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Class 588/317 - By hydrolysis (EPO/JPO)


Subclass of Class 588 - Hazardous or toxic waste destruction or containment
Definition: Subject matter wherein water is used to chemically change
No. of patents: 58
Last issue date: 01/11/2011


1    
NumberTitleIssue Date
7868220Degradation of phosphate esters by molybdocene and tungstocene derivatives
Degradation of phosphate esters, particularly neurotoxins and pesticides, is performed using metallocene derivatives, more particularly molybdocene and tungstocene derivatives. A metallocene derivative is hydrolyzed and then reacted with a phosphate ester. The prefe...
01/11/2011
7347980Process for treating fluorine compound-containing gas
A gas stream containing at least one fluorine compound selected from the group consisting of compounds of carbon and fluorine, compounds of carbon, hydrogen and fluorine, compounds of sulfur and fluorine, compounds of nitrogen and fluorine and compounds of carbon, h...
03/25/2008
7282470Decontamination formulation with sorbent additive
A decontamination 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, and toxic industrial chemicals. The formulation provides so...
10/16/2007
7128882Method and apparatus for treating perfluorocompounds
In a PFC decomposing apparatus according to the present invention, PFC contained in a discharged gas is decomposed in catalyst cartridge 3 packed with a catalyst containing 80% Al2O3 and 20% NiO. The discharged gas containing acid gases ...
10/31/2006
7055325Process and apparatus for generating power, producing fertilizer, and sequestering, carbon dioxide using renewable biomass
A process and apparatus are described for generating electrical energy using grains or other renewable biomass as the fuel, and for producing fertilizer to grow subsequent crops. In the process, a biomass material is incinerated in a firebox of a boiler to power a f...
06/06/2006
7005117Method 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 NH3 gas with an exhaust gas containing a perfluorocarbon or a perfluorocompound discharged from manu...
02/28/2006
6977049Treatment process for industrial waste stream
A process for treating an industrial waste stream containing a borane compound including contacting the industrial waste stream with a resin carrying an oxidation catalyst that is capable of oxidizing the borane compound to boric acid. ...
12/20/2005
6960701Neutralization of vesicants and related compounds
A process for the destruction of vesicants, nerve agents, and related chemical compounds is described. Blister-type chemical agents such as lewisite and mustards, as well as G or V Class nerve agents and phosphorus-containing pesticides, are reacted with a neutralen...
11/01/2005
6660900Process for the non-incineration decontamination of materials containing hazardous agents
A process for the low temperature, non-incineration decontamination of contaminated materials, such as chemical weapon components containing residual quantities of chemical warfare agents. The process includes the steps of (a) preparing a feed mixture con...
12/09/2003
6650059Method 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
6622523Method 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 hydrogenated compounds are reacted at elevated temperature with wat...
09/23/2003
6242663Powerful reductant for decontamination of groundwater and surface streams
The disclosed invention relates to a composite material for use in recovery of radionuclides, metals, and halogenated hydrocarbons from aqueous media. The material has very high surface area, and includes nanometer sized, zero-valent iron on a support. Th...
06/05/2001
6238568Hydrothermal 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 the reaction chamber (14). The additive (16) causes a rea...
05/29/2001
6072099Process for low temperature pyrolysis of dioxins
Pyrolysis of dioxins adsorbed on a carbonaceous adsorbent such as activated carbon or activated cokes is carried out with much higher efficiency by heating a dioxins-adsorbed carbonaceous adsorbent in the presence of an alkali component in an oxygen-defic...
06/06/2000
6057488Nanoparticles for the destructive sorption of biological and chemical contaminants
A method is provided for destroying a target component, such as hydrocarbons, halogenated hydrocarbons, diethyl-4-nitrophenylphosphate (paraoxon), 2-chloroethyl ethyl sulfide (2-CEES), dimethylmethylphosphonate (DMMP), bacteria such as Bacillus Cereus, ...
05/02/2000
6045663Process for microwave enhancement of wet oxidation
Wet oxidation is enhanced in the presence of carbonaceous material by oxidizing adsorbed organic materials, such as hydrazine and various solvents which may contain, or have dissolved or mixed compounds containing, chlorine molecules, on the carbon surfac...
04/04/2000
5837149Method for hot and supercritical water oxidation of material with addition of specific reactants
This invention relates to a process for the decomposition of material selected from the group consisting of organic compounds, inorganic compounds, or combinations thereof to compounds which are environmentally acceptable, or are amenable to further degra...
11/17/1998
5753034Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of a hexafluorosilicate salt, and free of or having only small amount...
05/19/1998
5753035Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an inorganic acid, and from about 0.1 to about 4% by weight of a t...
05/19/1998
5753033Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of a boron tetrafluoride salt, free of or having only small amounts o...
05/19/1998
5753032Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of phosphoric acid, and from about 0.1 to about 4% by weight of a sou...
05/19/1998
5746926Method for hydrothermal oxidation of halogenated organic compounds with addition of specific reactants
This invention relates to a process for the decomposition of material selected from halogenated organic compounds, to compounds which are environmentally acceptable, or are amenable to further degradation by conventional disposal systems to produce enviro...
