B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols

Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933)
11/1994
11/30/1994	EP0474761B1 Catalyst for heterogeneous catalysis consisting of an alloy of transition metals
11/30/1994	EP0466877B1 Process for environmentally safe disposal of noxious solid, liquidand/or gaseous substances at temperatures of 400 to 1800 degrees celsius
11/30/1994	EP0444190B1 Gas separation by semi-permeable membranes
11/30/1994	CN1026774C Concentration of chlorine
11/29/1994	US5369076 Vanadium catalysts and desulfurization of sulfur compound-containing gases therewith
11/29/1994	US5369070 Zeolite Y-based catalytic composition which can be used in treating oxygenated effluent containing nitrogen oxides, its preparation and process for use
11/29/1994	US5368836 Low-template clathrasil
11/29/1994	US5368818 Monitoring and control system for selective regeneration of alkanolamine from cation ion exchange resin with sodium hydroxide
11/29/1994	US5368786 Apparatus and methods for humidity control
11/29/1994	US5368754 Method for stripping contaminants from wastewater
11/29/1994	US5368726 Apparatus for treating and regenerating spent caustic
11/29/1994	US5367889 Exhaust treatment apparatus
11/29/1994	US5367876 Apparatus for controlling of automotive exhaust emissions by treatment of exhausting gases traveling through an automotive exhaust conduit
11/29/1994	US5367875 Automated catalytic reduction system
11/29/1994	CA2124228A1 Process and apparatus for regenerating a moist adsorption medium
11/29/1994	CA2120899A1 Avoiding gas pressure build up in transporting crude oil
11/26/1994	CA2124157A1 Combined electrically heatable converter body
11/24/1994	WO1994027104A1 Support of ceramic catalyst
11/24/1994	WO1994027035A1 Process and device for controllably adding a reducing agent into nitrogen oxide-containing exhaust gas
11/24/1994	WO1994026659A1 Process and apparatus for enhancing distribution of nox-reducing chemicals in a high-solids environment
11/24/1994	WO1994026569A1 Air dryer for compressed air system having a serviceable oil filter
11/24/1994	WO1994026412A1 A catalytic system and its use
11/24/1994	WO1994026410A1 Process for making catalyser and catalyser made by said process
11/24/1994	WO1994026407A1 Electron beam system
11/24/1994	WO1994026395A1 A method for converting ammonia in a gas stream to nitrogen
11/24/1994	WO1994026394A1 Gas separation process and apparatus
11/24/1994	WO1994026393A1 Controlling emissions from glycol dehydrators
11/24/1994	WO1994026392A1 Method for biological cleaning of a contaminated gas flow
11/24/1994	WO1994026391A1 Treating process gas
11/24/1994	DE4317199A1 Process for the UV stimulation of air pollutants and simultaneous catalytic pollutant degradation
11/24/1994	DE4317107A1 Apparatus for generating biogenic oscillations for detoxifying exhaust gases in combustion processes
11/24/1994	DE4316943A1 Process for reducing the growth/deposition layers in a fixed bed reactor and device for carrying out the process
11/24/1994	DE4316936A1 Process for treating gas to be purified in pollutant transfer units and apparatus for carrying out this process
11/24/1994	DE4316934A1 Fixed bed bioreactor having a varying bed state parameter
11/24/1994	CA2163236A1 Treating process gas
11/24/1994	CA2162575A1 Controlling emissions from glycol dehydrators
11/24/1994	CA2162161A1 Process for producing a catalyst and catalyst produced by said process
11/24/1994	CA2161135A1 Process and apparatus for enhancing distribution of nox -reducing chemicals in a high-solids environment
11/23/1994	EP0625633A1 Exhaust gas cleaning apparatus for internal combustion engines
11/23/1994	EP0625369A1 Process for removing N2O in gaseous effluents from nitric oxidations
11/23/1994	EP0625368A1 Process for cleaning harmful gas
11/23/1994	EP0625067A1 Water separation process
11/23/1994	CN1095309A Sulfur carbonyl hydrolytic catalyzer
11/23/1994	CN1026663C Seperation of organic material from mixture of air/permanent gas
11/22/1994	US5366950 Catalytic exhause systems
11/22/1994	US5366716 Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill
11/22/1994	US5366712 Ceramic catalytic membrane reactor for the separation of hydrogen and/or isotopes thereof from fluid feeds
11/22/1994	US5366711 Process for the oxidative purification of waste gases containing nitrogen oxides
11/22/1994	US5366710 Process for removing nitrogen oxides and sulfur oxides from gaseous stream
11/22/1994	US5366709 Liquid absorbent for acidic gases and process of deacidification of a gas
11/22/1994	US5366708 Regenerative heat exchangers, catalysts and reverse cycles
