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| Number | Title | Issue Date |
| 4881473 | Method and apparatus for treating oil-water-solids sludges and refinery waste streams Heavy hydrocarbon containing sludges such as refinery waste streams, oil storage tank sludges and marine oil tanker ballast are treated by passing the sludges in a flow stream through an indirect dryer to vaporize liquids having a boiling point at atmosph... | 11/21/1989 |
| 4864942 | Process and apparatus for separating organic contaminants from contaminated inert materials A method for economically separating organic contaminants such as volatile organic chemicals (VOC's) and polychlorinated biphenyls (PCB's), even if the contaminants are present at low concentrations, from inert materials such as soils or sludges, comprisi... | 09/12/1989 |
| 4846083 | Method of processing contaminated mineral substances For the production of a product which can be dumped or utilized, the mineral substances are subjected in a rotary kiln to a thermal treatment at a temperature at which the charge of the rotary kiln is transformed to a pasty to liquid slag phase. The compo... | 07/11/1989 |
| 4840129 | Pyrolysis system A pyrolysis system for trash and refuse utilization having a heated low temperature carbonization drum with a device for feeding material to be carbonized located at one end face of the drum, a residue discharge device at the other end face of the drum, a... | 06/20/1989 |
| 4827854 | Reflux volatilization system A system for receiving and removing contaminants from soil, sand, etc. which has been contaminated by liquid contaminants. The contaminated material is heated in a rotating chamber sufficiently to volatilize the contaminants. The volatilized contaminents ... | 05/09/1989 |
| 4815398 | Method and apparatus for detoxifying soils Apparatus, and a method for using the apparatus, for detoxifying material contaminated with at least one volatile organic compound (VOC). The apparatus is provided with a dryer having a heat source to heat the VOC-contaminated material to a first temperat... | 03/28/1989 |
| 4797091 | Method and apparatus for utilizing the heat energy of domestic and commercial refuse The invention relates to a method for utilizing the heat energy of domestic and commercial refuse in a rotary kiln installation. The prepared crude refuse is degassed in a pyrolysis reactor and the pyrolysis gas produced is delivered to the main burner of... | 01/10/1989 |
| 4794872 | Apparatus and method for disposing of waste material A system for treating liquid containing waste material which includes a reaction vessel for treating other material to achieve a reaction which includes the formation of hot gases. The system includes a dryer adapted to receive the hot gases from the reac... | 01/03/1989 |
| 4793269 | Kiln for waste disposal A water cooled kiln comprises a cylindrical combustor structure made up of a plurality of generally parallel water pipes spaced circumferentially about the periphery of the structure, and a plurality of webs circumferentially interconnecting the pipes so ... | 12/27/1988 |
| 4774895 | Waste pyrolysis method and apparatus A pyrolysis reactor is coupled with an incinerator plant in the pyrolysis apparatus of our invention. In one variant the pyrolysis gas arrives directly in the furnace of the incinerator plant. In another variant the pyrolysis gas is burned in an additiona... | 10/04/1988 |
| 4766823 | System for and method of producing a beneficiated fuel A system for and method of producing a beneficiated fuel from a moisture ladened fuel. A combustion turbine is operated to provide a flow of exhaust gas out of an exhaust outlet at a temperature above ambient. The flow of exhaust gas is then directed acro... | 08/30/1988 |
| 4765255 | Perfected system for pyrolysing and/or drying biological sludge or similar A system for pyrolysing/drying biological sludge by indirectly heating the same by means of hot fumes, characterized by the fact that it incorporates a rotary furnace secured angularly to a cover skirt and defining, with the same, a cavity in which to cir... | 08/23/1988 |
| 4745868 | System for and method of producing a beneficiated fuel A system for and method of producing a beneficiated fuel from a raw low ranked moisture ladened fuel. A combustion turbine is operated to provide a flow of exhaust gas out of an exhaust outlet at a temperature above ambient. The flow of exhaust gas is the... | 05/24/1988 |
