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| Number | Title | Issue Date |
| 7321004 | Method for photo-curing polymerizable compositions A method for curing polymerizable compositions by irradiating the compositions with light that is emitted from an LED. The method of the present invention is especially preferred for curing dental compositions. ... | 01/22/2008 |
| 7153419 | Liquid treating device A liquid treating device without any restrictions for a sludge discharge device set above a liquid tank is provided. A cyclone separator adapted to swirl liquid to subject sludge to centrifugal separation from the liquid and precipitate the sludge is connected to th... | 12/26/2006 |
| 7060242 | Method for treating waste materials containing halogen In a method for the treatment of halogen containing waste materials wherein valuable materials and/or energy can be recuperated without the generation of additional halogenated waste materials, the halogen containing waste materials are mixed with a molten substitut... | 06/13/2006 |
| 7004999 | Apparatus for separating fouling contaminants from non-condensable gases at the end of a pyrolysis/thermolysis of biomass process A method of continuously capturing BioOil and its constituents from a gas stream produced in a fast pyrolysis/thermolysis process, in a usable liquid form so as to produce a non-condensable gas free of fouling contaminates. The method includes separating BioOil and ... | 02/28/2006 |
| 6881303 | Method and system for pyrolyzing plastic and pyrolysate product A plastic as a material to be treated and an additive such as unsaturated fatty acid oil are mixed, and the mixture is heated in a pyrolysis tank at a temperature of 300° C. to 450° C. by a heating member to thereby thermally decompose the mixture. A gas component... | 04/19/2005 |
| 6875316 | High reactivity and high strength coke for blast furnace and method for producing the same Related to a blast furnace coke and a production method thereof. A coke having high reactivity and high strength in which coke strength, reactivity with CO2 and a pore size distribution are each at a desired level can be produced at a low cost by using a ... | 04/05/2005 |
| 6875317 | Waste treating method Wastes mainly containing any one or two or more of raw garbage, waste lumber, paper diapers, waste plastics, and organic sludge discharged from the food industry, common houses, etc. are exposed to high-temperature steam of 510 to 900° C. in an oxygen-free state, p... | 04/05/2005 |
| 6344361 | Method of detecting the presence of impurities, unit and method for vaporizing liquid, and double air-distillation column A film-type vaporizer in a vaporization enclosure, for example the upper column of a double air-distillation column, is associated with a measurement and analysis box where a polished surface and a spillway reconstruct the flow of liquid in the vaporizer ... | 02/05/2002 |
| 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 |
| 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 |
| 5667669 | Methods for inhibiting foam Methods for inhibiting the carryover of foam in a delayed coker unit processing hydrocarbon liquids are disclosed. A non-silicone defoamer compound is added to the hydrocarbon until the foam height surpasses a predetermined value. A silicone defoamer comp... | 09/16/1997 |
| 5632863 | Battery pyrolysis process Used batteries and other material for reclamation and recovery or environmentally safe disposal are transferred from a feed bin by an auger into a crusher and then into a pyrolysis chamber. The feed system excludes air or oxygen from passing through the a... | 05/27/1997 |
| 5597451 | Apparatus for thermally decomposing plastics and process for converting plastics into oil by thermal decomposition A thermal decomposition apparatus for plastics wherein plastics are melted and thermally decomposed, and the resulting decomposition gas is cooled for condensation and recovered in the form of a thermal decomposition oil. The apparatus comprises a thermal... | 01/28/1997 |
| 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 |
| 4701838 | Characterizing and handling multi-component substances A method of handling, as bulk material, a substance which is one member of a class of multi-component substances includes subjecting successive test samples of the substance to a series of measurements which provide multiple data points which are influenc... | 10/20/1987 |
| 4632731 | Carbonization and dewatering process An energy efficient process for beneficiating and dewatering high water content carbonaceous materials utilizing a pneumatic stream to entrain, transport, dewater and to carbonize organic carbonaceous material in a fluidized bed. The process utilizes phys... | 12/30/1986 |
| 4510021 | Fluidized bed charcoal particle production system A fluidized bed charcoal particle production system, including apparatus and method, wherein pieces of combustible waste, such as sawdust, fragments of wood, etc., are continuously disposed within a fluidized bed of a pyrolytic vessel. Preferably, the flu... | 04/09/1985 |
| 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 |
| 4364796 | Method and system for disposing pyrolysis gas A method and a system for disposing of the pyrolysis gas generated in a pyrolyzing system to refine the same are presented in which an absorbing agent for eliminating harmful gas is introduced into a thermal reactor in such an amount that a large percent ... | 12/21/1982 |
| 4358344 | Process for the production and recovery of fuel values from coal A method of pyrolyzing and desulfurizing coal in a transport reactor to recover volatile fuel values and hydrogen by heating particulate coal entrained in a carrier gas substantially free of oxygen to a pyrolysis temperature in a zone within three seconds... | 11/09/1982 |
