Patents for A62D 3 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances (9,310)
08/1997
08/20/1997CN1157584A Method of decontaminating soils containing hazardous metals
08/20/1997CN1157296A Oil-forming method of chlorine-containing plastic refuse
08/19/1997US5659108 Process for the complete saturation of halogenated hydrocarbon streams containing unsaturated compounds
08/19/1997US5658962 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application
08/19/1997US5658961 Microbiological fire-fighting formulation
08/19/1997US5658795 Method for biodegradation of polluting substance
08/14/1997WO1997029214A1 Process for the separation of copper and heavy metals from incinerated garbage residue and slag
08/14/1997WO1997019253A3 Apparatus, systems, compositions, and methods for bioremediation of explosives
08/14/1997CA2216714A1 Process for the separation of copper and heavy metals from incinerated garbage residue and slag
08/13/1997EP0788395A1 Carbonization of halocarbons
08/13/1997EP0788394A1 Process for the treatment of contaminated material
08/13/1997EP0759797A4 Apparatus and method for vitrification of hazardous waste
08/13/1997EP0732964B1 Process and agent for the decontamination by means of micro-organisms
08/13/1997EP0644788B1 Method and appartus for treating organic waste
08/13/1997EP0585316B1 Method of cleaning gases containing condensable organic pollutants
08/13/1997CN1156952A Cyanogen fumigants and method of fumigation using cyanogen
08/12/1997US5656489 Method for the remediation of organoleads especially tetraethyllead (TEL) in contaminated natural media
08/12/1997US5656246 Contaminant destruction by oxidation processing via enhanced ozonation
08/12/1997US5656096 Method for photopyrolitically removing a contaminant
08/07/1997WO1997027941A1 Composition for accelerating the decomposition of hydrocarbons
08/07/1997WO1997027902A1 Method of decomposing asbestos-containing wastes
08/06/1997EP0787540A1 Waste treatment chemical and waste disposal method
08/05/1997US5654264 Octafluorobutane compositions
08/05/1997US5653908 Azeotropic compositions containing octafluorobutane and bis/fluoromethyl/ ether; refrigerants
08/05/1997US5653675 Applying a substance to eliminate microorganisms which eat pollutant-degrading microorganisms
08/05/1997US5653182 Method for neutralizing waste
07/1997
07/31/1997DE19605007A1 Universal treatment process for sludge comprising organic and inorganic materials
07/29/1997US5651833 Treatment of waste water, soils, plastics, wood, etc., steam stripping, catalytic decomposition of contaminants
07/23/1997EP0785035A1 Process for remediating soil
07/22/1997US5650549 Method and apparatus for photothermal destruction of toxic organic compounds contained in a gas stream
07/22/1997US5650128 Volatile compounds, catalytic oxidation and monitoring temperature
07/22/1997US5649895 Stabilization of heavy metals in ash
07/22/1997US5649894 Compositions and methods for waste treatment
07/17/1997WO1997025277A1 Cyanide removal from process water
07/17/1997DE19600774A1 Cyanidentfernung aus Prozeßwasser Decyanidation of process water
07/16/1997EP0783554A1 Oftafluorobutane compositions
07/16/1997EP0783553A1 Octafluorobutane compositions
07/16/1997EP0783552A1 1,1,2,2,3,3,4,4-octafluorobutane compositions
07/16/1997EP0783387A1 Glance coal producing agent for foundry sand
07/15/1997US5648592 Method and apparatus for treating waste and for obtaining usable by-product
07/15/1997US5648591 Mechanical activation, chemical reaction
07/15/1997US5648499 Method of decomposing halogenated aromatic compounds
07/15/1997US5647833 Melting in vessel while stirring and passing electric current, vessel located in metallic container equipped with sensor to detect failure of melting vessel
07/10/1997WO1997024558A1 Method and apparatus for containing and suppressing explosive detonations
07/10/1997WO1997024162A1 Process for the reduction of chlorofluorocarbons and production of derivatives thereof in an electrolytic cell, cell for carrying out said reduction and process for removing the by-products formed within the cell
07/08/1997US5645808 Catalytic oxidation of volatile carbon compounds
07/08/1997US5645518 Method for stabilizing low-level mixed wastes at room temperature
07/08/1997US5645374 Contacting with reduced titanium mixture in presence of catalytic corrin or porphyrin compound
07/03/1997WO1997023416A1 Fungal degradation of high molecular weight hydrocarbons
07/03/1997WO1997023285A1 Method and device for treating an aqueous solution
