| 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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| 02/06/1997 | WO1997003913A1 Corrosion inhibitor for alkanolamine units |
| 02/06/1997 | WO1997003872A1 Air dryer cartridge mounting system |
| 02/06/1997 | WO1997003746A1 Process and device for the plasma-chemical decomposition and/or destruction of harmful substances |
| 02/06/1997 | WO1997003745A1 Single gas purifier vessel and heat exchanger |
| 02/06/1997 | WO1997003631A1 Hypoxic room system and equipment for hypoxic training and therapy |
| 02/06/1997 | WO1997003565A1 Generator of ethylene gas with zeolite catalyst and scrubber used in the treatment of fruits and vegetables |
| 02/06/1997 | DE19528783A1 Sorbent für Sauerstoff und Verfahren zu seiner Herstellung und Regenerierung Sorbent for oxygen and method for its preparation and regeneration |
| 02/06/1997 | CA2223253A1 Corrosion inhibitor for alkanolamine units |
| 02/05/1997 | EP0756891A1 Iron zeolite for conversion of NOx |
| 02/05/1997 | EP0756890A2 Process for separating sulphurdioxide from exhaust gas |
| 02/05/1997 | EP0756889A1 Wet flue gas desulfurization apparatus |
| 02/05/1997 | EP0756888A2 Low-temperature regenerative type moisture absorbing element |
| 02/05/1997 | EP0756887A1 Gas heating method and apparatus |
| 02/05/1997 | EP0756886A2 Process for adsorbing of nitrogen from gas mixtures by pressure swing adsorption with zeolites |
| 02/05/1997 | EP0756885A2 Method for VOC abatement and paint spray booth incorporating such method |
| 02/05/1997 | EP0756587A1 Apparatus and method for treating hazardous waste |
| 02/05/1997 | EP0756579A1 Non-stoichiometric tungsten carbide |
| 02/05/1997 | EP0756514A1 Diaphragm separator with cooling device |
| 02/05/1997 | EP0666895B1 Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen |
| 02/05/1997 | CN1142199A Flue gas scrubbing apparatus |
| 02/05/1997 | CN1142198A Wet type exhaust gas desulfurization method and apparatus utilizing solid desulfurizing agent |
| 02/05/1997 | CN1141820A Device for cleaning gases, such as exhaust gases and/or synthesis gases |
| 02/05/1997 | CN1141819A Exhaust sweetener |
| 02/05/1997 | CN1141818A Exhaust sweetening method |
| 02/05/1997 | CN1141817A Exhaust sweetener |
| 02/05/1997 | CN1141816A Waste-gas purifying device |
| 02/05/1997 | CN1033949C Oxygen-rich air conditioner |
| 02/04/1997 | US5599713 Apparatus for purifying contaminated air |
| 02/04/1997 | US5599508 Flue gas conditioning for the removal of acid gases, air toxics and trace metals |
| 02/04/1997 | US5599457 Machine coolant treatment method |
| 02/04/1997 | US5599456 Passing fluid through contactor having reticulated foam structured element comprising foamed substrate of zinc or copper having bound alloy particles capable of promoting reduction/oxidation reaction with contaminants therein |
| 02/04/1997 | US5599443 Tank having supports for growing aquatic plants and containers of charcoal which support growing microorganisms |
| 02/04/1997 | US5599384 Fuel vapor treatment device |
| 02/04/1997 | US5599383 Units of mixed metal oxides exhibit electron conductivity at high temperature |
| 02/04/1997 | US5599382 Enhanced heat exchanger flue gas treatment using steam injection |
| 02/04/1997 | US5599381 Separation of solutes in gaseous solvents |
| 02/04/1997 | US5599380 Polymeric membrane |
| 02/04/1997 | CA2104820C Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs ion transport membranes |
| 02/04/1997 | CA2058262C Process for extracting or disposing of ammonia or ammonia compounds from dust mixtures |
| 02/02/1997 | CA2182250A1 Process for the adsorption of nitrogen from gas mixtures by means of pressure swing adsorption with zeolites |
| 02/02/1997 | CA2155151A1 Liquid collector-distributor with integral exchange column and method |
| 01/30/1997 | WO1997003118A1 Membranes comprising salts of aminoacids in hydrophilic polymers |
| 01/30/1997 | WO1997002890A1 Cloth or cloth-like packing which is subject to low pressure losses and has an ordered structure for use in material-exchange columns and rectification method using such packing |
| 01/30/1997 | WO1997002886A1 NOx CATALYST AND METHOD OF USING THE SAME |
| 01/30/1997 | WO1997002885A1 Flue gas treatment with mixture of alkali metal bicarbonate and alkali metal carbamate |
| 01/30/1997 | WO1997002883A1 Method for absorbing gaseous oxidisable or reducible constituents through a membrane |
| 01/30/1997 | WO1997002882A1 Vapor recovery system with automatic valve control |
| 01/30/1997 | CA2226412A1 Nox catalyst and method of using the same |
