| Patents for A62D 101 - Harmful chemical substances made harmless, or less harmful, by effecting chemical change (5,283) |
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| 05/19/1993 | EP0542404A1 Detoxification of aluminum spent potliner |
| 05/19/1993 | EP0541871A1 Hydroconversion of a waste feedstock comprising highly reactive organic compounds |
| 05/18/1993 | US5211777 Diluent and filler |
| 05/12/1993 | CN1071848A Deep oxidation of halogenated organics with porous carbonaceous materials |
| 05/12/1993 | CN1020588C Process for detoxifying bottoms draw-off from high temp. chlorination reactor |
| 05/11/1993 | US5209774 Discharged from a chlor-alkali plant, leaching with acid and sodium hypochlorite, thickening |
| 05/08/1993 | CA2082341A1 Method for treatment of potlining residue from primary aluminium smelters |
| 05/04/1993 | USH1189 Method and apparatus for destroying certain chemical and biological warfare agents |
| 04/28/1993 | EP0538598A1 Process for converting water soluble heavy metal compounds into water insoluble, or sparingly soluble, compounds |
| 04/22/1993 | DE4134480A1 Decontamination of fly ash and filter dust from combustion plant - involves heating to high temp. with air in rotary calciner and recycling flue gas to combustion, useful for removal of dioxin(s) and furan(s) and prevents environmental pollution |
| 04/21/1993 | EP0538205A1 Process for making inert industrial waste with a high content of heavy metals, for example lead |
| 04/07/1993 | EP0535758A1 Toxic waste fixant and method for using same |
| 04/07/1993 | EP0535757A1 Fixant for mixed organic and inorganic contaminated materials and method for using same |
| 04/01/1993 | WO1993005845A1 Method/process for the disposal of halogenated hydrocarbons and similar intractable materials |
| 03/31/1993 | EP0534231A1 Fixation of heavy metals in scrubbed municipal solid waste incinerator ash |
| 03/30/1993 | US5198122 Method of detoxification of substances by utilization of ultrasonic energy |
| 03/30/1993 | US5197823 Method and apparatus for treating PCB-containing soil |
| 03/25/1993 | DE4131577A1 Disposable non-thixotropic metal hydroxide prodn. - from cyclone dust in titanium di:oxide mfr. by filtering acidic paste and oxidn. using before neutralising |
| 03/25/1993 | DE4131471A1 Catalytic hydrogenation of nitro-aromatic explosive in alcohol soln. - at low temp. and hydrogen@ pressure, giving high yield without safety problems |
| 03/24/1993 | EP0532857A1 Method for the treatment of residues of a chlorosilane distillation with steam |
| 03/23/1993 | US5196617 Method of hydrodehalogenating halogenated organic compounds in aqueous environmental sources |
| 03/18/1993 | DE4130881A1 Minimising solid loss in batch hydrolysis of chloro-silane distn. residue - by reducing initial temp. and steam supply before reaching hydrolysis temp. |
| 03/18/1993 | DE4130880A1 Continuous hydrolysis of chloro-silane distn. residue with steam - at temp which increases during reaction to reduce dust formation |
| 03/16/1993 | US5193936 Stabilization of leachable lead with sulfate ion and phosphate ion |
| 03/12/1993 | WO1993004995A1 Process for fixing lead-contaminated ecologically hazardous industrial waste materials using clinoptilolite zeolite |
| 03/04/1993 | WO1993003879A1 Electrodeless plasma torch apparatus and methods for the dissociation of hazardous waste |
| 03/03/1993 | EP0529203A1 Process for the disposal of wood impregnated with tar |
| 03/03/1993 | EP0528982A1 Catalysts for the destruction of halogenated organics. |
| 03/02/1993 | US5191155 Pollution control with multistage reaction with combustion of wastes |
