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| Number | Title | Issue Date |
| 7264781 | Calcining plant and method Particulate material to be calcined is conditioned and then introduced into a stream of flue gases which transport the material along a sloping drying duct while drying the material. The dried material is then introduced into the same stream of flue gases upstream o... | 09/04/2007 |
| 7022293 | Method and apparatus for processing a waste product A method and apparatus for processing a waste product and producing a synthesis gas is provided. The system includes a sealed, heated rotatable drum for preheating and preparing the waste material suitable for a plasma reactor, and processing the material in the rea... | 04/04/2006 |
| 6849160 | Method and device for heat treatment of waste products An apparatus and method are for the pyrolysis of waste. The aparatus has a rotating cell formed of a cylinder in combination with a truncated cone rotating on the same axis. The apparatus also has a hopper for charging the waste at one end of the cylinder, an ash bo... | 02/01/2005 |
| 6638396 | Method and apparatus for processing a waste product A method and apparatus for processing a waste product and producing a synthesis gas is provided. The system includes a sealed, heated rotatable drum for preheating and preparing the waste material suitable for a plasma reactor, and processing the material... | 10/28/2003 |
| 6270630 | Process and apparatus for producing hydrocarbons from residential trash or waste and/or organic waste materials The invention provides a process and apparatus for producing hydrocarbons from residential trash or waste and/or organic waste materials. In particular, the invention provides a process and apparatus for producing hydrocarbons from residential trash or wa... | 08/07/2001 |
| 5851361 | Apparatus for processing an organic solid An apparatus and method for the separation and chemical and physical alteration of organic solid material in which the materials are placed in a sealed rotating drum and exposed to hot products of combustion produced by a flame in the drum. The temperatur... | 12/22/1998 |
| 5820736 | Pyrolysing apparatus This apparatus can effect pyrolysis of hydrocarbon containing material at high temperature of 400° to 500° C. and under vacuum in consecutive batches. The apparatus comprises a cylindrical drum rotatable at a variable speed about a horizontal axis and s... | 10/13/1998 |
| 5707592 | Method and apparatus for treatment of waste materials including nuclear contaminated materials A method and apparatus for the treatment of waste materials including nuclear contaminated materials is disclosed. The method of the invention includes the steps of: grinding the base material until the maximum grain size is 50 millimeters; drying the gro... | 01/13/1998 |
| 5670024 | Thermal treatment process for waste and/or residual materials For thermally treating waste and/or residual materials, in particular fiber glass, glass silk, glass wool and glass mat coated with organic materials, a drum (1) with embedded elements is used to make the materials circulate. In this drum the materials ar... | 09/23/1997 |
| 5453164 | Pyrolytic conversion 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... | 09/26/1995 |
| 5366596 | Dry thermal processor The processor is of the type incorporating horizontal, concentric, co-extensive inner and outer tubular members which rotate together. The processor is modified in the following respects: The front end of the inner tubular member is circumferentially corrugate... | 11/22/1994 |
| 5258101 | Pyrolytic conversion 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... | 11/02/1993 |
| 5227026 | Retort heat exchanger apparatus A heat exchanger including one or more rotating drums with a freely rotating helix inside the drum to move material to be heated or cooled longitudinally through the drum, as well as to help clean the surface of the drum, together with carriers to assist ... | 07/13/1993 |
| 5217578 | Dry thermal processor The processor is of the type incorporating horizontal, concentric, co-extensive inner and outer tubular members which rotate together. The processor is modified in the following respects: The front end of the inner tubular member is circumferentially corrugate... | 06/08/1993 |
| 5194069 | Method and apparatus for refinement of organic material A method and an apparatus for the refinement of organic material is disclosed. Converting and processing organic material is achieved with or without organic and inorganic additions. The base material uses waste material, i.e. forest industry waste and sl... | 03/16/1993 |
| 5173921 | Apparatus and process for activation of carbon by electrical resistance heating in the presence of steam In an apparatus and process for the activation of carbon from carbon feedstocks by electrical resistance heating in the presence of steam, which comprises preheating particles of the carbon feedstock in a preheater, having the particles descend by gravity... | 12/22/1992 |
| 5167772 | Apparatus for pyrolysis of tires and waste Method and apparatus for pyrolyzing used tires into a char fraction, wire, fiberglass, oil fraction and gas fraction. The tires are continuously conveyed to a preheating chamber where they are heated to a temperature level of 200° F. to 400° F. The heat... | 12/01/1992 |
| 5091157 | Recycle conduit insulation assembly A recycle conduit insulation assembly for use with a helical recycle conduit of a rotary reactor of the type having a rotating, horizontally-oriented, cylindrical chamber for burning materials therein and a quantity of particulate, inorganic material with... | 02/25/1992 |
| 5078836 | Method and apparatus for retorting material An apparatus and a method are disclosed for the thermal treatment of feed material containing solids and liquids such as solid waste or the like. The apparatus includes one or more coaxial rotatable drums and one or more free rotating spirals advancing th... | 01/07/1992 |
| 4881947 | High efficiency gasifier with recycle system A high efficiency gasifier employs a rotary kiln having an indirect fired gasifier and a recycle system. The rotary kiln provides an essentially oxygen-free gasifying chamber into which raw feed material is introduced. Radiant tubes within the chamber tra... | 11/21/1989 |
