| 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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| 03/18/1999 | WO1999013204A2 Method of manufacturing catalytic converter |
| 03/18/1999 | WO1999013049A2 Method for fermentation in conditions free from atmospheric oxygen |
| 03/18/1999 | WO1999012853A1 System and method for photocatalytic treatment of contaminated media |
| 03/18/1999 | WO1999012849A1 High efficiency process for recovering sulfur from h2s-bearing gas |
| 03/18/1999 | WO1999012645A1 A catalyst carrier |
| 03/18/1999 | WO1999012639A1 Top-milled channeling for removal of oxygen from an oxygen generator |
| 03/18/1999 | WO1999012638A1 Treatment of gaseous emissions |
| 03/18/1999 | WO1999012637A1 Substrate media for plasma gas processing reactors |
| 03/18/1999 | WO1999012636A1 Device for removing water vapour from pressurised gases or gas mixtures |
| 03/18/1999 | WO1999012622A1 Method and arrangement for treatment of gases |
| 03/18/1999 | DE19842228A1 Absorber for recovering carbon dioxide from power station flue gas |
| 03/18/1999 | DE19832411A1 Continuous determination of condensable hydrocarbons in e.g. motor fuel |
| 03/18/1999 | DE19802015A1 Building ventilation system |
| 03/18/1999 | DE19757051C1 Recovery of shield gases used in welding and other processes |
| 03/18/1999 | DE19749607C1 Catalytic agglomeration combustion waste gas particles |
| 03/18/1999 | DE19746817C1 Non-catalytic nitrogen oxide(s) emission reduction in combustion waste gas |
| 03/18/1999 | DE19740966A1 Metallic exhaust catalyst substrate construction |
| 03/18/1999 | DE19740848A1 Oxygen absorbed from air by fine-grained zeolite and abstracted by vacuum pump |
| 03/18/1999 | DE19740656A1 Cleaning waste gas from electrically heated ovens |
| 03/18/1999 | DE19740616A1 Gas cleaning equipment for electric kiln firing ceramics |
| 03/18/1999 | DE19740477A1 Conversion to glass of filter dust and residues from flue gas scrubbing with high chlorine contents |
| 03/18/1999 | DE19740053A1 Reactor for removing unpleasant smells and germs from (in)organic gases |
| 03/18/1999 | CA2301045A1 Treatment of gaseous emissions |
| 03/18/1999 | CA2271153A1 Deodorizing apparatus and deodorizing method |
| 03/18/1999 | CA2270990A1 Top-milled channeling for removal of oxygen from an oxygen generator |
| 03/18/1999 | CA2267952A1 A catalyst carrier |
| 03/17/1999 | EP0901985A2 Separation of xenon from gas mixtures |
| 03/17/1999 | EP0901809A2 Exhaust gas purification system of internal combustion engine |
| 03/17/1999 | EP0901808A2 Process and apparatus for treating exhaust air from thermal drying processes |
| 03/17/1999 | EP0901807A2 Purification of gases using solid adsorbents |
| 03/17/1999 | EP0901801A1 Process for low temperature pyrolysis of dioxins |
| 03/17/1999 | EP0901404A1 Filtering material and process for the production thereof, and adsorption filter produced from said filtering material |
| 03/17/1999 | EP0871534A4 Voc control/solvent recovery system |
| 03/17/1999 | EP0868400A4 Oxygen scavenging metal-loaded ion-exchange compositions |
| 03/17/1999 | EP0840838B1 Process and device for decompositing nitrogen oxides in internal combustion engine exhaust gases |
| 03/17/1999 | EP0735951B1 Process for manufacturing a protective laminate |
| 03/17/1999 | CN2310614Y Dust-removing desulfurizing device |
| 03/17/1999 | CN1211229A Method for reducing NOx emission from a kiln plant |
| 03/17/1999 | CN1210749A Desulfurization process for flue gases |
| 03/17/1999 | CN1210748A Automatic change-over system for purified air drier tower and its controlling program |
| 03/17/1999 | CN1210747A Pressure swing adsorption process and apparatus |
| 03/17/1999 | CN1042497C Apparatus for cleaning of polluted material from atmospher |
| 03/17/1999 | CN1042496C Liquid dispensor used for material and/or heat exchange tower |
| 03/16/1999 | US5883041 Transition metal oxides as oxidation catalysts for exhaust gases |
| 03/16/1999 | US5883037 Thermally stable/highly reducible catalyst compositions comprising alumina and the oxides of cerium and zirconium |
| 03/16/1999 | US5882616 Catalytic oxidation of volatile organic compounds |
| 03/16/1999 | US5882615 Cleaning agent and cleaning process for harmful gas |
| 03/16/1999 | US5882614 Very low sulfur gas feeds for sulfur sensitive syngas and hydrocarbon synthesis processes |
| 03/16/1999 | US5882608 Hybrid mounting system for pollution control devices |
| 03/16/1999 | US5882607 Exhaust gas cleaner and method for cleaning exhaust gas |
| 03/16/1999 | US5882386 Device for separating moisture from gas vented from an aircraft |
