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| Number | Title | Issue Date |
| 7871499 | Retort oven with adjustable floor A retort oven for decomposition of waste materials through pyrolysis employing a deck with a variable angle of inclination for adjusting the retention time and processing rate of waste material flowing unassisted through the oven interior. The oven includes an outer... | 01/18/2011 |
| 7416641 | Apparatus for recovering marketable products from scrap rubber Tire pyrolysis systems and processes are provided which include feeding tire shreds to a pyrolysis vessel (40) and pyrolyzing the shreds in a pyrolysis vessel (40) to produce a pyrolysis gas and carbon black mixture. The pyrolysis gas processed by cent... | 08/26/2008 |
| 7367225 | Apparatus for measuring mecury contained in gaseous medium To provide a highly reliable apparatus for measuring mercury contained in the gaseous medium, in which the outlet port 3b of the reducing tube and the gas-liquid separator, both susceptible to deposition of stain, can be automatically cleaned to avoid ... | 05/06/2008 |
| 7353621 | Cleaning apparatus for vertical separator A cleaning apparatus for a material dryer may include an air source, a pulse nozzle selectively in fluid communication with the air source and located within a section of the solids outlet assembly, and a controller for controlling an air flow from the air source pe... | 04/08/2008 |
| 7309383 | Process for removing solid particles from a gas-solids flow Catalyst losses are prevented in riser reactor systems by using a low inlet velocity for the first cyclone separator in each multi-stage cyclone separator in the reactor. Catalyst particles not separated from the product output flow in an oxygenate-to-olefin reactor... | 12/18/2007 |
| 7275453 | Analyzing apparatus and fine particle collecting apparatus A simple and convenient analyzing apparatus is provided which easily, conveniently, and efficiently collects a material in the state of fine particles adhered to a target object, extracts the object to be analyzed, and analyzes the extracted object. An apparatus for... | 10/02/2007 |
| 7222519 | Soil moisture content measurement system and method The invention provides a soil moisture content measurement system comprising a porous plate arranged to support a soil sample; a hanging water tube extending downwardly from the porous plate, the tube arranged to convey liquid toward and away from the porous plate; ... | 05/29/2007 |
| 7125471 | Papermaking process using enzyme-treated sludge, and products Enzyme-treated papermaking sludges are provided, as are methods of making the enzyme-treated sludge. Papermaking processes that incorporate the enzyme-treated papermaking sludges into papermaking pulp are also provided as are paper and paperboard products made from ... | 10/24/2006 |
| 7050944 | FCC catalyst injection system having local data access A system and method for injecting catalyst into a fluid catalyst cracking (FCC) unit is provided. In one embodiment, a system for injecting catalyst into a FCC unit includes a catalyst injection apparatus coupled to a controller. The controller is housed in an enclo... | 05/23/2006 |
| 6944967 | Air dryer system and method employing a jet engine An air dryer and process employs a jet engine for producing high quality dried products. A turbofan jet engine in an air-drying system uses both thermal and non-thermal air-drying. The turbofan jet engine is housed within an air distribution chamber for directing ex... | 09/20/2005 |
| 6666955 | Method and apparatus for reclaiming volatile products and non-volatile residue An improved method and apparatus is disclosed for reclaiming volatile products and non-volatile residue through the pyrolysis of a polymeric material comprising placing the polymeric material in a reactor and establishing an oxygen deficient atmosphere in... | 12/23/2003 |
| 6657095 | Continuous temperature variance pyrolysis for extracting products from tire chips An apparatus and process for pyrolyzing waste tire chips, the tire chips passed into an inclined rotary kiln having an output end. The tire chips are saturated by oil in the inclined rotary kiln and are pyrolyzed by indirectly heating with a heated gas. T... | 12/02/2003 |
| 6623602 | Method for reclaiming volatile products and non-volatile residue An improved method is disclosed for reclaiming volatile products and non-volatile residue through the pyrolysis of a polymeric material comprising placing the polymeric material in a reactor and establishing an oxygen deficient atmosphere in a reactor. Th... | 09/23/2003 |
| 6596128 | Coke oven flue gas sharing The invention provides a method and apparatus for decreasing gas flow rates in a sole flue gas system for a coke oven during at least an initial coking operation after charging a coking oven with coal. The method includes providing a duct system between a... | 07/22/2003 |
| 6187147 | Delayed coker unit furnace The return bend elbow fittings connecting adjacent tubes in a delayed coker furnace are improved by subjecting the interior surface of the fittings to a diffusion hardfacing process.... | 02/13/2001 |
| 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 |
| 6039774 | Pyrolytic conversion of organic feedstock and waste A self-sustaining system for converting organic waste feedstreams into usable solid and gas end products includes a plurality of interconnected retorts, an apparatus for flash pyrolyzing the feedstream to form intermediate gas and solid products, a source... | 03/21/2000 |
| 6013158 | Apparatus for converting coal to hydrocarbons An apparatus for forming liquid hydrocarbons from solid coal. The coal is pulverized to provide a particulate coal feed, which is then extruded to provide a hollow tube of compressed coal supported inside of a support tube. A clay feed is extruded to prov... | 01/11/2000 |
| 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 |
| 5935387 | Method and device for heating a low temperature carbonization drum and low temperature carbonization/combustion plant having the device A method for heating a low temperature carbonization drum includes generating a low temperature carbonization gas in the drum; combusting a partial flow of the low temperature carbonization gas for generating a heating gas; conducting the heating gas in a... | 08/10/1999 |
