/1982 |
| 4351702 | Processing of heavy high-sulfur feedstocks A heavy high-sulfur hydrocarbonaceous feedstock is partially delayed coked and partially formcoked. The coke products are screened, with larger particles being calcined at desulfurizing temperatures and smaller particles being recycled to the formcoker. O... | 09/28/1982 |
| 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 |
| 4309253 | Method and apparatus for tar recovery from raw coking gas To increase the temperature at which a tar separator operates which separates tar from condensate obtained by cooling coking gas produced by coking preheated coal, the condensate is preheated by heat exchange with the coking gas entering a raw gas cooler ... | 01/05/1982 |
| 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 |
| 4288293 | Form coke production with recovery of medium BTU gas In the fluidized carbonization and calcination of coal to form a reactive coal calcinate for admixture with bituminous binder for briquetting, curing, and coking to produce form coke, the improvement of recovering medium BTU gases in the overheads by usin... | 09/08/1981 |
| 4283253 | Method and apparatus for processing filling gas from a coke oven battery An improved coke oven battery and an improved method for production of coke and byproducts are provided. The filling gas escaping during the filling of the oven chambers with coal is initially rendered inert by admixing flue gas. Then the resulting gas mi... | 08/11/1981 |
| 4265711 | Method of enhancing distillate yield in a hydrocarbonaceous material thermocracking process A method for destructive distillation of hydrocarbonaceous distilland is disclosed wherein a dienophile is introduced into the vaporous phase to reduce the production of non-distillable polymeric product. Specifically dienophiles available economically in... | 05/05/1981 |
| 4260473 | Removal of particulates from pyrolytic oil A process for producing organic liquid product from solid organic waste. The process comprises pyrolyzing the solid organic waste to produce pyrolysis vapors and solid pyrolysis residue. The solid residue is separated from the pyrolysis vapors leaving ent... | 04/07/1981 |
| 4239511 | Process and apparatus for cooling coke oven gas A two-stage process, and the apparatus for practicing the process, for cooling process gas are disclosed. The process gas is firstly air-cooled by convection to a temperature above the dew point of naphthalene and finally cooled to the desired discharge t... | 12/16/1980 |
| 4234389 | Cooling naphthalene-bearing waters and gas streams A method for cooling naphthalene containing gas streams using recirculated cooling water comprising physically separating suspended naphthalenic solids from the used cooling water, injecting a water immiscible solvent for naphthalene into the clarified co... | 11/18/1980 |
| 4188195 | Treatment of waste liquor A waste liquor treatment system comprising an evaporator in combination with a gas cooler, the evaporator providing fractional distillation of waste liquor, thereby separating the liquor into its several components of gaseous vapors, purified water and co... | 02/12/1980 |
| 4150548 | Pollutant removal from pyrolytic gases by centrifuge and molecular sieves Gaseous products produced by pyrolytic conversion of materials are treated in a series of stages in a closed system by progressively subjecting the gaseous products to decreasing temperatures ranging from near ambient to cryogenic. Removal and storage of ... | 04/24/1979 |
| 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 |
| 4141794 | Grid-wall pyrolysis reactor A carbonaceous material is pyrolyzed by introducing the carbonaceous material to a fast fluidized bed contained by a perforated wall and introducing a particulate source of heat through the perforations of the wall at an angle inclined to the path of trav... | 02/27/1979 |
