Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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)
11/1990
11/22/1990EP0247149B1 Apparatus for disposal of toxic wastes by combustion
11/22/1990DE4014606A1 Reduktion von no(pfeil abwaerts)x(pfeil abwaerts) durch stufenweise brennstoffverbrennung mit acetylenartigen brennstoffen Fuels reduction of no (down arrow) x (Down Arrow) by stepwise fuel combustion with acetylenic
11/22/1990DE4003429A1 Simultaneous purificn. of waste water and waste air - with same activator, pref. weak lye
11/22/1990DE3916398A1 Supported catalyst contg. heat sensitive component - made by thermally spraying material contg. lower melting component
11/22/1990DE3916325A1 Wanderbettreaktoranlage Moving bed reactor system
11/22/1990DE3916209A1 Recovery of solvents from mixts. - by absorption in a liq. absorber contg. one or more benzyl-aromatics
11/22/1990DE3915930A1 Removing harmful substances from fluid - by passing fluid through polymer, lipoid or oil dispersed in medium, and removing with microorganisms
11/21/1990CN1047042A Process for treatment of flue gases
11/21/1990CN1047041A Solution removal of h2s from gas streams
11/21/1990CN1010460B Hollow fibre membrane device and method for separating oxygen enrich and nitrogen fluids from gaseous air
11/20/1990USRE33444 Fluid treating for removal of components or for transfer of heat, momentum-apparatus and method
11/20/1990US4971777 Oxidation, absorption
11/20/1990US4971776 Pollution control absorption of nitrogen oxide to form ammonium nitrite and ammonium carbonate or ammonium bicarbonate
11/20/1990US4971769 Filter device for use in heating or incineration plants
11/20/1990US4971718 Alkanolamine gas treating composition and process
11/20/1990US4971695 Sulfonated hexafluoro bis-a polysulfone membranes and process for fluid separations
11/20/1990US4971611 Dehumidified air generator employing adsorbent
11/20/1990US4971610 Dewpoint demand control system for regenerative dryer
11/20/1990US4971609 Portable oxygen concentrator
11/20/1990US4971608 Gold component and inorganic support
11/20/1990US4971607 Purification of natural or synthesis gas by condensation and solvent extraction
11/20/1990US4971606 Closed-loop thermal regeneration of adsorbents containing reactive adsorbates
11/20/1990US4971605 Isothermal thermo-cyclic processing
11/20/1990CA1276584C Solid compounds based on superoxides exhibiting high ion conductivity, theirmanufacture, and related electrochemical uses
11/15/1990WO1990013736A1 Metallic catalyst support mounted in a separating wall
11/15/1990DE4014214A1 Insulating gap between honeycomb catalyser matrix and casing - in vehicle exhaust purifier is bridged by helical or annular fins
11/15/1990DE4013191A1 Exhaust gas treatment for hot mixt. material plants
11/15/1990DE4004831A1 Druckwechseladsorptionsanlage zum trennen von gasgemischen Pressure swing adsorption to separate mixtures of gas
11/15/1990DE3915416A1 Flue gas purificn. - using carbon catalyst with ammonium sulphate coating
11/14/1990EP0397645A1 Apparatus for distributing gases in fixed bed filters
11/14/1990EP0397411A2 Use of a catalyst for purification of exhaust gas from Diesel engine
11/14/1990EP0397363A1 Abstracting halogen atoms from chlorofluorocarbons with silylenes
11/14/1990EP0397204A1 Improved process and system for the production of dry, high purity nitrogen
11/14/1990EP0397192A2 Dry, high purity nitrogen production process and apparatus
11/14/1990EP0397098A2 Process for the removal of NOx and SOx from gas streams using a water-soluble polymeric chelate of a polyvalent metal and membrane separation means
11/14/1990EP0397000A2 Process for reducing hypohalogenites in alkaline process solutions
11/14/1990EP0396684A1 Cross-flow filtration device and method of making.
11/14/1990CN1046857A Membrane separation device and method of manufacture
11/14/1990CN1046856A Pressure swing gas separation
11/14/1990CN1010379B Process for purification of reducing gases under high temp.
