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7605297 |
Method for extracting impurities using ionic liquids
The invention relates to a process for the extractive removal of phenols, alcohols, amines, phoshines, hydroxylamines, hydrazines, oximes, imines, water, carboxylic acids, amino acids, hydroxamic...
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7390432 |
Enhanced formulations for neutralization of chemical, biological and industrial toxants
An enhanced formulation and method of making that neutralizes the adverse health effects of both chemical and biological compounds, especially chemical warfare (CW) and biological warfare (BW)...
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7276640 |
Metal oxide nanoparticles for smoke clearing and fire suppression
Methods of reducing smoke levels in smoke-affected areas, reducing the level of toxic compounds produced by fires, fire suppression, and increasing flame retardancy. In particular, methods...
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7265254 |
Waste processing method, waste processing system, integrated waste processing method, and integrated waste processing system
Chlorine-containing waste is processed inside a heating device, an alkali metal compound and a calcium compound are given into the heating device while the temperature of a solid phase inside the...
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7183453 |
Method for treating infectious waste matter
A system and method is provided for producing a safely disposable end product from waste matter containing undesirable materials, such as infectious, biohazardous, hazardous, or radioactive...
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7160526 |
Process for detoxification of CCA-treated wood
A chemical process for detoxifying spent CCA (copper, chrome, arsenic)—treated wood, from which CCA and detoxified wood are recovered for recycling comprising the steps of (a) treating...
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7132513 |
Bifunctional chelating agent
The invention concerns a ligand comprising wherein n is an integer from 1 to 5, X represents —NO 2 , —NH 2 , —NCS, —NHCOCH 2 -Z. NHCO—W—COCNHS, —NH-Q, —NHCS-Q, —NHCOCH 2 -Q, or...
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7125497 |
Reactive formulations for a neutralization of toxic industrial chemicals
Decontamination formulations for neutralization of toxic industrial chemicals, and methods of making and using same. The formulations are effective for neutralizing malathion, hydrogen cyanide,...
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7045606 |
Bifunctional chelating agent for actinium
The invention concerns a ligand comprising (I) wherein n is an integer from 1 to 5 Y is CO2H or PO3H2T represents —X or -phenyl-X, wherein X represents NO2, NH2, NCS, NHCOCH2-Z,...
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7034198 |
Method for decomposing plastic
A conventional method of pyrolytically decomposing plastic to make low-molecular compounds is poor in efficiency of use of energy due to high heating temperatures (at least 600° C. and 800° C. at...
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7005117 |
Method for removing harmful components in an exhaust gas
A method of removing harmful components of a perfluorocarbon gas or a perfluorocompound including the step of mixing at least one of a hydrocarbon gas and NH 3 gas with an exhaust gas containing a...
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6748842 |
Darts containing explosives for defeating buried mines
The invention, as embodied herein, comprises a kinetic energy driven projectile for defeating unexploded ordnance or buried land mines. This projectile has been developed to address the specific...
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6723890 |
Concentrated formulations and methods for neutralizing chemical and biological toxants
A formulation and method of making and using that neutralizes the adverse health effects of both chemical and biological toxants, especially chemical warfare (CW) and biological warfare (BW)...
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6692715 |
Silica nanofibers and method for preparing them
Disclosed are novel silica gel nanofibers having an outer diameter lower than 100 nm, a length of up to 1 cm, a specific surface area of from 600 to 1000 m 2 /g and pore diameters of from 2 to 10...
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6688811 |
Stabilization method for lead projectile impact area
A method for reducing the leaching of lead from a lead projectile impact area acting to collect or stop such projectiles includes contacting the lead projectile impact area with a seed of dry...
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6670520 |
Reductive amination for aldehyde neutralization
Methods, compositions, and devices for alleviating the problems of toxic discharge of aldehydes present in waste streams are disclosed. The methods relate to reducing neutralized aldehydes wherein...
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6668947 |
Drill cutting treatment method
A method and apparatus for treating for disposal oil-contaminated clay substrates such as drill cuttings from drilling with an oil-based mud. If necessary, the substrate is pretreated with an...
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6649044 |
Process for the reductive dehalogenation of halogenated hydrocarbons
The present invention relates to a process for the reductive dehalogenation of halogenated hydrocarbons. It comprises reacting halogenated hydrocarbons with a reducing metal and a hydrogen donating...
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6638204 |
Method of disposal of waste containing heavy metal
(A) Heavy metal-containing wastes are kneaded in melt with (B) an alkali metal compound or an alkaline earth metal compound and (C) sulfur, or with (E) a sulfide, or with these along with (D) a...
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6638488 |
Method and apparatus for removing organic hazardous substances using selected solvents
Method and apparatus for isolating, decomposing, and fixing the organic hazardous substances in a stable manner using chemical techniques and isolating and decomposing the organic hazardous...
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6622523 |
Method of converting halogenated compounds to glass
The present invention provides a two stage process of thermal separation of CFCs and HCFCs followed by vitrification of the waste into a commercially viable glass. In the first stage, the...
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6623646 |
In-situ chemical oxidation-reduction and precipitation of heavy metals in soils and groundwater
A method is taught for converting metal contaminants in the soil to less toxic forms as well as permitting their removal from groundwater. A first reactive solution comprising ferrous sulfate and...
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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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6603050 |
Destruction of energetic materials
Improved apparatus and approaches are described for destruction of energetic materials. The approaches include hydrolysis of the energetic materials by combining a volatile base and water with the...
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6590133 |
Reducing lead bioavailability
A method for reducing the solubility of lead during digestion or in the environment has been developed. Lead is incorporated into a solid material formed by the in situ oxidation of iron. This can...
