| 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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| 02/03/1994 | DE4225159A1 Decontaminating asbestos-contg. talc - by treatment with an aq. soln. of a fluorine-contg. acid or an acid salt of a fluorine contg. acid. |
| 02/02/1994 | EP0581093A1 Process and agent for the oxidative destruction of azides |
| 02/01/1994 | US5283041 Catalytic incineration of organic compounds |
| 02/01/1994 | US5282936 Using a stable, nonsoluble, porous inorganic nonconductive solid, e.g., a zeolite; low temperature and energy |
| 01/26/1994 | EP0580533A1 Process for the thermal treatment of spent potlinings from Hall-Heroult electrolytic cells |
| 01/25/1994 | US5280757 Municipal solid waste disposal process |
| 01/23/1994 | CA2100922A1 Process and means for the oxidative destruction of azides |
| 01/20/1994 | DE4223246A1 Sepn. of tar from mixts. of tar and solid material - comprising crushing, heating at specific pressure and water treating |
| 01/18/1994 | US5280149 Process for treating highly environmentally polluting residues |
| 01/18/1994 | US5279963 System for the decontamination of a contaminated gas |
| 01/18/1994 | CA1326131C Reducing exposure to hazardous particles |
| 01/13/1994 | DE4300779C1 Mixts. of calcium bentonite and methyl salicylate - dispersed in water are useful as simulated chemical warfare agents |
| 01/13/1994 | DE4233545C1 Decontamination of soils, muds and solids - by microbial degradation of xeno biotic contaminated substances, ensuring that the oxygen supply is limited and controlling the temp. |
| 01/12/1994 | EP0577871A1 Method for treating a liquid medium |
| 01/06/1994 | WO1994000533A1 Treatment of waste |
| 01/06/1994 | WO1994000389A1 Desensitization process for energetic compositions with regeneration of reagents |
| 01/05/1994 | EP0577046A1 Process and device for treatment of pyrotechnic material |
| 01/05/1994 | DE4301977C1 Asbestos disposal process - with modification of asbestos by high temp. heating by injection of shredded asbestos contg. material into melting zone of metallurgical shaft furnace |
| 01/05/1994 | DE4221206A1 Disposal of plastic carriers coated with silver@ amalgam |
| 01/04/1994 | US5276250 Process for decomposing polyhalogenated compounds |
| 01/04/1994 | US5276249 Metal exchanged aluminum silicates for oxidation of impurities |
| 01/04/1994 | US5275739 In-situ restoration of contaminated soils and groundwater using calcium chloride |
| 12/29/1993 | EP0556369A4 Self-cleaning mechanism for oxidation chamber |
| 12/29/1993 | EP0556366A4 Modular oxidation chamber |
| 12/28/1993 | US5273629 Method and apparatus for separating contaminants from fluidizable solids and converting the contaminate to less toxic or non-toxic materials |
| 12/23/1993 | WO1993025635A1 Method of removing halogenated aromatic compound from hydrocarbon oil |
| 12/23/1993 | WO1993025278A1 Method and appartus for treating organic waste |
| 12/23/1993 | WO1993025277A1 Method for treating organic waste |
| 12/23/1993 | CA2136074A1 Method for treating organic waste |
| 12/23/1993 | CA2136073A1 Method and apparatus for treating organic waste |
| 12/23/1993 | CA2114840A1 Method of removing halogenated aromatic compound from hydrocarbon oil |
| 12/22/1993 | EP0575180A1 Decontamination process |
| 12/21/1993 | US5271908 Pyrophoric gas neutralization chamber |
| 12/21/1993 | US5271772 Hazardous chemical decontamination process |
| 12/16/1993 | DE4243337C1 Explosive material disposal - uses water with deactivated material to give a soln. of potassium nitrate for further use |
| 12/16/1993 | DE4243223C1 Treatment of copper-contg. residues from chloro-silane synthesis - with aq. alkali metal alkyl-siliconate soln. to form disposable solid |
| 12/16/1993 | DE4241540C1 Crude powder mixt. for cement clinker prodn. and sulphur di:oxide recovery - contains calcium sulphate, sand, ash, carbon carrier and pulp from decomposition of asbestos with sulphuric acid, for safe utilisation of harmful waste |
| 12/16/1993 | DE4219420A1 Metallic mercury removal from soil with organic chelating agent and oxidant - e.g. di:ethylene-tri:amine-penta:acetic acid and hydrogen peroxide for easy purificn. to legal limit |
| 12/16/1993 | DE4218863A1 Treating granular material or waste water loaded with heavy metals - by binding metals with chelating agent and passage through ion exchange system |
| 12/15/1993 | CN2149205Y Sterilization equipment |
| 12/15/1993 | CN1079497A Method for removal of halogenated aromatic compound from hydrocarbon oil |
| 12/14/1993 | US5269968 Compositions for removing polychlorinated biphenyls from a contaminated surface |
| 12/09/1993 | WO1993024611A1 Microbes and their use to degrade n-phosphonomethyliminodiacetic acid |
| 12/09/1993 | DE4218281A1 Organic material conversion to environmentally acceptable glass prods. - using decomposition agent comprising silicate material and inorganic peroxo cpd. and/or inorganic base, for halogenated cpds. e.g. dioxin |
| 12/08/1993 | EP0572954A1 Destruction of waste materials containing alumina, silica, calcium and nitrogen by molten salt oxidation |
| 12/08/1993 | EP0572813A1 Process for the disposal of flue gas residues |
| 12/08/1993 | CN1079285A Process for destroying toxic substances occuring during the elimination of organic refuse components |
