Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 5731564 | Method of operating a centrifugal plasma arc furnace A centrifugal plasma arc furnace is used to vitrify contaminated soils and other waste materials. An assessment of the characteristics of the waste is performed prior to introducing the waste into the furnace. Based on the assessment, a predetermined amou... | 03/24/1998 |
| 5725614 | Apparatus for fluidized-bed gasification and melt combustion A combustion apparatus in which combustible matter, e.g., waste matter, coal, etc., is gasified to produce a combustible gas containing a sufficiently large amount of combustible component to melt ash by its own heat. A fluidized-bed furnace has an approx... | 03/10/1998 |
| 5724901 | Oxygen-enriched gas burner for incinerating waste materials An oxygen-enriched gas burner and method of operation thereof for incinerating and/or melting and/or vitrifying and/or performing thermal treatment and/or oxidizing ground/liquid waste materials and particularly, but not exclusively, contaminated waste ma... | 03/10/1998 |
| 5724899 | Modified cement kiln for burning combustible solid waste as supplemental fuel A method and apparatus are described for environmentally sound usage of combustible solid waste in operating rotary cement kilns. A cement kiln is modified to contain a port in the rotary cylinder for delivery of combustible solid waste into the kiln for ... | 03/10/1998 |
| 5724900 | Method and plant for carbonizing and burning waste A method for processing waste includes low-temperature carbonizing one portion of the waste creating low-temperature carbonization gas and low-temperature carbonization residue. A carbon-rich fraction is separated off from the low-temperature carbonizatio... | 03/10/1998 |
| 5720232 | Method and apparatus for recovering constituents from discarded tires Discarded rubber tires for reclamation and recovery of the constituents therein and/or environmentally safe disposal are transferred from a pan feeder system into a hopper and transferred by an auger into a pyrolysis chamber. The pan feeder system exclude... | 02/24/1998 |
| 5715763 | Combustion system for a black liquor recovery boiler A black liquor recovery boiler furnace having quaternary air injection ports located in the furnace walls in the vicinity of, or at approximately the same elevation as, the black liquor injection guns. The quaternary air injection ports are located betwee... | 02/10/1998 |
| 5711235 | Waste conveyor and method for inspecting the contents of a conveyor channel for waste A conveyor for waste has a waste feed shaft which is laterally connected to a horizontally divided conveyor channel. A screw conveyor being drivable by a motor is located in the longitudinal direction of the conveyor channel. The conveyor channel opens in... | 01/27/1998 |
| 5710360 | Thermal desorption system for decontaminating materials A thermal desorption system for treating and/or removing contaminants from various types of materials employs an induction tube furnace to heat the material to a high enough temperature to completely desorb it. The induction tube furnace includes a metal ... | 01/20/1998 |
| 5711017 | Process for the destruction of chemical agents and munitions Chemical agents, such as chemical munitions, are decomposed by bringing them into contact with a plasma arc of a DC plasma arc furnace operated at a temperature of greater than about 30,000° F.... | 01/20/1998 |
| 5699745 | Animal carcass incinerator An incinerator and a process for the incineration of animal carcasses. The inner combustion chamber of the incinerator is lined with a high temperature fibrous insulation material and a stainless steel liner thereby permitting the temperature of the liner... | 12/23/1997 |
| 5697307 | Thermal and chemical remediation of mixed wastes A process for treating organic waste materials without venting gaseous emissions to the atmosphere which includes oxidizing the organic waste materials at an elevated temperature not less than about 500° C. with a gas having an oxygen content in the rang... | 12/16/1997 |
| 5698762 | Microwave-assisted pyrolysis of waste polyaromatic hydrocarbons Polyaromatic hydrocarbons are highly carcinogenic ubiquitous industrial wastes. In this Invention, concentrations of said wastes are diminished by microwave-assisted pyrolysis. Prior to exposure to microwave radiation, said wastes are covered with a non-c... | 12/16/1997 |
| 5685241 | Lined lateral rotary kiln incinerator A furnace body (4) consists of drums (D1, D2, and D3) which are supported and drove by rotation drive assemblies (3) independently of each other. Each drum has open ends at both sides, and adjacent open ends are engaged to each other in a rotatable manner... | 11/11/1997 |