| 03/02/1993 | US5191154 Method and system for controlling chemical reaction in a molten bath |
| 02/23/1993 | CA1313884C Process for detoxifying a bottoms draw-off from a high temperature chlorination reactor |
| 02/18/1993 | WO1993003308A1 Plasma disintegration for waste material |
| 02/18/1993 | WO1993002854A1 Stabilizing inorganic substrates |
| 02/18/1993 | WO1993002751A1 Method and system for controlling chemical reaction in a molten bath |
| 02/18/1993 | WO1993002750A1 Method and system for oxidation in a molten bath |
| 02/18/1993 | CA2114646A1 Stabilizing inorganic substrates |
| 02/18/1993 | CA2113175A1 Method and system for controlling chemical reaction in a molten bath |
| 02/18/1993 | CA2113174A1 Method and system for oxidation in a molten bath |
| 02/17/1993 | EP0527416A2 Process and device for disposing of an organic substance |
| 02/17/1993 | EP0527309A1 Method for processing chlorosilane distillation waste with hydrochloric acid, producing no waste water |
| 02/16/1993 | US5187344 Apparatus for decomposing halogenated organic compound |
| 02/10/1993 | EP0527077A1 Method for treating environmentally strongly polluting wastes |
| 02/10/1993 | EP0526956A2 Method for treatment of primers containing mercury compounds, potassium chlorate and antimony trisulphide |
| 02/09/1993 | US5185488 Pollution control of polychlorinated biphenyls |
| 02/03/1993 | EP0525974A1 Deep oxidation of halogenated organics with porous carbonaceous materials |
| 02/03/1993 | EP0524933A1 Methods for neutralizing dyestuff-sludges and waste products. |
| 01/28/1993 | DE4124621A1 Immobilising contaminants, esp. heavy metals, in effluent gases, liq(s). and solids - by converting harmful substances into highly insoluble complex cpds. with jarosite type structure |
| 01/27/1993 | EP0524738A1 Treatment of halogenated compounds |
| 01/27/1993 | CN1068415A Method of reprocessing detonating caps containing mercury compounds, potassium chlorate and antimony trisulphide |
| 01/26/1993 | US5182095 Method for processing residues from the distillation of chlorosilanes |
| 01/26/1993 | US5182030 Regeneration of adsorbents using advanced oxidation |
| 01/21/1993 | DE4124101A1 Rendering solid residues from refuse burning, flue gas purificn. etc., inert - by fusing under reducing conditions to give harmless siliceous residue, heavy metal sump prod. and condensable volatile metal effluent gas |
| 01/20/1993 | EP0523038A1 Degradation of polychlorinated biphenyls |
| 01/13/1993 | EP0522841A2 Decomposition of organic hydroperoxides |
| 01/13/1993 | EP0522140A1 Electrochemical desensitization process |
| 01/10/1993 | CA2073157A1 Decomposition of organic hydroperoxides |
| 01/07/1993 | DE4122175A1 Disposal method for industrial wastes contg. heavy metals - comprises compacting waste powder into briquettes and sintering on microwave bed |
| 01/05/1993 | US5177305 Waste incineration process |
| 01/05/1993 | US5177304 Hazardous wastes |
| 01/05/1993 | US5176897 Catalytic destruction of organohalogen compounds |
| 12/30/1992 | EP0520226A2 Halogen scavengers |
| 12/29/1992 | US5174985 Process for the oxidation of water-insoluble organic compounds |
| 12/29/1992 | US5174893 Alkali metal or alkaline earth metal catalyst and incubation |
| 12/29/1992 | US5174877 Suspension of semiconductor particles to adsorb metal pollutants; filtration; reuse |
| 12/29/1992 | CA2072477A1 Deep oxidation of halogenated organics with porous carbonaceous materials |
| 12/23/1992 | WO1992022512A1 Process for the preparation and leach-resistant solidification of filter dusts and reaction products of flue-gas purification of waste and sewage sludge incineration plants |
