Patents for A62D 101 - Harmful chemical substances made harmless, or less harmful, by effecting chemical change (5,283)
03/2004
03/17/2004CN1142102C Process for preparing Cr2O3 from waste dregs of chromium hydroxide
03/11/2004WO2003053333A3 Concentrated frormulations and methods for neutralizing chemical and biological toxants
03/11/2004US20040047786 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
03/11/2004US20040047784 Process for treating fluorine compound-containing gas
03/11/2004US20040045908 Reducing cyanide and formate concentrations in gasification wastewater streams comprising first removing suspended solids from the wastewater stream, then adding sufficient hydrogen peroxide to completely oxidize contained cyanide ions and
03/11/2004US20040045479 Reactive nanoparticles as destructive adsorbents for biological and chemical contamination
03/11/2004US20040045403 Metal powder capable of decomposing and remedying various range of organic halogen compounds including organic halogen compounds which are difficult to be decomposed by a conventional decomposition and remediation method. Metal
03/04/2004US20040040914 Method for reducing the leaching of oxyanion forming elements, in particular chromium, from hazardous waste
02/2004
02/26/2004US20040038802 A pre-carbonization of a polystyrene modified by divinylbenzene, crosslinked with sulfonic acid; an adsorbers, filters
02/25/2004EP1391253A1 Device and method for removal of harmful substance
02/25/2004EP1391223A1 Pcb treating device and pcb treating method by electrolysis
02/25/2004EP1390105A1 Method of treatment
02/25/2004CN1478000A Method and apparatus for treatment of decomposing atoms in incineration ash by diffusion to detoxify them
02/24/2004US6696617 Process for treating complex cyanide
02/19/2004US20040034267 For heavy metal bearings/wastes; pollution control
02/12/2004WO2004013219A1 A heavy maetal chelate composition containing chitosan derivatives and uses thereof
02/12/2004WO2003095116A3 Mediated electrochemical oxidation of organic waste materials
02/12/2004WO2003059401A3 The use of high-purity chlorine dioxide gas to inactivate finely milled, humidification-resistant 'weaponized' spores
02/10/2004US6688811 Stabilization method for lead projectile impact area
02/05/2004US20040024283 Lead projectile mineral coating
02/05/2004US20040024281 Method for stabilization of material or waste to reduce metals and fluoride leaching potential
02/05/2004US20040024280 Forming gas hydrate of the toxic agent, Smaller-molecule toxic agent form sI or sII type hydrates, and larger form sH type hydrate, supplying a companion gas to fill smaller voids of sH hydrate, enabling larger-molecule to form hydrates
02/05/2004US20040024251 Applying dicarbonyl-compound solution to an object contaminated with a hydrazine group compound, wherein said hydrazine group compound is converted to a stable organic compound as a result
02/04/2004EP1385793A1 Organoboron waste stream treatment using hydrogen peroxide
02/04/2004CN1136928C Method of treatment of halogenous organic waste material
01/2004
01/29/2004US20040019249 Process for reductive deposition on a metal surface
01/29/2004US20040018130 Method for wet stabilization of material or waste to reduce selenium leaching potential
01/28/2004EP1384505A1 Elaboration method of an organic or/and inorganic substance for modifying its physico-chemical properties
01/28/2004CN1470300A Method of dechlorination for polychloro diphenyl from waste transformer oil
01/27/2004US6682713 Durability having a mackinawite structure; for treating heavy metals in wastes
01/22/2004WO2004007028A1 Degradation of cyclic nitramines
01/22/2004US20040015036 Method for stabilization of material or waste to reduce selenium leaching potential
01/22/2004US20040011746 Heating fluid containing water and an oxidizing agent in a ring-shaped area; introducing heated fluid into internal tube and simultaneously introducing material to be treated; mixing, cooling; isobarically discharging the fluid/oxidized material
01/22/2004CA2493385A1 Degradation of cyclic nitramines
01/21/2004CN1468669A Decomposition method for resolved object and its apparatus
01/20/2004US6680039 Sulfite treatment of spent industrial wastes
01/20/2004US6679823 For stabilization of electric arc furnace dust (eafd)
01/20/2004CA2160111C Method for neutralizing waste
01/15/2004WO2004004887A1 Method for the treatment of the organic and/or the inorganic matter for the modifying its physicochemical properties
01/15/2004US20040009095 Universal decontamination by detoxifying chemical and biological warfare agents using a peroxymonosulfate ion (HSO5), a peroxide oxidant to form free hydroxyl radicals and an activator dispersed in an absorbent or gel; no byproducts
01/13/2004US6676913 Stabilizer aluminum oxide
01/08/2004WO2004002577A1 Improved process for the non-incineration decontamination of materials containing hazardous agents
01/08/2004US20040006253 Heavy metal particulate (HMP) emission speciation modification process
01/08/2004US20040005681 Porous support and plurality of enzymes for removal, decontamination or neutralization of hazardous chemicals such as organophosphorous and organosulfur compounds
01/06/2004US6673326 Catalytic processes for the reduction of perfluorinated compounds and hydrofluorocarbons
01/02/2004EP1375438A2 Process for decomposing a substance collected from polluted soil and apparatus therefor
01/02/2004EP1375432A1 Method and device for decomposing environmental pollutants