11/14/1990CN1010378B Improved differential pressure adsorption process and equipment
11/13/1990WO1990013360A1 Multi-stage vortex reactor
11/13/1990WO1990013351A1 Desiccant gas drying system
11/13/1990US4970188 Catalyst for removing nitrogen oxides, carbon monoxide, and/or residual hydrocarbons from exhaust gases
11/13/1990US4969986 Regeneration of chelate compound containing scrubbing solution; hydrogen sulfide removal
11/13/1990US4969984 Ammonia
11/13/1990US4969936 Filtration apparatus
11/13/1990US4969935 Process for treating a gaseous mixture by adsorption
11/13/1990US4969338 Method and apparatus of producing carbon dioxide in high yields from low concentration carbon dioxide feeds
11/13/1990US4969328 Diesel engine exhaust oxidizer
11/13/1990US4969265 Method of producing metal support for exhaust gas catalyst
11/13/1990CA1276100C Process for cleaning a packed column
11/12/1990CA2016570A1 Process and system for the production of dry high purity nitrogen
11/12/1990CA2016569A1 Dry, high purity nitrogen production process and system
11/12/1990CA2016565A1 Production of dry, high purity nitrogen
11/11/1990CA2016576A1 Catalyst and a useful method of using such a catalyst
11/08/1990DE3914673A1 Cleaning waste gas from wood drier by electro:filter - with cooled electrodes condensing water-vapour to form aerosol scouring film
11/08/1990DE3914494A1 Treating combustion gas pollutants in superimposed reaction stages - vertically coupled by guide tubes providing different catalytic reactions
11/08/1990CA2016184A1 Process for the removal of no and so from gas streams using a water-soluble, polymeric chelate of a polyvalent metal and membrane separation means
11/07/1990EP0396475A1 Preparation of heavy metal carbides having high specific surface area
11/07/1990EP0396395A2 Method and apparatus for simultaneous heat and mass transfer utilizing a plurality of gas streams
11/07/1990EP0396390A1 Method for processing organic waste and apparatus therefor
11/07/1990EP0396375A2 Method and apparatus for the treatment of a waste gas containing dusts and chemical contaminants
11/07/1990EP0396085A2 Catalyst for purification of exhaust gases
11/07/1990EP0395965A2 Device and method for removing gaseous impurities from a sealed vacuum
11/07/1990EP0395856A1 Process for producing supported catalysts for the carbon monoxide oxidation
11/07/1990EP0395789A1 Process for the purification of waste gases emitted from a melting furnace
11/07/1990EP0395740A1 Process for purifying aqueous buffer solutions.
11/07/1990EP0395702A1 Reactor for reducing the contents of nitrogen oxides and sulphur oxides in combustion gases.
11/07/1990EP0395631A1 Process for treating fluids by adsorption media.
11/07/1990EP0126774B1 Microcomputer control system for desiccant dryer
11/07/1990CN2065095U Drawer-type adsorber
11/07/1990CN2065094U Room air purifier
11/07/1990CN1010345B Device for purification of combustion gas
11/07/1990CN1010282B Rhodium-free three-member catalyst
11/07/1990CN1010280B Process for sox-nox-particulate control with reagent/catalyst regeneration
11/06/1990US4968660 Carrier surface stabilized with group 3 or group 4 oxide
11/06/1990US4968622 Procedure for microbiologica transformation of sulphur containing harmful components in exhaust gases
11/06/1990US4968502 Oxidation of hydrogen sulfide with nitric oxide using silica gel catalyst
11/06/1990US4968501 Use of chlorous acid for removing sulfur dioxide from combustion gases
11/06/1990US4968488 Removal of hydrogen sulfide from geothermal steam
11/06/1990US4968336 Plasma etch vaporous exhaust collection system
11/06/1990US4968335 Gas absorption tower
11/06/1990US4968334 Remotely-controlled multi-port valve having a multi-vane rotating central drum element
11/06/1990US4968329 Pressure swing adsorption for concentration of a gas component
11/06/1990US4967591 Apparatus, application and method of making a gas flow regulator operating at a very low flow rate and at sonic velocity for measuring gaseous adsorbtion and desorbtion
11/06/1990US4967559 Contaminant abatement process for geothermal power plant effluents
11/06/1990CA1275784C Reduction of nox in flue gas
11/05/1990CA2016051A1 Device and method for removing gaseous impurities from a sealed vacuum
11/03/1990CA2015962A1 Method for processing organic waste and apparatus therefor
11/02/1990WO1990013352A1 Catalytic destruction of organohalogen compounds
11/01/1990WO1990012753A1 Removal of sulfur dioxide (so2) from waste gases and recovery as sulfuric acid
11/01/1990WO1990012646A1 Catalytic combustion of soot from diesel engines
10/1990
10/31/1990EP0395366A2 Improvement in metal oxide catalysts
10/31/1990EP0395291A2 Container for additive materials for smoking articles
10/31/1990EP0395221A1 Method of reducing the oxygen concentration in a gas stream
10/31/1990EP0395022A2 Process for producing perovskite-type oxide catalyst
10/31/1990EP0394947A2 Apparatus for removing carbon dioxide gas and moisture from methane-rich gas mixture
10/31/1990EP0394384A1 Device for containing and holding in position specific quantities of bulk material.
10/31/1990EP0394373A1 Method for baghouse brown plume pollution control
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