| 4738206 | Apparatus and method for low temperature thermal stripping of volatile organic compounds from soil Apparatus and method for removing volatile and semi-volatile organic contaminants from natural soil containing moisture by sealing the soil in a stripping conveyor against contact with air and vapor stripping the contaminants at a temperature below the bo... | 04/19/1988 |
| 4690639 | Constant pressure variable orifice burner nozzle assembly In a burner gun of the type including a conduit having a gas inlet supplied with a gas and an outlet, a burner nozzle assembly includes an outlet plate secured to the outlet of the gas conduit and having a plurality of circumferentially arranged cylindric... | 09/01/1987 |
| 4656955 | Refuse incineration system In an improved refuse incineration system, wet refuse is heated in a dryer by inlet superheated steam in direct contact to remove most moisture therefrom while converting such moisture into outlet steam also in superheated state. The dried refuse is then ... | 04/14/1987 |
| 4642048 | Apparatus for continuously preheating and charging raw materials for electric furnace It is provided as shown in the drawing with a waste gas guiding duct, a rotating duct, an inserting duct, a connecting duct, a stationary duct, and a branch tube including a feed chute and a gas exhaust duct, and is adapted to preheat a main raw material ... | 02/10/1987 |
| 4639217 | Countercurrent heat transfer device for solid particle streams A rotary kiln is formed by a helical tube secured inside a cylindrical shell, and fitted with flow spoiler baffles between each turn of the helical tube. Inside the helical tube, one solid particle stream flows uphill in the manner of the classical Archim... | 01/27/1987 |
| 4611544 | Burner for particulate fuel The present invention relates to a method for combusting solid fuel in the form of particles, preferably fuel pellets, whereby the fuel is combusted in a rotating combustion chamber (1) whereby the speed of the rotating the chamber is varied so that the f... | 09/16/1986 |
| 4546711 | Apparatus and method for incinerating waste material with a converted preheater-type lime kiln Apparatus and method for incinerating toxic and non-toxic waste using a modified preheater-type lime kiln is disclosed wherein the kiln is modified to incinerate waste and the preheater section is modified to provide an incineration processing aid such as... | 10/15/1985 |
| 4544374 | Apparatus for burning organic materials Separation of the apparatus for drying and degassing organic waste from the shaft furnace containing a gasification chamber and a combustion chamber increases the through-put capability of the shaft furnace gasification. The gasification is promoted by th... | 10/01/1985 |
| 4542703 | Counter current incineration unit An incineration unit is provided with an open ended rotary incineration chamber having a main portion and a neck portion supported between two opposite stationary end chambers. Feed means are mounted adjacent first stationary end chamber and a burner for ... | 09/24/1985 |
| 4541345 | Apparatus for recovering energy from pyrolyzable, carbonaceous waste materials of varying composition An apparatus for recovering energy from pyrolyzable, carbonaceous waste materials, for example household refuse, comprising a rotary tube reactor (4) adapted to be charged with the waste materials and producing, as products, a (low temperature) carbonizat... | 09/17/1985 |
| 4521379 | Rotary calcining system with cleaning means A rotary cylinder calcining system for treating tacky materials with a propensity to adhere to the surfaces of handling apparatus. The system comprises a reciprocating means for freeing the cylinder calciner outlet from any blockages caused by adhering ma... | 06/04/1985 |
| 4516511 | Refuse incineration system In an improved refuse incineration system, wet refuse is heated in a dryer (4) to remove most moisture therefrom while converting such moisture into steam for use in order to save energy consumption in a steam generating plant. The dried refuse is then fe... | 05/14/1985 |
| 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 |
| 4485745 | Method for thermal processing of solid waste and the apparatus for carrying out the method In a method of thermal solid waste exploitation the pure pyrolysis gases are used for auxiliary heating in combustion and the flue gases from combustion are used for heating in pyrolysis. In a solid waste processing installation the pure gas outlet of the... | 12/04/1984 |