05/05/1998
5630854Method for catalytic destruction of organic materials
A method is disclosed for converting waste organic materials into an innocuous product gas. The method comprises maintaining, in a pressure vessel, in the absence of oxygen, at a temperature of 250° C. to 500° C. and a pressure of at least 50 atmosphere...
05/20/1997
5620606Method and apparatus for reacting oxidizable matter with particles
Method/system of adding solid particles to inhibit or prevent plugging in a reactor at conditions such that the temperature and pressure are at least in the vicinity of supercritical conditions for water. Particles may be added in conjunction with a pH-ad...
04/15/1997
5612008Process for treating solid waste containing volatilizable inorganic contaminants
A process for the removal of volatilizable inorganic contaminants from solid waste is provided. The process comprises the steps of: (a) providing solid waste containing volatilizable inorganic contaminants; (b) heating the waste to a temperature sufficien...
03/18/1997
5608136Method and apparatus for pyrolytically decomposing waste plastic
Disclosed is a method and an apparatus for pyrolytically decomposing waste plastic, e.g. PVC, to recover light fuel oil. The invention enables to prevent the product from contamination by halogen compounds. The plastic is first thermally decomposed in an ...
03/04/1997
5607654Method for minimizing environmental release of toxic compounds in the incineration of wastes
A method and apparatus for minimizing the environmental release of acids and toxic organic compounds from a waste incinerator-air pollution control train. The apparatus comprises an incinerator, a gas cooling means such as a waste heat boiler or quench ch...
03/04/1997
5602295Methods for the elimination of cyanides in the dehalogenation of halofluorocarbons
Ozone depleting fluorocarbon compounds are dehalogenated through more economic reduction reaction with solvated electrons formed from lower equivalents of reactive metals than previously used by reacting the partial reduction products with nitrogen-contai...
02/11/1997
5602296Process for in-situ bidegradation of chlorinated aliphatic hydrocarbons by subsurface hydrogen injection
The present invention provides a method for stimulating in-situ microbial biodegradation of halogenated organic compounds in an aqueous subsurface environment comprising the delivery of hydrogen, in the absence of nutritional factors, into the subsurface ...
02/11/1997
5584071Disposal method and apparatus for highly toxic chemicals by chemical neutralization and encapsulation
An apparatus and method for disposing of highly toxic chemicals including the steps of chemical neutralization of the highly toxic chemical so as to substantially detoxify the chemical and encapsulation of the neutralized highly toxic chemical in a materi...
12/10/1996
5574202Technique for processing poison gases
A technique for degrading a chemical warfare poison gas to render it innocuous. The toxic compound to be so treated is conducted through a reactor containing an anhydrous liquid halide which acts as a catalyst to degrade the toxic compound without yieldin...
11/12/1996
5571424Internal platelet heat source and method of use in a supercritical water oxidation reactor
A process and apparatus for the supercritical water oxidation of organic waste materials which avoids or at least substantially reduces the corrosion and solids deposition problems associated with prior art techniques and which provides for efficient heat...
11/05/1996
5571423Process and apparatus for supercritical water oxidation
An improved process and apparatus are disclosed for the supercritical water oxidation of organic waste materials which avoids or at least substantially reduces the corrosion and solids deposition problems associated with prior art techniques. According to...
11/05/1996
5550311Method and apparatus for thermal decomposition and separation of components within an aqueous stream
An apparatus and method for treating materials that present disposal problems is provided. The treatment takes place within an aqueous stream and in an oxygen-deficient multiple zone system, and results in the thermal decomposition and/or separation of co...
08/27/1996
5498827Hydrothermal treatment and partial oxidation of plastic materials
A process for upgrading plastic material containing inorganic filler or reinforcement material for use as feedstock in partial oxidation gas generator for the production of raw synthesis gas, fuel gas, or reducing gas. The plastic material is granulated a...
03/12/1996
5498826Plasmatron 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
5258562Method for treating asbestos
A method for treating asbestos-containing material for removing such material from a substrate where it is installed and for destroying the asbestos in such asbestos-containing material, comprising wetting the material with an aqueous solution containing ...
11/02/1993
5252307Method of processing chlorosilane distillation residues with steam
A method for processing chlorosilane distillation residues by hydrolysis with steam, in which the hydrolysis is carried out at escalating temperatures from about 130° C. to at least 170° C....
10/12/1993
5252190Method for removing a harmful substance selected from the group consisting of ethylene, mercaptans, amines, and aldehydes
A harmful substance remover, which is used to remove any of ethylene, mercaptans, amines and aldehydes, is a solid product having a specific surface area of 100 m2 /g or more obtained by hydrolyzing a metal alkoxide in the presence or absence o...
10/12/1993
5245121Reduced leaching of heavy metals from incinerator ashes
A waste material which contains chromium and/or lead impurities is treated by mixing the waste material with diatomaceous earth and/or sodium borate and then heating the mixture in a free oxygen containing gas at about 500°-1500° C., preferably in the p...
09/14/1993
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