| Patents for B01D 47 - Separating dispersed particles from gases, air or vapours by liquid as separating agent (12,036) |
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| 07/13/1994 | CN2171835Y Spraying metal enamel dust remover |
| 07/05/1994 | CA1330528C Process for removing volatile organic compounds from gas streams |
| 06/30/1994 | DE4310934C1 Sepn of liquefied solids from hot gas streams, e.g. combustion exhaust |
| 06/29/1994 | EP0603919A1 Process and device for wet purification of gases |
| 06/29/1994 | CN1088470A Filtering method for toxicity of dust |
| 06/24/1994 | CA2104136A1 Process and apparatus for the wet purification of gases |
| 06/22/1994 | EP0602595A1 Vaporizing reactant liquids for CVD |
| 06/22/1994 | EP0456797B1 Process for treating gases |
| 06/22/1994 | CN2169469Y Smoke purifier of coal burning boiler |
| 06/16/1994 | DE4241891A1 Condensate trapping process esp. for flue gas - involves cooling, condensate collection and membrane filtration. |
| 06/15/1994 | EP0601683A1 Apparatus for the treatment of gases in a positive crankcase ventilation system |
| 06/15/1994 | CN2168641Y Water curtain dust extractor |
| 06/14/1994 | US5320524 Gas scrubber for wet process rotary kilns |
| 06/08/1994 | CN2168224Y Electric controlling device device for wet waste-gas purificating system |
| 06/08/1994 | CN2167773Y High-purification water-saving water-bath fume-removing collecting device |
| 06/08/1994 | CN2167771Y Waste gas purifying and dust collector for cupola |
| 06/01/1994 | DE4240524A1 Separator, to remove dust from gas, combined with a ventilator - to minimise complexity and operating costs and is also effective at low power |
| 06/01/1994 | CN2167308Y Air purification device |
| 06/01/1994 | CN2166876Y Wet type dust-removing apparatus |
| 05/19/1994 | DE4238109A1 Method and appts. for sucking off glowing particles and gases - from welding process with recirculation of cleaned water |
| 05/18/1994 | EP0597786A1 Process and device for the treatment of work atmospheres with a cyclonic heat exchanger |
| 05/18/1994 | CN2164899Y Multifunctional duster |
| 05/14/1994 | CA2102934A1 Process and apparatus for pollution control of working areas, using cyclone exchanger |
| 05/11/1994 | CN2164328Y Chemical experiment cupboard |
| 05/11/1994 | CN2164311Y Oil washing type paint fog purifier |
| 05/05/1994 | DE4236640A1 Foam-forming mixt. used in wet cleaning of gases - contains an anionic and/or nonionic cpd. an electrolyte and water. |
| 05/05/1994 | DE4236388A1 Disposal of dust formed in shredding of waste material - where dust is aspirated on forming moistened and collected in sludge container before being removed and disposed |
| 05/04/1994 | CN2164003Y Venturi water bath-wing tube water film dust remover |
| 05/03/1994 | US5308385 Pollution abatement apparatus and method |
| 04/27/1994 | EP0593638A1 Method and apparatus for separating molten particles from a stream of gas |
| 04/27/1994 | CN2162999Y Air cleaner |
| 04/26/1994 | US5306330 Using convergent-divergent nozzle |
| 04/21/1994 | DE4239276A1 Paint spray cabin allowing max. recovery and reuse of aerosol paints - has catcher assembly for non-aerosol particles at air outlet allowing aerosol paint particles to pass by uncontaminated |
| 04/20/1994 | EP0592477A1 Device for cleaning flue gas. |
| 04/20/1994 | CN2162286Y Water-clean dust remover |
| 04/20/1994 | CN1085464A Flue-gas duster and liquid washing purification method |
| 04/14/1994 | DE4234527A1 Recovery system for sprayed low-solvent water-based paint - in which air laden with over:spray passes through circulating deionised water |
| 04/13/1994 | CN2161861Y Air purifying device indoor |
| 04/13/1994 | CN2161364Y Venturi scrubber |
| 04/13/1994 | CN1085121A Wet dusting and desulfurizing process for fume and dusting pool thereof |
| 04/13/1994 | CN1085120A Method and smokestack for condensing and purifying combustion gas |
| 04/13/1994 | CN1085118A Smoke-absorbing, purifying and sterilizing method and device |
| 04/07/1994 | DE4233478A1 Purification of air contaminated with volatile cpds. - passes bubbles of raw air up through scrubber where impurities are e.g. oxidised and washed before being passed through absorbent polymer |
| 04/05/1994 | US5300131 Compact scrubber |
| 03/30/1994 | CN2159826Y Wet compound smoke purifier |
