Patents for A62D 3 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances (9,310) |
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05/06/1999 | WO1999021619A1 Method for treating household refuse incinerator ash |
05/06/1999 | EP0913172A1 Method for treating incineration residues |
05/06/1999 | EP0912214A1 Degradation of biodegradable polyester amides with enzymes |
05/06/1999 | EP0841968B1 Mercury removal process |
05/05/1999 | CN1215696A Method and apparatus for incineration treatment of caprolactam saponification waste lye to recover sodium carbonate |
05/04/1999 | CA2117754C Mercury contaminated mud treatment |
04/28/1999 | EP0648255B1 Treatment of waste |
04/27/1999 | US5898093 Treating leachable heavy metals in solid waste by contacting with a mixture of a sulfide, a calcium phosphate, and calcium carbonate; the phosphate precipitates any ferric ion to prevent oxidation of the metallic sulfide, stabilizing it |
04/27/1999 | US5897996 Method for degrading polychlorinated biphenyls and novel microorganism |
04/27/1999 | US5897780 Mixing with brine; separation by reverse osmosis using semipermeable membrane |
04/27/1999 | CA2151299C Method for separating volative compounds in process streams |
04/27/1999 | CA2096484C Thermal process of used relinings from hall-heroult electrolysis bath |
04/22/1999 | DE19853800A1 Use of latex waste liquor for consolidating harmful reactive waste e.g. plastics from car battery shredder |
04/21/1999 | EP0909812A2 Bacterial strains P230 and P212a/2 and methods for the microbial decontamination of materials polluted with phenoxy-herbicides |
04/20/1999 | US5895832 Process for the treatment of contaminated material |
04/20/1999 | US5895636 Contacting gas stream with catalytically effective amount of platinum and/or palladium supported on high surface area alumina stabilized with alkaline earth metal oxide and rare earth metal oxide |
04/15/1999 | WO1998046943A9 Method and apparatus for containing and suppressing explosive detonations |
04/14/1999 | EP0907427A1 Cleansing contaminants from a heterogeneous material using a sorption agent |
04/14/1999 | EP0857193B1 Process for the confinement of solid materials |
04/13/1999 | CA2083921C Process for removing halogenated organic compounds from waste gases |
04/08/1999 | WO1999016510A1 Agent for eliminating heavy metals comprising an alkaline metal silicate and carbonate |
04/08/1999 | WO1999016509A1 Agent for eliminating heavy metals comprising a phosphate compound |
04/07/1999 | EP0906773A1 Decontaminating composition |
04/07/1999 | EP0906140A1 Biodegradation of metal cyanides |
04/06/1999 | US5891345 Destroying organic compounds |
04/06/1999 | US5891011 Vitrification of waste |
04/06/1999 | CA2070630C Method and apparatus for effecting gas-liquid contact |
04/06/1999 | CA2026506C Process for the reductive dehalogenation of polyhaloaromatics using calcium and methanol |
04/01/1999 | WO1999015239A1 Method for reductive dehalogenation of halogen-organic substances |
04/01/1999 | DE19743109A1 Chemical decomposition of difficultly degradable halogen compounds especially PCBs |
04/01/1999 | DE19742297A1 Verfahren zur reduktiven Dehalogenierung von halogenorganischen Stoffen Method for the reductive dehalogenation of halogenated organic substances |
04/01/1999 | CA2304802A1 Method for reductive dehalogenation of halogen-organic substances |
03/30/1999 | US5888396 Bioremediation of chlorinated aliphatic, chlorinated aromatic, or non-chlorinated atomatic hydrocarbon pollutants; low tetrachloroethene toxicity and improved degradation compared to conventional bacteria |
03/30/1999 | CA2079467C Biological system for degrading nitroaromatics in water and soils |
03/26/1999 | WO1999016722A1 Method of production of cement |
03/25/1999 | WO1999013950A1 Demilitarization of chemical munitions |
03/24/1999 | EP0903185A2 Composition for solid waste remediation |
03/24/1999 | EP0880378A4 Method and apparatus to destroy chemical warfare agents |
03/24/1999 | CN1211931A Waste liquid treatment |
03/23/1999 | US5886316 Method and apparatus for treating waste and for obtaining usable by-product |
03/23/1999 | US5885602 Process for the persistence control of chemicals released into the environment |
03/23/1999 | US5884569 Method and apparatus for containing and suppressing explosive detonations |
03/18/1999 | DE19740477A1 Conversion to glass of filter dust and residues from flue gas scrubbing with high chlorine contents |
03/18/1999 | DE19729691C1 Device for decontaminating railway track wooden sleepers |
03/17/1999 | EP0901801A1 Process for low temperature pyrolysis of dioxins |
03/17/1999 | EP0901800A1 Process to reduce the elution of heavy metals |
03/17/1999 | CN1211197A Aqueous silicate compositions |
03/16/1999 | CA2093016C Modular oxidation chamber |
03/11/1999 | WO1998053463A3 Method for acid oxidation of radioactive, hazardous, and mixed organic waste materials |
03/11/1999 | DE19738593A1 Stabilization of thermal waste treatment ash or slag |
