| Patents for B01D 47 - Separating dispersed particles from gases, air or vapours by liquid as separating agent (12,036) |
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| 02/16/2000 | CN1049366C Accelerator impact dust remover of granite and its making method |
| 02/15/2000 | US6024796 Wet scrubber and paint spray booth including the wet scrubber |
| 02/15/2000 | CA2153841C Two stage downflow flue gas treatment condensing heat exchanger |
| 02/09/2000 | CN1243762A Method for clarifying smoke dust of boiler and its draught-water duster |
| 02/03/2000 | DE19832174C1 Verfahren und Vorrichtung zur Reinigung von Rohgas Method and apparatus for purifying the raw gas |
| 02/02/2000 | CN2362014Y Domestic liquid-cleaning cooking fume extractor |
| 02/02/2000 | CN2361362Y Spray atomizing smoke-eliminating dust remover |
| 02/02/2000 | CN2361361Y Air purifying dust remover |
| 02/02/2000 | CN1243453A Wet-gas treatment method and apparatus adapting said method |
| 02/02/2000 | CN1243028A Continuous generating moving-bed waste-gas treatment tower and use thereof |
| 02/02/2000 | CN1243024A Oil fume purifying method with air-curtain and shower-air, and apparatus thereof |
| 02/01/2000 | US6019819 Apparatus and method for extracting heat from contaminated waste steam |
| 02/01/2000 | US6019818 Combination quenching and scrubbing process and apparatus therefor |
| 02/01/2000 | US6019817 System and method for capturing and destroying HAP/VOC substances using microbial degradation |
| 01/29/2000 | CA2275046A1 Cupola emission control system |
| 01/27/2000 | WO2000003788A1 Method and device for liquid purification of crude gas flows |
| 01/26/2000 | CN2360143Y Wetting dust removing desulphurization Unit |
| 01/25/2000 | US6017383 Removal of impurities such as nitrogen dioxide, sulfur dioxide and chlorine gases utilizing a multiphase flow including a series of translating slugs |
| 01/20/2000 | WO2000002641A1 Method and apparatus for controlling a pump |
| 01/20/2000 | DE19832154A1 Forced draught thermal treatment of toxically polluted solids waste, with direct quench cooling of the separated exhaust gases |
| 01/19/2000 | EP0972560A2 Process and apparatus for intensively mixing of reactants |
| 01/19/2000 | CN2359589Y Purification device for domestic cooking hood with liquid washing method |
| 01/19/2000 | CN2358975Y Smoke cleaning apparatus |
| 01/19/2000 | CN1241951A Reactor gasifying engine particulates and unburned hydrocarbons |
| 01/12/2000 | CN2358372Y Control device for domestic fume cleaner |
| 01/12/2000 | CN2358371Y Exhauster for kitchen ventilator by liquid cleaning method |
| 01/06/2000 | WO2000000294A2 Wet scrubber and paint spray booth including the wet scrubber |
| 01/05/2000 | EP0968044A1 Method for preventing the formation of sulfuric acid aerosols in flue gas cleaning plants |
| 01/05/2000 | DE19829079A1 Ultra-fine air filtration unit for use during domestic vacuum cleaning |
| 01/05/2000 | CN2356739Y Improved structure for air washing tower |
| 01/05/2000 | CN2356738Y Purifier for cooking fume from kitchen |
| 01/05/2000 | CN2356737Y Tower for removing smoke and sulphur with foam |
| 01/05/2000 | CN2356736Y Viscous duster for industry |
| 01/05/2000 | CN2356735Y 气动乳化过滤器 Air filter emulsification |
| 01/05/2000 | CN1240152A Dry and wet complex type desulfurizing dust remover |
| 01/04/2000 | US6010559 Mixing apparatus for gas scrubbing systems |
| 12/30/1999 | DE19828348A1 Method for cleaning the process gases produced by thermal separation operations on metal workpieces |
| 12/29/1999 | WO1999067571A1 Dehumidifier for flue gases |
| 12/29/1999 | CN2355774Y Multifunctional silencing and smoke prevention dust remover |
| 12/29/1999 | CN2355773Y Simple water film dust remover |
| 12/28/1999 | US6007915 Shaped packing element |
| 12/28/1999 | CA2081030C Low pressure drop dry scrubber |
| 12/22/1999 | EP0965379A1 Method of processing desulfurization absorption liquid and apparatus therefor |
| 12/22/1999 | CN2354638Y Rotary water mist dust collector |
| 12/22/1999 | CN2354637Y Air flowing water curtain apparatus for purification |
| 12/22/1999 | CN2354636Y Environment protector for venting and purifying oily gases |
| 12/22/1999 | CN2354635Y Unitary horizontal jetting dust remover |
| 12/22/1999 | CN2354634Y Improved water bath dust collector |
| 12/22/1999 | CN2354633Y Purifier by diesel oil absorption |