| 03/16/1999 | US5882385 Plant for treating at least one fluid and use for the separation of at least one constituent of a gas mixture |
| 03/16/1999 | US5882384 Gas source and dispensing system with in situ monitoring of pressure and temperature |
| 03/16/1999 | US5882383 Gas drying apparatus |
| 03/16/1999 | US5882382 Polyimide semipermeable membrane |
| 03/16/1999 | US5882381 Fluidized bed volatilizes contaminants and separating them from gas stream |
| 03/16/1999 | US5882380 Gas separation process with adsorption, withdrawal, pressurization and depressurization |
| 03/16/1999 | US5882366 Alternating wash/dry water scrubber entry |
| 03/16/1999 | CA2246915A1 Process for the removal of water, co2, ethane and c3+ hydrocarbons from a gas stream |
| 03/16/1999 | CA2097609C Device for purifying exhaust of internal combustion engine |
| 03/16/1999 | CA2072161C Process for removing sulfur dioxide and nitrogen oxides from flue gases |
| 03/16/1999 | CA2051064C Catalyst material and method for decomposition of chlorofluorocarbons |
| 03/16/1999 | CA2018356C Method of treating exhaust gas |
| 03/16/1999 | CA1340451C Combined catalytic/non-catalytic process for nitrogen oxides reduction |
| 03/11/1999 | WO1999011910A1 Improvements relating to catalysts |
| 03/11/1999 | WO1999011909A1 Method of reducing internal combustion engine emissions, and system for same |
| 03/11/1999 | WO1999011437A1 Method and apparatus for purification of argon |
| 03/11/1999 | WO1999011372A1 Sox additive systems based upon use of multiple particle species |
| 03/11/1999 | WO1999011359A1 Catalytic converter and exhaust line for cleaning exhaust emitted from a lean mixture operated combustion engine |
| 03/11/1999 | WO1999011358A1 Activated carbon filter and process for the separation of noxious gases |
| 03/11/1999 | WO1999011348A1 Device and process for dehydration of water absorbent |
| 03/11/1999 | WO1998047594A3 Use of aerogels as adsorption agents |
| 03/11/1999 | DE19801410C1 Device to reduce nitrogen oxides present in the exhaust gas of a diesel engine or a lean mix spark ignition engine |
| 03/11/1999 | DE19739157A1 Tin recovery from waste air containing tin tetrachloride |
| 03/11/1999 | DE19739156A1 Tin is recovered from the filters used in tin tetrachloride purification plant |
| 03/11/1999 | DE19739154A1 Chlorine removal from waste gas |
| 03/11/1999 | DE19739144A1 Anordnung zur Entfernung von Wasserdampf aus unter Druck befindlichen Gasen oder Gasgemischen An arrangement for removing water vapor from the pressurized gases or gas mixtures |
| 03/11/1999 | DE19738737A1 Katalysator und Abgasleitung zur Reinigung eines Abgases aus einem mit Luftüberschuß betriebenen Verbrennungsmotor Catalyst and exhaust pipe for purifying an exhaust gas from an operated with excess air combustion engine |
| 03/11/1999 | DE19738678A1 Regenerative reactor for cleaning solvent-laden waste gas |
| 03/11/1999 | CA2300870A1 Device and process for dehydration of water absorbent |
| 03/10/1999 | EP0900923A2 Mixture delivery device |
| 03/10/1999 | EP0900588A1 Gas separation membranes based on regiospecific polyamide-imides |
| 03/10/1999 | EP0900586A1 Arrangement of spray nozzles for a scrubber |
| 03/10/1999 | EP0900177A1 Ultraviolet light irradiated ebullating mass transfer system |
| 03/10/1999 | EP0900123A1 Particle-loaded membranes as oxidant scavengers |
| 03/10/1999 | EP0900121A1 Methods of selectively separating co 2 from a multicomponent gaseous stream |
| 03/10/1999 | EP0900117A1 Control systems for operating gas cleaning devices |
| 03/10/1999 | EP0852662B1 Process and device for reacting a pollutant in an exhaust gas on a catalyst |
| 03/10/1999 | EP0852512B1 Method and device for decomposing oxides of nitrogen in the exhaust gases from an internal-combustion engine |
| 03/10/1999 | EP0842308A4 Electrochemical recovery of hydrogen halides using membrane |
| 03/10/1999 | EP0830695B1 Electrically insulating gastight feedthrough |
| 03/10/1999 | EP0755298B1 Flue gas purification apparatus |
| 03/10/1999 | EP0667006B1 Remote region vacuum regulator |
| 03/10/1999 | CN2309880Y Desulfurizing dust remover |
| 03/10/1999 | CN2309879Y Ceramic vortex flow wet type smoke desulfurizing dust removing device |
| 03/10/1999 | CN1210562A Steel-making method and plant |
| 03/10/1999 | CN1210475A Catalysts for full oxidation of volatile organic compounds |
| 03/10/1999 | CN1210474A Compounds for sorption of gases |
| 03/10/1999 | CN1210093A Closed circulation treatment of waste water and gases in papermaking plants |
| 03/10/1999 | CN1210027A Method for adsorption of xenon by activated carbon fibers |