| 4459921 | Method and apparatus for burning inerts, particularly flotation addles middlings, clarification ponds and/or domestic refuse as a firing material in a grate firing Inerts, particularly flotation addles and/or middlings are burned as a fire material in a grate firing and form a solid slag which is mechanically comminuted during the firing process. Comminution is accomplished with grate elements which are movable with... | 07/17/1984 |
| 4437418 | Methods of and apparatus for treating waste products This invention relates to methods of and apparatus for treating waste products. The apparatus comprises a furnace 1 and a recuperator 2, the furnace comprising at least one rotary section 4 for combustion and/or pyrolysis of the waste products and a stati... | 03/20/1984 |
| 4431405 | Gas pollution control apparatus and method and wood drying system employing same Pollution control apparatus and method are disclosed in which hot exhaust gas containing pollutants including solid particles and hydrocarbon vapors is treated by transmitting such exhaust gas through a container containing wood members, such as wood chip... | 02/14/1984 |
| 4376343 | Method and apparatus for drying bagasse An outer cylindrical drum has an inner drum concentrically mounted therein in spaced relationship, to form coextensive outer and inner drying chambers that are connected to a common source of hot exhaust gases from a sugar factory boiler. Raw bagasse is f... | 03/15/1983 |
| 4361100 | Procedure and installation for the incinerating of sludge In a procedure and an installation for the incinerating of sludge, predried sludge is dried to residual moisture by the addition of heat in a first processing step and then pyrolized by the continued addition of heat and the exclusion of air in a second p... | 11/30/1982 |
| 4339999 | Combination refuse pyrolysis and moisture reduction apparatus An improved method and apparatus for pyrolyzing waste materials and recovering useful chemical and energy rich materials therefrom. The apparatus of the invention comprises a specially designed, rotatable pyrolysis chamber and a cooperating rotatable mois... | 07/20/1982 |
| 4301750 | Method for pyrolyzing waste materials An improved method for pyrolyzing waste materials and recovering useful chemical and energy rich materials therefrom. The apparatus of the invention includes a specially designed, rotatable combustion chamber and embodies a highly novel means for withdraw... | 11/24/1981 |
| 4205613 | Apparatus for pyrolyzing waste materials An improved method and apparatus for pyrolyzing waste materials and recovering useful chemical and energy rich materials therefrom. The apparatus of the invention includes a specially designed, rotatable combustion chamber and embodies a highly novel mean... | 06/03/1980 |
| 4063903 | Apparatus for disposal of solid wastes and recovery of fuel product therefrom Apparatus for the disposal of solid wastes by converting the organic fraction of such wastes to a fuel or fuel supplement and by recovering one or more of the constituents of the inorganic fashion. A minimum amount of sterile land fill remains. No signifi... | 12/20/1977 |
| 4015546 | Apparatus and method for converting refuse to useful energy The preferred embodiment of the invention disclosed herein includes apparatus for and the steps of separating glass, metal and other generally non-combustible material from refuse to provide a volume of generally combustible refuse, shreddingthe volume of... | 04/05/1977 |
| 3954069 | Process and apparatus for the incineration of aqueous sewage sludge A process and apparatus for the incineration of aqueous sewage sludge utilizing mechanical de-watering followed by thermal drying of the sludge prior to its being conducted to a combustion chamber for incineration. The water vapor-containing malodorous ex... | 05/04/1976 |
| 3938449 | Waste disposal facility and process therefor Solid wastes are dumped into a receiving pit and a conveyor transfers them to a separate station where salvage operations are performed. Adjacent the salvage station a saw cuts waste wood to manageable lengths, which is conveyed with the other wastes to a... | 02/17/1976 |
| 3934521 | Combustion apparatus An incinerator comprises a pre-drying grate, a combustion grate or drum following the pre-drying grate, and a drop intermediate the pre-drying grate and the combustion grate or drum. The drop is the front wall of an air distribution box extending over the... | 01/27/1976 |
