Patents for A62D 3 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances (9,310)
08/1990
08/09/1990DE3903549A1 UV light for the degradation of pollutants, in particular of halogenated hydrocarbons
08/08/1990EP0380782A1 Liquid dehalogenation agents
08/08/1990CN1009072B Process for the destruction of by-product tetranitromethane
08/02/1990DE3901358A1 Verfahren und vorrichtung zur entfernung toxischer mittel aus trichlortrifluorethan Method and device for removal of toxic medium of trichlorotrifluoroethane
08/02/1990CA2009007A1 Liquid dehalogenating agents
07/1990
07/25/1990EP0378578A1 Apparatus and process for the detoxification of hazardous waste.
07/19/1990DE3901356A1 Verfahren und vorrichtung zum reinigen von reinigungsloesungsmitteln Method and device for cleaning of cleaning solvents
07/17/1990US4941991 Composition and process for use in neutralizing malodorous gases
07/17/1990US4941957 Decomposition of volatile ogranic halogenated compounds contained in gases and aqueous solutions
07/12/1990DE3900441A1 Process for the liberation of chlorofluoroalkanes from foamed plastic
07/05/1990DE3844084A1 Process for preparing a decontaminant for vehicles, equipment and weapons contaminated with chemical warfare agents such as S-LOST, N-LOST, lewisite, organic phosphate esters such as Tabun, Soman, Sarin, VR and VX, especially the chemically thickened warfare agents
07/03/1990US4938936 Hydrogen fluoride vapor containment and neutralization
06/1990
06/28/1990WO1990006901A1 A method for stimulating biodegradation of halogenated aliphatic hydrocarbons
06/28/1990DE3843146A1 Process for the biological treatment of contaminated materials
06/26/1990US4937065 Process for the chemical-thermal degradation of haolgenated hydrocarbons
06/21/1990DE3841844A1 Verfahren und vorrichtung zum kontinuierlichen zerlegen in ihre bestandteile fliessfaehiger organischer medien, insbesondere von halogenierten kohlenwasserstoffe enthaltenden abfallprodukten und zum weiteren aufbereiten u./o. Method and apparatus for continuously decomposed into their constituents fliessfaehiger organic media, in particular of halogenated hydrocarbons containing waste products and to further prepare u. / O. entsorgen Dispose
06/19/1990US4935114 Microwave-enhanced chemical processes
06/19/1990US4934286 Apparatus and method for the disposal of waste
06/19/1990US4934149 Method of reducing chlorofluorocarbon refrigerant emissons to the atmosphere
06/13/1990EP0372084A1 Asbestos-treating agent and process for treating asbestos
06/06/1990EP0371201A1 Process for the hydrogenation of chloroorganic compounds and neutralisation of the resulting hydrogen chloride, and neutralising agent for hydrogen chloride resulting from chloroorganic compounds
06/05/1990US4931192 Method for the disposal of hazardous non-polar organic wastes
06/05/1990US4931167 Degradation of polychlorinated biphenyls
05/1990
05/29/1990US4929781 Process for the simultaneous hydroconversion of a first feedstock comprising unsaturated, halogenated organic compounds and a second feedstock comprising saturated, halogenated organic compounds
05/23/1990DE3936516A1 Verfahren und vorrichtung zum zersetzen von halogenierten organischen verbindungen Method and apparatus for decomposing halogenated organic compounds
05/22/1990US4927520 Process for treating a hydrocarbonaceous stream containing a non-distillable component to produce a hydrogenated distillable hydrocarbonaceous product
05/22/1990US4927293 Method and apparatus for remediating contaminated soil
05/15/1990US4925999 Method for non-pollution processing of halogenated organic compounds
05/15/1990US4925802 Method for stimulating biodegradation of halogenated aliphatic hydrocarbons
05/15/1990US4924785 Controlled heating composite; supplying substoichiometric amount of air
05/15/1990CA1269184A1 Stimulation of biooxidation processes in subterranean formations
05/15/1990CA1269183A1 Method for decontaminating a permeable subterranean formation
05/01/1990US4921936 Process for destruction of toxic organic chemicals and the resultant inert polymer by-product
04/1990
04/26/1990DE3835941A1 Verfahren der kunststoffpyrolyse im sandkoker Method of kunststoffpyrolyse in sandkoker
04/17/1990US4918240 Insolubilizing with metal oxides, hydroxides, solvent extraction; free of palladium or platinum catalyst poisons
04/17/1990US4917816 Stabilized peroxide compositions and process for producing same
04/17/1990US4917785 Liquid processing system involving high-energy discharge
04/05/1990DE3926757A1 Stabilised detoxification and disinfectant compsn. - contg. bleaching powder or calcium hypochlorite, and crystalline adsorbent powder, esp. mol. sieve to fix moisture and chlorine
04/05/1990DE3918292A1 Treating flue ash in combustion gases from incineration plant - by treating with acid soln. to dissolve heavy metals and reprecipitating as sulphide cpd(s) on ash residue
04/04/1990EP0360941A2 Decompostion of volatile organic halogenated compounds contained in gases and aqueous solutions
04/03/1990US4913835 Novel compositions and method for neutralization and solidification of hazardous alkali spills
03/1990
03/27/1990US4911758 Washing with sodium hydroxide solution, adding calcium oxide or hydroxide; distillating; heating
03/20/1990US4910353 Dehalogenation of polychlorinated biphenyls and other related compounds
03/20/1990US4909947 Process for detoxifying high aqueous content hazardous waste streams
03/20/1990US4909849 Cementitious material containing promoter and permeability reducing agent