| 03/30/1994 | CN2159825Y Auto exciting venturi tube duster |
| 03/29/1994 | US5298043 Filter system for smoke or polluted air |
| 03/23/1994 | EP0588441A1 Installation for removing dust from a gas |
| 03/22/1994 | US5296018 Method and apparatus for eliminating electric charges in a clean room |
| 03/22/1994 | US5295568 Passenger conveyor and treadboard construction for passenger conveyor |
| 03/17/1994 | WO1994005398A1 Convection towers |
| 03/17/1994 | DE4241726C1 Metallic mercury@ absorption from waste gas on large scale - by scrubbing with aq oxidant soln forming system with specified redox potential after removing mercuric ions and pref acidic cpds |
| 03/17/1994 | DE4229895A1 Hot gas cooling and opt. cleaning - by passage as fine bubbles through liq. bath |
| 03/17/1994 | CA2123229A1 Convection towers |
| 03/09/1994 | CN2158298Y Multi-stage wet method dust remover |
| 03/08/1994 | US5292353 Air scrubber |
| 03/08/1994 | CA1327522C Cleaning gas turbine inlet air |
| 03/03/1994 | DE4228419A1 Purificn. of smoke, industrial waste gas, i.c. engine exhaust gas etc. - to remove dust and opt. radioactive gaseous impurities with water mist in stages under dynamic equilibrium, effective even with high exotherm |
| 02/23/1994 | EP0436666B1 Process for removing volatile organic compounds from air streams |
| 02/23/1994 | CN2156942Y Cyclone draught dust collector |
| 02/23/1994 | CN2156927Y Gas induction dust-collector |
| 02/17/1994 | WO1994003261A1 Method of conditioning flue gases |
| 02/17/1994 | CA2141302A1 A process for the conditioning of flue gases |
| 02/16/1994 | CN2155940Y Flush water bath type dust remover |
| 02/15/1994 | US5286268 Paint mist removing apparatus |
| 02/10/1994 | DE4225739A1 Verfahren zur Konditionierung von Rauchgasen A method for conditioning of flue gases |
| 02/09/1994 | EP0582056A2 Device for purifying exhaust air |
| 02/08/1994 | US5284628 Air pollution control |
| 02/08/1994 | US5284517 Flexible blanket system for treating asbestos containing materials |
| 02/02/1994 | CN2154740Y Sleeve type water membrane duster |
| 02/02/1994 | CN1081392A Vacuum suction deduster for boiler |
| 01/27/1994 | DE4224691A1 Horizontal spray pipe holder for mounting spray pipes in gas scrubber vessel - comprises beam accommodating longitudinally stable and fixable slide with support plate moving in longitudinal direction of spray pipe and socket |
| 01/26/1994 | CN2154119Y Fume, water film filter device |
| 01/26/1994 | CN1081119A Flue discharging, desulphurizing and dust precipitating method for boiler |
| 01/20/1994 | DE4243759C1 Wet scrubbing of gas - by pre-scrubbing and then accelerating gas prior to cyclone sepn. of clean gas |
| 01/18/1994 | US5279646 Venturi scrubber and process |
| 01/12/1994 | EP0577607A1 An active liquid distributor containing packed column. |
| 01/12/1994 | CN2152594Y Multi-effect dusting devulcanizer |
| 01/12/1994 | CN2152592Y Purifier for smoke dust in air and waste gas |
| 01/12/1994 | CN2152591Y Self-bath type water duster |
| 01/12/1994 | CN1080561A 空气净化机 Air Purifier |
| 01/06/1994 | WO1994000224A1 Improved venturi scrubber and method |
| 01/05/1994 | EP0577046A1 Process and device for treatment of pyrotechnic material |
| 01/05/1994 | CN2151804Y Waste gas purifier |
| 01/05/1994 | CN1080235A Corrugated sheet assembly |
| 01/04/1994 | US5275635 Coastal air wash system |
| 12/29/1993 | CN1080022A Process for cleaning gas tubbine inlet air |
| 12/28/1993 | CA1325607C Filter apparatus |
| 12/15/1993 | EP0344283B1 Scrubber |
| 12/15/1993 | CN2149241Y Venturi scrubbers dust remover |
| 12/15/1993 | CN1023130C Method and equipment for quenching and cleansing high-pressure gasified gas |
| 12/08/1993 | CN2148597Y Wet-type, efficient dust collector |
| 12/04/1993 | CA2070320A1 Waste gas-purifying device |
| 11/25/1993 | WO1993023502A1 Device in a reactor for gasifying spent liquor |
| 11/25/1993 | WO1993023501A1 Device in a reactor for gasifying spent liquor |
| 11/25/1993 | WO1993023243A1 Corrugated sheet assembly |
| 11/25/1993 | WO1993023145A1 Filter system for smoke or polluted air |
| 11/25/1993 | CA2136221A1 Filter system for smoke or polluted air |
| 11/25/1993 | CA2133332A1 Device in a reactor for gasifying spent liquor |
| 11/25/1993 | CA2133210A1 Device in a reactor for gasifying spent liquor |