| Patents for B01D 47 - Separating dispersed particles from gases, air or vapours by liquid as separating agent (12,036) |
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| 10/07/1999 | DE19812758A1 Sheet cleaning unit for corrosion protection oil and dirt removal especially from sheets to be pressed to form bodywork parts |
| 10/06/1999 | CN2341700Y Smoke removing and devulcanizer |
| 09/29/1999 | EP0655943B1 Venturi scrubber, system and method |
| 09/29/1999 | CN2341088Y Showering water silencer |
| 09/29/1999 | CN2340491Y Desulfurizing and dust collecting apparatus for metal recovery |
| 09/29/1999 | CN2340490Y Centrifugal purifier for harmful gases and flue dust |
| 09/28/1999 | US5958113 Modular hydro filtration vacuum extraction machine |
| 09/23/1999 | DE19800726C1 Elementary heavy metal, especially mercury, separation from flue gases or combustion gases from waste incineration plants |
| 09/22/1999 | CN2339904Y Cooking-fume exhauster for use in kitchen |
| 09/22/1999 | CN2339287Y Washing tower for desulfurizing and partial dust-controlling smoke of coal-burning boiler |
| 09/22/1999 | CN2339286Y Humidifying machine |
| 09/22/1999 | CN1229004A Water-vapour spray dust removing using high-temp. smoke self-induced-air |
| 09/22/1999 | CN1229003A Smoke clarifier with water wind-wheel |
| 09/16/1999 | WO1999046027A1 Fluid flow inlet |
| 09/14/1999 | US5951743 A self-cleaning device mounted in a conduit adjacent to an outlet end of the exhaust conduit and by dispensing a cleaning solvent to prevent the formation of solid deposits |
| 09/14/1999 | CA2117368C Separation device and process |
| 09/10/1999 | WO1999044722A1 Apparatus for reducing contaminants in a pulsating exhaust gas |
| 09/09/1999 | DE19808895A1 Simple, cost-effective and environmentally-friendly purification of gas especially room air |
| 09/08/1999 | CN1227765A Desulfurizing dedusting system device for metal recovery |
| 09/07/1999 | US5948370 Spray toner for the removal of dust from carbonization gas |
| 09/02/1999 | WO1999043414A1 System and method for capturing and destroying hap/voc substances using microbial degradation |
| 09/02/1999 | CA2320211A1 System and method for capturing and destroying hap/voc substances using microbial degradation |
| 09/01/1999 | EP0939056A1 Device for treatment and removal of aqueous liquids by controlled atmospheric action |
| 09/01/1999 | CN2335694Y Desulfurating dust collector |
| 09/01/1999 | CN2335693Y Wet dust collector |
| 09/01/1999 | CN1227332A Means for removing odor produced by livestock |
| 09/01/1999 | CN1227133A Adhesive dust removing method and apparatus |
| 08/31/1999 | US5944987 Multipurpose combinatory oil, air, gas, & pollution filtration system |
| 08/25/1999 | CN2334477Y Wet type boiler smoke purifier |
| 08/25/1999 | CN2334476Y Differential submerged dust-removing desulfurizing tower |
| 08/24/1999 | US5942336 Methods for recycling flush water and waste solids in a wood panel fabrication process |
| 08/18/1999 | CN1226183A Fluid suction device |
| 08/11/1999 | CN2332467Y Mashi spraying impacting water membrane desulphrizing dusting appts. |
| 08/11/1999 | CN2332466Y One-level venturi for cleaning coal gas |
| 08/11/1999 | CN2332465Y Integral spraying dusting and desulphrizing appts. |
| 08/10/1999 | US5935299 For removing flue gas from incinerator which is structuredto recirculate purified gas as the shield air for insulating slurry spraying nozzle from hot gas without using additional blower to introduce external air |
| 08/04/1999 | EP0933116A1 Means for removing odor produced by livestock |
| 08/04/1999 | EP0799141B1 A filtration device using absorption for the removal of gas phase contaminants |
| 08/04/1999 | CN2331855Y Smoke prevention and dust control apparatus with flush water-bed circulation water curtain |
| 08/04/1999 | CN1225034A Method of reducing the number of pollutants in a gas flow and device for carrying out said method |
| 08/03/1999 | CA2110216C Process for cooling and cleaning gas, particularly blast furnace or producer gas, containing ultrafine particles, and apparatus for performing the same |
| 07/28/1999 | CN2330404Y Melamine-urea washing and gas-liquid separation combined equipment |
| 07/28/1999 | CN1224370A Installation for cleaning gases, especially fire smoke gases |
| 07/28/1999 | CN1044330C Dynamic dust gas purifier |
| 07/27/1999 | CA2155707C Apparatus for washing a continuous flow of particle-loaded gas |
| 07/27/1999 | CA2004063C Apparatus for washing polluted gas |
