Patents
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)
04/1994
04/06/1994CN2160452Y Device for dusting, desulfurizing and denitrifying
04/06/1994CN1084843A Method of producing unsaturated hydrocabons and separating the same from saturated hydrocarbons
04/06/1994CN1024122C Method of preparing, storing and transporting high=purity hydrogen and its installation
04/06/1994CA2107654A1 Catalytic converter with a metal carrier comprising a matrix of catalytically coated metal strips welded into a jacket tube
04/06/1994CA2107144A1 Nitrogen adsorption with a divalent cation exchanged lithium x-zeolite
04/05/1994US5301217 Device for the recombination of hydrogen and oxygen and nuclear power plant using the device
04/05/1994US5300472 Catalyst for selective reduction of nitrous oxides with ammonia
04/05/1994US5300277 Combining organic directing agent with silicon and metal oxides, agitating, crystallizing, x-rays diffraction
04/05/1994US5300270 Hot-side electrostatic precipitator
04/05/1994US5300269 Catalytic decomposition of dinitrogen monoxide which is pure or present in gas mixtures
04/05/1994US5300202 Dissociating the gases by pyrolysis using electromagnetic waves
04/05/1994US5300139 Air cleaner with a build-in ashtray
04/05/1994US5300138 Comprising silica gel, modified molecular sieve; twenty per cent of sodium ions replaced by potassium
04/05/1994US5299633 Heat exchanger device for refrigeration driers in compressed-air installations and tube/plate heat exchangers for use in the latter
04/02/1994CA2106930A1 Despressurization effluent repressurized adsorption process
03/1994
03/31/1994WO1994006585A1 Method for making a ceramic metal composite
03/31/1994WO1994006563A1 Method for pollution emission reduction from glass melting furnace
03/31/1994WO1994006546A1 Layered automotive catalyst with improved performance
03/31/1994WO1994006545A1 Electrochemical cell and use thereof in the electrochemical separation or extraction of oxygen
03/31/1994WO1994006544A1 Electrochemical cell and its use in the electrochemical separation or extraction of oxygen
03/31/1994WO1994006543A1 Plasmachemical process for decomposing and/or destroying pollutants, in particular for cleaning exhaust fumes of internal combustion engines or other fossil fuel driven machines, and device therefor
03/31/1994WO1994006542A1 Composite metal membrane for hydrogen extraction
03/31/1994WO1994006541A1 System for separation of oxygen from argon/oxygen mixture
03/31/1994WO1994006540A1 Sheet type and sheet-filter type methyl bromide removing material, and methyl bromide removing method using the same materials
03/31/1994WO1994006539A1 Biofilter with modular trays
03/31/1994WO1994006532A1 Continuous chromatography
03/31/1994DE4333152A1 Selective dissociation of chemical cpds. esp. for sepn. or purificn. - by stimulation in vibrational or rotational-vibrational band e.g. with UV, visible or IR light, esp. laser light
03/31/1994DE4329725A1 Hot-gas pipe leading into widened liquid-collecting chamber - narrows into nozzle to give clear expansion and generate turbulence
03/31/1994DE4232496A1 New polyamideimide(s) - used for prodn. of gas-sepn. membranes and membranes contg. dispersed, catalytically active particles of metals, oxide(s), etc
03/31/1994CA2145161A1 Method for making a ceramic metal composite
03/31/1994CA2145083A1 Method for pollution emission reduction from glass melting furnace
03/31/1994CA2123507A1 Electrochemical cell and use thereof in the electrochemical separation or extraction of oxygen
03/31/1994CA2123506A1 Electrochemical cell and its use in the electrochemical separation or extraction of oxygen
03/30/1994EP0589832A1 Process for deoxidising water
03/30/1994EP0589406A2 02 VSA process with low 02 capacity adsorbents
03/30/1994EP0589393A2 Method for purifying oxygen rich exhaust gas
03/30/1994EP0589391A1 Adsorptive separation using diluted adsorptive phase
03/30/1994EP0589174A1 A device for treating fumes generated by a dental oven
03/30/1994EP0515640B1 Method for preparing multi-metal catalysts
03/30/1994CN2159826Y Wet compound smoke purifier
03/30/1994CN2159825Y Auto exciting venturi tube duster
03/30/1994CN1084611A A catalytic automotive emission control process with improved cold-start behavior
03/30/1994CN1084428A Reactor and method for reducing sulfur oxides emissions in a combustion process
03/30/1994CN1084427A Desuiphurisation of waste gases
03/29/1994US5298475 Crushing concrete fragments under pressure to form primary fragment, crushing, screening, separation of fine cement
03/29/1994US5298473 Hydrated lime clay composites for the removal of SOx from flue gas streams
03/29/1994US5298341 Multiple stack ion conducting devices
03/29/1994US5298231 Absorption and desorption of gaseous reactants on complexes
03/29/1994US5298230 Process for the efficient catalytic reduction of nitrogen oxides
03/29/1994US5298228 Hydrolysing to hydrogen sulfide and carbon dioxide, withdrawal cooling, heating, feeding and recovering
03/29/1994US5298227 Mixing melting furnace effluent with cooling air to condense metal compounds, filtration, incineration
03/29/1994US5298226 Distributor has middle, outer and interior section
03/29/1994US5298138 Solid electrolyte ion conducting device
03/29/1994US5298054 Adsorption, heating, and cooling for purging impurities
03/29/1994US5297398 Polymer desiccant and system for dehumidified air conditioning
03/29/1994CA1328141C Spherical polymer tertiary or secondary organosiloxaneamine compounds
03/24/1994EP0584240A4 Single patient use disposable carbon dioxide absorber.
