| Patents for B01D 47 - Separating dispersed particles from gases, air or vapours by liquid as separating agent (12,036) |
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| 12/05/1989 | US4885010 Spray booth |
| 11/30/1989 | DE3838395A1 Process for disposing of, in particular, combustible, dusty or fine swarf material arising in machining processes, and device for carrying it out |
| 11/22/1989 | CN2047988U Ballistic dust separator |
| 11/22/1989 | CN2047987U Folliculi desulfurization misk and dust removing device |
| 11/21/1989 | US4881956 Method and device for cleaning particulate-laden gases |
| 11/21/1989 | US4881952 Method and apparatus for disposing dust produced during amorphous silicon film-forming process |
| 11/07/1989 | US4878925 Apparatus for removing foreign substances in gas |
| 10/25/1989 | CN2046587U Multi-functional fully-automatic wet dust catcher |
| 10/18/1989 | EP0337940A1 Filter |
| 10/18/1989 | CN2046036U Washing type dust remover |
| 10/18/1989 | CN2046035U Dust-removing and fume extracting apparatus of continuous vulcanization box for rubberized fabric |
| 10/17/1989 | US4874404 Vacuum cleaner |
| 10/11/1989 | CN2045670U Wet dust collector |
| 09/27/1989 | EP0333797A1 Installation for collecting and removing materials capable of being fluidized |
| 09/27/1989 | CN1035779A Filter with boiler-shaped filtering elements |
| 09/21/1989 | WO1989008491A1 Method and apparatus for cleaning gases |
| 09/21/1989 | DE3808343A1 Filter insert for a tank filter housing |
| 09/12/1989 | US4865749 Indoor swimming pool maintenance, cyclone separator, ozone treatment |
| 09/05/1989 | US4863495 Process for removing volatile organic compounds from air streams |
| 09/05/1989 | CA1259015A1 Paint detackification method |
| 08/30/1989 | EP0330096A2 Device for the purification of gas |
| 08/30/1989 | CN1035059A Physical method to remove smoke and dust by water spray |
| 08/29/1989 | US4861558 Tank of aqueous absorbent, cyclone separator, oxidizing gas |
| 08/22/1989 | US4859405 Filtered venting and decay heat removing apparatus and system for containment structures, and method of operation |
| 08/22/1989 | US4859219 Apparatus for precipitating exhausted smoke from a chimney |
| 08/22/1989 | EP0327532A4 Filtering apparatus. |
| 08/16/1989 | EP0327532A1 Filtering apparatus. |
| 08/10/1989 | DE3802718A1 Flue-gas cooler |
| 08/09/1989 | EP0326563A1 A method for cleansing gas and apparatus herefor. |
| 08/08/1989 | US4854500 Apparatus and method to produce charged fog |
| 08/03/1989 | DE3816727C1 Apparatus for separating off solids from a gas stream, in particular for the purification of flue gas and exhaust gas streams |
| 08/02/1989 | CN2041976U Steam-condensing dust remover |
| 08/01/1989 | US4853195 Treating contaminated gas with oxygen-containing gas and aqueous alkaline absorber to precipitate calcium sulfate |
| 08/01/1989 | US4853194 Method for treating exhaust gas |
| 07/26/1989 | EP0324763A1 A method for cleansing gases and apparatus herefor. |
| 07/25/1989 | US4851016 Device for filtering a stream of air |
| 07/19/1989 | EP0324200A1 Device for feeding washing liquid to a radial flow washer |
| 07/19/1989 | CN1033946A Dust remover for boilers |
| 07/13/1989 | DE3809850C1 Gas scrubber, in particular for scrubbing out paint particles from the exhaust air of paint spray booths |
| 07/12/1989 | CN2040803U Cleaning device for eliminating smoke and reducing dust |
| 07/11/1989 | US4846856 Circulating air scrubber |
| 07/04/1989 | US4844874 Method and means for controlling mist scrubber operation |
| 06/29/1989 | WO1989005687A1 Scrubber |
| 06/21/1989 | CN1033445A Dust remover capable of eliminating smoke and desulphation |
| 06/20/1989 | CA1256089A1 High specific area material and use thereof for improving contact between phases or reactants implying physical and/or chemical and/or biological processes |
| 06/14/1989 | CN2039389U Sealed wet precipitator |
| 06/13/1989 | US4839107 Microgravity carbonator system |
| 06/13/1989 | US4839014 Cleaner assembly, humidifier, gas alarm and detoxification system |
