| Patents for B01D 47 - Separating dispersed particles from gases, air or vapours by liquid as separating agent (12,036) |
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| 10/07/1998 | CN2293373Y Fume discharge purifier for boiler |
| 09/23/1998 | CN2291966Y Chimney dust remover |
| 09/22/1998 | US5810897 Spray tower |
| 09/22/1998 | US5810172 Methods for recycling flush water and waste solids in a wood panel fabrication process |
| 09/16/1998 | CN2291197Y Dust-removing and desulfurizing integrated device with multiple venturi ceramic pipe |
| 09/16/1998 | CN2291194Y High-efficiency energy-saving air and water return dust remover |
| 09/09/1998 | CN2290390Y Ultrasonic atomizing cyclone duster |
| 09/09/1998 | CN2290389Y High effective vertical fume and smoke purifying unit |
| 09/09/1998 | CN2290388Y Silencing duster |
| 09/09/1998 | CN1192521A Liquid washing type cooking fume remover |
| 09/08/1998 | US5803955 Apparatus for dust control |
| 09/02/1998 | CN2289979Y Oil fume purifier using liquid washing method |
| 09/02/1998 | CN2289596Y High-efficiency dust-rmeoval desulfurization device for boiler smoke |
| 09/02/1998 | CN2289595Y Chimney dust-removal filter |
| 09/01/1998 | US5800594 Column and processes for purifying solvent-containing gases |
| 08/28/1998 | CA2230618A1 Indoor air quality gas phase return air cleaner |
| 08/27/1998 | DE19705897A1 Verfahren zur Unterdrückung der Bildung von Schwefelsäureaerosolen in Abgasreinigungsanlagen A method for suppressing the formation of sulfuric acid aerosols in exhaust gas purification systems |
| 08/26/1998 | EP0860193A1 Method for purifying gas loaded with dust |
| 08/21/1998 | CA2229945A1 Method for purifying gas loaded with dust |
| 08/20/1998 | WO1998035745A1 Method for preventing the formation of sulfuric acid aerosols in flue gas cleaning plants |
| 08/13/1998 | WO1998034716A1 Method of processing desulfurization absorption liquid and apparatus therefor |
| 08/12/1998 | CN2287511Y Cleaning device for smoke |
| 08/12/1998 | CN2287510Y Dust removing device for boiler smoke |
| 08/06/1998 | WO1998033976A1 Dust extracting installation on machine producing crepe paper |
| 08/06/1998 | WO1998033577A1 Open contact reactor |
| 08/06/1998 | WO1998033576A1 Open contact reactor |
| 08/05/1998 | CN2287049Y Shock impulsing dust remover |
| 08/05/1998 | CN2287048Y Improved smoke and dust eliminator |
| 07/30/1998 | WO1998032523A1 Flue gas scrubber |
| 07/29/1998 | CN1188684A Air washer |
| 07/22/1998 | EP0853971A1 Apparatus and method for wet type simultaneous decontaminating and dust-removing gas treatment |
| 07/22/1998 | CN2286428Y Vertical and wet type desulfurizing and dust removing equipment |
| 07/15/1998 | EP0852507A1 Method and apparatus for encapsulating particulates |
| 07/09/1998 | WO1998029180A1 Reactor gasifying engine particulates and unburned hydrocarbons |
| 07/08/1998 | CN2285678Y High-efficiency dust-removal desulfurizing device for boiler |
| 06/24/1998 | CN2284641Y Ceramic pipe desulfurizing water dust scrubber |
| 06/23/1998 | US5771473 Method and plant for cleaning lightly radioactive waste incineration gases |
| 06/17/1998 | CN2284097Y Energy-saving boiler smoke and fume purifier |
| 06/17/1998 | CN2284096Y Smoke and fume purifier |
| 06/17/1998 | CN1184696A Rotary water spray type dust removing method and the apparatus therefor |
| 06/16/1998 | US5766958 Drawing air into liquid, percolating air through liquid, atomizing liquid, separating liquid into liquid and gas components, extracting sample from liquid |
| 06/16/1998 | US5766281 Apparatus for removing dust from gas with liquid filter cleaning nozzles |
| 06/09/1998 | US5762663 Wet dust collecting apparatus |
| 06/09/1998 | US5762662 For removing wood dust from circulating water in waste gas precipitation system in wood processing |
| 06/04/1998 | WO1998023349A1 Method and device for bringing a gas and a liquid into contact with one another |
| 06/03/1998 | EP0779842B1 Scrubber |
| 06/03/1998 | CN2282923Y Oil fume treatment device |
| 06/02/1998 | US5759505 Absorption with aqueous suspension of lime or limestone |
| 06/02/1998 | US5759498 Gas exhaust apparatus |