| 12/22/1999 | CN1239009A Duster |
| 12/21/1999 | US6004381 Filtration device and method using absorption for the removal of gas phase contaminants |
| 12/21/1999 | US6004379 System for quenching and scrubbing hot partial oxidation gas |
| 12/21/1999 | US6004364 Separation device |
| 12/15/1999 | EP0963235A1 Open contact reactor |
| 12/15/1999 | CN1238233A Process for integrating dust removal with desulfurization by water film and system thereof |
| 12/15/1999 | CN1238229A Water-filter type of air cleaning energy saving device |
| 12/14/1999 | US6001155 Polyphasic pressurized homogenizer |
| 12/14/1999 | US6000685 Gas/liquid contact structure |
| 12/09/1999 | WO1999051324A3 Gas scrubbing apparatus |
| 12/09/1999 | DE19837087C1 Liquid separator for a gaseous suction flow, e.g. for vacuum cleaner, ensures gaseous suction flow pulls along minimal quantity of liquid |
| 12/08/1999 | CN2352247Y Apparatus for dust-removing and desulfurizing using 'Mashi' stone |
| 12/08/1999 | CN2352244Y Industrial stack gas treating equipment |
| 12/08/1999 | CN1047128C Corrugated sheet assembly |
| 12/01/1999 | EP0960648A1 Process and plant to clean the off-gas of a dryer |
| 12/01/1999 | EP0960595A1 Dust filtration with water |
| 12/01/1999 | EP0960594A1 Air purifier |
| 12/01/1999 | CN2351182Y Smoke prevention and dust control filtering draught fan |
| 12/01/1999 | CN1236730A Process and apparatus for purifying raw gas of sulfuric acid |
| 11/30/1999 | US5993522 Compressed air strainer and drying treatment |
| 11/27/1999 | CA2271546A1 Method and apparatus for the purification of waste gas of a drying apparatus |
| 11/24/1999 | CN2350109Y Dust-collector with negative pressure regulator |
| 11/23/1999 | US5990106 Antibiotics; 3-azabicyclo(3.2.0)hept-3-yl group joined at given position of a pyridonecarboxylic acid residue, such as 7-(1-amino-3-azabicyclo(3.2.0)hept-3-yl)-1-cyclopropyl-6,8-difluoro-1,4 -dihydro-4-oxoquinoline-3-carboxylic acid |
| 11/23/1999 | US5989502 For efficiently mixing and redistributing reactants across the horizontal cross-section of a vertical reaction vessel |
| 11/23/1999 | US5988603 Level maintenance in cyclone contractors |
| 11/17/1999 | EP0956121A1 Method and device for bringing a gas and a liquid into contact with one another |
| 11/17/1999 | CN2348914Y Carbon collector for wet type dust removing |
| 11/16/1999 | US5985009 Automatic carpet cleaning waste water disposal apparatus |
| 11/11/1999 | WO1999056854A1 A method and a device for separating solid particles from a flow of hot gas |
| 11/10/1999 | CN2347646Y Tower for eliminating smoke and dust |
| 11/04/1999 | DE19919117A1 Packing for scrubbing and rectification columns |
| 11/03/1999 | EP0953373A2 Process for removal of impurities from a gas stream |
| 11/03/1999 | EP0952881A1 Reactor gasifying engine particulates and unburned hydrocarbons |
| 11/03/1999 | CN2346493Y Integral energy saving dusting and desulfuring appts. |
| 11/03/1999 | CN2346491Y Double-striking desulfuring duster |
| 11/03/1999 | CN2346490Y Smoke removing, dusting and desulfuriing purifier |
| 11/03/1999 | CN2346489Y Civil smoke/dust flushing scrubber |
| 10/27/1999 | EP0951856A2 Suction device |
| 10/27/1999 | EP0951336A1 A wet gas processing method and the apparatus using the same |
| 10/27/1999 | EP0900117A4 Control systems for operating gas cleaning devices |
| 10/27/1999 | CN2345270Y Energy-saving sulphur reducing high-efficient dust remover |
| 10/27/1999 | CN2345269Y Device for removing dust from smoke of cement shaft kiln |
| 10/26/1999 | US5972078 Manifold including integral cleaning solution supply conduit to rinse manifold interior of accumulated coating material waste and a fluid separator to drain liquid from exhaust stream |
| 10/21/1999 | DE19817468A1 Verfahren zur Entfernung von Verunreinigungen aus einem Gasstrom A process for removing impurities from a gas stream |
| 10/20/1999 | CN2344077Y Wet dust-removing device for vertical kiln |
| 10/20/1999 | CN2344076Y Wet dust-removing device |
| 10/14/1999 | WO1999051324A2 Gas scrubbing apparatus |
| 10/14/1999 | WO1999051323A1 Gas scrubbing and scrubbing liquor recovery apparatus |
| 10/13/1999 | CN2343507Y Device for recovering life waste oil |
| 10/13/1999 | CN2343485Y Kiln flue gas washing duster |
| 10/13/1999 | CN2343162Y Water quality purifier for pool |