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| Number | Title | Issue Date |
| 7718038 | Retort heating method A retort heating method for processing a feed material includes a heating chamber bound at least in part by said wall. A plurality of baffles are at least partially disposed with the heating chamber. Each baffle includes an elongated body having a top surface, at le... | 05/18/2010 |
| 7249085 | Method and system for conducting electronic auctions with multi-parameter price equalization bidding A method and system for conducting electronic online auctions using multi-parameter price equalization bidding is disclosed. Bids defined in a context of a bidder are transformed into a comparative bid parameter that enables a common basis of comparison for the subm... | 07/24/2007 |
| 7045038 | Process for treating waste oil There is disclosed a burnable used oil fuel product by the process comprising: (a) obtaining a used oil sample having at least 1% (by weight) aqueous substances; (b) heating the used oil sample to a temperature of ... | 05/16/2006 |
| 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 |
| 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 |
| 6830660 | Method for producing metallurgical coke In a method of producing coke for metallurgy by carbonizing a coal blend obtained by blending plural raw coals in an coke oven, a coal blend containing not less than 60 wt % of a medium coking coal of middle coalification degree and low fluidity having an inert comp... | 12/14/2004 |
| 6736940 | Process for pyrolyzing tire shreds and tire pyrolysis systems Tire pyrolysis systems and processes are provided which include feeding tire shreds to a pyrolysis reactor, pyrolyzing the shreds in a pyrolysis reactor to produce a hydrocarbon-containing gas stream and carbon-containing solid, removing the carbon-containing solid ... | 05/18/2004 |
| 6365038 | Method of producing combustible products from heavy fuel residue Asphaltene and oil shale are pyrolyzed at substantially atmospheric pressure for producing combustible products and carbonaceous material. A combustor combusts the carbonaceous material and produces flue gases which are supplied to a utilization device, a... | 04/02/2002 |
| 5961786 | Apparatus for a circulating bed transport fast pyrolysis reactor system This invention generally relates to a new method and apparatus for the fast pyrolysis of carbonaceous materials involving rapid mixing, high heat transfer rates, precisely controlled short uniform residence times and rapid primary product quench in an upf... | 10/05/1999 |
| 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 |
| 5792340 | Method and apparatus for a circulating bed transport fast pyrolysis reactor system This invention generally relates to a new method and apparatus for the fast pyrolysis of carbonaceous materials involving rapid mixing, high heat transfer rates, precisely controlled short uniform residence times and rapid primary product quench in an upf... | 08/11/1998 |
| 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 |
| 5780696 | Process for recycling plastic waste The invention relates to a process for recycling waste which consists essentially of one or more plastics comprising polyvinyl chloride (PVC), in which: the waste is mixed with a heavy oil, in a reactor under an inert atmosphere, at an internal temperatur... | 07/14/1998 |
| 5460699 | Variable injection process and apparatus for energy recovery A process and apparatus for recovering energy values of waste tar sludge comprises dewatering the waste tar sludge, transporting the dewatered tar sludge in enclosed containers vented through activated carbon to remove volatile hydrocarbons before vapors ... | 10/24/1995 |
| 5426259 | Method for oil-extracting treatment of wastes In a method for oil-extracting treatment of wastes for extracting oil by heating wastes contained in a waste containing chamber in a manner to be shut off from air, an inert gas is injected into the waste containing chamber after termination of thermal de... | 06/20/1995 |
| 5423950 | Method and reactor for producing tire oil The reactor forms a chamber which contains the reaction process. There are accesses to the chamber for receiving shredded tires and oil. There are egresses from the chamber for discharging the tire oil and for discharging unreacted elements. Apparatus is ... | 06/13/1995 |
| 5378323 | Thermolysis of pentachlorophenol treated poles This invention comprises a method and apparatus for removing oil and tar based wood preservatives from sawdust. A pole treated with oil or tar basee wood preservative is shaved to remove the treated outer wood layer, leaving the interior preservative free... | 01/03/1995 |
| 5340464 | Method and apparatus for disposal of filter media A process for disposing of filter media is provided, which process comprises (a) mixing a filter media with a hydrocarbonaceous mixing stream to form a media-hydrocarbon mixture and (b) feeding said media-hydrocarbon mixture to a coking vessel. Preferred ... | 08/23/1994 |
| 5215651 | Process for producing coke A process for producing coke, which comprises uniformly dispersing and mixing a carbonized product having an average aspect ratio of at least 1.5 to a starting material oil and then coking the mixture.... | 06/01/1993 |
| 5071515 | Method for improving the density and crush resistance of coke The density and crush resistance of calcined coke are improved by depositing coker feedstock on green (uncalcined) coke, thereafter subjecting the coke to a heat soak and then calcining the coke.... | 12/10/1991 |
