| Patents for B01D 51 - Auxiliary pretreatment of gases or vapours to be cleaned from dispersed particles (1,271) |
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| 05/06/1998 | EP0839567A1 Process and apparatus for separating very fine oxide particles |
| 04/30/1998 | WO1998017373A1 Method and apparatus for removing particles from suspension |
| 04/28/1998 | US5743939 Waste gas processing apparatus and method for semiconductor fabricating equipment |
| 04/01/1998 | EP0831971A1 Method for removing undesired particles from gas |
| 03/26/1998 | WO1998011992A1 Removal of respirable particulate matter from flue gases |
| 03/17/1998 | US5728354 Process and plant for generating nitrogen for heat treatment |
| 01/29/1998 | WO1998003429A1 Barrier discharge so2 to so3 converter |
| 01/27/1998 | US5711788 Dust neutralizing and floculating system |
| 01/08/1998 | DE19625153A1 Gaseous pollutant removal from gas stream |
| 12/18/1997 | WO1997047936A1 Device for cooling hot gasses |
| 12/11/1997 | DE19622976A1 Vorrichtung zur Rauchgaskühlung in Rauchgasreinigungsanlagen Apparatus for flue gas cooling in flue gas cleaning systems |
| 12/09/1997 | US5695731 Process for generating nitrogen for heat treatment |
| 11/06/1997 | WO1997040921A1 Method and device for the agglomeration of particles in a gaseous flow |
| 11/06/1997 | CA2252650A1 Method and device for the agglomeration of particles in a gaseous flow |
| 10/28/1997 | US5681375 Boiler flue gas conditioning system using dilute sulfuric acid injection |
| 10/23/1997 | WO1997027928A3 Device and method for agglomerating and precipitating particles in a gas stream |
| 10/15/1997 | EP0787028A4 Prevention of air pollution by noxious gases and vapours |
| 09/25/1997 | DE19611332A1 Process for conditioning waste gas |
| 08/20/1997 | EP0790071A1 Prevention of shearing of droplets to aerosol sizes |
| 08/07/1997 | WO1997027928A2 Device and method for agglomerating and precipitating particles in a gas stream |
| 08/07/1997 | CA2214960A1 Device and method for agglomerating and precipitating particles in a gas stream |
| 08/06/1997 | EP0787028A1 Prevention of air pollution by noxious gases and vapours |
| 07/17/1997 | DE19601323A1 Waste gas evaporative cooling apparatus for off-gas cooling or treatment in steel industry |
| 06/26/1997 | WO1997022400A1 Method for separating dust from hot process gases |
| 04/09/1997 | EP0711197B1 Machine for separating aerosol particles |
| 04/02/1997 | EP0458955B1 Compact hybrid particulate collector (cohpac) |
| 03/12/1997 | EP0673330B1 An integrated environmental control system for a helicopter |
| 02/11/1997 | US5601625 Process and device for removing heavy metals and compounds containing heavy metals |
| 01/29/1997 | EP0755296A1 The treatment of gas streams |
| 01/15/1997 | EP0753127A1 Method of purifying the exhaust gases from a drying process operating with heated gas |
| 01/15/1997 | CN1140097A Process and plant for generating nitrogen for heat treatment |
| 12/24/1996 | US5586998 Co-current cyclone separation extractor |
| 12/19/1996 | WO1996040436A1 Method for removing undesired particles from gas |
| 12/19/1996 | CA2223999A1 Method for removing undesired particles from gas |
| 12/17/1996 | US5585071 Mixing gas with solids to form suspension, seperating gas from particles in particle separator, returning solids to mixing chamber |
| 12/11/1996 | CN1137417A Spray tower |
| 12/11/1996 | CN1033492C Process for substance exchange between liquid and gaseous media |
| 10/29/1996 | US5569315 Placing individual amounts of molten material on cooling surface to solidify, collecting air containing released vapors in space above surface, causing some material to crystallize out, transporting waste air to cleaner |
| 10/17/1996 | DE19513603A1 Pre-separation treatment for gases contg. ultra-fine particles |
| 10/17/1996 | DE19513602A1 Solid particles and/or fluid droplet sepn. from fluid |
| 10/09/1996 | EP0735912A1 A method for the purification of air or other gases, polluted by powders, fumes, gases, vapours and solvents, also aromatic |
| 09/18/1996 | EP0732303A1 Process and apparatus for the production of nitrogen for thermal treatment |
| 09/17/1996 | CA2171793A1 Nitrogen generation process and plant for thermal processing |
| 08/28/1996 | CN1032665C Process for cleaning gas turbine inlet air |
| 08/01/1996 | DE19601759A1 Exhaust air cleaner for e.g. a tenter frame |
| 07/23/1996 | CA2020208C Process of flue gas conditioning applied to fabric filtration |
| 07/17/1996 | EP0721366A1 Process for removing finely distributed substances from a gaseous current |
