| 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) |
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| 01/31/1990 | EP0352891A1 Process for treatment of water containing volatile and toxic compounds |
| 01/31/1990 | EP0352684A1 Module for cilyndrical rigid membrane elements for separation, for filtration or catalytical transformation |
| 01/31/1990 | EP0352398A1 Process for preparing palladium catalyst for purifying waste gas |
| 01/31/1990 | EP0140940B1 Sequenced modular bed carousel dehumidifier |
| 01/31/1990 | CN1039297A Air conditioning process and apparatus |
| 01/31/1990 | CN1039192A Dry process for separating harmful substances from flue gases, and apparatus therefor |
| 01/31/1990 | CN1039190A Process for microbiological transformation of sulphur containing harmful components in exhaust gases |
| 01/31/1990 | CN1006602B Process for desulfurization of flue gases |
| 01/31/1990 | CN1006601B Prossure swing adsorption product purity control method and apparatus |
| 01/31/1990 | CN1006600B Enhanced gas separation process |
| 01/30/1990 | US4897248 Method for treating exhaust gas |
| 01/30/1990 | US4897247 Treatment of exhaust gases to reduce multi-valent heavy metals |
| 01/30/1990 | US4896514 Air-conditioning apparatus |
| 01/30/1990 | CA1265117A1 Support matrix for receiving catalytically acting bonds and process for producing the support matrix |
| 01/30/1990 | CA1265068A1 Oxygen concentrator |
| 01/25/1990 | WO1990000703A1 Incineration of waste materials |
| 01/25/1990 | WO1990000701A1 Deodorization and cleaning of medium temperature wet off-gases derived from burning of wet waste sludge |
| 01/25/1990 | WO1990000578A1 Polymer composition for scavenging oxygen |
| 01/25/1990 | WO1990000441A1 Pollution control catalyst for minimizing h2s emissions |
| 01/25/1990 | WO1990000440A1 Method for the reduction of sulfur trioxide in an effluent |
| 01/25/1990 | WO1990000439A1 Reduction of the ignition temperature of diesel soot |
| 01/25/1990 | WO1990000438A1 Expanded polytetrafluoroethylene tubular container |
| 01/25/1990 | DE3838794A1 Magnetisch aktiver, poroeser koerper und verfahren zu seiner herstellung Magnetically active, porous body and process for its preparation |
| 01/25/1990 | DE3824616A1 Method for decreasing the concentration of vaporous condensable pollutants |
| 01/25/1990 | DE3824400A1 Process and device for treating a hydrocarbon/air mixture |
| 01/24/1990 | EP0351841A1 A catalyst support for catalytic reactors |
| 01/24/1990 | EP0351665A1 Device for receiving granular bulk material traversed by a gas stream |
| 01/24/1990 | EP0351613A2 Process for removing nitrogen oxide from exhaust gases during fertilizer production |
| 01/24/1990 | EP0351467A1 White colored deodorizer and process for producing the same |
| 01/24/1990 | EP0351452A1 Dehumidifier for spaces |
| 01/24/1990 | CN1038999A Condensing sulfuric acid vapours to produce sulfuric acid |
| 01/24/1990 | CN1038945A Treatment process of ph value, cyanide and sulphide in ferromaganese slag flushing water by using waste gas |
| 01/24/1990 | CN1038944A Clean-up device of gas |
| 01/24/1990 | CN1006524B Pressure swing adsorption with intermediate product recovery |
| 01/23/1990 | US4895824 Add-on hydrogen sulfide trap |
| 01/23/1990 | US4895821 Moisture resistant, exhaust system reduction of nitrogen oxides |
| 01/23/1990 | US4895708 Sulfur |
| 01/23/1990 | US4895670 Addition of severely-hindered aminoacids to severely-hindered amines for the absorption of H2 S |
| 01/23/1990 | US4895580 Gas treating apparatus |
| 01/18/1990 | DE3919124A1 Verfahren zur abscheidung von polyzylkischen kohlenwasserstoffen und schwermetallen aus abgasen Process for deposition of polyzylkischen hydrocarbons and heavy metals from waste gases |
| 01/18/1990 | DE3823759A1 Selective catalytic NOx reduction |
| 01/17/1990 | EP0351197A2 Improvements in pollution control |
| 01/17/1990 | EP0351057A1 Catalytically active materials and manufacture thereof |
| 01/17/1990 | EP0351056A2 Sintering metal powders into structures without sintering aids |
| 01/17/1990 | EP0351036A1 Catalyst-agglomerate bodies encapsulated in a structure |
| 01/17/1990 | EP0350963A2 Process for reducing SO2 and/or NOX emission in combustion processes |
| 01/17/1990 | EP0350744A2 Use of gas-cleaning masses |
| 01/17/1990 | EP0350706A2 Process for reducing nitrogen oxides in combustion gases |
| 01/17/1990 | EP0350677A1 Apparatus for the continuous separation and recovery of a solvent from a solvent-laden exhaust gas |