| 4957596 | Process for producing coke In a process for producing a coke by carbonization of a starting coal, the improvement wherein a coal containing a bulk density improving agent composed of a high-molecular organic compound capable of forming a hydrous gel in the presence of moisture is u... | 09/18/1990 |
| 4842692 | Chemical reformer A method and system of continually reforming sewage and other organic materials into liquid oils and gases by pyrolysis using the containing and entrained water in the inorganic and organic constituents of the sewage.... | 06/27/1989 |
| 4797198 | Process for the working up of salvage oil A process is disclosed for the working up of salvage oil, in which the salvage oil is subjected to an extraction under supercritical conditions. The halogen compounds contained in the produced extract are removed by catalytic hydrogenation. The extraction... | 01/10/1989 |
| 4533463 | Continuous coking of residual oil and production of gaseous fuel and smokeless solid fuels from coal Coal and residual oil are simultaneously processed in a reactor with a combustion zone at the bottom and a fluidized bed on top of it. The residual oil is injected into heat exchange relationship with the top of the fluidized bed where it is cracked with ... | 08/06/1985 |
| 4512873 | Process for low temperature carbonization of hydrogenation residues The residues obtained in the hydrogenation of oil, especially heavy oil, or of coal are subjected to low temperature carbonization in a drum, preferably a rotary drum, at temperatures between approximately 400° C. and approximately 600° C., by means of ... | 04/23/1985 |
| 4511459 | Simultaneous coking of residual oil and partial gasification and desulfurization of coal Coking of residual oil and devolatization/partial gasification and desulfurization of solid particulate fuel are carried out in a single reactor. The particulate fuel is burned in a combustion zone in the bottom of the reactor. A bed of particulate fuel i... | 04/16/1985 |
| 4481100 | Surge bin retorting solid feed material An improved surge bin for a Lurgi-Ruhrgas process has baffles which promote uniform flow of feed material through the surge bin. Improved retorting of kerogen from oil shale is obtained. Stripping gas such as steam, is supplied to the surge bin. A separat... | 11/06/1984 |
| 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 |
| 4421604 | Procedure to control quality of coal The quality of coke is improved by measuring the width of a plastic zone of a given type of coal, comparing said measured zone with a predetermined zone width known to result in good quality coke, adjusting certain characteristics of said given coal prior... | 12/20/1983 |
| 4396396 | Deashing of coal by the oil agglomeration process A method of deashing coal wherein the coal is wetted with hydrocarbon liquid to form agglomerates and the hydrophilic agglomerates are then separated from a water and ash phase to yield deashed coal agglomerates. The hydrocarbon liquid is then recovered f... | 08/02/1983 |
| 4390409 | Co-processing of residual oil and coal Coal and metals-containing residual oil are coprocessed under conditions whereby the coal is volatilized and solubilized, the residual oil is demetallized and substantially no coking of the residual oil occurs. The products obtained include metals-free di... | 06/28/1983 |
| 4358290 | Burning properties of fluid coke An improved solid fuel obtained by blending fluid coke with 2 to 20 wt. % of a heavy petroleum liquid.... | 11/09/1982 |
| 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 |
| 4344769 | Process and installation for treating coking coal In the pre-heating of coal the coal is entrained and/or fluidized in a heat exchange chamber by a heat-transfer gas which pneumatically conveys the coal from the chamber through a duct to a separator in which the coal is separated from gas. A hydrocarbon ... | 08/17/1982 |
| 4318779 | Method of manufacture of blast furnace cokes containing substantial amounts of low grade coals Blast furnace coke containing low grade coal in a high blending ratio is manufactured by a method which comprises blending not less than 60% of a blended coal having an adjusted total moisture content of not more than 4% with not more than 40% of briquett... | 03/09/1982 |
| 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 |
| 4304636 | Method for improving the bulk density and throughput characteristics of coking coal The bulk density and throughput characteristics of coking coal are improved by treating the coal with a surfactant and a combination of fuel oil and alcohol or of solid lubricant and water, the surfactant being soluble in, and increasing the spreading coe... | 12/08/1981 |
| 4292165 | Processing high sulfur coal Coal is fed to a liquefaction process, and a resulting slurry of ash, unconverted coal, and liquids is fed to a delayed coker. Distillates are hydrotreated and stored or recycled, and the coke is calcined at high temperature to reduce the sulfur content.... | 09/29/1981 |
| 4272324 | Process for producing shaft furnace cokes An impregnated carbonaceous material which can be mixed with basic coal to form a mixture which, once roasted, forms an effective shaft furnace coke. The impregnated carbonaceous material is formed by finely crushing an inert carbonaceous material such as... | 06/09/1981 |
| 4270980 | Method for recovering and utilizing heat of coke-oven gas A method for recovering and utilizing heat of coke-oven gas, which comprises: through heat exchange with a high-temperature coke-oven gas generated from a coke oven battery and containing vaporized coal tar, vaporized low boiling point substances and dust... | 06/02/1981 |
