| 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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| 04/05/2001 | DE10045830A1 Removal of metal ions from aqueous solution, e.g. waste liquor, process bath or lixiviation solution, involves adjusting to suitable pH, adding solid organic chelant, stirring and removing metal complex formed |
| 04/03/2001 | US6210579 Bioremediation of pollutants with butane-utilizing bacteria |
| 03/29/2001 | WO2001021332A1 Method for decomposing refractory hazardous substance and decomposing agent |
| 03/29/2001 | WO2001021262A1 Catalysts for destruction of organophosphonate compounds |
| 03/29/2001 | DE19946148A1 Production of metastable supersaturated gypsum or anhydrite solution for sealing or consolidating stone or immobilizing harmful substance involves dissolving calcium hydroxide in dilute sulfuric acid containing precipitation inhibitor |
| 03/28/2001 | EP1086052A1 Method for treating humid waste containing an oxidable organic material |
| 03/28/2001 | EP1085927A1 Method and apparatus for treating salt streams |
| 03/27/2001 | US6207073 Comprising a metal, a sulfur-containing compound, and an alcohol |
| 03/21/2001 | EP1085104A1 Method of working-up incineration residues into a disposable material using an oxidizing wash treatment |
| 03/20/2001 | US6204299 Foaming agents used to prepare closed cell polyurethane foams |
| 03/13/2001 | US6200545 Cyanide recovery by solvent extraction |
| 03/07/2001 | EP1081165A1 Method of dehalogenating hydrocarbon containing carbon-carbon double bond |
| 03/07/2001 | EP1079946A1 Decontamination of soil contaminated with pcb |
| 03/07/2001 | EP1079945A1 Decontamination of soil contaminated with pcp |
| 03/07/2001 | EP1079943A1 Decontamination of soil contaminated with tnt, hmx, and rdx |
| 03/07/2001 | CN1286640A Demilitarization of chemical munitions |
| 03/07/2001 | CN1062779C Method for harmless treatment of Cr liquor and Cr slag by using silicate material |
| 03/06/2001 | US6197187 Disposing electrodes peripherally at contaminated media(e.g: soils groundwater); injecting sulfide salt-containing aqueous solution; applying electric voltage to ionize; causing ionic mobility between electrodes to dehalogenate |
| 03/01/2001 | WO2001014261A1 Method of treating incineration ashes with sulfate reducing bacteria |
| 03/01/2001 | WO2001014053A1 Catalytic system and method for reducing perchlorate ion |
| 03/01/2001 | WO2001014014A1 Process for immobilising toxic metals in solid industrial residues |
| 03/01/2001 | WO2000015361A8 White rot fungus and method for degrading dioxins by using the same |
| 02/28/2001 | EP1077747A1 Method for the material decomposition of composites containing artificial resin |
| 02/27/2001 | US6195505 Method and apparatus for photopyrolitically removing a contaminant |
| 02/27/2001 | US6194197 Bioremediation of xenobiotics including methyl tert-butyl ether |
| 02/22/2001 | WO2001012352A1 Method for treating hazardous material |
| 02/22/2001 | WO2000063343A3 Bacterial culture |
| 02/22/2001 | DE19936324A1 Gemisch zur Behandlung von Abfallmaterial Mixture for the treatment of waste material |
| 02/21/2001 | CN1284893A Wet type method of rendering dioxins innoxious |
| 02/21/2001 | CN1062282C Oil-forming method of chlorine-containing plastic refuse |
| 02/20/2001 | US6191068 Mixture containing magnesium sulfite, tripel super phosphate and at least one of limestone or hydroboracite |
| 02/20/2001 | US6190903 Bacteria having ATCC No. 55926 or ATCC No. 202050 capable of biodegradation of wastes |
| 02/20/2001 | US6190626 Detoxifying spent aluminum potliners |
| 02/15/2001 | WO2001010504A2 Treatment of chemical hydrolysates |
| 02/15/2001 | WO2001010503A1 Method and device for treating purge dust |
| 02/14/2001 | EP1076041A2 Method for decomposing or oxidizing dioxins and/or poly chlorinated biphenyls contained in liquid |
| 02/14/2001 | CN1284045A Prodn. of one or more useful products from lesser value halogenated materials |
| 02/13/2001 | US6187988 Adsorption of hazardous material with carbon beds, purging with gas and microwave treatment |
| 02/13/2001 | US6186939 Method for stabilizing heavy metal in a material or waste |
| 02/13/2001 | CA2222211C Microorganisms that decompose halogenated hydrocarbons and their use |
| 02/13/2001 | CA2060500C Improved method and products for treating asbestos |
| 02/08/2001 | WO2001008753A1 Mixture for the treatment of waste materials |
| 02/08/2001 | DE19929120A1 Detecting, handling and eliminating chemical, biological or radioactive materials, using sensor arrays to detect the materials, and UV reactors to activate oxidation |
| 02/06/2001 | US6184432 Methods for thermally degrading unwanted substances using particulate metal compositions |
| 01/31/2001 | EP1072575A1 Method of decomposing organochlorine compound |
| 01/30/2001 | US6180753 Process for treating a compound having epithio structures for disposal |
| 01/24/2001 | EP1070507A1 Stalilization of biowastes |
| 01/24/2001 | EP1015817A4 Method and apparatus for containing and suppressing explosive detonations |
| 01/17/2001 | CN1280030A Treating method for waste gas containing dipyryl |
| 01/16/2001 | US6174499 A semiconductor etching apparatus comprising a generator for generating a plasma in the reaction chamber to decompose and chemically activate the freon gas, then made into contact with a reactant to form a reaction product |
