| Patents for B01D 47 - Separating dispersed particles from gases, air or vapours by liquid as separating agent (12,036) |
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| 04/29/1999 | WO1999020368A1 System for removing dust from industrial gaseous waste |
| 04/28/1999 | EP0910458A1 A continuous gas molecule capturing and removal system |
| 04/27/1999 | US5897697 Composition for use in the production of fabricated wood panels |
| 04/27/1999 | US5897689 Method for binding resin and tar substances in wet-cleaning and wet precipitation systems |
| 04/22/1999 | WO1999019046A1 Gas scrubber |
| 04/22/1999 | WO1999019045A1 Ultra-filtration vacuum system |
| 04/21/1999 | CN1214640A Method of precipitating airborne particles |
| 04/20/1999 | CA2250753A1 Method and apparatus for gas scrubbing |
| 04/14/1999 | EP0908216A2 A device for the purification and sanitation of air |
| 04/14/1999 | EP0907399A1 Reactor distribution apparatus and quench zone mixing apparatus |
| 04/14/1999 | CN2313659Y Venturi dust collecting and air washing device |
| 04/14/1999 | CN1213643A Process for removing hydrogen and/or carbon monoxide from air stream |
| 04/07/1999 | EP0906779A1 Process and apparatus for eliminating carbon monoxide and/or hydrogen from an air stream |
| 04/06/1999 | US5891221 Chemical reagent package and method of operation effective at removing a wide range of odors |
| 04/06/1999 | CA2135437C Heating, ventilation and air conditioning unit with automatically controlled water spray air purification system |
| 04/01/1999 | WO1999015258A1 A liquid-based cleaning device for a gas, e.g. air |
| 03/30/1999 | US5888277 Automatic disinfecting means for smoky gas in conduit or closed space |
| 03/24/1999 | CN2311303Y Compound wetting dust-removing device |
| 03/24/1999 | CN2311302Y Non-pump dust-collecting device |
| 03/17/1999 | EP0901808A2 Process and apparatus for treating exhaust air from thermal drying processes |
| 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 | CN2309878Y Water-membrane granulite dust remover with combined upside-down cone and water |
| 03/10/1999 | CN1042399C Suction/filtration apparatus of gas |
| 03/09/1999 | US5879434 Multi-washer and method of total cleaning of gases |
| 03/04/1999 | WO1999010085A1 Purification device for separating gaseous or particulate constituents from gas streams |
| 03/04/1999 | DE19752244C1 Venturi plate for washing gases |
| 03/04/1999 | DE19737317A1 Air pressure supply |
| 03/03/1999 | CN2309179Y Rotary-drum micropowder dust remover |
| 03/02/1999 | US5878355 Method and apparatus for encapsulating particulates |
| 02/28/1999 | CA2246161A1 Water-air baffle filter |
| 02/25/1999 | WO1999008776A1 Apparatus for purifying hot flue gas and for receiving thermal energy therefrom |
| 02/25/1999 | DE19736761A1 Scrubber removing gases and particulates from e.g. flue gas flows |
| 02/24/1999 | EP0897740A2 Ecological vacuum cleaner with venturi effect |
| 02/23/1999 | US5873930 Water-air baffle filter |
| 02/23/1999 | US5873143 Exhaust filtration system for vacuum cleaners |
| 02/17/1999 | EP0753127B1 Method of purifying the exhaust gases from a drying process operating with heated gas |
| 02/17/1999 | CN2307623Y Spray bumping desulfurization dust remover |
| 02/10/1999 | EP0852507A4 Method and apparatus for encapsulating particulates |
| 02/09/1999 | US5869323 Arrangement for air purification; and method |
| 02/09/1999 | US5868807 Apparatus for removing dust from gas and for cleaning at least one filter of the apparatus |
| 02/04/1999 | DE19733247A1 Cooling of hot, dust-laden, gases |
| 02/03/1999 | CN2306065Y Granite desulfurizing dusting tower |
| 02/03/1999 | CN2306064Y Wet-desulfurizing duster |
| 02/02/1999 | US5866046 Method for manufacturing ultra-fine water droplets and device for manufacturing the same |
| 01/28/1999 | WO1999003785A1 Device for treatment and removal of aqueous liquids by controlled atmospheric action |
| 01/28/1999 | WO1998047604A3 Heat recovery and pollution abatement device |
| 01/27/1999 | CN1041866C Apparatus for removing aerosols from air of nuclear reactor containment |
| 01/21/1999 | DE19730936A1 Coating medium used as wood varnish |
| 01/20/1999 | CN2304460Y Apparatus for desulfurizing and dust collecting by wet process |
| 01/19/1999 | US5861316 Continuous emission monitoring system |
| 01/19/1999 | CA2035701C Active liquid distributor containing, packed column |
