Patents for A62D 101 - Harmful chemical substances made harmless, or less harmful, by effecting chemical change (5,283)
03/1998
03/03/1998US5722928 Contacting waste with water soluble phosphate, sulfuric and/or nitric acids, complexing agent containing iron, aluminum and/or chloride ions to form less soluble lead product and inhibit leaching
02/1998
02/26/1998WO1998007661A1 Process for decomposing triiodobenzene derivatives
02/26/1998DE19635531A1 Verfahren zum Abbau von Triiodbenzolderivaten in wäßrigen Medien A method of degrading in aqueous media Triiodbenzolderivaten
02/26/1998DE19635365A1 Forming mineral phases with hydraulic properties
02/24/1998US5720927 Impinging flow of chemical compound on heated member
02/24/1998US5720578 Wet oxidizing mud or suspended earth by oxidation with oxygen, heating and pressurizing in the presence of an iron compound and a quinone promoter
02/18/1998EP0823855A1 Catalytic-hydrothermal disposal process of chemical military materials
02/18/1998CN1173836A Compost decontamination of DDT contaminated soil
02/18/1998CN1173835A Anaerobic/aerobic decontamination of DDT contaminated soil by repeated anaerobic/aerobic treatments
02/17/1998US5719099 One step; using a sulfonated calcium aluminum magnesium phosphate
02/11/1998EP0823266A1 Process and device for the disposal of carbonised coke and/or pyrolysis dust
02/10/1998US5716590 Catalytically active material comprises elemental silicon and at least one transition metal or transition metal silicide
02/10/1998US5716316 Treatment of fly ash produced by a waste incinerator and containing chlorides of toxic metals
02/05/1998DE19630527A1 Decontamination of soil or building rubble containing chromate(s)
02/03/1998US5714665 Method and apparatus for the decomposition and re-use-as-resource treatment of ozone layer-depleting substances by application of UV light
02/03/1998US5714128 Apparatus for destruction of chemical warfare agents
02/03/1998US5714085 Aqueous mixture of group 1a and 2a salts with tannin and pyroligneous acid; solidification
01/1998
01/28/1998EP0820532A1 Process for the separation of copper and heavy metals from incinerated garbage residue and slag
01/28/1998EP0820328A1 Catalytic oxidation
01/27/1998US5711635 Apparatus for hazardous waste vitrification
01/21/1998EP0819449A1 Process for decomposing fluorocarbons, reagent and apparatus used therefor
01/21/1998CN1171058A Buffering of cementitious hazadous waste compositions containing electric arc furnace dust
01/20/1998US5711019 Method for treating electrolyte to remove Li2 O
01/20/1998US5711018 Rotary kiln treatment of potliner
01/20/1998US5711017 Process for the destruction of chemical agents and munitions
01/20/1998US5710360 Induction heating, vaporization, removal; waste recycling
01/20/1998US5710359 Environmentally appropriate degradation and disposal of heteroatom-containing compounds
01/20/1998US5710358 Oxidative detoxification of phosphonothiolates and phosphonothioic acids
01/20/1998US5709841 Waste stream treatment
01/20/1998US5709800 Environmentally acceptable waste disposal by hydrothermal decomposition of labile compounds with nitrite
01/15/1998WO1998001866A1 Methods of decontaminating substrates with in situ generated cyanides
01/14/1998EP0818219A1 Process for detoxicating noxious wastes and a detoxicating agent used for the process
01/13/1998US5707508 Apparatus and method for oxidizing organic materials
01/08/1998WO1998000246A1 Apparatus and method for hazardous waste vitrification
01/08/1998WO1998000202A1 Paint for nonhazardous removal of heavy metals and method for using the same
01/08/1998DE19728182A1 System for decomposition of poly:chloro-bi:phenyls into harmless substance
01/07/1998EP0814875A1 A method for treatment of halogen-containing waste material
01/07/1998EP0814874A1 Improved method for the treatment and stabilization of hazardous waste
01/06/1998US5705140 Process for the transformation of halogenated refrigerant gases
12/1997
12/30/1997US5703131 Method for the detoxification of mustard gas sulfur-containing quaternary ammonium ionene polymers and their use as microbicides
12/29/1997EP0813438A1 Feed processing employing dispersed molten droplets
12/18/1997WO1997047363A1 Biodegradation of metal cyanides
12/18/1997WO1997047362A1 Removal of heavy metals from waste incineration or glass furnace residues
12/17/1997EP0595968B1 Plasma disintegration for waste material
12/17/1997EP0556385B1 Process for fixing lead-contaminated ecologically hazardous industrial waste materials using clinoptilolite zeolite
12/16/1997US5698829 Providing solution of toxic chemicals, solvent, and photosensitixer, exposing to ultraviolet radiation or sunlight
12/16/1997US5698762 Covering with a non-combustible material consisting of loose, discrete particles like sand; irradiating
12/16/1997US5698759 Treatment of polyvinylchloride
12/11/1997WO1997038943A3 Apparatus and method for oxidizing organic materials
12/11/1997DE19654624C1 Corynebacterium sp. K2-17