| 12/06/1993 | CA2097146A1 Process for the disposal of flue gas residues |
| 12/02/1993 | DE4217987A1 Removal and recovery of heavy metals from earth, sludges and waterways - by amalgamation and sedimentation of esp. mercury@, nickel@ and cobalt@ and their cpds., by addn. of powered zinc@ or aluminium@ |
| 12/02/1993 | CA2087466A1 Destruction of waste materials containing alumina, silica, calcium and nitrogen by molten salt oxidation |
| 12/01/1993 | EP0571970A1 Method and composition for neutralizing hazardous material spills |
| 12/01/1993 | EP0571577A1 Treatment of waste |
| 11/28/1993 | CA2097043A1 Compositions to neutralize acidic and alkaline materials and methods for using same |
| 11/25/1993 | WO1993023087A1 Stabilization of biowastes |
| 11/25/1993 | DE4217133A1 Minimising dust and slag to remove chloride, heavy metal(s) and salt(s) - by washing with organic acid, filtering and adding quicklime or slaked lime to solid to give hydraulic binder properties |
| 11/25/1993 | DE4216776A1 Detoxification of halogenated aromatic hydrocarbon cpds. using oxidant - e.g. ozone, hydrogen per:oxide or UV light causing dehalogenation and partial decomposition, e.g. for detoxifying contaminated soil or waste |
| 11/24/1993 | CN2147038Y Multi-function jet dust romover |
| 11/23/1993 | US5264655 Method and products for treating asbestos |
| 11/23/1993 | US5264136 Methods for generating residual disinfectants during the ozonization of water |
| 11/23/1993 | US5264018 Use of metallic peroxides in biormediation |
| 11/18/1993 | EP0567602A4 Method and apparatus for decontamination of soils |
| 11/16/1993 | US5262024 Using microwaves ultrasonic energy, electromagnetic waves to remove radioactive materials adsorved to the soil |
| 11/11/1993 | WO1993022466A1 Mercury contaminated mud treatment |
| 11/11/1993 | WO1993022001A1 Method for indirect chemical reduction of metals in waste |
| 11/11/1993 | DE4221343C1 Pyrotechnic material disposal - by controlled combustion and waste gas cleaning |
| 11/11/1993 | DE4214885A1 Gas piping mercury decontamination - uses external heat to evaporate mercury@ with inert gas flow to carry that vapour through condenser for recovery and collection in safety |
| 11/11/1993 | CA2135082A1 Method for indirect chemical reduction of metals in waste |
| 11/10/1993 | EP0568903A1 Process for treatment of materials containing heavy metals |
| 11/10/1993 | EP0504203B1 Method and apparatus for effecting gas-liquid contact |
| 11/09/1993 | US5260036 Reactive cement lining to produce calcium and magnesium halides |
| 11/09/1993 | US5259962 Method and apparatus for decontamination of soils and other particulate materials |
| 11/03/1993 | EP0568367A2 Process for treating wastes of asbestos |
| 11/03/1993 | EP0567602A1 Method and apparatus for decontamination of soils |
| 11/02/1993 | US5258562 Method for treating asbestos |
| 11/02/1993 | US5258131 Solution of organic acid/ammonium or alkali metal fluoride mixtures |
| 10/29/1993 | CA2091193A1 Detoxification agents for surfactant based biocides |
| 10/28/1993 | WO1993021479A1 Plasma torch processing of spent aluminum smelter potliner |
| 10/28/1993 | WO1993021117A1 Process for decreasing chlorine content of chlorinated hydrocarbons |
| 10/28/1993 | WO1993020959A1 Method and device for bioremediation |
| 10/28/1993 | WO1993020916A1 Selective removal of aflatoxin from azadirachtin containing compositions |
| 10/28/1993 | WO1993020898A1 High temperature process and plant for treatment and resources recovery of hazardous waste |
| 10/28/1993 | CA2118247A1 Process for decreasing chlorine content of chlorinated hydrocarbons |
| 10/28/1993 | CA2118003A1 Plasma torch processing of spent aluminum smelter potliner |
| 10/26/1993 | US5256854 Tunable plasma method and apparatus using radio frequency heating and electron beam irradiation |
| 10/21/1993 | DE4212479A1 Microorganism culture obtd. in mineral medium - contg. hexa:chloro-cyclohexane as sole carbon source, used to break down chlorinated cyclic cpds. |
| 10/20/1993 | EP0566122A2 In-situ restoration of contaminated soils and groundwater |
| 10/20/1993 | EP0486578B1 Process for purifying and processing contaminated materials |
| 10/19/1993 | US5254796 Oxidation process |
| 10/19/1993 | US5254231 Method and apparatus for chemically altering fluids in continuous flow |
| 10/19/1993 | US5253597 Process for separating organic contaminants from contaminated soils and sludges |
| 10/17/1993 | CA2094092A1 In-situ restoration of contaminated soils and groundwater |
| 10/17/1993 | CA2094091A1 In-situ restoration of contaminated soils and groundwater using calcium chloride |
| 10/14/1993 | WO1993020593A1 Process for recycling solids, powders and sludges contaminated with mercury |
| 10/14/1993 | WO1993019836A1 Method and apparatus for effecting gas-liquid contact |
| 10/14/1993 | WO1993019812A1 Treatment of liquids |
| 10/14/1993 | WO1993019811A1 Biocatalysis |
| 10/14/1993 | CA2133551A1 Treatment of liquids |
| 10/14/1993 | CA2110400A1 Process for recycling solids, powders and sludges contaminated with mercury |
| 10/13/1993 | EP0565275A1 Process for the synthesis of fullerenes |
| 10/13/1993 | EP0564964A1 Process for the destruction of toxicants produced during the elimination of organic waste |