07/03/1997DE19549270A1 Mineral binder secondary raw material production
07/02/1997EP0781174A1 Methods of decontaminating soils containing hazardous metals
07/01/1997US5643544 Oxidizer, heat exchanger, combustin chamber
07/01/1997US5643466 Treatment of liquids
07/01/1997US5643456 Chelation polymers for forming complexes and bnding metals
06/1997
06/26/1997WO1997022386A1 Destruction of halocarbons
06/25/1997CN1152545A Technology and equipment for recovering yellow phosphorus from phosphorus sludge
06/24/1997US5641679 Pretreating waste with fenton*s reagent, free radicals, ultraviolet light or peroxidase, contacting with selected microorganism for aerobic degradation to carbon dioxide and water
06/24/1997CA2054932C Extraction of metal oxides from coal fly ash by microorganisms and a new microorganism useful therefor
06/18/1997EP0779082A1 Process for treating solid residues containing metals especially residues of purification of fumes from garbage incineration
06/17/1997US5640708 Treatment of waste
06/17/1997US5640707 Using a molten metal bath
06/17/1997US5640704 Process for solidification and immobilization of harmful waste species
06/17/1997US5640702 Method of and system for treating mixed radioactive and hazardous wastes
06/17/1997US5639938 Method of preventing the formation of SO3 -mists from oleum
06/17/1997US5639422 Reducing corrosion of carbon steel reboilers
06/12/1997WO1997021058A1 Reactive waste deactivation facility and method
06/12/1997WO1997020600A1 Aqueous silicate compositions
06/12/1997WO1997013554A3 Process for decomposing stable organic pollutants
06/10/1997US5637355 Pretreating with mixture of phosphate and buffer
06/10/1997US5637283 Method and afterburner apparatus for control of highly variable flows
06/05/1997WO1997019729A1 Method and apparatus for cleaning waste acid
06/05/1997WO1997019598A1 Method for controlling ammonia, arthropod infestation and reducing animal stress in confined room animal husbandry
06/05/1997CA2211977A1 Method for controlling ammonia, arthropod infestation and reducing animal stress in confined room animal husbandry
06/04/1997EP0675748B1 Process for the chemical decomposition of halogenated organic compounds
06/04/1997EP0586645B1 A method of treating liquid effluents containing organic compounds
06/03/1997US5635438 Impregnating solid support; calcining
06/03/1997US5635139 Method and apparatus for destruction of volatile organic compound flows of varying concentration
06/03/1997US5635076 Treatment process for acrylonitrile plant wastewater streams
05/1997
05/29/1997WO1997019253A2 Apparatus, systems, compositions, and methods for bioremediation of explosives
05/29/1997WO1997019176A1 Malathion carboxylesterase
05/29/1997WO1997018858A1 Method and apparatus to destroy chemical warfare agents
05/28/1997EP0775032A1 An indexable insert
05/28/1997EP0754163A4 Iron oxide/magnesium oxide composites and method for destruction of chlorinated hydrocarbons using such composites
05/28/1997EP0674734B1 Ski slope maintenance device
05/28/1997CN1150766A Chromium catalyst and catalytic oxidation process
05/27/1997US5633164 Aerobic process using microorganisms
05/27/1997US5632886 Providing suitable aerobic environment for remediating cultured aerobic bacteria which break down hazardous organic waste products of anaerobic bacteria
05/22/1997DE19647847A1 Decomposition of organic compounds
05/22/1997DE19538604C1 Verfahren zum Abbau stabiler organischer Schadstoffe Process for the degradation of stable organic pollutants
05/21/1997EP0774330A1 Process to recover poles or other elements of impregnated wood and the respective impregnation substances in solution form, and to regenerate said solution
05/21/1997EP0774134A1 Pressure reduction system and method
05/21/1997EP0773816A1 The disposal of organic materials encased in metal
05/21/1997EP0600906B1 Method for oxidation in a molten bath
05/20/1997US5630785 Process for the treatment of waste products
05/15/1997DE19644144A1 Hydrolysis of cyanides and cyano complexes under pressure without scale or blockages
05/15/1997DE19612700A1 Vitrification of sulphur-containing waste
05/14/1997EP0772663A1 Method for recycling conditioned wood and installation for implementing the method
05/14/1997EP0772486A1 Method for the removal of non-metal and metalloid hydrides
05/14/1997EP0599976B1 Composition for providing a foam barrier between a substrate and the atmosphere and the method of use
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