| 01/12/1999 | US5858072 Gas suction filtration apparatus |
| 01/07/1999 | EP0888162A1 Method of precipitating airborne particles |
| 01/06/1999 | CN2302842Y Heaped-up umbrella type equipment for filtering flue smoke and heat-exchanging |
| 01/05/1999 | US5855822 Water discharge module for semi-conductor exhaust treatment apparatus |
| 12/30/1998 | WO1998058729A1 Mixing apparatus and method for gas scrubbing |
| 12/30/1998 | CN1203198A Method for treating waste liquid of alcohol by using hot fume from boiler |
| 12/30/1998 | CN1203114A Horizontal self-excitation bathing water film deduster for mine |
| 12/23/1998 | CN2301641Y Improved water type cooking-fume removing machine |
| 12/16/1998 | EP0883427A1 Metallurgical dust recycle process |
| 12/16/1998 | CN2300445Y Desulfuration dust remover |
| 12/16/1998 | CN2300443Y Wet method bag type dust remover |
| 12/16/1998 | CN1201707A Method for collecting smoke dust in boiler and blowing water dust collector manufactured by the method |
| 12/15/1998 | US5848592 Air filter |
| 12/10/1998 | WO1998055803A1 Method for charging the combustion unit of a coal-fuelled power station |
| 12/10/1998 | WO1998055205A1 Device and method for purifying air and generating negatively charged ions |
| 12/10/1998 | WO1998055204A2 System for quenching and scrubbing and cooling and washing hot partial oxidation gas |
| 12/10/1998 | DE19723527A1 Scrubbing liquid distributor for trickle surface especially in lacquering or spraying booth |
| 12/10/1998 | DE19723145A1 Verfahren zur Beschickung der Verbrennungseinheit eines Kohlekraftwerks The method used to fire the combustion unit of a coal-fired plant |
| 12/09/1998 | EP0750784B1 Method and plant for cleaning lightly radioactive waste incineration gases |
| 12/09/1998 | EP0724476B1 Method of flue gas purification and flue gas purifier |
| 12/09/1998 | CN2299653Y High-efficiency smoke and dust eliminating and desulfurizing purifier |
| 12/09/1998 | CN1201401A Method of recovering fluorine compounds from vapors exiting wet process phosphoric acid evaporators |
| 12/08/1998 | US5846303 Scrubber for cleaning exhaust air contaminated with paint particles |
| 12/08/1998 | US5846272 Equipment for precipitation of pollutants from the off-gas of a pollutant source, particularly of a tentering frame |
| 12/02/1998 | CN2298857Y Smoke purifying devulcanizer for industrial boiler |
| 12/01/1998 | US5843214 Condensable vapor capture and recovery in industrial applications |
| 11/25/1998 | CN2298057Y Wind tunnel dust removing desulfurization device |
| 11/25/1998 | CN2298055Y Wet desulfurization cyclone dust collectors |
| 11/24/1998 | US5840100 Transferring steam produced to power generator, removing particles as slurry |
| 11/24/1998 | CA2099222C Process and apparatus for working up pyrotechnical material |
| 11/12/1998 | WO1998050165A1 Spray nozzle and a process using this nozzle |
| 11/11/1998 | EP0740575B1 Air cleaning apparatus |
| 11/11/1998 | CN2296761Y Efficient desulfurizing water duster with water net |
| 11/04/1998 | EP0874679A1 Method and apparatus for removal of hazardous gases from enclosed structures |
| 11/03/1998 | US5830260 Cooling; membrane filtration |
| 10/29/1998 | WO1998047604A2 Heat recovery and pollution abatement device |
| 10/29/1998 | CA2330138A1 Heat recovery and pollution abatement device |
| 10/28/1998 | EP0719174B1 Venturi cleaning system with two adjustable venturi grooves |
| 10/27/1998 | US5826800 Venturi cleaning system with two adjustable venturi grooves |
| 10/21/1998 | CN2294766Y Channel type turbo-fan duster |
| 10/20/1998 | US5824136 Generating a sound waves to detach the contaminating particles; removing acid mist from dyes, purifying fumes, smokes from furnaces, converters or oil mist from cars |
| 10/15/1998 | WO1998045031A1 Mixing apparatus |
| 10/15/1998 | WO1998044837A1 Suction apparatus with water based filtration device |
| 10/14/1998 | CN2294098Y Cross-flow, gas washing and water film type dust removing and desulfurizing equipment |
| 10/13/1998 | US5820658 Apparatus and method for processing exhaust gas |
| 10/13/1998 | US5820657 Suctioning mixture of air and contaminants into container beneath surface of liquid, percolating mixture through liquid, exhausting clean air through outlet |
| 10/08/1998 | DE19713683A1 Cleaning of flue gases |
| 10/07/1998 | CN2293374Y Dust collecting purifier for chimney |