| 01/30/1997 | CA2224893A1 Membranes comprising salts of aminoacids in hydrophilic polymers |
| 01/29/1997 | EP0756143A1 Adsorption process with high and low pressure feed streams |
| 01/29/1997 | EP0755714A2 Wide range hydrocarbon adsorber and quick lightoff catalyst |
| 01/29/1997 | EP0755496A1 System and method for flue gas purification for thermal power units |
| 01/29/1997 | EP0755299A1 A method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler |
| 01/29/1997 | EP0755298A1 Flue gas purification apparatus |
| 01/29/1997 | EP0755297A1 Process for condensing adsorbable and desorbable gases and device for implementing it |
| 01/29/1997 | EP0715537A4 Hopper system and electrostatic gun for injection of an electrostatically charged sorbent into a polluted gas stream |
| 01/29/1997 | EP0674542B1 A process vessel |
| 01/29/1997 | EP0662859B1 Method and apparatus for cleaning a gas |
| 01/29/1997 | EP0603218B1 Method for producing an aqueous industrial sodium chloride solution |
| 01/29/1997 | EP0585439B1 Process for reducing the pollution of operating fluids of vacuum pumps when purifying exhaust gases from vacuum pyrolysis installations and/or extrusion processes |
| 01/29/1997 | EP0559808B1 A catalyst structure having integral heat exchange (ii) |
| 01/29/1997 | EP0448659B1 Method and apparatus for chlorine dioxide manufacture |
| 01/29/1997 | CN2246017Y Fume purifier |
| 01/29/1997 | CN2246016Y Gas purifier for spray coating |
| 01/29/1997 | CN1141213A Catalyst for purifying exhaust gases process for producing same |
| 01/29/1997 | CN1141209A Membranes formed from copolymides |
| 01/29/1997 | CN1141208A Process for desulfurizing H2S-containing gas |
| 01/29/1997 | CN1141207A Staged electrolyte membrane |
| 01/29/1997 | CN1033897C Method for removing ethane and hydrocarbons with carbon number more than ethane from gasous hydrocarbon |
| 01/28/1997 | USRE35433 Coalescer filter and method |
| 01/28/1997 | US5597772 Used to treat exhaust gases of an internal combustion engine |
| 01/28/1997 | US5597771 Layered catalyst composite |
| 01/28/1997 | US5597655 Distributor trough junctions |
| 01/28/1997 | US5597619 Filtering material and method of producing the same |
| 01/28/1997 | US5597617 Carbon-coated inorganic substrates |
| 01/28/1997 | US5597546 Selective oxidation of hydrogen sulfide in the presence of bismuth-based catalysts |
| 01/28/1997 | US5597541 Apparatus for cleaning and cooling synthesized gas |
| 01/28/1997 | US5597540 Semiconductor manufacturing |
| 01/28/1997 | US5597539 Catalytic process |
| 01/28/1997 | US5596884 Cryogenic treatment of landfill gas to remove troublesome compounds |
| 01/23/1997 | WO1997002414A1 Methods of making a catalytic converter or diesel particulate filter |
| 01/23/1997 | WO1997002412A1 Intumescent sheet material and paste with organic binder |
| 01/23/1997 | WO1997002213A1 Composition based on zirconium oxide and cerium oxide, preparation method therefor and use thereof |
| 01/23/1997 | WO1997002092A1 Method and apparatus in catalytic reactions |
| 01/23/1997 | WO1997002086A1 Process for separating organic pollutants from flue gases by means of an adsorbent |
| 01/23/1997 | WO1997002085A1 Method of washing acid gases out of gaseous mixtures in order to reduce corrosion and corrosion owing to erosion |
| 01/23/1997 | DE19526737A1 Fluorine cpd. removal from gaseous mixts. |
| 01/23/1997 | DE19526361A1 Air cleaning process, esp. for use in offices |
| 01/23/1997 | CA2225811A1 Methods of making a catalytic converter or diesel particulate filter |
| 01/23/1997 | CA2225810A1 Intumescent sheet material and paste with organic binder |
| 01/22/1997 | EP0754923A2 Ultra-high purity nitrogen generating method and unit |
| 01/22/1997 | EP0754494A2 Catalyst for purifying exhaust gas |
| 01/22/1997 | EP0754493A2 Catalyst for purifying exhaust gases and process for producing the same |
| 01/22/1997 | EP0754487A1 Process and system for separation and recovery of perfluorocompound gases |
| 01/22/1997 | EP0754172A1 Diaphragm reactor for converting gaseous base materials |
| 01/22/1997 | EP0754163A1 Iron oxide/magnesium oxide composites and method for destruction of chlorinated hydrocarbons using such composites |
| 01/22/1997 | EP0754090A1 Method for obtaining secondary aluminium |
| 01/22/1997 | EP0754089A1 Method of purifying oven exhaust gases |
| 01/22/1997 | EP0712377A4 Process and apparatus for enhancing distribution of no x?-reducing chemicals in a high-solids environment |
| 01/22/1997 | EP0708679A4 Gas stream odorant filtering apparatus and method |