| 06/02/1998 | US5759233 Venturi scrubber and method of using the same |
| 05/27/1998 | CN2282451Y Vertical Venturi water dust scrubber made of steel |
| 05/20/1998 | CN2281834Y Desulfurizing and dust-removing device for boiler smoke |
| 05/20/1998 | CN2281832Y Oil fume purifier |
| 05/20/1998 | CN2281831Y Ceramic desulfurizing dust-removing device |
| 05/19/1998 | US5752998 Water-spray separator |
| 05/13/1998 | CN1181480A Horizental showering household cooker hood |
| 05/12/1998 | US5749944 Process and apparatus for the removal of dimethyl ester vapors or particles emitted during the storage of dimethyl esters |
| 04/22/1998 | CN2279206Y Self-excitation desulfurization dust separator |
| 04/22/1998 | CN2279205Y Air water cleaner |
| 04/22/1998 | CN2279204Y Whitestone spray impingement desulfurization dust-collector |
| 04/21/1998 | US5741340 Air venting unit |
| 04/15/1998 | CN2278520Y Wet bed granule layer deduster |
| 04/15/1998 | CN2278519Y Smoke purifier |
| 04/15/1998 | CN2278518Y Double-chamber double-ring flue-gas purifier |
| 04/14/1998 | US5738699 Apparatus for treating particles |
| 04/09/1998 | DE19743406A1 Unit for cleaning and/or humidifying air with plate stack rotating in liquid |
| 04/08/1998 | CN2277815Y Composite purifier for self-exciting water-bath fluidized bed |
| 03/25/1998 | CN2277046Y Horizontal spray household cooker hood |
| 03/18/1998 | CN2276368Y Double-grade double-side self-excited boiler gas cleaner |
| 03/18/1998 | CN1176297A Multi-washer and method of total cleaning of gases |
| 03/17/1998 | US5728186 Waste gas treatment apparatus |
| 03/12/1998 | WO1998009711A1 Method and apparatus for treatment of hot vapors |
| 03/11/1998 | CN2275898Y Multilayer tower-type particle layer smoke prevention and dust control devulcanizer |
| 03/04/1998 | CN2275712Y Automatic spraying dusting regulator |
| 02/18/1998 | CN2274523Y Tunnel rotor dust collector |
| 02/18/1998 | CN1173611A Boiler dusting and desulfuring system |
| 02/11/1998 | CN2274094Y Smoke isolation purifier |
| 02/11/1998 | CN2274093Y Spray dust-removing device |
| 02/10/1998 | US5716428 Method for removing harmful substances of exhaust gas discharged from semiconductor manufacturing process |
| 02/04/1998 | CN2273617Y Energy saving and sectional type ceramic desulfurizing and water membrane dust separating equipment |
| 02/04/1998 | CN2273616Y Wet type desulfurizing and dust removing equipment |
| 02/03/1998 | US5713971 Filtration device using absorption for the removal of gas phase contaminants |
| 02/03/1998 | US5713970 Multi-chambered scrubbing apparatus for dust control |
| 01/28/1998 | EP0820802A2 Multi-washer and process for complete cleaning of gases |
| 01/28/1998 | EP0820341A1 Process for the removal of dust from gas that has been produced by low temperature carbonization |
| 01/28/1998 | CN1171747A Venturi scrubber and method with optimized remote spray |
| 01/28/1998 | CN1171289A Wet-gas treating device and method for simultaneously removing toxicity and dust |
| 01/25/1998 | CA2211159A1 Method for manufacturing ultra-fine water droplets and device for manufacturing the same |
| 01/22/1998 | CA2210981A1 Horizontal multi-washer and method of total cleaning of synthesis gases obtained from the gasification of wastes of the most varied composition |
| 01/21/1998 | CN2272781Y Self-exciting water film dust-remover |
| 01/21/1998 | CN2272780Y Water washing device for indoor air |
| 01/15/1998 | WO1998001213A1 Installation for cleaning gases, especially fire smoke gases |
| 01/15/1998 | DE19627462A1 Gas washing unit |
| 01/15/1998 | CA2259300A1 Installation for cleaning gases, especially fire smoke gases |
| 01/14/1998 | CN2272319Y Venturi flushing water membrane high-effect desulfurating dust trap |
| 01/14/1998 | CN1170121A Automatic flue purifier for household |
| 01/13/1998 | US5707593 Energy self-sustainable reactor for gasifying engine particulates and unburned hydrocarbons |
| 01/13/1998 | US5707426 Heat exchanging and filtration of particles from flue gas continuous spraying water solution then washing |
| 01/13/1998 | US5707410 Exhaust stack scrubber |
| 01/07/1998 | CN2271924Y Energy-saving efficient desulfurizing dust remover |