| 06/08/1989 | DE3731895A1 Device for purifying exhaust gases and utilising the residual heat from exhaust gases |
| 06/07/1989 | CN2038810U Air cushion dust remover |
| 05/31/1989 | CN2038420U Water-filmed cyclonic dust collector |
| 05/31/1989 | CN2038419U Automatic fog actuated dust collector |
| 05/24/1989 | EP0316377A1 Multiple-stage installation for scrubbing exhaust gases. |
| 05/24/1989 | EP0178962B1 Method and apparatus for the compression and transportation of a gas comprising a liquid fraction |
| 05/24/1989 | CN2038200U Rotory dabbling type smoke and dust extractor |
| 05/10/1989 | EP0197060B1 System for separating liquid droplets from the gas flow inside a vertical pipe |
| 05/10/1989 | CN2037426U Impact granule ash separator |
| 05/09/1989 | US4828768 Jet scrubber and method of operation |
| 05/03/1989 | EP0314072A1 Supercooling type mist eliminator apparatus |
| 05/03/1989 | DE3800161C1 Combination method for removing dust and acidic gases from flue gases |
| 05/02/1989 | US4826514 Apparatus for dampening hazardous material |
| 04/27/1989 | DE3833476A1 Liquid jet scrubber for treating combustion exhaust gases |
| 04/26/1989 | CN2036615U Dust-collecting unit for boiler |
| 04/26/1989 | CN2036445U Agitation type smoke-eliminating dust-reing device |
| 04/12/1989 | EP0310830A1 Venturi-cooler for a gas desulfuration plant |
| 04/11/1989 | US4820456 Mass-transfer apparatus |
| 04/04/1989 | US4818259 Air filtration device |
| 04/04/1989 | US4818256 Steam scrubbing method and system for exhaust gases |
| 03/28/1989 | US4816046 Fine particle collector trap for vacuum evacuating system |
| 03/28/1989 | US4816042 Scrubber-exhaust gas conditioner |
| 03/23/1989 | WO1989002308A1 Installation for collecting and removing materials capable of being fluidized |
| 03/23/1989 | WO1989002307A1 Air scrubber for cement bin |
| 03/23/1989 | DE3730436A1 Anlage zum aufsammeln und entsorgen fluidisierbaren materials Annex to pick up and dispose of materials fluidisable |
| 03/07/1989 | US4810268 Apparatus and method of washing air |
| 03/07/1989 | CA1250804A1 Moisture eliminator for air washer |
| 03/07/1989 | CA1250803A1 Method and plant for cooling gases and removing dust from them |
| 02/23/1989 | WO1989001505A1 Process and installation for recovering reusable gas from waste through pyrolysis |
| 02/23/1989 | DE3727004A1 Verfahren und anlage zur rueckgewinnung von verwertbarem gas aus muell durch pyrolyse Method and system for the recovery of recyclable trash by pyrolysis gas from |
| 02/22/1989 | CN1031193A Gas washer with screwing fluid |
| 02/16/1989 | DE3823995A1 Foam-gas scrubber |
| 02/15/1989 | CN2032496U Impact venturi scrubber for fumes |
| 02/15/1989 | CN1031130A Dedusting and desulphurization method and apparatus for coal-fired boilers |
| 02/09/1989 | DE3724806A1 Process and apparatus for separating off aerosols |
| 02/07/1989 | CA1249771A1 Gas scrubbing method and apparatus |
| 01/31/1989 | US4801315 Device for the wet cleaning of flue gas |
| 01/31/1989 | CA1249529A1 Apparatus for the removal of particulates from industrial gases |
| 01/18/1989 | CN2030902U High efficient dust and smoke cleaning device |
| 01/18/1989 | CN2030901U High efficient liquid and membrane type cleaning device |
| 01/18/1989 | CN2030900U Dust and smoke cleaning device |
| 01/11/1989 | CN2030502U Rotary high-pressure water spraying smoke-eliminating and dust-removing device |
| 01/11/1989 | CN1030177A 净化系统 Purification System |
| 01/10/1989 | CA1248304A1 Vacuum cleaner |
| 01/04/1989 | EP0298000A2 Purification system |
| 12/29/1988 | DE3820398A1 Verfahren und vorrichtung zum reinigen von industrieabgasen Method and apparatus for cleaning industrial waste gases |
| 12/27/1988 | US4793835 Device for filtering and/or moistening a stream of air |
| 12/27/1988 | US4793338 Anti-siphoning liquid valve filter |
| 12/15/1988 | WO1988009695A1 Flue gas scrubber system |
| 12/07/1988 | CN88210969U Flue gas purifier for vortex boiler |
| 12/01/1988 | WO1988009204A1 Multiple-stage installation for scrubbing exhaust gases |
| 11/30/1988 | CN88203475U Dust removing device for boiler smoke |