Patents for A62D 101 - Harmful chemical substances made harmless, or less harmful, by effecting chemical change (5,283)
05/1996
05/29/1996EP0663960A4 Method for removing mercury from contaminated soils and industrial wastes and related apparatus.
05/29/1996CN1123267A Process for hydrotreating an organic feedstock containing olefinic compands and a halogen component
05/28/1996CA2076871C Sludge treatment process
05/23/1996WO1996014901A1 Treatment process for contaminated waste
05/23/1996DE4441508A1 Limiting harmful emissions from furnaces
05/22/1996EP0712886A1 Method of treating plastic waste
05/22/1996EP0712643A1 Immobilisation of pollutants in and by clay materials
05/21/1996US5519162 Method for removing a hydrogen cyanide contaminant from an organic liquid
05/17/1996WO1996014726A1 Process and apparatus for chemical conversion
05/15/1996EP0711580A1 Method of decomposing halogenated aromatic compound with alkaline substance
05/14/1996US5516974 Treating agent for making harmless and immobilizing fly ash containing noxious metals and a method for the immobilizing treatment using it
05/14/1996US5516973 Digesting in a weak acid and ammonium fluoride or sodium fluoride to hydrolyze and destroy the crystal structure, building materials
05/14/1996US5516972 Mediated electrochemical oxidation of organic wastes without electrode separators
05/14/1996US5516971 Nitrocellulose
05/14/1996US5516970 Contacting an explosive with a pressurized flow of solvent to produce a mixture of explosive and solvent
05/14/1996US5516968 Methods of decontaminating mercury-containing soils
05/14/1996US5515716 Ultrasound rarefaction and compression waves cause organochlorine compounds to decompose
05/07/1996US5514352 Apparatus for high speed air oxidation of elemental phosphorous wastes in aqueous medium
05/07/1996CA1338313C Use of metal chelate complexes in dehalogenation
05/02/1996WO1996012527A1 Carbonization of halocarbons
05/01/1996EP0709116A1 Process for thermal-catalytical treatment of chemical warfare agents
04/1996
04/30/1996US5512702 Method for in-situ immobilization of lead in contaminated soils, wastes, and sediments using solid calcium phosphate materials
04/25/1996WO1996011756A1 Process for treating a material containing inorganic matter
04/25/1996DE4437851A1 Polychlorinated bi:phenyl contaminated workpiece decontamination
04/25/1996DE19501597C1 Destruction of chemical weapons with alkali metals
04/25/1996CA2202515A1 Process for treating a material containing inorganic matter
04/24/1996EP0707868A1 Chemical destruction of toxic organic agent
04/23/1996US5509969 Cleaning surface that has been treated with paint remover
04/18/1996DE4436503A1 Restoration of contaminated surface from which harmful gases escape
04/17/1996EP0706427A1 In-situ remediation of contaminated heterogeneous soils
04/17/1996CN1120822A Smelting of carbon-containing material
04/16/1996US5507927 Subjecting wastes to microwave radiation; degradation without pyrolysis
04/11/1996DE4435618A1 Preventing elution of heavy metals in filter dust or ash from waste incinerators,
04/10/1996EP0705221A1 Method and apparatus for photochemically oxidizing gaseous organic compounds
04/10/1996CN1120015A Aluminum smelting electrode destruction with molten salt
04/09/1996US5505143 System for controlling chemical reaction in a molten metal bath
04/04/1996WO1996009902A1 Waste treatment chemical and waste disposal method
04/02/1996US5503768 Composition for suppressing release of halogen gas harmful to humans
03/1996
03/28/1996WO1996009092A1 A method for decomposing halogenated organic compounds
03/28/1996DE4433412A1 Processing distn. residues from photographic processing solns.
