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)
11/1988
11/02/1988	EP0288931A2 Valve block and container for semiconductor source reagent dispensing and/or purification
11/02/1988	EP0288746A1 Plate-shaped catalyst for removing nitrogen oxides from exhaust gases
11/02/1988	EP0288725A2 Apparatus and method for protecting gas separation membranes from damage due to a reversal of differential pressure
11/02/1988	EP0207957B1 Process for removing cos and cs 2 compounds contained in an industrial gas
11/02/1988	CN87212612U Ball for cleaning cigarette smoke
11/01/1988	US4782039 Vanadium oxide carried by ceria and alumina, reaction of ammonia with nitrogen oxides to form nitrogen
11/01/1988	US4782038 Platinum group alumina-supported, metal oxidation catalysts and method of making same
11/01/1988	US4781910 Hydrogen sulfide removal and sulfur recovery
11/01/1988	US4781907 Production of membrane-derived nitrogen from combustion gases
11/01/1988	US4781903 Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur
11/01/1988	US4781902 Ammonia, reduction, oxidation, vanadium pentoxide and vanadium-alkali metal catalysts, sulfuric acid
11/01/1988	US4781901 Polyvalent metal chelate
11/01/1988	US4781834 Membrane separation apparatus
11/01/1988	US4781831 Cross-flow filtration device with filtrate flow conduits and method of forming same
11/01/1988	US4781735 Enrichment in oxygen gas
11/01/1988	US4781734 Non-porous hydrogen diffusion membrane and utilization thereof
11/01/1988	US4781733 Semipermeable thin-film membranes comprising siloxane, alkoxysilyl and aryloxysilyl oligomers and copolymers
11/01/1988	US4781732 waste gas from a mineral fiber production plant and contaminated with phenol and/or formaldehyde is sprayed with microorganisms; bioremediation, pollution control
11/01/1988	US4781731 Synthesis gas
11/01/1988	US4781209 Switch-over valve, preferably for an air drier
11/01/1988	US4780965 Method for the thermal cleaning of exhaust gases of a heat treatment apparatus
10/1988
10/27/1988	EP0242394A4 Reduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solvents.
10/27/1988	EP0238654A4 Reduction of nitrogen- and carbon-based pollutants through the use of urea solutions.
10/27/1988	DE3714092C1 Method for operating a flue gas desulphurisation plant
10/27/1988	DE3713220A1 Verfahren zur ingangsetzung einer schwefelsaeureanlage Procedure for starting up a schwefelsaeureanlage
10/27/1988	DE3712679A1 Process for preparing calcium sulphate dihydrate
10/27/1988	DE3712209A1 Purification apparatus for exhaust air downstream of plants for smoking fish and meat
10/27/1988	DE3711788A1 Stabilisation of Na4-EDTA-iron(II) complex compounds in dry form for use for simultaneous SO2/NOx wet scrubbers downstream of combustion plants, in particular heating and power stations
10/27/1988	DE3711626A1 Method and apparatus for producing a carrier body for a catalytic reactor
10/26/1988	EP0288064A1 Circulating air washer
10/26/1988	EP0288031A2 Process and combustion unit for reducing the nitrogen content in oil and gas fired combustion units
10/26/1988	EP0288030A1 Improved outerwrap for hollow fiber membrane separation device
10/26/1988	CN88101838A Multi-stage process for reducing concentration of pollutants in effluent
10/26/1988	CN87213530U 汽水分离器 Separators
10/26/1988	CN87101534A Technological process equipment for purifying xenon
10/25/1988	US4780447 Catalysts for controlling auto exhaust emissions including hydrocarbon, carbon monoxide, nitrogen oxides and hydrogen sulfide and method of making the catalysts
10/25/1988	US4780291 Process for removing sulfur gases from a combustion gas
10/25/1988	US4780290 Method for purifying flue gas
10/25/1988	US4780289 Monitoring effluents-adjustment of supply and dilution rate of treating agent
10/25/1988	US4780287 Decomposition of volatile organic halogenated compounds contained in gases
10/25/1988	US4780116 Column packed with adsorbent having cooling tube for immersion suspended in pressure vessel with heater; hydrogen isotope separation
10/25/1988	US4780115 Process for removing undesirable components from gases
10/25/1988	US4780114 Molten salt hydrate membranes for the separation of gases
10/25/1988	CA1243656A1 Method of impregnating ceramic monolithic structures with predetermined amount of catalyst
10/20/1988	WO1988007974A1 Process for the reduction of nitrogen oxides in an effluent using a hydroxy amino hydrocarbon
10/20/1988	DE3712125A1 Process for working up chlorosilane-containing residues by incineration (combustion) with recovery of finely divided silica and gaseous HCl from the flue gases
10/19/1988	EP0287224A2 Methods of removing NOx and SOx emissions from combustion systems using nitrogenous compounds
10/19/1988	EP0287217A2 Catalyst for simultaneous decomposition of oxides of nitrogen and oxidation of carbon monoxide under cycled operating conditions
