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7465843 |
Recycling system for a waste processing plant
A recycling system for a waste converting apparatus collects residues from a post-processing means and re-introduces the residues into the apparatus such that the residues are exposed to the high...
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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...
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7220396 |
Processes for treating halogen-containing gases
There are disclosed various processes, apparatuses and systems for treating a halogen-containing gas such as F 2 that involve generating a plasma in order to reduce chemically the...
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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...
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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...
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6761858 |
Method and apparatus for processing ashes of incinerator plants
In a method and apparatus for processing materials comprising ashes from waste incineration plants and mineral residues to condition them in a short time by washing them and by subjecting them to...
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H002102 |
Contamination control of gaseous emissions by corona-discharge generation of plasma
Contaminants within the gaseous emission discharged from an incinerator are eliminated during passage in parallel through reactor chambers by chemical reaction induced during exposure to plasma...
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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...
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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...
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6605750 |
Method for decomposition-treating organic halogen compound and decomposing device
A product gas generated through the decomposition reaction of organohalogen compounds and steam is neutralized with an alkali solution and is left to stand for a predetermined period of time, while...
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6576807 |
Method and apparatus for incinerating and vitrifying of waste, in particular radioactive waste
The present invention provides a method of processing organic waste (D) in divided solid and/or liquid form, the method being implemented in a single reactor ( 1 ) containing a bath of molten gas...
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6532768 |
Process for the vitrification of a pulverulent material and apparatus for implementing the process
The present invention relates to a vitrification process for a pulverulent material and an apparatus for implementing said process. The process consists in introducing the pulverulent material into...
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6491797 |
Methods of oxidizing organic contaminants in aqueous mediums using corona induced reactions
A method for oxidizing an organic contaminant in an aqueous medium generates H 2 O 2 in the aqueous medium through the use of a corona discharge procedure. A quantity of hydroxyl radicals is...
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6455014 |
Decontamination of fluids or objects contaminated with chemical or biological agents using a distributed plasma reactor
Apparatus for using a non-thermal plasma or corona discharge generated at multiple points and distributed to decontaminate surfaces and objects contaminated with chemical or biological agents. The...
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6425934 |
Gas generator disposal method and system therefor
A gas generator disposal method capable of disposing of large quantities of gas generators safely, efficiently and without contamination of environments, and a system therefor, the method...
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6395144 |
Method for treating toxic compounds-containing gas by non-thermal plasma
Disclosed is a non-thermal plasma method for treating a toxic compounds-containing gas; the method comprising the steps of: filling alkali earth metal catalysts and dielectrics within a plasma...
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6384292 |
Method for decomposition of chemical compounds
An apparatus for and method of decomposing a chemical compound, which may be an environmentally undesirable material, is accomplished by impinging a flow of the chemical compound on a heated...
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6376739 |
Process for treating damp residues containing polluting and/or toxic materials
A process for treating humid residues containing oxidizable organic mater. The process preferably comprises steps of: a) introducing the residues in a rotary furnace having a refractory lining and...
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6372156 |
Methods of chemically converting first materials to second materials utilizing hybrid-plasma systems
In one aspect, the invention encompasses a method of chemically converting a first material to a second material. A first plasma and a second plasma are formed, and the first plasma is in fluid...
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6303007 |
Plasma injector
A plasma injector for creating a plasma discharge includes a hollow, substantially cylindrical-shaped waveguide, and a coaxial dielectric loaded cavity. The waveguide is specifically dimensioned to...
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6187206 |
Thermal plasma reactor and wastewater treatment method
The invention relates to a reactor for the treatment of wastewater solutions containing cyanide and other dissolved organic material, having an elongated tube having an entrance (28) and an exit...
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6160238 |
Tunable molten oxide pool assisted plasma-melter vitrification systems
The present invention provides tunable waste conversion systems and apparatus which have the advantage of highly robust operation and which provide complete or substantially complete conversion of...
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6153158 |
Method and apparatus for treating gaseous effluents from waste treatment systems
Effluents from a waste treatment operation are incinerated and oxidized by passing the gases through an inductively coupled plasmas arc torch. The effluents are transformed into plasma within the...
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6127645 |
Tunable, self-powered arc plasma-melter electro conversion system for waste treatment and resource recovery
The present invention provides a relatively compact self-powered, tunable waste conversion system and apparatus which has the advantage of highly robust operation which provides complete or...
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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...
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6037560 |
Enhanced tunable plasma-melter vitrification systems
The present invention provides tunable waste conversion systems and apparatus which have the advantage of highly robust operation and which provide complete or substantially complete conversion of...
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6018471 |
Methods and apparatus for treating waste
Methods and apparatus for treating waste are provided. Waste is converted in an arc plasma-joule heated melter system utilizing one or more arc plasma electrodes and a plurality of joule heating...
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5920799 |
Method for the treatment of substrates
The invention provides methods and apparatus for treating substrates and hazardous biological wastes. According to one exemplary method, at least one substrate is placed into a chamber and a vacuum...
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5877394 |
Method for treating waste containing stainless steel
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...
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5866753 |
Material processing
A material treatment process and apparatus are described, wherein the formation within a pyrolyser of a plasma having a temperature of at least 10,000° C. into which material to be treated is...
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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...
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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...
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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:...
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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....
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5788735 |
Process for 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,...
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5770784 |
Systems for the treatment of commingled wastes and methods for treating commingled wastes
Improved methods for the treatment of commingled wastes and process systems for practicing those methods are provided. The methods are practiced by first treating the commingled waste material in a...
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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.
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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...
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5678243 |
Process for the in-situ detoxification of aminoalkyl phosphonothiolates by hydrolysis
A process for the detoxification or decontamination of aminoalkyl phosphonothiolates and more particularly, the chemical warfare agent VX and its analogs. The process comprises adding water to the...
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5637127 |
Plasma vitrification of waste materials
This invention provides a process wherein hazardous or radioactive wastes in the form of liquids, slurries, or finely divided solids are mixed with finely divided glassformers (silica, alumina,...
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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...
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5569810 |
Method of and system for processing halogenated hydrocarbons
System for and a method of fixing chlorofluorocarbons or other halogenated hydrocarbons, for example, CHF 3 or CCl 2 F 2 recirculated and collected or discharged from a dry etching apparatus, so...
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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...
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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...
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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...
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5439568 |
Method for treating ozone layer depleting substances
A method for treating ozone layer depleting substances, in which a gaseous composition comprising helium or argon or a mixture thereof, or a gaseous mixture of argon and acetone, is introduced into...
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5399833 |
Method for vitrification of fine particulate matter and products produced thereby
The present invention provides a method for the melting and subsequent solidification of fine particulate material by use of a plasma torch. The fine particulate material is introduced into a...
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5363781 |
Plasma torch-jet liquid waste treatment device
The present invention comprises an apparatus for processing liquid or gas waste. The apparatus includes a high temperature plasma means for generating a high temperature in a plasma torch area. The...
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5354962 |
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...
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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...
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