Class / Patent application number | Description | Number of patent applications / Date published |
588320000 | By oxidation; by combustion (EPO/JPO) | 29 |
20080207981 | Soil remediation method and composition - A method for in-situ reduction of contaminants in soil. | 08-28-2008 |
20080221380 | Soil decontamination by mechanically activated oxidation - A method of performing soil decontamination including mechanically mixing the soil with solid oxidant prior to any addition of water and until an exothermic reaction between the oxidant and contaminants within the soil occur, adding only necessary water to obtain an homogeneous mix between the soil and the oxidant, and mechanically mixing the soil with the oxidant and the water for a predetermined period of time to allow the oxidant to at least partially oxidize the contaminants. | 09-11-2008 |
20080275288 | Encapsulated Reactant and Process - An encapsulated reactant(s) having at least one encapsulant and at least one reactant. An outermost encapsulant is substantially nonreacting, impermeable and nondissolving with water. The reactant(s) contribute to at least one reaction with contaminants in environmental media rendering the environmental media less harmless. Processes for using the encapsulated reactant in environmental media is also hereby claimed. | 11-06-2008 |
20090069622 | CHEMICAL INJECTION USING AN ADJUSTABLE DEPTH AIR SPARGING SYSTEM - A supplemental fluid adjustable depth air sparging system which is used to remediate contaminants from groundwater within the soil. An adjustable depth air injection point injects compressed air mixed with a chemical oxidizer or nutrient into saturated or groundwater regions of the soil's subsurface to remove contaminants including chlorinated solvents from the soil's subsurface. | 03-12-2009 |
20090112044 | Detoxification of chemical agents - This invention provides a process for the detoxification of chemical agents including chemical warfare agents such as sulfur mustards, nitrogen mustards, nerve agents of G and V type, lewisite and adamsite by reacting the chemical agents with hydroxyl radicals at a pH greater than 7.0 to detoxify the agents and to render them suitable for disposal. The process can be used on-site and can be easily scaled to fairly large sizes. | 04-30-2009 |
20090124844 | METHOD OF DETOXIFICATION TREATMENT FOR FILTER WITH PERSISTENT SUBSTANCE ADHERING THERETO - A method for detoxifying a filter including the step of subjecting a filter with a hardly decomposable substance adhering thereto to chemical decomposition without desorbing the hardly decomposable substance from the filter. | 05-14-2009 |
20090292155 | Chemical Oxidation Method and Compounds - A method and system for the reduction of contamination in soil and groundwater is provided. A clathrate of ozone and a cyclic oligosaccharide can provide for an extended zone of influence due to, for instance, the improved stability of the ozone. The clathrate can include cyclodextrin and ozone and can improve the oxidative destruction of organic and inorganic contaminants. | 11-26-2009 |
20100010284 | DECONTAMINATION FORMULATIONS - The present application is concerned with compositions for providing phase-stable microemulsion decontamination formulations for treating surfaces, and in particular for treating surfaces contaminated with chemical and/or biological warfare agents. | 01-14-2010 |
20100010285 | DECONTAMINATION SYSTEM - A composition including at least one peroxide-generating electrocatalyst, at least one peroxide-activation catalyst, and carbon. | 01-14-2010 |
20100121128 | Method and apparatus for thermochemical conversion of materials - A system for treating carbon-containing or silicon-containing end-of-life material includes a reactor | 05-13-2010 |
20100185039 | METHOD FOR EXTRACTION AND SURFACTANT ENHANCED SUBSURFACE CONTAMINANT RECOVERY - Methods and compositions for removing contaminants from soil and groundwater by extracting the contaminants and assisting the extraction by provision of an oxidant introduced prior to or simultaneously with a surfactant into the subsurface. Extractable contaminant can be extracted from the subsurface. The amount and/or distribution of contaminant in the subsurface can be characterized. The extracting of contaminant and the introducing of oxidant and surfactant can be coordinated to reduce contaminant to a target amount. A portion of the contaminant can be oxidizable. | 07-22-2010 |
