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| Number | Title | Issue Date |
| 7989673 | High energy disinfection of waste An apparatus subjects fluid waste to waves from an RF plasma. This allows continuous production of “activated water” characterized by cluster sizes below about 4 molecules per cluster, water having pH below 4 or above 10, or water having ORP of less than −350 ... | 08/02/2011 |
| 7381380 | Plasma based trace metal removal apparatus A system and method for the removal of metals such as mercury from a gas stream. The method involves contacting a gas stream containing the target metals with reactive chemical species generated in a plasma device. The metal to be removed is chemically converted int... | 06/03/2008 |
| 7285247 | Apparatus and method for operating a fuel reformer so as to purge soot therefrom A method of operating a fuel reformer includes advancing a first air/fuel mixture having a first air-to-fuel ratio into the fuel reformer. The method further includes determining if a soot purge is to be performed and generating a purge-soot signal in response there... | 10/23/2007 |
| 7279655 | Inductively coupled plasma/partial oxidation reformation of carbonaceous compounds to produce fuel for energy production Inductively coupled plasma (ICP) reforming converts carbonaceous compounds into a fuel for use in generating electrical power. Energy rich hydrocarbon fuels, such as coal, marine diesel, oils, and hydrocarbon wastes are employed as a feedstock for the ICP, which tra... | 10/09/2007 |
| 7244281 | Method and apparatus for trapping and purging soot from a fuel reformer A plasma fuel reformer assembly for producing reformate gas includes a fuel reformer having an air/fuel input assembly, an electrode assembly, and a soot trap positioned downstream of the electrode assembly. The electrode assembly includes a first electrode and a se... | 07/17/2007 |
| 7220396 | Processes for treating halogen-containing gases There are disclosed various processes, apparatuses and systems for treating a halogen-containing gas such as F2 that involve generating a plasma in order to reduce chemically the halogen-containing gas into products that are more environmentally manageabl... | 05/22/2007 |
| 7198210 | Method and device for destroying confidential documents A method for destroying confidential documents, including the steps of a) keeping one or more confidential documents in a container, b) identifying the container, c) storing identification data relating to the container in question in an electronic data system, d) e... | 04/03/2007 |
| 7156897 | Anti-infection and toxin elimination device The invention provides an apparatus for removing airborne pathogens and toxic substances from a surface of an article or a volume of air, comprising: a main processing chamber having a door for ingress to and egress from the main processing chamber, at least two hig... | 01/02/2007 |
| 7132584 | Method of using high temperature plasma to disintegrate waste containing titanyl phthalocyanine A method of using high temperature plasma to disintegrate waste containing titanyl phthalocyanine (TiOPc) comprises heating a mixture of titanyl phthalocyanine (TiOPc), a vitrifying material and optionally selected waste soil to a temperature of 1,220° C. to 10,000... | 11/07/2006 |
| 7083763 | Feeding system for fuel gas generator A feed system for loading waste into a fuel gas generator system where the feed system is made of a walled container wherein the outer container back has an outer back hole and the inner container back has an inner back hole, and wherein the holes are aligned and a ... | 08/01/2006 |
| 7067204 | Submerged plasma generator, method of generating plasma in liquid and method of decomposing toxic substance with plasma in liquid A method and apparatus for generating plasma in a liquid. The apparatus includes an ultrasonic wave generator for generating bubbles in the liquid, and an electromagnetic wave generator for continuously irradiating electromagnetic waves to the liquid from within the... | 06/27/2006 |
| 7017347 | Method and system for converting waste into electricity A system and method for converting waste into electricity. Hydrogen gas is produced from waste burned in a vessel including at least one plasma arc torch. Steam is introduced into the vessel to provide a source for the hydrogen gas. The hydrogen gas is then collecte... | 03/28/2006 |
| 6932944 | High efficiency scrubber for waste gas abatement A gas scrubber comprises a gas inlet pipe that provides the scrubber with gases to be processed; means for initiating reactions of decomposition that is directed to initialize the decomposition of gases; an oxygen and natural gas inlet pipes to provide the necessary... | 08/23/2005 |