| 12/23/1992 | WO1992022511A1 Process for preparing and possibly solidifying filter dusts and/or reaction products |
| 12/22/1992 | US5173286 Fixation of elemental mercury present in spent molecular sieve desiccant for disposal |
| 12/17/1992 | DE4117515A1 Fine grain bed cleaning - includes heavy metal removal and decontamination of toxic organic matter |
| 12/16/1992 | EP0518206A1 Method of treating and consolidating filter-dust and/or reaction products |
| 12/16/1992 | EP0517735A1 Plasmatron with steam as the plasma gas and process for stable operation of the plasmatron. |
| 12/10/1992 | WO1992021917A1 Method and apparatus for decontamination of soils |
| 12/10/1992 | WO1992021409A1 Process for immobilizing heavy metals in the soil |
| 12/09/1992 | EP0516917A2 Method for burning halogenated hydrocarbon containing waste |
| 12/01/1992 | US5167711 Low-temperature ashing of hazardous plastic waste |
| 11/26/1992 | DE4116925A1 Chloro-silane or organo:chloro-silane distn. residue treatment - to recover pure hydrogen chloride and useful free running neutral solid, by acid hydrolysis with sulphuric acid at elevated temps. |
| 11/17/1992 | US5164174 Detoxification of aluminum spent potliner by thermal treatment, lime slurry quench and post-kiln treatment |
| 11/17/1992 | US5163626 Destruction process |
| 11/12/1992 | WO1992019364A1 Method of cleaning gases containing condensable organic pollutants |
| 11/11/1992 | EP0512660A1 Method and apparatus for combined chemical-biological disposal of explosive-containing residues |
| 11/11/1992 | EP0512315A2 Process and apparatus for decontaminating contaminated solids |
| 11/10/1992 | US5162600 Method of treating lead contaminated soil |
| 11/10/1992 | CA2067586A1 Process and device for cleaning polluted solids |
| 11/05/1992 | DE4114560A1 Thixotropic bleaching powder dispersion prodn. for decontamination of chemical warfare agents - involves dispersing bleaching powder in colloidal alumina and silica, and copolymer resin in water |
| 10/28/1992 | EP0510041A1 Waste treatment |
| 10/27/1992 | US5159072 Dichloromethane abatement |
| 10/22/1992 | DE4112550A1 Explosive material disposal - by mixing with coal, briquetting and burning |
| 10/15/1992 | DE4111917A1 Fuel gas prodn. from wastes contaminated with heavy metals - by partial oxidn. in presence of sulphur@ to convert volatilised metals to solid sulphide |
| 10/14/1992 | EP0508697A1 A re-calcination and extraction process for the detoxification and comprehensive utilization of chromic residues |
| 10/06/1992 | US5152844 Lewis acid catalyzed dehydrochlorination; precipitation |
| 09/30/1992 | EP0506642A1 Treatment of particulate material contaminated with poly halogenated aromatics |
| 09/30/1992 | EP0506153A1 Method of decomposition of polyhalogenated organic compounds |
| 09/24/1992 | CA2062497A1 Process of decomposing polyhalogenated organic compounds |
| 09/23/1992 | WO1992016262A1 Immobilization of lead in solid residues from reclaiming metals |
| 09/23/1992 | EP0504203A1 Method and apparatus for effecting gas-liquid contact. |
| 09/16/1992 | EP0503831A1 Destruction of polychlorinated biphenyls |
| 09/09/1992 | EP0502063A1 A method for the destruction of halogen-containing substances |
| 09/09/1992 | CN1018155B Method of contaminating location containing pyrophoric p4 contamination |
| 09/03/1992 | WO1992014562A1 Methods for neutralizing dyestuff-sludges and waste products |
| 09/03/1992 | DE4206308A1 Cleaning and/or disposal of electrical components which contain PCB(s) - using sodium dispersion for PCB elimination from filling and flushing liquids |