03/24/1994EP0584160A4 Filter.
03/24/1994DE4331932A1 Bio-gas prodn. from manure - has sludge gassing station to give gas for gas turbine for electricity generation and used sludge is dried for disposal
03/24/1994DE4231762A1 Gas separation membrane with improved selectivity and permeability - has separating layer based on inter-penetrating network contg. hairy-rod type polymer and bridged macrocyclic metal complex
03/24/1994DE4231594A1 Uniformly moistening biological gas filter material - by spraying water into radially deflected incoming gas stream
03/24/1994DE4231581A1 Verfahren zur plasmachemischen Zersetzung und/oder Vernichtung von Schadstoffen, insbesondere zur Abgasreinigung von Verbrennungsmotoren oder anderer mit fossilem Treibstoff betriebenen Maschinen, sowie zugehörige Vorrichtung Process for the plasma-chemical decomposition and / or destruction of contaminants, in particular for purifying exhaust gas of internal combustion engines or other machines operated with fossil fuel, as well as associated device
03/24/1994DE4231327A1 Kontinuierliche Chromatographie Continuous Chromatography
03/23/1994EP0588733A1 Gas-liquid contactor of falling film type
03/23/1994EP0588705A1 Process and installation for gas separation by permeation
03/23/1994EP0588691A1 Ceric oxide containing composition, its preparation and its use
03/23/1994EP0588587A1 Process for treatment of exhaust gas
03/23/1994EP0588459A1 Process for removing readily oxidizable organic compounds from gas streams
03/23/1994EP0588315A1 Exhaust gas purification apparatus for internal combustion engine
03/23/1994EP0588217A1 Reactive matrix for removing impurities from hydride and inert gases and process
03/23/1994EP0588178A2 Process for removing carbon dioxide from combustion gases
03/23/1994EP0588175A2 Process for removing carbon dioxide from combustion gases
03/23/1994EP0588079A1 Method and apparatus for reducing NOx emissions
03/23/1994EP0457895B1 Device for continuously cleansing the exhaust gases of a vacuum installation
03/23/1994CN1084102A Catalyst, carriers
03/23/1994CN1084098A method for eliminating environmental pollution caused by nitrogen oxide
03/23/1994CN1084097A Carbonaceous adsorbents for prevention of carbon bed fires
03/22/1994US5296435 Catalyst and a method of prepare the catalyst
03/22/1994US5296423 Cordierite substrates
03/22/1994US5296254 Protective devices
03/22/1994US5296206 Heat exchange
03/22/1994US5296205 Mobile packing elements in both loosely packed bed and fixed packed bed having density such that they float in water
03/22/1994US5296198 Heater and catalytic converter
03/22/1994US5296196 Having porous metal-carrying zeolite layer covering outer electrode to absorb low molecular weight hydrocarbons and pass high molecular weight hydrocarbons to semiconductor
03/22/1994US5296110 Apparatus and method for separating oxygen from air
03/22/1994US5296105 Absorption, desorption
03/22/1994US5296097 Method for reducing contaminants in pulp prior to ozone bleaching
03/22/1994US5296017 Method and apparatus for concentrating chlorine gas
03/19/1994CA2089127A1 Carbonaceous adsorbents for prevention of carbon bed fires
03/17/1994WO1994006149A1 Toxic remediation system and method
03/17/1994WO1994005960A1 Process and apparatus for producing liquid carbon dioxide
03/17/1994WO1994005405A1 Alkyl substituted polyimide, polyamide and polyamide-imide gas separation membranes
03/17/1994WO1994005401A1 Method for fabricating a gas adsorption means, adsorption means and sanitazing plant
03/17/1994WO1994005400A1 Desulphurization of flue gases
03/17/1994WO1994005399A1 Method of decomposing gaseous halocarbons
03/17/1994WO1994005398A1 Convection towers
03/17/1994WO1994005392A1 Method and device for simultaneously drying and removing metallic and organic mercury from fluids
03/17/1994DE4241726C1 Metallic mercury@ absorption from waste gas on large scale - by scrubbing with aq oxidant soln forming system with specified redox potential after removing mercuric ions and pref acidic cpds
03/17/1994DE4230644A1 Recovery of carbon di:oxide from coal power stations - and converting into methane by anaerobic fermentation.
03/17/1994DE4230595A1 Automotive catalytic converter assembly having latent heat storage medium - comprises outer housing surrounding layer of heat insulation