03/28/1996DE4433275A1 Immobilising strontium and barium ions in sludge from sulphide leaching plants
03/26/1996US5501161 Process for the thermal treatment of solids which arise in the purification of flue gases
03/21/1996WO1996008323A1 Methods of decontaminating soils containing hazardous metals
03/21/1996DE4433413A1 Purificn. of metal-contaminated, sulphate-rich, acidic water
03/21/1996DE4430686A1 Heavy metal decontamination process
03/21/1996DE19526495A1 Thermally treating hydraulically bonded mineral fibre materials
03/21/1996CA2198385A1 Methods of decontaminating soils containing hazardous metals
03/13/1996EP0471729B1 Corrin mediated degradation of organic nitrogen compounds
03/12/1996US5498826 Plasmatron with steam as the plasma gas and process for stable operation of the plasmatron
03/12/1996US5498401 Disposal of hydrazine propellants
03/07/1996DE4430985A1 Treating finely-divided residues contg. heavy metals
03/06/1996EP0699475A1 Dephosphorizing material and dephosphorizing method
02/1996
02/28/1996EP0698401A2 Method for removing a hydrogen cyanide contaminant from an organic liquid and method for detecting hydrogen cyanide impurities in a organic liquid
02/27/1996US5495064 Using acids of phosphorus
02/27/1996US5495063 Burning in controlled manner in combustion chamber to form slag and crude gas, passing gas through high temperature zone, cooling, purifying by wet or dry method, releasing as waste air
02/27/1996US5495062 Mixing liquid ammonia with contaminated soil in closed vessel, allowing soil particles to precipitate while forming upper phase of dispersed soil fines, separating phases, separating ammonia from soil fines containing nuclear waste
02/24/1996CA2156699A1 Method for removing a hydrogen cyanide contaminant from an organic liquid
02/22/1996WO1996005009A1 An indexable insert
02/22/1996WO1996005002A1 Heavy metal-containing waste treating process and apparatus
02/22/1996DE4443090C1 Treatment device for asbestos or asbestos contg. waste
02/22/1996DE4428514A1 Wendeschneidplatte Indexable insert
02/22/1996DE4415278A1 Leach-resistant storage of contaminated mineral material
02/21/1996EP0696929A1 Method for the decomposition of trichloroacetic acid
02/20/1996US5493042 Process for removing silanes from by-product stream
02/20/1996US5492634 Method for treating halogenated hydrocarbons prior to hydrothermal oxidation
02/15/1996WO1996004598A1 Pressure reduction system and method
02/15/1996DE19528394A1 Removal of chemical warfare agents from skin and materials
02/14/1996CN1116828A 废物管理设施 Waste Management Facilities
02/13/1996US5491281 Treatment of in situ waste and in process hazardous materials containing polychlorinated biphenyls by breaking down with heat generated from reaction of quicklime coated with fatty acid salt, water
02/13/1996US5491280 Injector nozzle for molten salt destruction of energetic waste materials
02/13/1996US5491279 Dissociating solid waste, forming gaseous oxygenated product
02/13/1996US5490941 Method of treatment of a fluid containing volatile organic halogenated compounds
02/13/1996US5490919 Reacting with alkali hydroxide in alcoholic solution and in presence of heterogenous transfer hydrogenolysis catalyst
02/08/1996WO1996003200A1 Method for the removal of non-metal and metalloid hydrides
02/08/1996WO1996003182A1 The disposal of organic materials encased in metal
02/08/1996WO1996003181A1 Method for processing and inerting ashes obtained from solid residues subjected to thermal processes
02/08/1996WO1995026127A3 Method of treating plastic waste
02/07/1996EP0695224A1 Compositions and methods for waste treatment
02/06/1996US5489741 Treatment and stabilization of hazardous waste
02/06/1996US5489370 Removal of ions from a bulk source by electropotential ion transport using a host receptor matrix
02/06/1996CA2060457C Method for burning halogenated hydrocarbon containing waste
01/1996
01/25/1996DE4426711A1 Chemical and morphological transformation of asbestos material
01/25/1996DE4422246C1 Biological disposal of untreated, tanned or finished leather
01/25/1996DE19514309A1 Verfahren zum Unschädlichmachen von chlorhaltigen Substanzen im Industrieabfall A method for rendering harmless of chlorine-containing substances in industrial waste
01/24/1996EP0693306A1 Method for fabrication of secondary row materials from waste
01/24/1996EP0693005A1 Smelting of carbon-containing material
01/24/1996CN1115259A Method for harmless treatment of Cr liquor and Cr slag by using silicate material
01/21/1996CA2152741A1 Process for harmlessly decomposing chlorine-containing industrial waste
01/18/1996DE4424756C1 Microbial decontamination of material, esp. demolition material
01/17/1996CN1114909A Apparatus and method for decomposition of chemical compounds
01/16/1996US5484978 Pyrolysis
01/09/1996CA1337902C Processes for decontaminating polluted substrates
01/04/1996WO1996000114A1 Waste treatment
01/04/1996DE4423076A1 Disposal of batteries contg. mercury
01/04/1996DE4422468A1 Immobilising elementary mercury in contaminated solid, e.g. soil
01/03/1996EP0689858A1 Process and product of the immobilisation of heavy metals
01/03/1996EP0632751B1 Process for disposal of asbestos or substances containing it
01/02/1996US5481064 Solidification in absorber material, incineration
01/02/1996US5481062 Method of destroying explosive substances
01/02/1996US5480579 Composition for dehalogenation and degradation of halogenated organic contaminants
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