| 6926465 | Remediation system A remediation system comprises a primary scalping screen, a primary pump and sump, a large diameter maximum density separator with flocculant injection ring, a secondary pump and sump, a small diameter maximum density separator with flocculant injection ring, a stat... | 08/09/2005 |
| 6695953 | Accelerated methods of oxidizing organic contaminants in aqueous mediums using corona induced reactions and particles therewith Novel accelerated methods involving corona discharge, and preferably pulsed streamer high voltage corona discharge, in combination with an effective amount of suitable particles to break down organic contaminants, such as phenol and phenol red, in aqueous... | 02/24/2004 |
| 6650059 | Method of decomposing organic halide A discharge tube (11) made of a dielectric material extends through a hole (3) of a rectangular waveguide (1) and through a coaxial microwave cavity (4) so as to be coaxial with the central axis of the cavity (4). This discharge tube (11) has a double-tub... | 11/18/2003 |
| 6105518 | Durable plasma treatment apparatus and method A method and apparatus for treating a work surface, wherein there is provided a chamber having a longitudinal axis and longitudinally extending electrically conductive sidewalls, at least one sidewall having at least one longitudinally extending gap that ... | 08/22/2000 |
| 5843288 | Methods and apparatus for controlling toxic compounds using catalysis-assisted non-thermal plasma The present invention provides methods and apparatus for decomposing toxic compounds so that reaction by-products produced thereby are selectively reduced. A method generally comprises: introducing a carrier gas, having a toxic compound entrained therein,... | 12/01/1998 |
| 5830328 | Contamination control of emission discharge The burning of material, including fuel and/or waste products, is performed ithin an incineration chamber heated above room-temperature while being supplied with high-power microwave radiation under conditions generating a plasma through which oxidation is... | 11/03/1998 |
| 5809911 | Multi-zone waste processing reactor system The novel waste treatment system of the invention employs multiple reactor zones for processing heterogeneous waste. In one embodiment, the reactor system (10) includes the following components: first (12) and second (14) solid waste feed subsystems; and ... | 09/22/1998 |
| 5795285 | Conversion of contaminated sediments into useful products by plasma melting A system for treating contaminated sediments dredged from waterways is disclosed. Dredged sediments are divided into coarse and fine fractions. The coarse fraction is washed to remove contaminants. The fine fraction and the contaminants removed from the c... | 08/18/1998 |
| 5766303 | Process for the remediation of lead-contaminated soil and waste battery casings Lead-contaminated soil and battery casings are remediated using a plasma arc furnace which pyrolyzes the soil and waste battery casings so as to form a vitrified slag and a combustible gas, respectively. The combustible gas along with volatilized lead (an... | 06/16/1998 |
| 5753087 | Multi-electrode corona discharge pollutant destruction apparatus and method A corona discharge pollutant destruction reactor employs two or more electrodes to enhance the effective corona discharge treatment volume by distributing a varying electric field pattern over the reactor's interior chamber. Appropriate delay circuitry al... | 05/19/1998 |
| 5681434 | Method and apparatus for ionizing all the elements in a complex substance such as radioactive waste and separating some of the elements from the other elements This invention provides methods and apparatus for ionizing all the elements in a complex substance such as radioactive waste and for separation of some of the elements from the other elements. One principal methods utilizes plasma confinement by toroidal ... | 10/28/1997 |
| 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 |
| 5609736 | Methods and apparatus for controlling toxic compounds using catalysis-assisted non-thermal plasma The present invention provides methods and apparatus for decomposing toxic compounds so that reaction by-products produced thereby are selectively reduced. A method generally comprises: introducing a carrier gas, having a toxic compound entrained therein,... | 03/11/1997 |