| 4317703 | Pyrolysis process utilizing pyrolytic oil recycle A pyrolysis process and system produces a solid residue and a clean, enriched fuel gas. In the process, the pyrolytic oil and filter cake are recycled in such a manner as to produce products of optimal value, and to minimize the need for servicing and dow... | 03/02/1982 |
| 4309197 | Method for processing pulverized solid fuel There is provided a method for processing a pulverized solid fuel by heat, which comprises the steps of drying said fuel and subjecting the latter to two-stage pyrolysis with the resulting formation of vapor, gaseous products and small coke. According to ... | 01/05/1982 |
| 4274863 | Method of treating pollutant-laden gases, especially from a steel-making or coking plant Pollutant-containing gases which are generated in a steel-making and/or coking plant are mixed with fresh air in at least one stream and passed through an incandescent bed of minerals, e.g. the sintering cake of an ore-sintering furnace. The resulting gas... | 06/23/1981 |
| 4265709 | Method and apparatus for separating gases and solids during the carbonization of coal A device for separating gases and solids, particularly coal dust, during the carbonization of coal, particularly predried and preheated fine coal in coke ovens arranged in a battery which includes a standpipe extending upwardly from the top of the battery... | 05/05/1981 |
| 4263124 | Process for minimizing solids contamination of liquids from coal pyrolysis In a continuous process for recovery of liquid hydrocarbons from a solid carbonaceous material by pyrolysis of the carbonaceous material in the presence of a particulate source of heat, particulate contamination of the liquid hydrocarbons is minimized. Th... | 04/21/1981 |
| 4244706 | Process for gasifying carbonaceous material from a recycled condensate slurry Coal or other carbonaceous material is gasified by reaction with steam and oxygen in a manner to minimize the problems of effluent water stream disposal. The condensate water from the product gas is recycled to slurry the coal feed and the amount of addit... | 01/13/1981 |
| 4206186 | Refuse pyrolysis Organic refuse is pyrolyzed to form disposable solids and gas. The gas is washed at a temperature well above 100° C. with wash oil, which is recirculated. Spent wash oil is pyrolyzed with contaminants and further organic refuse. The washed gas is filtere... | 06/03/1980 |
| 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 |
| 4142941 | Method for producing blast furnace coke A method of producing blast furnace coke from bituminous coals, particularly coals having poor coking capacities in which the coal to be carbonized is ground, predried or preheated, mixed with binders, compressed or formed into briquets having small mecha... | 03/06/1979 |
| 4140583 | Processing of lignite for petrochemicals Process and apparatus for producing ethylene from lignite and subbituminous coal by chemical condition and temperature control using cellulosic material within the treated mass or added thereto whereby ethylene gas is evolved from such carbonacous feed an... | 02/20/1979 |
| 4123331 | Method of keeping the circulating sprinkling water for the uptakes of coke ovens clean Method of keeping sprinkling water used for sprinkling in the uptakes of coke ovens in a clean condition, comprises directing the sprinkling water condensate which is collected after circulation in the uptakes, and which includes tar, tar oils, hydrocarbo... | 10/31/1978 |
| 4110168 | Process for the separation of tarry dusts from coke oven gas A process for the facile isolation of distillation by-products of coking operations, which include dusts and tars, comprising cooling said distillation by-products with ammoniacal waters and adjusting the dust:tar ratio between 1.3 and 1.6, thereby allowi... | 08/29/1978 |
| 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 |
| 4102749 | Process for making oil from aqueous reactive sludges and slurries A process for making low sulfur oil by reacting aqueous reactive sludges and slurries with hot, pressurized carbon monoxide and hydrogen (synthesis gas) wherein the wastes are first concentrated by coking in the liquid phase under a pressure of 300 to 300... | 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 |
| 4069133 | Apparatus and process for reducing particulates in a vaporous stream containing condensable hydrocarbons Disclosed is a process and apparatus for reducing the particulate content in a gaseous stream containing entrained particulate matter and condensable hydrocarbons wherein said stream is obtained from the retorting of hydrocarbon-containing solids, particu... | 01/17/1978 |
| 4067700 | Method for gasifying coal Apparatus and a method of comminuting coal to about 1 to 10 microns size comprising introducing the coal particles into a plurality of vessels, each of which is subjected to high pressure, superheated steam which infuses into the pores of said particles e... | 01/10/1978 |
| 4058205 | Apparatus for treating oil shale A process and apparatus for decomposing kerogen and recovering oil, high BTU gas and energy for the process wherein a crushed oil shale is fed to a rotary preheater (300° to 350° F.) hence into a rotary retort (850°-1050° F.) where the kerogen is deco... | 11/15/1977 |
| 4030981 | Process for making oil from aqueous reactive sludges and slurries Process for making low sulfur oil by reacting aqueous reactive sludges and slurries with hot, pressurized carbon monoxide and hydrogen (synthesis gas) wherein the wastes are first concentrated by coking in the liquid phase under a pressure of 300 to 3000 ... | 06/21/1977 |