| 01/17/1990 | EP0350656A2 Inert gas purifier especially suited for bulk nitrogen without the use of hydrogen or other reducing gases |
| 01/17/1990 | EP0350643A2 Process for removing nitrogen oxide from smoke |
| 01/17/1990 | CN1038871A Air conditioning process and apparatus therefor |
| 01/17/1990 | CN1038797A Improved mambrane separation system and process |
| 01/17/1990 | CN1038796A Sulfuric acid process and apparatus |
| 01/16/1990 | US4894210 Purification of a hydrocarbon mixture |
| 01/16/1990 | US4894179 Absorbent composition containing a tertiary amino azabicyclic alcohol and an amine salt |
| 01/16/1990 | US4894178 Absorbent composition containing severely-hindered amine mixture for the absorption of H2 S |
| 01/16/1990 | US4894162 Treatment of volatile organic substances at waste water treatment plants |
| 01/16/1990 | US4894160 Honeycomb structure for fluid filtration |
| 01/16/1990 | US4894141 Combination process for upgrading residual oils |
| 01/16/1990 | US4894072 High efficiency vapor storage canister |
| 01/16/1990 | US4894068 Process for capturing nitrogen from air using gas separation membranes |
| 01/16/1990 | CA1264454A1 Method and apparatus for biological treatment of waste gases |
| 01/16/1990 | CA1264444A1 Multiple filter unit, particularly for ventilation and air conditioning systems for motor vehicles and closed environments, and provided with efficiency checking means |
| 01/11/1990 | WO1990000089A1 Process for manufacturing a plate-shaped support for catalysing compounds |
| 01/11/1990 | WO1990000088A1 Catalytic assembly for use in cleaning exhaust gas |
| 01/11/1990 | WO1990000082A1 Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol f |
| 01/11/1990 | WO1990000081A1 Exhaust smoke purifier |
| 01/11/1990 | DE3921797A1 Filter device |
| 01/11/1990 | DE3823660A1 Process for removing pollutants from a gas resulting from the low-temperature carbonisation of waste materials |
| 01/11/1990 | DE3823659A1 Process for removing organic compounds from gases |
| 01/11/1990 | DE3823658A1 Process for removing pollutants from cracking gas |
| 01/11/1990 | DE3823104A1 Process and plant for treating exhausted DeNOx catalyst plates |
| 01/11/1990 | DE3822943A1 Process and apparatus for purifying exhaust air from driers |
| 01/10/1990 | EP0350373A1 Process for treating a gas mixture by adsorption |
| 01/10/1990 | EP0350215A2 Gas compressing system |
| 01/10/1990 | EP0349768A1 Process for removal of phosphine from waste air |
| 01/10/1990 | EP0349655A1 Process for separating and recovering carbonic acid gas from gas mixture by adsorption |
| 01/10/1990 | EP0349548A1 Process for removing sulfur gases from a combustion gas |
| 01/10/1990 | EP0238591B1 Method and device for the selective removal of h 2?s from a h 2?s-containing gas |
| 01/10/1990 | CN2050932U Sweetening and dust catcher for waste gas in chimney neck |
| 01/10/1990 | CN1006364B Double-ended hollow fiber permeator |
| 01/09/1990 | US4892723 Pretreatment with charcoal |
| 01/09/1990 | US4892719 Reaction with polyamine |
| 01/09/1990 | US4892718 Decontamination of gases by scrubbing |
| 01/09/1990 | US4892717 Method for preventing oxygen from deactivating sulfactive reducing catalysts |
| 01/09/1990 | US4892716 Denitrification of waste gases, renewal of active surface by grinding action of particles in waste gas |
| 01/09/1990 | US4892674 Addition of severely-hindered amine salts and/or aminoacids to non-hindered amine solutions for the absorption of H2 S |
| 01/09/1990 | US4892664 Decontamination of sites where organic compound contaminants endanger the water supply |
| 01/09/1990 | US4892570 Water precipitator apparatus |
| 01/09/1990 | US4892569 Compressed air pressure supply system |
| 01/09/1990 | US4892568 Process for removing n-type impurities from liquid or gaseous substances produced in the gas-phase deposition of silicon |
| 01/09/1990 | US4892567 Simultaneous removal of mercury and water from fluids |
| 01/09/1990 | US4892566 Pressure swing adsorption process and system |
| 01/09/1990 | US4892565 Adsorptive separation utilizing multiple adsorption beds |
| 01/09/1990 | US4892564 Membrane process for hydrocarbon liquid recovery |
| 01/09/1990 | US4892142 Device and method for removing gaseous impurities from a sealed vacuum |
| 01/04/1990 | DE3917409A1 Process and apparatus for solvent recovery from gases |
| 01/04/1990 | DE3822291A1 Loading device for the introduction of modules into a reactor |
| 01/03/1990 | EP0348875A2 Method for the recovery of sulfur |