11/22/1994	US5366701 Apparatus and method for reducing pollutants in effluent gas flow utilizing an ionizing and resonance means
11/22/1994	US5366700 Apparatus for catalytically decontaminating exhaust gases and method for producing the apparatus
11/22/1994	US5366698 Apparatus for effecting gas liquid contact
11/22/1994	US5366667 A vertical stacked helical plates as heat exchangers supports; absorbers, evaporators
11/22/1994	US5366541 Fluid fractionator
11/22/1994	US5366139 Catalytic converters--metal foil material for use therein, and a method of making the material
11/22/1994	US5365951 Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
11/22/1994	US5365742 Device and process for the removal of hydrogen from a vacuum enclosure at cryogenic temperatures and especially high energy particle accelerators
11/22/1994	CA1333166C Method of treating waste gas by irradiation with electron beam
11/21/1994	CA2180682A1 Succinic acid derivative degradable chelants, uses and compositions thereof
11/17/1994	EP0624399A1 Preparation process of a catalyst usable for treating exhaust gasses from internal combustion engines
11/17/1994	EP0624393A1 Catalyst for catalytic reduction of nitrogen oxides
11/17/1994	EP0624392A1 Process for cleaning harmful gas
11/17/1994	EP0624391A1 Process for the denitrification of flue gases
11/17/1994	DE4315578A1 Apparatus for treating in particular gaseous media
11/15/1994	US5364611 Method for the fixation of carbon dioxide
11/15/1994	US5364606 NOx reduction through the use of methane
11/15/1994	US5364604 Solute gas-absorbing procedure
11/15/1994	US5364599 Method and multi-ejector type of system for purifying the polluted poisonous exhaust gas
11/15/1994	US5364517 Perovskite-spinel FCC NOx reduction additive
11/15/1994	US5364455 Silica gels of controlled pore size as desiccant materials and processes for producing same
11/15/1994	US5364454 Fluid separation composite membranes prepared from sulfonated aromatic polymers in lithium salt form
11/15/1994	US5364439 Method to treat geothermal fluid streams
11/11/1994	CA2123265A1 Process for lowering nitrous oxide level in gazeous effluents, particularly those derived from synthesises by nitric oxydation
11/10/1994	WO1994025642A1 ELECTROCHEMICAL CATALYTIC REDUCTION OF NOx IN AN O2-CONTAINING EXHAUST EMISSION
11/10/1994	WO1994025395A1 Process for the removal of gaseous impurities from a stream of hydrogen
11/10/1994	WO1994025394A1 Process for the removal of gaseous impurities from a stream of hydrogen
11/10/1994	WO1994025323A1 Air dryer for a compressed air braking system
11/10/1994	WO1994025143A1 Method of removing nitrogen oxides contained in exhaust gas
11/10/1994	WO1994025142A1 Process for reducing the content of metal carbonyls in gas streams
11/10/1994	WO1994025133A1 Filter material, and method of removing ozone from gases and liquids using the filter material
11/10/1994	WO1994011623A3 Method and apparatus for treating an engine exhaust gas stream
11/10/1994	DE4415975A1 Process for desulphurising gases containing sulphur dioxide
11/10/1994	DE4415475A1 Process and apparatus for biological exhaust-air purification
11/10/1994	DE4315359A1 Process for separating off pollutants, in particular mercury and dioxin, from the exhaust gases of waste incineration plants and apparatus for carrying out the process
11/10/1994	DE4315062A1 Process for preparing a catalyst and catalyst prepared by this process
11/10/1994	DE4314942A1 Separator in particular for ozone from gas
11/10/1994	DE4314915A1 Apparatus and process for withdrawing volatile substances
11/10/1994	DE4314833A1 Apparatus for the microbacterial exhaust air purification in a bio-integral converter
11/10/1994	DE4244784A1 Process for cleaning polluted materials
11/10/1994	CA2162133A1 Filter material, and process for removing ozone from gases and liquids using the filter material
11/10/1994	CA2137791A1 Process for the removal of gaseous impurities from a stream of hydrogen
11/09/1994	EP0623692A1 Removing organic contaminants, in particular oils, from articles, such as waste products
11/09/1994	EP0623379A1 Process for cleaning flue gases containing elementary mercury
11/09/1994	EP0623378A1 Process for purifying waste gases and device for penforming such process
11/09/1994	EP0623047A1 Process for purifying a current of smoke gas.
11/09/1994	EP0577677B1 Process for reducing the polluting content of the flue gas from thermal processes
11/09/1994	EP0422066B1 Removal of sulfur dioxide (so 2?) from waste gases and recovery as sulfuric acid
11/09/1994	EP0360856B1 Process for reducing the concentration of pollutants in an effluent

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