| 5685244 | Gas-fired smelting apparatus and process A novel smelting process and furnace for the economical recovery of vanadium, in the form of ferrovanadium alloy, from oil ashes and/or coal ashes while producing non-hazardous slag for safe and inexpensive disposal in landfill areas. A preferred embodime... | 11/11/1997 |
| 5678498 | Process and apparatus for ventless combustion of waste A ventless, combustible waste reduction process and apparatus which can utilize any type of combustion means for disposing of hazardous, as well as non-hazardous, burnable waste. Such wastes include toxic combustible liquids, oil slurries, soils contamina... | 10/21/1997 |
| 5678496 | Method and plant for the pyrolytic treatment of waste containing organic material, particularly for treating municipal solid waste A method and a plant for the pyrolytic treatment of waste containing organic material, particularly for treating municipal solid waste. The method comprises: a step for loading the waste to be treated onto transport trolleys; a step for the insertion of t... | 10/21/1997 |
| 5675056 | Incandescent waste disposal system and method An incandescent waste disposal system and method for the processing of waste and for rendering a hazardous component of the waste nonhazardous without discharge of harmful emissions are provided. The system includes a waste processing chamber, typically s... | 10/07/1997 |
| 5673636 | Garbage incineration process on an incineration grate, incineration grate for carrying out the process and plate for such an incineration grate A process wherein an incineration grate is tempered by a medium that flows therethrough. The grate has a number of hollow plates made of sheet metal. Each plate lies on the next underlying plate. A connection pipe is arranged on one side of each plate and... | 10/07/1997 |
| 5666891 | ARC plasma-melter electro conversion system for waste treatment and resource recovery The present invention provides a relatively compact and highly robust waste-to-energy conversion system and apparatus which has the advantage of complete or substantially complete conversion of a wide range of waste streams into useful gas and a stable, n... | 09/16/1997 |
| 5662049 | Combustion method and apparatus Unreacted gas generated at outside is introduced through a gas inlet tangentially into a secondary combustion chamber with a substantially cylindrical side wall, so that a spiral ascending flow of the unreacted gas is generated in the chamber. A bulk mate... | 09/02/1997 |
| 5662052 | Method and system including a double rotary kiln pyrolysis or gasification of waste material A method of destructively distilling an organic material in particulate form wherein the particulates are introduced through an inlet into one end of an inner rotating kiln ganged to and coaxial with an outer rotating kiln. The inner and outer kilns defin... | 09/02/1997 |
| 5662050 | Process for chemical/thermal treatment without toxic emissions An apparatus and process for chemically and/or thermally treating substances containing or generating toxic substances during treatment is disclosed. Multiple reactors treat the material while the toxic emission containment system separates and cleans the... | 09/02/1997 |
| 5657706 | Apparatus for processing and vitrifying waste The invention relates to apparatus for processing waste, in particular hospital waste, the apparatus including a gasification chamber (1) into which the waste is inserted to be subjected to degassing and to combustion, a post-combustion chamber (2) for th... | 08/19/1997 |
| 5657705 | Heat treatment furnace for waste and associated process A furnace for effecting pyrolysis of waste material includes an essentially cylindrical cavity for effecting pyrolysis of the waste material rotating around its lengthwise axis, a combustion chamber located around the cavity and injectors for introducing ... | 08/19/1997 |
| 5658094 | Energy recuperative soil remediation system An improved system for remediating soil contaminated with short-chain hydrocarbons, long-chain hydrocarbons and PCB's. The system includes an rotary drum having first and second heat exchanging regions, each containing separated inner and outer regions. T... | 08/19/1997 |
| 5655465 | Treatment of toxic wastes Toxic wastes and other contaminants are removed from soil which is fed through a passage in an agitating means into a retort (10, 110) where the soil is agitated and brought into contact with the retort walls (11, 111, 111A) (at a temperature preferably a... | 08/12/1997 |