| 5891310 | Delayed coking cycle time reduction The cycle time for a delayed coker unit is reduced by externally heating the coke drum near the junction of the drum shell and the supporting skirt thereof prior to beginning the hot coker feed fill step. This reduces the thermal stresses at the area arou... | 04/06/1999 |
| 5824193 | Method of thermally treating plastics material A method of thermally treating plastics material includes the steps of heating a treatment chamber at least to the melting point of at least a fraction of the plastic material, maintaining an oxygen level in the treatment chamber below combustion level of... | 10/20/1998 |
| 5709779 | Device for conveying waste in a pyrolysis reactor A device for conveying waste includes a waste feed chute. A stationary conveyor pipe is connected to the waste feed chute and has a sealed-off end and a housing with a nonround cross section defining a longitudinal direction. A screw conveyor is disposed ... | 01/20/1998 |
| 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 |
| 5616216 | Process and device for treating waste by direct contact Process for treating industrial and/or urban waste comprising notably a drying stage, a waste thermolysis stage and a dechlorination stage by washing the solids resulting from the thermolysis. According to the invention, said thermolysis is achieved by direct ... | 04/01/1997 |
| 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 |
| 5584969 | 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... | 12/17/1996 |
| 5512070 | Two stage carbonizer A two stage carbonizer places as much heat as possible into the gas streams entering the carbonizer to drive off volatile matter and reduce tars and oils by thermal cracking which is enhanced by the addition of sorbent. The carbonizer operates as a fluidi... | 04/30/1996 |
| 5505822 | Process and device for treating waste by direct contact A process for treating industrial and/or urban waste includes the steps of drying the waste; effecting thermolysis of the dried waste by direct contact with warm gases, and washing solids resulting from the thermolysis with water to effect dechlorination ... | 04/09/1996 |
| 5387321 | Apparatus for waste pyrolysis Apparatus and method for the pyrolysis of waste material which is not itself susceptible to heating by microwave radiation. The method comprises: (a) contacting the waste material, under an atmosphere wherein flame generation is substantially prevented, w... | 02/07/1995 |
| 5377220 | Apparatus for drying of granular or powdered carbon by electrical resistance heating An apparatus for drying moist or wet carbon particles in a series of tubular drying sections by electrical resistance heating where the current is introduced into the column of carbon particles through a graphite block positioned at the center of the top ... | 12/27/1994 |
| 5368723 | Method of and apparatus of producing low boiling point hydrocarbon oil from waste plastics or waste rubbers Waste plastics are heated so as to be thermally decomposed and produce a vapor product containing oil and gas components. The vapor product is brought into contact with a solid acid catalyst containing a hydrochloric acid as a decomposing activator to be ... | 11/29/1994 |
| 5296102 | Dual chamber apparatus for recovery of oil from solid hydrocarbonaceus material A method of and apparatus for recovering oil from solid hydrocarbonaceous terial, such as oil shale, in particulate form using a combustion chamber and a reaction chamber arranged side-by-side and connected by a first passageway extending between the uppe... | 03/22/1994 |
| 5240565 | Apparatus for converting paper mill waste sludge into charcoal Apparatus for the production of charcoal by the comingling of a source of wood and ground sludge where the sludge is received from a paper making plant as wet sludge, grinding the wet sludge to a desired reduction, feeding the ground sludge into a furnace... | 08/31/1993 |
| 5104490 | Apparatus for converting waste material to gaseous and char materials Apparatus for thermally decomposing municipal waste to produce condensable gases, char, and non-condensable gases has a vertically extending reaction chamber receiving the waste particles at the upper end, discharging char at the lower end, and receiving ... | 04/14/1992 |
| 5098481 | Soil remediation process and system Process and apparatus for near-zero discharge soil remediation, preferably in conjunction with an asphalt plant, comprising heating soil contaminated with up to about 30,000 ppm light hydrocarbons in an inclined, axially-fired rotating separator, and samp... | 03/24/1992 |
| 5068010 | Apparatus for securing oil, gas and by-products from pyrobituminous shale and other matter impregnated with hydrocarbons An apparatus for removing oil, gas and by-products from pyrobituminous shale impregnated with hydrocarbons utilizes a vertically disposed reactor having a top portion, a middle portion and a bottom portion. As shale is introduced into the top portion of t... | 11/26/1991 |
| 5034021 | Apparatus for thermal pyrolysis of crushed coal Apparatus is described for the pyrolysis of coal comprising a pyrolysis tower through which crushed coal and hot gas are counter-currently passed. The tower enables a controlled temperature profile to be maintained in the tower, and contains inner appurte... | 07/23/1991 |
| 4948468 | Oil shale retort apparatus A retorting apparatus including a vertical kiln and a plurality of tubes for delivering rock to the top of the kiln and removal of processed rock from the bottom of the kiln so that the rock descends through the kiln as a moving bed. Distributors are prov... | 08/14/1990 |
| 4944845 | Apparatus for upgrading liquid hydrocarbons Apparatus for the treatment of a liquid hydrocarbon charge containing solids or solids-forming contaminants, e.g., inorganic solids, metals and asphaltenes, which includes a contactor vessel having a liquid charge inlet, a vaporizing media inlet above the... | 07/31/1990 |