10/19/1988	EP0286967A2 Process and device for reducing nitrogen oxides
10/19/1988	EP0286892A1 Catalytic nitrogen-removing device for flue gases
10/19/1988	CN88200843U Glass fibre reinforced plastic acid frog washer
10/19/1988	CN88101356A Process of treating pressurized laden absorbent solution
10/18/1988	US4779207 SO3 flue gas conditioning system
10/18/1988	US4778868 Silane-substituted acetylenic homopolymers; workability
10/18/1988	US4778670 Technical hydrogen
10/18/1988	US4778665 Reduction by stoichiometric amount of ammonia using crystalline zeolite catalyst; catalysis
10/18/1988	US4778664 Process for the removal of NO from fluid streams using a water soluble polymeric chelate of a polyvalent metal
10/18/1988	US4778569 Converting a portion to vapor phase and condensing; countercurrent gas flow
10/18/1988	US4778492 Using drum-shaped rotor unit; concurrent adsorber regeneration
10/18/1988	CA1243189A1 Conversion of hydrogen sulfide to sulfur and hydrogen
10/18/1988	CA1243152A1 Diffusion barrier with microporous matrix for separation by counter diffusion
10/13/1988	DE3811399A1 Process for the aerobic fermentative hydrolysis, in particular composting, of organic substances and apparatus for carrying out this process
10/13/1988	DE3808182A1 Process and apparatus for treating organic exhaust gases
10/13/1988	DE3807360A1 Chimney for treating gaseous material flows
10/13/1988	DE3711280A1 Process for the series impregnation of motor vehicle exhaust gas catalysts with noble metals
10/12/1988	EP0286507A1 Process for the purification of oxygenated waste gas by the selective reduction of nitrogen oxides
10/12/1988	EP0286268A2 Method for preventing formation of ammonium bisulfate, sulfuric acid, and related products in combustion effluents
10/12/1988	EP0286232A1 Process and apparatus for desulfurizing a hot, sulfur oxide containing gas
10/12/1988	EP0286143A1 Removal of salts from aqueous alkanolamine using an electrodialysis cell with an ion exchange membrane
10/12/1988	EP0286091A2 Composite membranes for enhanced fluid separation
10/12/1988	EP0286090A1 Improved composite separation membranes and the preparation and use thereof
10/12/1988	EP0285612A1 Moisture remover in compressed air system.
10/12/1988	EP0171316B1 Process and apparatus for contacting at least two gaseous components reacting at high temperatures
10/12/1988	CN88100529A Process of desulfurizing gases
10/11/1988	US4777024 Multi-stage process for reducing the concentration of pollutants in an effluent
10/11/1988	US4776989 Method and apparatus for liquid feed to liqiud distributors in fluid-liquid contacting towers
10/11/1988	US4776391 Heat exchanger method and apparatus
10/11/1988	US4776174 Refrigerant recovery device
10/11/1988	CA1243012A1 Process for the manufacture of catalytic converters for treating internal combustion engine exhaust gases
10/11/1988	CA1242988A1 Method for separating oxygen from a gaseous mixture
10/11/1988	CA1242866A1 Method of removing nitric oxide and soot from the waste gases of heavy oil machines or heavy oil furnaces
10/11/1988	CA1242865A1 Method and device for separating harmful substances from a flue gas
10/11/1988	CA1242864A1 Process for recovering arsenic trioxide from exhaust gas of smelting
10/06/1988	WO1988007653A1 Device for evaporating liquids or absorbing or degassing solutions of two or more substances of inner tube/drop film design
10/06/1988	WO1988007507A1 Process for composting organic material and device for carrying out this process
10/06/1988	WO1988007497A1 Process for the reduction of nitrogen oxides in an effluent using a heterocyclic hydrocarbon
10/06/1988	WO1988007410A1 Process for manufacturing a carbon catalyst
10/06/1988	WO1988007405A1 High efficiency sensible and latent heat exchange media with selected transfer for a total energy recovery wheel
10/06/1988	WO1988007398A1 Cross-flow filtration device and method of making
10/06/1988	DE3708039A1 Chemisorbent for dry desulphurisation
10/05/1988	EP0285485A1 Method and device for destroying toxic gaseous effluents
10/05/1988	EP0285189A2 Process for treating a loaded washing liquid under pressure
10/05/1988	EP0285023A1 Apparatus for treating combustion exhaust gas
10/05/1988	EP0284850A2 Improved adsorptive purification process
10/05/1988	EP0284618A1 Device for treating the combustion air of jet engines
10/05/1988	CN88101700A Method of halogenated hydrocarbon recovery from gaseous fluid
10/05/1988	CN88101684A Chemical processing with operational step sensitive to feedstream component
10/05/1988	CN88101392A Process and device for destroying toxic gaseous effluents
10/05/1988	CN88101352A Process of treating two laden absorbent solution stream
10/04/1988	US4775519 Contacting with countercurrent stream of aqueous n-methyldiethanolamine and imidazole

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