03/20/1990US4909164 Hazardous waste incinerator using cyclotron resonance plasma
03/20/1990CA1266949A1 Treatment of hazardous material with vapor suppressing, persistent, water-containing, polymeric air foam
03/15/1990DE3829779A1 Process for removing organic chlorine compounds from a fluid to be purified
03/13/1990CA1266573A1 Soil and industrial waste decontamination
03/07/1990EP0219542B1 Method for decontaminating soil
03/06/1990US4906302 Solids decontamination method with ammonia
02/1990
02/22/1990DE3840565A1 Process for the hydrogenation of organochlorine compounds and neutralisation of the hydrogen chloride produced, and neutralising agents for hydrogen chloride produced from organochlorine compounds
02/20/1990US4902842 Process for the simultaneous hydroconversion of a first feedstock comprising unsaturated, halogenated organic compounds and a second feedstock comprising saturated, halogenated organic compounds
02/20/1990US4902441 Self moistening composition for deactivating toxic substances and method of use
02/20/1990US4902408 Process for removing hydrogen sulphide using metal compounds
02/15/1990DE3827086A1 Process and apparatus for thermal decontamination of filter dusts and other residues
02/06/1990US4899001 Process for the simultaneous hydroconversion of a first feedstock comprising unsaturated, halogenated organic compounds and a second feedstock comprising saturated, halogenated organic compounds
01/1990
01/30/1990US4896614 Combustion, cooling, passing through molecular sieves
01/30/1990CA1265082A1 Analog enrichment decontamination process
01/25/1990DE3824383A1 Method and mobile devices for renovating buildings by making solid materials, which are detrimental to health and give off dust, capable of being dumped in an environmentally friendly way
01/23/1990US4895995 Process for the simultaneous hydroconversion of a first feedstock comprising unsaturated, halogenated organic compounds and a second feedstock comprising saturated, halogenated organic compounds
01/18/1990DE3916737A1 Engineering arrangement for the biodegradation of chlorinated organic solvents
01/17/1990CN1038771A Comprehensive utilization and eliminating poison of chromium cinder
01/16/1990CA1264468A1 Peroxide compositions and process for producing same
01/09/1990US4892719 Reaction with polyamine
01/09/1990US4892712 Fluid flow through a matrix coated with a photoreactive semiconductor, pollution control
01/02/1990US4891320 Methods for the degradation of environmentally persistent organic compounds using shite rot fungi
12/1989
12/28/1989WO1989012482A1 Process and device for separating harmful substances
12/28/1989WO1989010772A3 Use of metal chelate complexes in dehalogenation
12/26/1989US4889640 Method and mixture for treating hazardous wastes
12/21/1989DE3820317A1 Process for separating flowable organic media containing harmful or polluting constituents
12/19/1989US4888101 System for and method of photocatalytically modifying a chemical composition and method of constructing a panel utilized in the system and the method
12/19/1989US4888030 Hydrated aluminum silicate, calcium hydroxide, sodium bicarbonate
12/14/1989WO1989012086A1 Process and facility for pyrolysis of plastics, special waste containing organic materials, etc., in modified sand cokes
12/14/1989WO1989011870A1 Use of special amines to prevent nitrosamine formation
12/13/1989EP0345967A2 Treatment of hazardous materials with aqueous air foam of polyhydroxy polymer
12/13/1989EP0200743B1 Destruction of toxic chemicals
12/06/1989EP0344564A1 Utilisation of special amines or hindering nitrosamine production
12/06/1989EP0344563A2 Process for inactivating industrial wastes of chrysotile asbestos
11/1989
11/29/1989CN1037459A Method of contaminating location containing pyrophoric p4 contamination
11/28/1989US4883608 Polymeric decontamination composition
11/23/1989EP0342876A2 Waste treatment
11/16/1989WO1989010772A2 Use of metal chelate complexes in dehalogenation
11/16/1989DE3815507A1 Process and plant for decontaminating material contaminated by toxic organic compounds
11/09/1989DE3814684A1 Process for decontaminating soils containing elemental mercury
11/02/1989WO1989010338A1 Asbestos-treating agent and process for treating asbestos
11/02/1989WO1989010162A1 Hazardous waste incinerator using cyclotron resonance plasma
11/02/1989EP0339526A1 Low-pressure plants operating with volatile toxic compounds
11/02/1989EP0232339B1 Protective and/or camouflage material
11/02/1989DE3813613A1 Process for pyrolysing halogen-containing, toxic hydrocarbon compounds
11/02/1989DE3812986A1 Decontamination process for soils contaminated by heavy metal, especially for mercury
10/1989
10/25/1989EP0338060A1 Method for stabilizing, solidifying and storing waste material
10/25/1989CN1036557A Process for detoxifying bottoms draw-off from high temperature chlovination reactor
10/24/1989US4876201 Method for biodegrading PCBS
10/17/1989US4874641 Applying a biodegradable foam comprising an aqueous synergistic mixture of an organic sulfate or sulfonate salt and an acid salt
10/17/1989US4874587 Vapor phase decomposing organic compounds with water
10/17/1989US4874532 Method for decontamination of toxic chemical agents
10/17/1989CA1262339A1 Cloning the halo-organic biodegradable gene
10/12/1989DE3815753C1 Emulsion for the decontamination of materials poisoned by chemical weapons
10/05/1989DE3810707A1 Process for disposing of organic chlorine compounds by reaction with metals or oxides, with formation of metal chlorides
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