Patents for A62D 3 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances (9,310)
12/1994
12/08/1994DE4318223A1 Process for the disposal of brominated chlorofluoro hydrocarbons
12/07/1994EP0626871A1 Method and apparatus for the controlled reduction of organic material.
12/07/1994EP0574534B1 Immobilization of lead in solid residues from reclaiming metals
12/06/1994US5370845 Dissolving explosives in organic solvents, irradiating with ultraviolet light
12/06/1994US5370726 Iron oxide and aluminum
12/06/1994US5370724 Pyrolysis in a plasma arc furnace to form vitrified slag and a combustible gas
12/06/1994CA1333404C Low temperature chlorated product elimination process
12/01/1994DE4317338A1 Process for decontaminating polluted soils, sludges, ashes, sediments or the like
11/1994
11/30/1994EP0466877B1 Process for environmentally safe disposal of noxious solid, liquidand/or gaseous substances at temperatures of 400 to 1800 degrees celsius
11/30/1994CN1095648A Compositions and methods for waste treatment
11/24/1994WO1994027100A1 Method of replacement of a lubricant in cooling systems
11/24/1994WO1994026407A1 Electron beam system
11/23/1994EP0625216A1 Process for remediation of lead-contaminated soil and waste battery casings
11/22/1994US5367116 Process for the disposal of flue gas residues
11/22/1994US5366698 Apparatus for effecting gas liquid contact
11/17/1994EP0624410A1 Method and apparatus for removing volatile and semi-volatile contaminants from solids using thermal desorption
11/17/1994EP0624408A1 Method of separating heavy metals
11/17/1994DE4340808C1 Method for disposing of polycyclic aromatic compounds from contaminated particulate materials by biodegradation
11/15/1994US5365012 Process for the heat treatment of spent pot linings derived from Hall-Heroult electrolytic cells
11/15/1994US5364789 Hydrocarbon ingesting bacteria
11/15/1994US5364787 Genes and enzymes involved in the microbial degradation of pentachlorophenol
11/15/1994US5364475 Process for removing chemical preservatives from wood using supercritical fluid extraction
11/10/1994WO1994025190A1 Remediation of contaminated material
11/10/1994WO1994025115A1 Method for the decomposition of trichloroacetic acid
11/10/1994DE4315248A1 Decontamination process
11/10/1994DE4314997A1 Agent for binding oil present in liquids
11/10/1994DE4314775A1 Process for on-site remediation and chemical long-term stabilisation of deposits having sulphidic contents
11/09/1994EP0623692A1 Removing organic contaminants, in particular oils, from articles, such as waste products
11/09/1994EP0623400A1 Method for treating solid residues from domestic and/or industrial waste incineration and solid product thus obtained
11/09/1994EP0623034A1 Method of hydrodehalogenating halogenated organic compounds in aqueous environmental sources
11/08/1994US5362404 Ferrous oxide, citric acid
11/08/1994US5362402 Dehalogenation by mixing with metallic iron in presence of citric acid
11/08/1994US5361514 Removal of volatile and semi-volatile contaminants from solids using thermal desorption and gas transport at the solids entrance
11/03/1994DE4413734A1 Catalyst for the catalytic afterburning of chlorinated hydrocarbons
11/03/1994DE4314824A1 Agent for carrying out material conversion processes for inorganic, nonmetallic fibre materials, in particular for materials from the group of asbestos minerals
11/03/1994DE4314352A1 Method for the breakdown of cyclic carbon-containing compounds
11/03/1994DE4313931A1 Arrangement for retaining the pollutants from polluted landfill leachate waters
11/01/1994US5360632 Reduced leaching of arsenic and/or mercury from solid wastes
10/1994
10/27/1994WO1994023856A1 Method for neutralizing waste
10/27/1994WO1994023855A1 Recovery and destruction of toxics from contaminated soils
10/27/1994WO1994023802A1 Process and apparatus for destroying organic and carbonaceous waste
10/27/1994WO1994023801A1 Method of converting asbestos cement into a harmless product
10/27/1994DE4336512A1 Process for control of reaction and an apparatus, carbon-black molecules and organometallic complexes being used in an excited state
10/27/1994DE4313127A1 Process for simultaneous precipitation of uranium, arsenic and radium from mining effluence
10/27/1994CA2159215A1 Method of converting asbestos cement into a harmless product
10/26/1994CN1093941A Methods for the reductive decomposition of chemical contaminants
10/25/1994US5358697 Providing for chemical reaction of feed to form an off-gas which includes an intermediate component