| 5653182 | Method for neutralizing waste Method for neutralizing waste, such as powder from luminescent tubes and similarly, residue from incineration of household waste, optionally comprising environmentally hazardous components, such as Hg, Cd, Zn, Co or Ba. The waste is fed into a melting fur... | 08/05/1997 |
| 5653183 | Pyrolytic waste treatment system A system for pyrolysis of hydrocarbon constituents of waste material including a treatment unit featuring a retort with a ellipsoidal cross-section forming a first retort half and a second retort half, the material to be treated being selectively deposite... | 08/05/1997 |
| 5648592 | Method and apparatus for treating waste and for obtaining usable by-product The present invention is directed to the art of treating waste using laser technology. Industrial and toxic waste materials are irradiated with a laser inside a reactor chamber such that they are heated to high temperatures. Organic compounds are thermall... | 07/15/1997 |
| 5644997 | Waste pyrolysis rotary furnace with internal heating The present invention relates to a furnace intended for the thermal treatment of solid materials, comprising a rotary element (1) in which said solid materials circulate longitudinally, and a means (9) for heating said materials, which extends longitudina... | 07/08/1997 |
| 5644996 | Method and arrangement for reburning lime sludge in a fluidizing bed The invention relates to a method for lime sludge reburning in a fluidizing bed. The method is characterized in that a cooling medium (10) is injected immediately above the fluidizing bed (3). The invention also comprises means for performing the method. ... | 07/08/1997 |
| 5641412 | Free radical oxidation process and installation for treating liquid effluents contaminated by organic substances In the process and installation for decontaminating a liquid effluent contaminated by at least one organic substance, a gaseous combustible is burned in a reactor to produce a flame containing hydroxyl free radicals OH° and oxygen O2 and that ... | 06/24/1997 |
| 5634414 | Process for plasma pyrolysis and vitrification of municipal waste Municipal or other solid waste is delivered in loose form to a processing facility where it is compacted into a supply chute adjacent the upper portion of a reactor. The compaction serves to remove most of the air and some of the water from the waste as w... | 06/03/1997 |
| 5634413 | Method for thermal oxidation of liquid waste substances w/two-fluid auto-pulsation nozzles In the method, the liquid waste substance is vaporized and oxidized in a stream of hot flue gas 4. This stream of flue gas 4 contains the oxygen necessary for oxidation. The essence of the method is that the liquid waste substance is sprayed into the stre... | 06/03/1997 |
| 5628261 | Method and furnace for decomposing solid waste materials A high temperature furnace and method for thermally decomposing solid combustible fuels into usable products to provide a source of heat to a selected area is disclosed. Solid combustible fuel, such as waste automobile tires, are introduced into a reactio... | 05/13/1997 |
| 5626249 | Plasmalysis treatment method for waste matter A method for the treatment of waste matter by plasma action. A plurality of electrode structures are positioned to define a reaction zone associated with the inter-electrode space. The inter-electrode space is conditioned (as by preionizing) and a series ... | 05/06/1997 |
| 5626086 | Method and apparatus for controlling a waste disposal system Waste disposal system (10) is provided comprising first combustion chamber (40) for incinerating waste material to produce ash and exhaust containing gases and particulate matter. Waste disposal system (10) also has includes second combustion chamber (60)... | 05/06/1997 |
| 5619935 | Portable incinerator heat recovery device and method of use A heat recovery device for use with a portable incinerator. The heat recovery device comprises first and second legs which support a heat exchanger thereon. An air flow path is formed from the bottom to the top of the first leg, through the heat exchanger... | 04/15/1997 |
| 5619938 | Method of incinerating waste material by way of dry distillation and gasification A waste material in a first gasification furnace is thermally decomposed through dry distillation, producing a combustible gas, which is introduced into and combusted in a first combustion furnace, and the produced heat of combustion is imparted to a heat... | 04/15/1997 |