| 01/16/2001 | US6173662 Method and apparatus for containing and suppressing explosive detonations |
| 01/11/2001 | DE19930544A1 Enzymatic degradation of organohalide contaminants in solid or aqueous systems using hydrogen peroxide and homogenized radish or radish juice to give prolonged activity |
| 01/10/2001 | EP1066873A1 Process and composition for treating dioxin-containing exhaust gas |
| 01/10/2001 | CN1279623A Demilitarization of chemical munitions |
| 01/09/2001 | US6171844 Microorganism and method for environmental purification using the same |
| 01/09/2001 | US6171509 Method and apparatus for treating salt streams |
| 01/03/2001 | EP1063890A1 Composition for deactivating chemically and biologically active agents |
| 01/02/2001 | US6168771 Indirectly heating said substances to be processed, oxygen and said first reaction medium in said first vessel by heating said second vessel so that oxidation processing of said substances is performed. |
| 12/28/2000 | WO2000078973A1 Process for oxidising aromatic compounds |
| 12/28/2000 | WO2000078402A1 Process for immobilising arsenic waste |
| 12/28/2000 | DE19945937A1 Neutralization of optionally buffered strong, concentrated acids and the decontamination of accidents comprises treatment with sodium acetate in acetic acid |
| 12/27/2000 | EP1063207A1 Binder for stabilising arsenic containing wastes and process for making such binder |
| 12/27/2000 | EP1062989A2 Method for decomposing halogenated aliphatic hydrocarbon compounds having adsorption process and apparatus for decomposition having adsorption means |
| 12/27/2000 | EP1062059A1 Bacterium capable of biodegradation of wastes |
| 12/27/2000 | EP1062006A1 Decontaminating foam comprising an oxidising agent such as cerium (iv) |
| 12/20/2000 | EP1060001A1 Method for cleaning interior spaces or objects contaminated by harmful substances such as formaldehyde in particular |
| 12/20/2000 | EP1059968A1 Inertization of waste material contaminated with heavy metals |
| 12/20/2000 | EP0748304B1 Improvements in bioremediation of hydrocarbon contaminated soils and water |
| 12/19/2000 | US6162958 PCB decomposition process |
| 12/19/2000 | US6162957 Decomposing a perfluorocarbon, sulfur hexafluoride or nitrogen fluoride in the presence of water vapor and oxygen gas and using a durable catalytic phosphate of aluminum, boron, alkali earth metal, titanium, lanthanum, etc.; heating |
| 12/14/2000 | WO2000074909A1 Method for extracting and recycling waste chemically treated wood |
| 12/14/2000 | WO2000074787A1 Deactivation of toxic chemical agents |
| 12/14/2000 | CA2375152A1 Deactivation of toxic chemical agents |
| 12/13/2000 | EP1059101A2 Method for decomposing halogenated organic compound |
| 12/12/2000 | US6160238 Tunable molten oxide pool assisted plasma-melter vitrification systems |
| 12/12/2000 | US6160195 Converting to non-regulated, environmentally benign-materials with a combination of at least two multiple-functional group reagents, comprising a fluoro acid component and a corrosion inhibiting a phosphate, amine and a poly aromatic amine |
| 12/12/2000 | US6160194 Purification by oxidation |
| 12/07/2000 | WO2000072988A1 Method for oxidative destruction of carbon disulfide in soil |
| 12/07/2000 | WO2000072650A2 Compositions and methods for bioremediation |
| 12/06/2000 | CN1275965A Ash inerting method |
| 12/05/2000 | US6156203 Treating the pcb pollutant with butane-utilizing bacteria in the presence of butane and oxygen for a treatment time sufficient for the butane-utilizing bacteria to degrade the pcb pollutant |
| 11/30/2000 | WO2000045896A3 Method for producing a self decontaminating surface |
| 11/28/2000 | US6153809 Polymer coating for immobilizing soluble ions in a phosphate ceramic product |
| 11/21/2000 | US6150580 Method for destroying hazardous organics and other combustible materials in a subcritical/supercritical reactor |
| 11/21/2000 | CA2106600C Immobilization of lead in solid residues from reclaiming metals |
| 11/15/2000 | EP1051527A1 High efficiency recovery process and apparatus for the pyrolysis treatment and halogenation of multi-element waste |
| 11/15/2000 | EP0946447A4 Composition and method to remove asbestos |
| 11/15/2000 | EP0946446A4 Composition and method to remove asbestos |
| 11/14/2000 | US6145757 Shower head with switching of spray mode |
| 11/14/2000 | US6145666 Cleansing contaminants from a heterogeneous material using a sorption agent |
| 11/09/2000 | WO2000066229A1 Method for decontaminating a product containing metals |
| 11/08/2000 | EP1050511A2 Hydrothermal processing with phosphate additive |
| 11/07/2000 | US6143139 Method for recovering metals from waste |
| 11/07/2000 | US6143088 Peracid-based composition for decontamination of materials soiled by toxic agents |
| 11/02/2000 | WO2000064539A1 Method to make op detoxifying sponges |
| 11/02/2000 | EP1048327A2 Method and agent for reducing chlorinated aromatic compounds |
| 11/02/2000 | EP1047478A1 Method for treating household refuse incinerator ash |
| 11/02/2000 | DE19919824A1 Combined oxidation and ultrasonic breaking down of environmentally unfriendly organo-tin compounds in liquids e.g. in ballast water from ships |
| 10/31/2000 | US6139485 Demetallization of hazardous waste leachable lead at a wide range of ph |
| 10/26/2000 | WO2000063343A2 Bacterial culture |