Patents for A62D 3 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances (9,310)
03/1998
03/25/1998EP0666834B1 Methods for generating residual disinfectants during the ozonization of water
03/24/1998US5732367 Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials
03/24/1998US5730784 Oxidation to sulfur dioxide
03/24/1998US5730073 Waste flon disposal method
03/19/1998WO1998010837A1 Recirculating treatment of waste gases formed in molten metal baths
03/18/1998EP0829276A1 Process for solidifying residues of purification of fumes from garbage incineration and industrial wastes
03/18/1998EP0799079A4 Elimination of cyanides in the dehalogenation of halofluorocarbons
03/17/1998US5728914 Method and apparatus for disposing of organic halogen compounds
03/17/1998US5728910 Oil-forming method of chlorine-containing plastic refuse
03/12/1998WO1998009722A1 Corona method and apparatus for altering carbon containing compounds
03/11/1998EP0827690A2 Sulphur-containing quaternary ammonium ionene polymers and their use as microbicides
03/11/1998EP0827430A1 Biotechnological purification of ground and water containing heavy metals
03/11/1998EP0670818B1 Method of manufacturing ceramic blocks in which residues containing heavy metals are bound, and the ceramic blocks thus manufactured
03/10/1998US5725752 Carbon felt anode
03/05/1998WO1998008628A1 A method for the treatment, in particular stabilization, of materials containing environmentally noxious constituents, especially from the incineration of waste, as well as a plant for carrying out the said method
03/05/1998DE19638018C1 Portable decontamination apparatus
03/04/1998EP0567602B1 Method and apparatus for decontamination of soils
03/04/1998CN1174811A Process for decomposing fluorocarbons, reagent and apparatus used therefor
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
02/26/1998WO1998007831A1 Novel microorganism and method for environmental purification using the same
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)
02/04/1998EP0822253A2 Novel microbial strain, method for biodegrading organic compounds and method for environmental remediation
02/04/1998EP0822252A2 Microbial strains, method for biodegrading organic compounds and method for environmental remediation
02/04/1998EP0821606A1 Method and apparatus for the removal of harmful constituents from cigarettes and tobacco before smoking
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
01/29/1998DE19642170A1 Recovery of useful product from vehicle oil, spillages etc
01/28/1998EP0820532A1 Process for the separation of copper and heavy metals from incinerated garbage residue and slag
01/28/1998EP0820496A2 Methods for using styrene oil (as heat transfer fluid, hydraulic fluid, lubricant)
01/28/1998EP0820328A1 Catalytic oxidation
01/28/1998EP0591211B1 Reversible transformation of hydrocarbons
01/27/1998US5712219 Air and water pollution control
01/27/1998US5711635 Apparatus for hazardous waste vitrification
01/22/1998DE19628751A1 Floating material used for absorbing oils and greases
01/21/1998EP0819449A1 Process for decomposing fluorocarbons, reagent and apparatus used therefor
01/21/1998EP0819448A1 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
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
01/20/1998US5709734 Method for disposing of ozone-degrading and climatically active halogenated compounds
01/15/1998WO1998001866A1 Methods of decontaminating substrates with in situ generated cyanides
01/15/1998WO1998001241A1 Biodegradation of the gasoline oxygenates
01/14/1998EP0818219A1 Process for detoxicating noxious wastes and a detoxicating agent used for the process
01/13/1998US5707857 Process for the rehabilitation of soils contaminated by hydrocarbons and other biodegradable substances
01/13/1998US5707856 Microbiological method for disposing of organic waste materials
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
01/07/1998EP0690752B1 Process for bioremediation of contaminated soil or groundwater
01/06/1998US5705140 Process for the transformation of halogenated refrigerant gases
01/06/1998US5705049 Catalytic oxidation and carbonylation of aromatic compounds
01/06/1998US5704557 Separation of volatiles and nonvolatiles
01/06/1998CA2084881C Controlled-release microbe nutrients and method for bioremediation
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
12/29/1997EP0813437A1 Method and apparatus for treatment of organic waste material
12/29/1997EP0710150A4 Method and afterburner apparatus for control of highly variable flows
12/23/1997US5700558 Granulated foam of urea-formaldehyde resin and polyurethane, de-dust agent, ground cellulosic material and micribial nutrient of composite of water soluble sources of nitrogen, phosphorus and iron and oleophilic, lipophilic coating
12/18/1997WO1997047363A1 Biodegradation of metal cyanides
12/18/1997WO1997047362A1 Removal of heavy metals from waste incineration or glass furnace residues
12/17/1997EP0730491A4 Chemical waste treatment
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
12/03/1997CN1166794A Method and apparatus for destruction of volatile organic compound flows of varying concentration
12/03/1997CN1166521A Gas formulation containing bittering agent
12/02/1997US5693527 Activation of microorganism by contact with water soluble lignocellulose plant extract to induce expression of enzyme which decomposes di-, trichloroethylene
11/1997
11/27/1997WO1997044096A1 Plasma incineration method
11/27/1997CA2255623A1 Plasma incineration method
1 ... 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 ... 94