| 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 |
| 4589354 | Apparatus for the recovery of gases from waste materials The disclosure relates to a rotating pyrolysis drum for the thermal treatment of waste materials, such as domestic or industrial garbage or the like, with respectively one heated gas collecting chamber for addition and one heated gas collecting chamber fo... | 05/20/1986 |
| 4563246 | Apparatus for retorting particulate solids having recoverable volatile constituents A method and apparatus is disclosed for retorting particulate solid materials, particularly hydrocarbon-containing materials such as oil shale, oil sands, tar sands, coal shale, coal tailings, and the like, for the recovery of a volatile constituent such ... | 01/07/1986 |
| 4495032 | Split hub wheel apparatus A shale oil retort apparatus is provided for retorting oil shale under airtight conditions. The retort apparatus employs a split hub wheel device which allows for the axial feeding of crushed oil shale and the axial dispensing of spent oil shale. The reto... | 01/22/1985 |
| 4492039 | Method and apparatus for drying and handling sludge The present invention relates to a method and apparatus for drying and handling sludge. Sludge is conveyed or transferred into a rotary drying chamber that may be housed within a structure such as a solar drying structure. The rotary drying chamber is pro... | 01/08/1985 |
| 4431406 | Rotary hearth furnace plant The rotary hearth furnace plant for heating granular high-carbon solids comprises an approximately funnel-shaped hearth, which rotates on a vertical axis and has a central outlet, which is disposed over a rotary table, on which the heated solids are moved... | 02/14/1984 |
| 4372287 | Wood-burning stove and method for burning wood A wood-burning stove utilizes a volatilization chamber inserted within the combustion chamber of the stove. The volatilization chamber contains a charge of wood which is heated to drive off combustible gases and vapors. The combustible gases and vapors ar... | 02/08/1983 |
| 4319410 | Dryer system for drilling mud cuttings A dryer system for treating oily solids, such as oil based drilling mud cuttings, into dry and oil-free solids and a liquid which includes recovered oil values. The system is a continuous feed, high vacuum, low temperature, distillation unit. An indirect ... | 03/16/1982 |
| 4293390 | Apparatus for treatment of hydrocarbon-containing mineral material Process and apparatus are disclosed for recovering liquid and gaseous fuel from solid hydrocarbon-containing mineral material such as bitumen-containing mineral materials exemplified by tar sands or oil-bearing diatomites, without expensive pretreatment t... | 10/06/1981 |
| 4285773 | Apparatus and process for recovery of hydrocarbon from inorganic host materials In the apparatus, concentric, radially spaced tubes are secured to each other and rotated about a common horizontal long axis. Selectively placed and configured lift elements repeatedly lift and drop feed material in the two tubes. Advance elements cause ... | 08/25/1981 |
| 4280879 | Apparatus and process for recovery of hydrocarbons from inorganic host materials A dry thermal processor for recovering hydrocarbons from oil sand solids comprises concentric, radially spaced, horizontal inner and outer tubular members connected for rotation together. The inner member provides a substantially open preheat zone and vap... | 07/28/1981 |
| 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 |
| 4250015 | Mechanochemical hydrogenation of coal Hydrogenation of coal is improved through the use of a mechanical force to reduce the size of the particulate coal simultaneously with the introduction of gaseous hydrogen, or other hydrogen donor composition. Such hydrogen in the presence of elemental ti... | 02/10/1981 |
| 4240210 | Method and apparatus for utilizing solar energy in a water and waste management system The present invention relates to a method and apparatus for utilizing solar energy in a water and/or waste management system. At least one rotary chamber having a porous or perforated outer wall structure and an inner disposed filter is oriented within a ... | 12/23/1980 |
| 4222988 | Apparatus for removing hydrocarbons from drill cuttings Method and apparatus for removing hydrocarbons from drill cuttings is disclosed. The method involves heating the contaminated drill cuttings at a pressure lower than atmospheric pressure, milling the cuttings to expose hydrocarbons trapped within agglomer... | 09/16/1980 |
| 4218288 | Apparatus and method for compacting, degassing and carbonizing carbonaceous agglomerates An apparatus for compacting, degassing and carbonizing carbonaceous agglomerates, the apparatus comprising a rotary kiln having an agglomerate inlet means for introducing green agglomerates into the kiln near the inlet of the kiln and a heating medium inl... | 08/19/1980 |
| 4210491 | Method and apparatus for retorting a substance containing organic matter An improved method and apparatus for converting a substance containing organic matter into hydrocarbon vapors and solids residue by feeding the substance into the upstream portion of a substantially cylindrical retort having a substantially horizontal lon... | 07/01/1980 |
| 4200517 | Treatment of hydrocarbon-containing mineral material Process and apparatus are disclosed for recovering liquid and gaseous fuel from solid hydrocarbon-containing mineral material such as bitumen-containing mineral materials exemplified by tar sands or oil-bearing diatomites, without expensive pretreatment t... | 04/29/1980 |
| 4198273 | Apparatus for producing petroleum coke calcinate Green petroleum coke is indirectly dried, than calcined in a cylindrical 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 ... | 04/15/1980 |
| 4159306 | Apparatus for the production of activated carbon Activated carbon from carbonizable, e.g., organic materials is produced in either two physically separated drums which include means for transferring the superheated steam from one drum to the other or in a single drum provided with a longitudinal, axial ... | 06/26/1979 |