20100274068 | METHOD AND SYSTEM FOR WASTEWATER TREATMENT - A method for treating waste water is provided, in which a wastewater is treated through a distilling process to obtain a distilled liquid, and then a reactant is added into the distilled liquid during the distilled liquid flowing to a liquid collecting tank, such that the reactant reacts with the distilled liquid by utilizing the residual temperature of the distilled liquid to form a processed liquid. Meanwhile, a system for wastewater treatment is also provided, which includes a distillation unit, a guiding unit, a means for adding the reactant, and a collecting unit. Since the present invention utilizes the residual temperature of the distilled liquid for the need of the reaction, an additional heat source is unnecessary, such that the consumption of energy can be greatly reduced. | 10-28-2010 |
20110004044 | HYDROCARBON DECOMPOSITION FOR SOIL AND WATER REMEDIATION - Presented herein are compositions including a linear tenso-active surfactant which, upon contact and mechanical stirring of a hydrocarbon body, induces emulsification, resulting in oxidation of fatty acid aliphatic bodies. The compositions solve the problem of hydrocarbon pollution. The hydrocarbon decomposer and its by-products dissolve hydrocarbons present in polluted bodies such as clays, soils, water and sand. Methods of the invention create a residue that is a fertilizer, at room temperature and with no need for high pressure. | 01-06-2011 |
20110071334 | FOAMING DECONTAMINATING AQUEOUS SOLUTION - The invention relates to a foaming decontaminating aqueous solution, characterized in that it comprises, by weight relative to the total weight of the composition:
| 03-24-2011 |
20110178358 | Method Of Decomposing Waste Plastic/Organic Material Using Titanium Oxide Granule With Optimal Particle Property - Provided is a method of decomposing plastic and organic waste by using titanium oxide granules which are easily separated from metals and inorganic substances, have a highly efficient decomposing capability, and have a characteristic of fine powder formation resistance during pyrolysis. More specifically, the method of decomposing plastic and organic waste by using titanium oxide granules which are easily separated from metals and inorganic substances, have a highly efficient decomposing capability, and have a characteristic of fine powder formation resistance during pyrolysis has been established by optimizing the characteristics of titanium oxide granules. | 07-21-2011 |
20110237857 | PROCESS FOR THE DESTRUCTION OF TOXIC RESIDUES VIA OXIDATION IN PRESENCE OF WATER AND OXYGEN AND CONTINUOUS MOBILE UNIT TO TREAT HAZARDOUS COMPOUNDS - Process for the destruction of toxic residues via oxidation in the presence of water and oxygen developed in homogenous phase at temperatures over 374° C. and pressure of at least 220 atmospheres and a continuous mobile unit easily transferred to treat effluents or contaminated media. This mobile unit is composed of a reactor, which includes pressurization, reaction, cooling, depressurization and sampling zones for the destruction of toxic residues like polychloride biphenyls (PCBs), pyridines, and other hazardous compounds. | 09-29-2011 |
20110275878 | Method for the Degradation of Pollutants in Water and/or Soil - The present invention relates to a method for the degradation of pollutants in water and/or soil. More specific, the present invention relates to a method for the on-site decontamination or re-mediation of water and/or soil which are contaminated with organic compounds. Moreover, the invention relates to a method for forming a barrier against the spreading of a contamination with pollutants within the water and/or soil, especially within groundwater (aquifer). Further, the invention relates to means for use in these methods, and to the production of such means. | 11-10-2011 |
20120016173 | METHOD FOR TREATING A NITRIC AQUEOUS LIQUID EFFLUENT BY CALCINATION AND VITRIFICATION - A method for treating a nitric aqueous liquid effluent containing nitrates of metals or metalloids, comprising a step for calcination of the effluent in order to convert the nitrates of metals or metalloids into oxides of said metals or metalloids, at least one compound selected from the nitrates of metals or metalloids and the other compounds of the effluent leading upon calcination to a tacky oxide, and a dilution adjuvant comprising at least one nitrate of metal or metalloid leading upon calcination to a non-tacky oxide being added to the effluent prior to the calcination step in order to give a mixture of effluent and of dilution adjuvant. | 01-19-2012 |