| 07/21/1999 | CN2329425Y Multi-pipe desulfurizing duster |
| 07/21/1999 | CN1223162A Fog-net type desulfurating dust-removing equipment |
| 07/15/1999 | WO1999034899A1 Apparatus and method for controlled decomposition oxidation of gaseous pollutants |
| 07/14/1999 | CN2328413Y Multiple flow spray rotoclone collector |
| 07/13/1999 | US5922093 Ultra-filtration vacuum system |
| 07/07/1999 | CN2327436Y Flue gas purifying apparatus |
| 07/07/1999 | CN1221640A Wind pressure water dust removing treatment machine |
| 06/30/1999 | CN2326339Y Jet-flow air-floatation apparatus |
| 06/30/1999 | CN2326321Y Anti-corrosion flue-gas wet fiber-grid duster |
| 06/24/1999 | DE19757438A1 Detachable mounting unit for lances carrying gas scrubber spray nozzles |
| 06/23/1999 | EP0779833B1 Process for cooling, demonomerizing and dedusting gas from a polymer drier |
| 06/23/1999 | CN2325102Y Jetting type apparatus for removing sulphur and dust |
| 06/23/1999 | CN2325101Y Water bath type equipment for removing smoke, sulphur and dust |
| 06/23/1999 | CN2325100Y Wall hanging type deice for removing sulphur and removing dust using water membrane made of granite |
| 06/23/1999 | CN1220387A Smoke prevention, dust collecting, desulfurizing and heat recovery device for furnace or kiln |
| 06/22/1999 | CA2066090C Multigas scrubber |
| 06/16/1999 | CN2323855Y Cement machine vertical kiln water dust cleaner |
| 06/16/1999 | CN2323854Y Granulite cyclone bed dedustor |
| 06/15/1999 | US5912402 Leaching dust with water for chloride and filtration, reaction with nitric acid, precipitation of iron and demetallization |
| 06/09/1999 | EP0639104B1 Process and plant for exhaust gas purification and a combination of this exhaust gas purification with that of waste water |
| 06/08/1999 | CA2153840C Segmented heat exchanger flue gas treatment |
| 06/03/1999 | WO1999026712A1 Gas-liquid contactor with liquid redistribution device |
| 06/03/1999 | WO1999019045B1 Ultra-filtration vacuum system |
| 06/02/1999 | EP0919273A1 Multiple-venturi assembly for a venturi scrubber |
| 06/02/1999 | DE19758526A1 Power station gas washer |
| 06/02/1999 | DE19753227A1 Absorber tower for power station sulfur washers and refuse incinerators |
| 06/02/1999 | DE19753143A1 Power station gas washing tower |
| 06/02/1999 | CN1043511C Method and apparatus for purifying chlorine especially chlorine in flue gas |
| 06/01/1999 | US5908494 Liquid spray air purification apparatus |
| 06/01/1999 | US5908493 Filtering system for cleaning air |
| 06/01/1999 | US5908491 Air cleaner |
| 05/27/1999 | WO1999025963A1 Apparatus for cleansing vehicle exhaust gases |
| 05/27/1999 | DE19751851A1 Reduction of aerosols in a flue gas washing plant |
| 05/26/1999 | CN2320931Y Wet domestic cooking fume remover |
| 05/26/1999 | CN2320314Y Desulfurating dust-collecting equipment |
| 05/20/1999 | WO1999024148A1 A wet gas processing method and the apparatus using the same |
| 05/20/1999 | DE19740401C1 Process breaks down industrial particulate or gaseous wastes in foam |
| 05/19/1999 | EP0916382A1 Device and method for purifying contaminated gas |
| 05/19/1999 | CN2319716Y Household internally circulating cooker hood |
| 05/19/1999 | CN2319111Y Boiler water curtain and water froth duster |
| 05/18/1999 | US5904753 Separation device and process |
| 05/14/1999 | WO1999022837A1 Batch-continuous countercurrent mass exchange process |
| 05/14/1999 | CA2310601A1 Batch-continuous countercurrent mass exchange process |
| 05/12/1999 | CN2317932Y Differential-watertower-curtain desulfurizing dust remover |
| 05/12/1999 | CN2317929Y Three-phase fluidized-bed gas-purifying device |
| 05/11/1999 | US5902520 Removal of solid, liquid or aeriform impurities by contacting gas stream with liquid |
| 05/11/1999 | US5902386 Reduced diameter separator for a vacuum cleaner apparatus |
| 05/11/1999 | US5902384 Wicking fiber with solid particulates for a high surface area odor removing filter and method of making |
| 05/11/1999 | US5902383 Dust collection apparatus having packed tower |
| 05/11/1999 | US5902377 Mixing apparatus for gas scrubbing systems |
| 05/06/1999 | EP0912229A1 Installation for cleaning gases, especially fire smoke gases |
| 05/04/1999 | US5900216 Venturi reactor and scrubber with suckback prevention |
| 04/29/1999 | WO1999020372A1 A wicking fiber with solid particulates for a high surface area odor removing filter |
| 04/29/1999 | WO1999020371A1 A scrubber for the treatment of flue gases |