03/09/1999 | US5880060 Compositions to remove heavy metals and radioactive isotopes from wastewater |
03/09/1999 | US5879646 Treatment of NH3 -containing gases |
03/09/1999 | CA2149114C Process for stabilizing metals in ash |
03/04/1999 | WO1999010298A1 Treatment of tnt-contaminated soil |
03/04/1999 | WO1999010086A1 Method and apparatus for ionizing all the elements in a complex substance such as radioactive waste |
03/03/1999 | EP0898985A1 Waste processing method under supercritical conditions and apparatus therefor |
03/03/1999 | EP0883779A4 Method and apparatus for containing and suppressing explosive detonations |
03/02/1999 | US5877395 Method and apparatus for the controlled reduction of organic material |
03/02/1999 | US5877393 Treatment process for contaminated waste |
03/02/1999 | US5877392 Photodecomposition using ultraviolet light |
03/02/1999 | US5877164 Complexes |
03/02/1999 | US5877014 For degradation of polymeric azo, anthraquinone, or triarylmethane dyes and pesticides |
02/24/1999 | EP0897968A2 Method for treating plastics and solid fuel obtained by the same method |
02/23/1999 | US5874291 Degradation of environmental toxins by a filamentous bacterium |
02/23/1999 | US5873675 Method for hazardous waste vitrification |
02/23/1999 | US5873371 Treating solution consisting of 75% alcohol and 25% of hydrogen peroxide |
02/23/1999 | CA2144858C Method for removing mercury from contaminated soils and industrial wastes and related apparatus |
02/18/1999 | WO1999007443A1 Conversion of chlorinated, brominated and/or iodinated fluorocarbons and hydrofluorocarbons |
02/17/1999 | EP0843592A4 Dehalogenation of halogenated hydrocarbons in aqueous compositions |
02/10/1999 | EP0895529A1 Method of nonhazardous removal of paint containing heavy metals and coating preparation for performing the same |
02/09/1999 | US5868943 Waste treatment process for the disposal of dichlorodifluoromethane by conversion into polytetrafluoroethylene |
02/09/1999 | US5868919 A power supply, high energy capacitor, high energy trigger device and probe and reactor arrangement |
02/04/1999 | WO1999004861A1 Method for eliminating halogenated and non halogenated waste |
02/04/1999 | DE19732594A1 Destruction of chemical warfare substances |
02/03/1999 | EP0894512A1 Use of stabilised decontaminating compositions for the decontamination of toxic agents and/or pollutants |
02/02/1999 | US5866752 Irradiating the gas stream in intimate contact with a semiconductor catalyst under laminar flow conditions |
02/02/1999 | US5866095 Method and system of formation and oxidation of dissolved atomic constitutents in a molten bath |
02/02/1999 | US5865959 Back-side illuminated organic pollutant removal system |
02/02/1999 | CA2175053C Perchlorate removal process |
01/28/1999 | WO1999004086A1 Pretreatment of wood particulates for removal of wood extractives |
01/28/1999 | WO1999003609A1 A process for separating a contaminating substance from a material contaminated by said substance |
01/28/1999 | DE19747793C1 Simple, cost-effective, almost quantitative removal of white phosphorus from mixture |
01/27/1999 | CN1206453A Method and apparatus for containing and suppressing explosive |
01/21/1999 | DE19730653A1 Microbiological degradation of halogenated hydrocarbon(s) in contaminated media |
01/21/1999 | DE19730302A1 Treatment of pipes contaminated with mercury |
01/21/1999 | DE19730223A1 Chemical-biological waste disposal of organic solids, e.g. polymers or ion-exchange resins |
01/20/1999 | EP0781174A4 Methods of decontaminating soils containing hazardous metals |
01/19/1999 | US5862494 Method for entrapping and minimizing moisture bearing low-level radioactive and mixed waste material |
01/19/1999 | US5860908 Water insoluble heavy metal stabilization process |
01/14/1999 | WO1999001236A1 Method of disposal of waste containing heavy metal and sealing compound suitable for the disposal |
01/14/1999 | WO1999001182A1 Equipment and method for self-contained chlorination and reduction |
01/13/1999 | EP0890629A1 Pyrolytic Reactor for Waste Plastic |
01/13/1999 | CN1205032A Novel microorganism and method for environmental purification using the same |
01/12/1999 | US5859306 Pretreatment with oxidizer |
01/12/1999 | US5859064 Chemical warfare agent decontamination solution |
01/12/1999 | US5858763 Thermophilic methanotrophs for high temperature oxidations |
01/12/1999 | US5858059 Injecting feed streams through conduits into molten bath, creating jets which combine to form fan jet region |
01/07/1999 | WO1999000159A1 A method to reduce hexavalent chromium in soils and other |
01/07/1999 | EP0888153A1 Method for hot and supercritical water oxidation of material using specific reactants |
01/07/1999 | DE19828665A1 Verfahren zur Reduktion von sechswertigem Chrom in Böden, Sedimenten, Industrieabfällen und anderen kontaminierten Materialien unter Verwendung von Ascorbinsäure A process for the reduction of hexavalent chromium in soils, sediments, industrial wastes and other contaminated materials using ascorbic acid |