20120149963 | Process for the destruction of sulfur and nitrogen mustards and their homologous/analogous at ambient conditions - The subject invention provides a potentially economically viable process for the destruction of small to large quantities of sulfur and nitrogen mustards and lewisite, their homologous/analogues, and similar chemical warfare agents at ambient conditions without producing any toxic by-products. The process uses the superoxide ion that is either electrochemically generated by the reduction of oxygen in ionic liquids or chemically by dissolving Group 1 (alkali metals) or Group 2 (alkaline earth metals) superoxides, e.g. potassium superoxide, in ionic liquids. | 06-14-2012 |
20120149964 | Process for the destruction of sulfur and nitrogen mustards, lewisite, and their homologous/analogues in deep eutectic solvents - The subject invention provides a potentially economically viable process for the destruction of small to large quantities of sulfur and nitrogen mustards and lewisite, their homologous/analogues, and similar chemical warfare agents at ambient conditions without producing any toxic by-products. The process uses the superoxide ion that is either electrochemically generated by the reduction of oxygen in deep eutectic solvents or chemically by dissolving Group 1 (alkali metals) or Group 2 (alkaline earth metals) superoxides, e.g. potassium superoxide, in deep eutectic solvents. | 06-14-2012 |
20130338421 | METHOD FOR PROCESSING USED CARBON-CONTAINING CATHODE MATERIAL - In a method for processing used cathode material containing carbon, in particular used cathode troughs from aluminum production, the cathode material is put into a shaft furnace and, in order to gasify carbon, is subjected to a thermal treatment in the shaft furnace at a temperature above the ignition temperature of the carbon and above the evaporation temperature of toxic substances contained in the used cathode material. The reaction gases are conducted co-current with the carbon in a first longitudinal section of the shaft furnace and countercurrent to the carbon in a second longitudinal section of the shaft furnace. The reaction gases are drawn from a region of the shaft furnace having an enlarged cross-section between the longitudinal sections and are preferably subjected to an after-treatment. | 12-19-2013 |
20140051903 | OPTIMIZED PROCESS FOR TREATING WASTE VIA HYDROTHERMAL TREATMENT - The present invention relates to a process for hydrothermal oxidation of organic compounds, optionally with oxidizable inorganic compounds, contained in an aqueous effluent, wherein said aqueous effluent is injected within a tubular reactor wherein the effluent is brought to a supercritical pressure and wherein the temperature of the effluent is gradually increased from its initial temperature up to a supercritical temperature, without any intermediate decrease in temperature, by introducing within said tubular reactor a sufficient amount of oxidizing agent for totally oxidizing the organic compounds and optionally for at least partly oxidizing oxidizable inorganic compounds, the oxidizing agent being introduced in a fractionated way in several points increasingly located downstream, and wherein the composition and/or the concentration of the organic compounds and/or oxidizable organic compounds within the effluent to be treated varies over time, and, upstream from the tubular reactor wherein oxidation is carried out, the TOD of the effluent to be treated is measured and monitored at a value of more than 120 g/L and of less than 250 g/L prior to its injection into the tubular reactor. | 02-20-2014 |
20140171723 | Method and system for treatment of asbestos-containing waste materials in supercritical water - A method for destroying asbestos in mainly organic matrix asbestos-containing waste includes the steps of: preparing the asbestos-containing waste; preparing a supercritical aqueous phase; letting the asbestos and the primarily organic matrix of the asbestos-containing waste react with the aqueous phase for a time t in an appropriate reactor at a predetermined pressure P and temperature T to maintain the aqueous phase in supercritical condition; cooling and condensing the aqueous phase flowing out of the reactor; and separating the aqueous phase from any entrained solid products therein. The step of preparing the supercritical aqueous phase includes an additional step, in which an oxidizing compound is added in a predetermined concentration Cl, the pressure P is in a range from 25 to 27 MPa, and the temperature T is in a range from 600° C. to 650° C., causing the asbestos and the organic binder to be simultaneously destroyed. | 06-19-2014 |