10/25/1994US5358657 Hydrogen donor, compound which produces hydroxide, catalyst
10/25/1994US5358549 Method of indirect chemical reduction of metals in waste
10/18/1994US5357291 Transportable electron beam system and method
10/18/1994US5356604 Using Caro*s acid
10/18/1994US5356482 Removing benzene; vaporization, steaming, extraction; safe entry for human inspection
10/13/1994WO1994022605A1 Process for bioremediation of contaminated soil or groundwater
10/13/1994WO1994022604A1 Smelting of carbon-containing material
10/13/1994DE4312102A1 Method of disposing of asbestos-cement structural elements with regard to material recovery
10/12/1994EP0619140A2 Process dor production of sorbent agents based on cellulosic fibres, wooden chips and clay materials
10/12/1994EP0618825A1 Process for treating metal-contaminated materials
10/11/1994US5354962 Apparatus for decomposing halogenated organic compound
10/11/1994US5354940 Method for controlling chemical reaction in a molten metal bath
10/11/1994CA1332429C Treating a temperature-sensitive hydrocarbonaceous stream
10/08/1994CA2120658A1 Process for producing of sorption agents based on cellulose fibers, fragmented wooden material and clay minerals
10/06/1994DE4310704A1 Hydrogenating dechlorination of chlorinated polycyclic aromatics optionally containing oxygen atoms
10/05/1994EP0617985A1 Process for the dehalogenation of the aromatic halogenated hydrocarbons
10/05/1994EP0617740A1 Extraction of mercury and mercury compounds from contaminated material and solutions
10/04/1994US5352608 Bioreduction of metal oxides and oxyanions by photosynthetic bacteria
10/04/1994US5352444 Stabilization of biowastes
10/04/1994US5352421 Method and apparatus for effecting gas-liquid contact
10/04/1994US5352419 Recovery of aluminium and fluoride values from spent pot lining
10/04/1994US5352368 Aldehyde treatment system
09/1994
09/29/1994WO1994021394A1 Methods for the biodegradation of environmental pollutants
09/29/1994WO1994021355A1 Methods of removing and detecting harmful component
09/29/1994DE4309865A1 Process for the extraction of heavy metals from contaminated solids
09/29/1994DE4309493A1 Process for the simultaneous utilisation of halogenated and basic residues
09/22/1994DE4308920A1 Device for the treatment of biorefuse or the like
09/22/1994DE4305318A1 Method for the disposal of residual and waste materials
09/20/1994US5348689 Molten salt destruction of alkali and alkaline earth metals
09/15/1994WO1994020591A1 Method for the reductive decomposition of chemical contaminants
09/15/1994WO1994020205A1 Method and system for steam-reforming of liquid or slurry feed materials
09/15/1994WO1994020149A1 Method and system for detoxifying solid waste
09/15/1994WO1994019942A1 Proteinaceous oil spill dispersant
09/15/1994DE4336225C1 Process for the environmentally compatible cleaning of heat-storage blocks
09/15/1994DE4307468A1 Process for precipitation of heavy metals, uranium and toxic metals in the rehabilitation of mining installations, in particular from contaminated waters
09/15/1994CA2157023A1 Proteinaceous oil spill dispersant
09/13/1994US5347077 Hydraulic cement binder, iron salt and manganese salt to react with toxic compounds
09/13/1994US5347074 Fixation of heavy metals, mercury recovery and dioxins destruction in scrubbed municipal solid waste incinerator ash
09/13/1994US5347073 Pollution control
09/13/1994US5347072 Sulfur
09/13/1994US5347069 Treating oily wastes
09/07/1994EP0613735A1 Extraction of organic pollutants from contaminated soils
09/07/1994EP0613391A1 Immobilisation of metal contaminants from a liquid to a solid medium.
09/07/1994EP0489053B1 Process for destroying cyanuric fluoride in residues produced in its manufacture
09/06/1994US5345033 Method for the neutralization of hazardous materials
09/06/1994US5345032 Use of metal chelate complexes in dehalogenation
09/06/1994US5345031 Reduction of aromatic halide content
09/06/1994US5344630 Catalytic oxidation for pollution control of halogen compounds
09/06/1994US5344566 Dechlorination and demetallization of waste water
09/01/1994WO1994019479A1 Substrate bioavailability enhancing agent for use in bioremediation
09/01/1994WO1994019121A1 Method of detoxification and stabilization of soils contaminated with chromium ore waste
08/1994
08/30/1994US5342779 Photochemically enhanced microbial degradation of environmental pollutants
08/30/1994US5342543 Neutralizing absorbent for acids and bases
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