01/02/2004EP1374983A1 Reaction system of organic substance employing supercritical fluid or sub-critical fluid
12/2003
12/30/2003US6670520 Water pollution control
12/30/2003US6668725 Containing nutrient and microorganism
12/18/2003WO2003028429A3 Enhanced formulations for neutralization of chemical, biological and industrial toxants
12/18/2003US20030233020 Process for decomposing decomposition-object and apparatus therefor
12/14/2003CA2432110A1 Process for decomposing decomposition-object and apparatus therefor
12/10/2003EP1368503A2 Method for increasing the dry residue in processed cyclone dust
12/10/2003EP1368095A1 Basic, non-aqueous decontamination fluid
12/10/2003CN1130441C Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery
12/09/2003US6660900 Process for the non-incineration decontamination of materials containing hazardous agents
12/04/2003US20030225308 Stabilization of wastes containing asbestos by mixing with calcined alumina, clay, porometric materials such as sawdusts and water, then grinding, extrusion, drying and combustion; pollution control
12/02/2003US6656722 Oxidizing using bacteria and a mineral catalyst to form crystalline scorodite (iron arsenate); biodegradation
11/2003
11/27/2003WO2003097173A1 Neutralization of vesicants and related compounds
11/27/2003US20030220532 Dehalogenating with solvent maintained at supercritical state, hydrogen donor (hexane), and hydrorefining catalyst
11/26/2003EP1363708A1 A method for the disposal of hazardous waste containing heavy metals
11/25/2003US6653519 Reactive nanoparticles as destructive adsorbents for biological and chemical contamination
11/25/2003US6652821 Purificating agent for flue gas and incinerated ash and purificating method using the same
11/20/2003WO2003095118A1 Methods of carbon disulfide treatment
11/20/2003WO2003095116A2 Mediated electrochemical oxidation of organic waste materials
11/20/2003WO2003094977A2 Materials for degrading contaminants
11/20/2003US20030215355 Method and apparatus for control of chemical or biological warfare agents
11/19/2003CN1456373A Aluminium phosphide residue non-poisonous innocuous finishing agent and treating method thereof
11/18/2003US6649044 Contacting with reducing metal, hydrogen donating compound and an amine
11/13/2003WO2003092656A1 Chemically and/or biologically reactive compouds
11/12/2003CN1455692A Formulations for neutralization of chemical and biological toxants
11/11/2003US6645449 Reacting with metal oxides in oxygen-free medium, heating
11/06/2003WO2003090945A1 Sonication treatment of polychlorinated biphenyl contaminated media
11/06/2003WO2003090875A1 Activated oxidizing vapor treatment system and method
11/06/2003US20030205453 Decomposing an organic compound using ascorbic acid or salt; useful for waste water disposal and changing of waste into compost and purify the soil
11/06/2003US20030205173 Control of ammonia emission from ammonia laden fly ash in concrete
11/05/2003CN1453078A Toxic compound processing system and method
11/05/2003CN1126578C Method for treating residues resulting from purification of life garbage and/or industrial waste incinerated fumes
11/04/2003US6642037 Immobilization of enzymes such as acetylcholinesterase, on polymer supports to form reaction products and/or kits used for neutralization, purification or cleaning surfaces
10/2003
10/30/2003WO2003089066A1 Method for preventing asbestos from freeing airborne particles
10/30/2003US20030202921 Method and apparatus for decomposition of substance contained in gas
10/30/2003CA2474389A1 Method for preventing asbestos from freeing airborne particles
10/28/2003US6638488 Method and apparatus for removing organic hazardous substances using selected solvents
10/28/2003US6638204 Melting and kneading heavy metal-containing wastes, an alkali metal compound or an alkaline earth metal compound and sulfur in the presence of a non-aqueous medium, followed by cooling and solidifying the resulting melt mixture
10/23/2003WO2003086615A1 Submerged plasma generator, method of generating plasma in liquid and method of decomposing toxic substance with plasma in liquid
10/23/2003US20030199725 Method and device for detoxifying a polychlorinated biphenyl product
10/23/2003US20030196886 Apparatus for decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds
10/23/2003US20030196517 Method of treating heavy metal and/or organic compound
10/22/2003EP1354646A1 Method of treating heavy metal and/or organic compound
10/22/2003CN1125167C Cleaner for removing residual organophosphorus in agricultural chemical from vegetables and its cleaning process
10/21/2003CA2092322C Method and apparatus for decontamination of soils and other particulate materials
10/16/2003WO2003085002A1 Cross-linked polymers based on cyclodextrins for removing polluting agents
10/16/2003CA2481832A1 Cross-linked polymers based on cyclodextrins for removing polluting agents
10/15/2003EP0914218B1 Apparatus and method for hazardous waste vitrification
10/15/2003CN1448198A System for decomposing organic compound
10/14/2003US6632973 Detoxification of solutions of dioxin with oxidation catalysts Introducing a liquid containing dioxins and/or PCBs, and oxygen containing gas to a reactor in which catalyst exists, and conducting wet-oxidation reaction under liquid phase
10/09/2003US20030191353 Steaming and heating metal mixture; for chemical weapon components/residues
10/08/2003EP1350561A2 System for decomposing organic compound
10/08/2003EP1278411A4 Reactive nanoparticles as destructive adsorbents for biological and chemical contamination
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