| 07/17/1996 | EP0640002B1 Air filter |
| 07/09/1996 | US5534230 Heat recovery; air pollution control |
| 06/25/1996 | CA2066187C Separator for a vacuum cleaner system |
| 05/23/1996 | DE4441193A1 Condensing waste gas using condenser |
| 05/15/1996 | EP0711197A1 Machine for separating aerosol particles |
| 05/09/1996 | WO1996013315A1 A method for the purification of air or other gases, polluted by powders, fumes, gases, vapours and solvents, also aromatic |
| 04/23/1996 | US5510087 Vertically housed spray washer, heat exchanger tubes for cooling flue gas, alkali reagent sprayer, second heat exchanger tubes, and pollution collector; efficiency |
| 04/10/1996 | CN1120319A Pulse combusted acoustic agglomeration apparatus and process |
| 04/09/1996 | US5505906 Pressure vessel; filtration unit |
| 03/06/1996 | EP0699102A1 Treating process gas |
| 02/14/1996 | EP0653955B1 Method of conditioning flue gases |
| 02/01/1996 | DE19527557A1 Cleaning process gases esp. prior to continuous analysis |
| 01/25/1996 | DE4425738A1 Heat exchanger and scrubbing system for flue gas |
| 01/18/1996 | DE4424367A1 Process and appts. to purify flue gas |
| 01/17/1996 | EP0691881A1 Pulse combusted acoustic agglomeration process |
| 01/11/1996 | DE19502529A1 Liquid particles in gas agglomerated in separator by jet using same or similar fluid |
| 01/10/1996 | EP0691156A2 Flue gas treatment |
| 01/10/1996 | EP0691153A1 Flue gas treatment |
| 12/28/1995 | WO1995035147A1 Treatment of contaminants |
| 11/15/1995 | CN1111902A Process and device for purifying the outgoing air from molten mass solidifying plants |
| 11/01/1995 | CN1110929A Instrument for separating suspended particles by utilizing supersonic wave |
| 10/31/1995 | CA1337474C Method for gas-liquid separation and filtration |
| 10/26/1995 | WO1995028219A1 The treatment of gas streams |
| 10/17/1995 | CA1337335C Droplet impingement device |
| 10/12/1995 | DE4412345A1 Waste gas purificn. |
| 10/05/1995 | WO1995026487A1 Method of purifying the exhaust gases from a drying process operating with heated gas |
| 10/05/1995 | DE4410973A1 Removing vapours from a process chamber esp. soldering furnace |
| 10/05/1995 | DE4410694A1 Verfahren zum Reinigen des Abgases aus mit erhitztem Gas arbeitenden Trocknungsverfahren A method for purifying the exhaust gas from working with heated gas drying method |
| 09/27/1995 | EP0673330A1 An integrated environmental control system for a helicopter. |
| 09/26/1995 | US5453115 Process for cooling and cleaning gas, particularly blast furnace or producer gas, containing ultrafine particles, and apparatus for performing the same |
| 09/13/1995 | EP0478730B1 Wet blaster/wet washer |
| 09/07/1995 | DE4406772A1 Process maintains smoke gases at or above dew point after combustion of fossil fuels |
| 09/05/1995 | CA1336861C Method and apparatus for reducing dust accretions while treating gases in a smelting furnace |
| 07/13/1995 | WO1995018664A1 Method and apparatus for pollution control |
| 07/12/1995 | EP0662030A1 Process and device for purifying the outgoing air from molten mass solidifying plants |
| 07/05/1995 | EP0661507A1 Process and apparatus for eliminating heavy metals and heavy metal containing compounds |
| 06/08/1995 | CA2137419A1 Process and device for removing heavy metals and compounds containing heavy metals |
| 06/07/1995 | CN1103478A Method and apparatus for treating hot gases |
| 05/31/1995 | EP0655271A1 Apparatus and process for removing emissions by condensation and precipitation |
| 05/31/1995 | EP0655270A1 Energy efficient apparatus for removing emissions |
| 05/30/1995 | US5419877 Removal of gas borne solids in a thermal treatment process |
| 05/24/1995 | EP0653955A1 Method of conditioning flue gases. |
| 04/25/1995 | US5409514 Air filter |
| 04/06/1995 | WO1995009040A1 Process for removing finely distributed substances from a gaseous current |
| 04/06/1995 | WO1995004900A3 System for treating fumes or polluted air |
| 04/06/1995 | CA2169468A1 Process for removing finely distributed substances from a gaseous current |
| 03/30/1995 | WO1995008383A1 Prevention of air pollution by noxious gases and vapours |
| 03/23/1995 | WO1995007749A1 Acoustic barrier separator |
| 03/23/1995 | CA2171965A1 Acoustic barrier separator |
| 03/01/1995 | EP0640002A1 Air filter. |
| 03/01/1995 | EP0496837B1 Separator for a vacuum cleaner system |
| 02/22/1995 | EP0639104A1 Process and plant for exhaust gas purification and a combination of this exhaust gas purification with that of waste water |
| 02/21/1995 | CA1334542C Method and apparatus for purifying air and water |