20140171724 | METHOD FOR CHEMICALLY STABILIZING URANIUM CARBIDE COMPOUNDS, AND DEVICE IMPLEMENTING THE METHOD - A process for chemical stabilization of a uranium carbide compound having formula: UC | 06-19-2014 |
20140357928 | DEGRADATION OF PHOSPHATE ESTERS BY HIGH OXIDATION STATE MOLYBDENUM COMPLEXES - Degradation of phosphate esters, particularly neurotoxins and pesticides, is performed using high oxidative state molybdenum complexes, more particularly molybdenum(VI) complexes. A molybdenum(VI) complex is dissolved in water and then reacted with a phosphate ester. The phosphate esters can include, but are not limited to, VX, VE, VG, VM, GB, GD, GA, GF, parathion, paraoxon, triazophos, oxydemeton-methyl, chlorpyrifos, fenitrothion and pirimiphos-methyl, representing both chemical warfare agents as well as pesticides and insecticides. | 12-04-2014 |
20150352391 | HYDROTHERMAL OXIDATION DEVICE FOR TREATING A MATERIAL IN A SUPERCRITICAL MEDIUM AND IMPLEMENTATION METHOD - A hydrothermal oxidation device for treatment of a material in a supercritical medium includes a main body, an internal tube installed inside the main body to form an annular zone along the main body, a stirring mechanism installed in an internal zone of the internal tube and actuated by a rotating shaft, a cooling mechanism to cool the treated material located in the internal zone of the internal tube, an inlet for water and oxidant mix, an effluents outlet, an inlet for material to be treated, located at one end of the main body, this inlet opening up into the internal tube. The oxidation device includes an inlet for a diluted effluent, located in the flange and connected to a preheating coil arranged along an internal wall of the main body and extending from its first end to its second end, the preheating coil opening up into the internal tube. | 12-10-2015 |
20150375025 | METHOD OF DECONTAMINATING CHEMICAL AGENT VX USING A PORTABLE CHEMICAL DECONTAMINATION SYSTEM - The present invention relates to a method of using a portable chemical decontamination system for decontamination of chemical warfare agents, including agent VX. Specifically, the present invention provides a portable chemical decontaminant system that is rapidly effective against chemical warfare agent VX. The disclosed method decontaminates agent VX using both electrochemically generated chlorine dioxide and chlorine dioxide generated by the reaction between a chemical warfare agent VX degradation product and excess sodium chlorite. The method using the portable system eliminates the need to transport corrosive or highly reactive chemicals, and dramatically simplifies the logistics of delivering an effective chemical decontaminant system to wherever it may be needed. The portable chemical decontamination system electrochemically generates chlorine dioxide and hypobromite. | 12-31-2015 |
20160121152 | ANTICANCER AGENT DEGRADATION METHOD AND ANTICANCER AGENT DEGRADATION APPARATUS - There are provided an anticancer agent degradation method for protecting medical professionals from exposure to an anticancer agent externally scattered in, for example, a safety cabinet or prescription laboratory, during drug preparation or other circumstance, and an anticancer agent degradation apparatus for use with this anticancer agent degradation method. Anticancer agent flyoff in a safety cabinet, etc. is degraded by exploiting an action of ozone-containing air humidified by humidifying means. A relative humidity of humidified ozone-containing air is preferably greater than or equal to 80%. In controlling degradation treatment on the basis of CT values, a difference between expected humidity and measured humidity is reflected in an increment of CT value to understand the progress of anticancer agent degradation properly. | 05-05-2016 |
20160123582 | Methods and Systems for Clean-Up of Hazardous Spills - Methods and systems for clean-up of hazardous spills are provided. In some aspects, there is provided a system for burning an water-oil emulsion that includes an enclosure configured to hold a water-oil emulsion; one or more conductive rods disposed throughout the enclosure, each rod of the one or more roads having a heater portion to be submerged in the water-oil emulsion and a collector portion to project above the water-oil emulsion, wherein the collector portion is longer than the heater portion; and a delivery system for supplying an water-oil emulsion to the enclosure, the delivery system is configured to maintain a constant level of the water-oil emulsion in the enclosure as the water-oil emulsion is burned. The enclosure may further include one or more adjustable air inlets. | 05-05-2016 |