| 5569810 | Method of and system for processing halogenated hydrocarbons System for and a method of fixing chlorofluorocarbons or other halogenated hydrocarbons, for example, CHF3 or CCl2 F2 recirculated and collected or discharged from a dry etching apparatus, so as to make the chlorofluorocar... | 10/29/1996 |
| 5541386 | Plasma arc decomposition of hazardous wastes into vitrified solids and non-hazardous gasses A disposal of waste material including water, volatile components and vitrifiable components, the waste material is heated in a dehydrator to remove the water, heated in a high-temperature dryer to vaporize hydrocarbon liquids, and then fed to the focus p... | 07/30/1996 |
| 5534659 | Apparatus and method for treating hazardous waste An apparatus and method suitable for treating hazardous and non-hazardous waste materials composed of organic and inorganic components is disclosed. The apparatus includes a plasma heating system and off-gas processing which converts the waste to benign s... | 07/09/1996 |
| 5498826 | Plasmatron with steam as the plasma gas and process for stable operation of the plasmatron The present invention refers to a plasmatron as well as to a process for stable operation of plasmatrons with steam as the plasma gas, in the case of which the operational fluctuations which are typical of steam plasmas as well as the increased degree of ... | 03/12/1996 |
| 5284503 | Process for remediation of lead-contaminated soil and waste battery Lead-contaminated soil and battery casings are remediated using a plasma arc furnace which pyrolyzes the soil and waste battery casings so as to form a vitrified slag and a combustible gas, respectively. The combustible gas along with volatilized lead (an... | 02/08/1994 |
| 5187344 | Apparatus for decomposing halogenated organic compound A halogenated organic compound is introduced into a plasma. In the plasma state, substances are very reactive and chemical substances which are not readily decomposed such as halogenated organic compounds are decomposed in a short time. Specifically, in a... | 02/16/1993 |
| 5134946 | Neutralizer for toxic and nuclear waste A method and apparatus are disclosed wherein toxic and nuclear waste are pumped in a metered fashion or introduced through a sealing door into a plasma region. The plasma region is generated in a sealed chamber by a radio frequency plasma torch. In the pl... | 08/04/1992 |
| 5090340 | Plasma disintegration for waste material Apparatus and method for the disintegration of waste by subjecting the waste within a closed chamber to plumes of an electrically generated high temperature plasma. The chamber is lined with an array of nozzles to produce the plumes and the nozzles are su... | 02/25/1992 |
| 5026464 | Method and apparatus for decomposing halogenated organic compound A halogenated organic compound is introduced into a plasma. In the plasma state, substances are very reactive and chemical substances which are not readily decomposed such as halogenated organic compounds are decomposed in a short time. Specifically, in a... | 06/25/1991 |
| 4644877 | Plasma pyrolysis waste destruction A method and apparatus are disclosed for the pyrolytic destruction of toxic or hazardous waste materials using equipment that is compact and transportable. The waste materials are fed into a plasma arc burner where they are atomized and ionized, and then ... | 02/24/1987 |
| 4631384 | Bitumen combustion process Process for the combustion of bitumen, wherein the bitumen is softened by preheating and is then introduced into a combustion chamber, traversed by oxygen in excess subject to ionization by an intense ultra-high frequency field, so as to raise the surface... | 12/23/1986 |
| 4615285 | Method of destroying hazardous wastes The invention relates to a method of destroying hazardous waste, by means of under-stoichiometric incineration at a temperature of at least 1200° C., the ratio between injected waste material and oxidant being regulated to give a quotient CO2 ... | 10/07/1986 |
| 4509434 | Procedure and equipment for destroying waste by plasma technique Fluid waste material is completely atomized and decomposed in a burner wherein the material to be decomposed and an oxidizing agent are maintained at a suitable relative ratio at every point in the burner so that waste transforms into a stable combustion ... | 04/09/1985 |
| 4508040 | Method and plant for conversion of waste material to stable final products The invention relates to a method and plant for converting waste material containing and/or comprising thermally disintegratable chemical substances to stable final products such as CO2, H2 O and HCl, the waste material being subject... | 04/02/1985 |