12/10/1997CN1036635C Material processing
12/09/1997US5695775 Decontaminating of skin or materials contaminated by chemical warfare agents
12/09/1997US5695732 Method for treating a halogenated organic waste to produce halogen gas and carbon oxide gas streams
12/03/1997EP0809526A1 Method for capture of chlorine dissociated from a chlorine-containing compound
12/03/1997EP0625216B1 Process for remediation of lead-contaminated soil and waste battery casings
11/1997
11/27/1997WO1997044096A1 Plasma incineration method
11/27/1997CA2255623A1 Plasma incineration method
11/26/1997CN1165715A Method for treatment of waste material
11/20/1997WO1997043014A1 Degradation of biodegradable polyester amides with enzymes
11/20/1997DE19619236A1 Abbau von biologisch abbaubaren Polyesteramiden mit Enzymen Degradation of biodegradable polyester amides with enzymes
11/20/1997CA2254094A1 Degradation of biodegradable polyester amides with enzymes
11/19/1997EP0807474A1 Method and equipment for the disposal of materials such as waste
11/19/1997EP0807154A2 Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery
11/19/1997CN1165486A Treatment process for contaminated waste
11/18/1997US5689798 Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines
11/18/1997US5689038 Decontamination of chemical warfare agents using activated aluminum oxide
11/13/1997DE19618663A1 Decontaminating plastics mat
11/11/1997US5686365 Method for dissolution and stabilization of silica-rich fibers
11/04/1997US5683663 Decomposition of cyanide in electrolytic cell lining
10/1997
10/30/1997WO1997040107A1 Method of nonhazardous removal of paint containing heavy metals and coating preparation for performing the same
10/29/1997EP0477273B1 Improved method and products for treating asbestos
10/28/1997US5681434 Plasma processor wuth multiple containment vessels
10/23/1997WO1997038943A2 Apparatus and method for oxidizing organic materials
10/21/1997US5679132 Method and system for injection of a vaporizable material into a molten bath
10/15/1997EP0800871A1 Waste disposal material and method
10/15/1997EP0800416A1 Buffering of cementitious hazardous waste compositions containing electric arc furnace dust
10/14/1997US5678244 Method for capture of chlorine dissociated from a chlorine-containing compound
10/14/1997US5678243 Mixing the toxic nerve agents with water in storage container
10/14/1997US5678238 Applying alkaline aqueous silica solution containing emulsifier to contamination, allowing reaction to occur, forming amorphous silica material in which impurities are encapsulated
10/14/1997US5678234 Process for the encapsulation and stabilization of radioactive, hazardous and mixed wastes
10/14/1997US5678233 Introducing apatite precursor into aqueous solution containing toxic heavy metal or radioactive material, creating monolithic apatite-like crystalline wasteform having hazardous material immobilized in crystal structure
10/14/1997US5678231 Purification by sequestering the hazardous metal with ammonium cyanide formed by mixing ammonia solution with a refrigerant fluorohydrocarbons
10/09/1997WO1997037048A1 Process for separating sulphide-containing materials using hydrogen peroxide
10/08/1997EP0799159A1 Dechlorination of tce with palladized iron
10/08/1997EP0799079A1 Elimination of cyanides in the dehalogenation of halofluorocarbons
10/08/1997CN1161655A Carbonization of halocarbons
10/07/1997US5674462 Method for the removal of non-metal and metalloid hydrides
10/07/1997US5674176 Reacting heavy metal with phosphoric acid or calcium or ammonium phosphates and portaland cement to adjust ph and forming nonsoluble salt, which may be safly disposed of in a landfill
10/07/1997US5674108 Method for removing coatings which create hazardous byproducts
10/07/1997CA2077509C Fixation of heavy metals in scrubbed municipal solid waste incinerator ash
10/02/1997DE19613746A1 Verfahren zur Auftrennung sulfidhaltiger Restprodukte des Bergbaus und der Metallverarbeitung A process for separating sulphide waste products of mining and metal processing
10/01/1997EP0628152B1 A method of destroying explosive substances
09/1997
09/30/1997US5672778 Catalytic oxidation of alkanes to alkylhydroperoxide; decomposition to alcohols
09/30/1997US5672266 Mixing organochlorine compound with lewis acid for partial dechlorination in absence of elemental carbon
09/25/1997WO1997034713A1 Method of dechlorinating organic chlorine compound
09/25/1997WO1997034660A1 Method for hot and supercritical water oxidation of material using specific reactants
09/25/1997CA2249404A1 Method for hot and supercritical water oxidation of material using specific reactants
09/24/1997EP0796303A1 Method of removing sulfur compounds from sour crude oil and sour natural gas
09/24/1997EP0796143A1 Method for the chemical conversion of complex chemical structures under reducing conditions in a supercritical fluid
09/23/1997CA2062054C Destruction of polychlorinated biphenyls
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