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6570048 |
Method for oxidizing organophosphorous compounds
Organophosphorous compounds containing C—P chemical bonds are oxidized with alkaline peroxysulfate to yield orthophosphates. For example, phosphinates, including certain chemical warfare agents,...
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6566574 |
Formulations for neutralization of chemical and biological toxants
A formulation and method of making that neutralizes the adverse health effects of both chemical and biological compounds, especially chemical warfare (CW) and biological warfare (BW) agents. The...
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6551026 |
Method of remediating heavy metal-containing soil
A method of remediating soil that contains heavy metals comprises the steps of removing and sieving heavy metal-containing soil to separate stones and gravel, and treating the sieved soil, in a...
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6490887 |
Method for converting polychlorinated biphenyl oil into a resource, agent for decomposing polychlorinated biphenyl oil, and reclaimed material
The method for converting harmful polychlorinated biphenyl (PCB) oil into a resource includes chemical decomposition treatment, pelletizing treatment and thermal decomposition treatment. The...
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6490984 |
Method of making flue gas harmless
Formation of dioxins in flue gases is inhibited by contacting the flue gas with at least one of sodium phosphite, calcium phosphate, sodium hypophosphite, and calcium as reducing agents preferably...
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6479723 |
Process for chemical destruction of sulphur mustard
A process for the chemical destruction of sulphur mustard by chemical conversion which comprises in the step of reacting sulphur mustard with a thiophilic agent prepared by dissolving sulphur in...
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6465707 |
Method of treatment of halogenous, organic waste material
Halogenous, organic waste material such as PVC is subjected to a hydrolysis treatment by suspending 1 part by weight of the waste material in comminuted state in 1-10 parts by weight of water in...
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6462250 |
Method for decomposing halogenated aliphatic hydrocarbon compounds having adsorption process and apparatus for decomposition having adsorption means
Process and apparatus for decomposing halogenated aliphatic hydrocarbon compounds in the presence of functional water under light irradiation, where the target substance for decomposition contained...
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6444183 |
Agent for eliminating heavy metals comprising a phosphate compound
The invention concerns an agent for eliminating heavy metals contained in an aqueous effluent comprising: an alkaline metal silicate, an alkaline metal carbonate; a phosphate compound, for example...
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6437211 |
Methods for treatment and disposal of regulated medical waste
A method for safely treating and disposing of infectious biomedical waste and other hazardous materials is disclosed. The method involves alkaline hydrolysis of infectious agents contained in...
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6416251 |
Process for the stabilization of soluble chromium contaminated solid by down draft sintering
The invention relates to a process for the stabilisation of soluble chromium in contaminated solids by down draft sintering by mixing chromium contaminated solids with different proportions of CaO,...
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6414143 |
Extraction and recovery of nitramines from propellants, explosives, and pyrotechnics
Nitramine oxidizers are recovered from propellant, explosive, and pyrotechnic materials with a concentrated mineral acid bath, preferably comprising 70 to 90 wt. % nitric acid, that serves to...
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6399850 |
Aldehyde neutralizer
Methods and a system of using amino acids are disclosed as being useful in neutralizing aldehydes in waste. These neutralizers allow waste containing aldehyde to be more safely and cheaply disposed.
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6388164 |
DMSO/base hydrolysis method for the disposal of high explosives and related energetic materials
High explosives and related energetic materials are treated via a DMSO/base hydrolysis method which renders them non-explosive and/or non-energetic. For example, high explosives such as...
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6388163 |
Method for chemically inactivating energetic materials and forming a nondetonable product therefrom
A method for rendering nondetonble energetic materials, such as are contained in or removed from decommissioned ordnance. The energetic materials are either combined with epoxy hardener or are...
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6383362 |
Process and apparatus for eliminating dioxins
Dioxins are eliminated from soot by conversion into oil and water. A gas stream of smoke and dioxin-entraining ash is passed through a curtain of water in a separator to separate the...
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6383128 |
Method of in situ immobilization and reduction of metal bioavailability in contaminated soils, sediments, and wastes
Improved methods and compositions for decreasing the bioavailability of metals in soil are provided. Broadly, the methods comprise mixing a source of phosphorus and an oxide of manganese with the...
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6379083 |
Method for the remediation of soil contaminated with organic halide compounds
A method for the remediation of contaminated soil comprising causing a carbonic acid aqueous solution to penetrate into the soil to liberate and remove contaminants contained in the soil.
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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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6329496 |
Method for processing chlorine-containing organic compounds
A method for processing chlorine-containing resins and chlorine-containing organic compounds includes thermally decomposing chlorine-containing resins, chlorine-containing organic compounds, or...
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6284940 |
Method for decomposing halogenated organic compound
By reaction of halogenated organic compounds with at least one amino acid compound selected from a group consisting of amino acid, polyamino acid, amino acid salts and polyamino acid salts under...
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6251258 |
Method and apparatus for removing toxic substances from waste marine products
In an electrolytic bath, an extraction part extracts heavy metal in the internal organs of scallops into an acid solution. A direct current voltage is applied between electrodes, which are provided...
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6245958 |
Methods for non-incendiary disposal of rockets, projectiles, missiles and parts thereof
There is disclosed a method and apparatus for non-incendiary disposal of rockets, projectiles, missiles and similar devices and parts thereof. The method and apparatus employs a series of steps...
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6245957 |
Universal decontaminating solution for chemical warfare agents
A chemical warfare agent decontaminating composition of a mixture of a carbonate component, peroxide component, and alcohol component effective to degrade a chemical warfare agent. A method for...
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6238568 |
Hydrothermal processing with phosphate additive
A system (10) and method for hydrothermal treatment of a feed material (11) includes a reaction chamber (14) in a reactor (12). Importantly, an additive (16) is added with the feed material (11) to...
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