Patents for B01D 51 - Auxiliary pretreatment of gases or vapours to be cleaned from dispersed particles (1,271) |
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07/11/1991 | WO1991009663A1 A system and a process for the purification treatment of smokes, dusts and exhaust gases after combustion |
06/18/1991 | US5024681 Flowing flue gases through electrostatic precipitator, retaining charges, then high speed filtration |
06/16/1991 | WO1991008838A1 Compact hybrid particulate collector (cohpac) |
04/16/1991 | US5007180 Method of and an apparatus for the separation of condensable harmful substances |
04/03/1991 | EP0420373A2 Ventless hood for a deep fat fryer |
03/28/1991 | CA2011187A1 Ventless hood for a deep fat fryer |
02/07/1991 | DE3925818A1 Dust removal from zinc baths in hot galvanising unit - uses auxiliary zinc ash dust flow which facilitates dust extn. and when satd. is processed for reuse |
01/29/1991 | US4988372 Purification by filtration gases through hollow filters, aerosols |
01/09/1991 | EP0407287A1 A process of flue gas conditioning applied to fabric filtration |
01/02/1991 | EP0405375A1 Method for reducing the de novo synthesis of dioxins and furans |
12/12/1990 | EP0402032A1 Vertically tiered particle filtering apparatus |
12/12/1990 | CN1047666A Insulating wool production plant of reduced environmental impact |
11/30/1990 | CA2017706A1 Vertically tiered particle filtering apparatus |
11/14/1990 | EP0397224A1 Insulating wool production plant of reduced environmental impact |
11/13/1990 | US4969937 Vertically tiered particle filtering apparatus |
11/09/1990 | CA2012975A1 Insulating wool production plant of reduced environmental impact |
10/10/1990 | CN1045928A Process for purification of waste gases emitted from melting furnace |
10/02/1990 | CA1274788A1 Process for removing solids from a gas containing the same |
09/28/1990 | CA2013264A1 Process for the purification of waste gases emitted from a melting furnace |
09/25/1990 | US4959085 Process and installation for the treatment of a stream of gas containing pyrophoric dust |
09/12/1990 | CN1045231A Method and apparatus for wetting particles contained in gas flow |
08/22/1990 | CN1044769A Supercooling type purifying apparatus of smoke and fume |
07/26/1990 | WO1990007969A1 Filtration apparatus |
07/17/1990 | US4941900 Apparatus and method for gas-liquid separation and filtration |
07/17/1990 | US4941400 Ventless hood for a deep fat fryer |
06/26/1990 | US4936879 Filtration system with apparatus for altering the shape and dimension of particles |
06/05/1990 | US4931073 Process of flue gas conditioning applied to fabric filtration |
05/22/1990 | US4926620 By passing air through opposing water jet streams |
05/08/1990 | US4923488 Apparatus for altering the density of particles |
05/01/1990 | US4921509 Air filtration system for ducted range hoods |
04/24/1990 | US4919696 Supercooling type mist eliminator apparatus |
03/21/1990 | EP0358923A1 Process and apparatus for purifying a raw gas originating from the gasification of solids |
03/13/1990 | US4908058 Method and apparatus for reducing dust accretions while treating gases in a smelting furnace |
02/22/1990 | WO1990001362A1 Filter device |
02/21/1990 | CN1006898B Method for cleaning gas produced from solid carbonaceous material in a twostage gas producer |
02/21/1990 | CN1006850B Sulfur oxide scrubbing process |
02/14/1990 | CN1039641A Process for cleaning gas turbine inlet air |
02/13/1990 | US4900341 Purification system |
02/07/1990 | EP0353903A1 Method for gas-liquid separation and filtration |
02/07/1990 | EP0353679A1 Filtering device |
02/06/1990 | CA1265345A1 Process and device for chilling stream of gas- suspended particles |
01/25/1990 | WO1990000436A1 Process for cleaning gas turbine inlet air |
01/25/1990 | DE3824498A1 Method for removing by suction and separating out dusty and vaporous products |
01/24/1990 | EP0352126A2 An inlet for a high volume particle sampler |
01/16/1990 | CA1264454A1 Method and apparatus for biological treatment of waste gases |
01/10/1990 | EP0350272A1 Process for cleaning gas turbine inlet air and apparatus therefor |
12/26/1989 | US4889544 Cooler-dehumidifier-filter 3-in-one apparatus for treating compressed air |
12/26/1989 | US4888884 Method and plant for cleaning dryer exhaust gases during the drying of wood chips, wood fiber of the like |
12/19/1989 | US4888158 Separating unevaporated drops from hot flue gas stream using modified electrostatic precipitator; removal of sulfur oxides and particles; pollution control |
12/12/1989 | US4886524 Spraying liquid into exhaust gas, passing into dust collector with vacant first chamber; reduced flue length |
12/12/1989 | US4886523 Expansion to high subsonic velocity, recompression by deceleration, inertial separation of particles |
11/07/1989 | US4878925 Apparatus for removing foreign substances in gas |
10/19/1989 | DE3811758A1 Device for separating off pollutants from the exhaust air of carpet production plants |
10/11/1989 | EP0336087A1 Process and installation for the treatment of a flow of gas containing pyrophoric dust |
10/04/1989 | EP0334922A1 Installation for eliminating condensable noxious matter |
09/12/1989 | US4865749 Indoor swimming pool maintenance, cyclone separator, ozone treatment |
09/12/1989 | US4865629 Control of particle size distribution in gas filtration |
09/12/1989 | US4865627 To produce a gas stream that is sufficiently clean to be recycled to compressors or power recovery turbines; fly ash removal from syngas |
09/05/1989 | US4863703 Filtration system with apparatus for altering the temperature of particles |
08/10/1989 | DE3803613A1 Process and apparatus for purifying dusty, organically contaminated exhaust gases of an exhaust gas stream |
07/18/1989 | US4848988 Compressed air dehumidifier |
07/18/1989 | US4848656 Process for the controlled disposal of an aerosol cloud and a device for the implementation of the process. |
07/11/1989 | US4846856 Circulating air scrubber |
06/21/1989 | EP0320625A2 Use of odorous products, especially in vacuum cleaners |
05/31/1989 | EP0318308A2 Vacuum loader and process for removing asbestos and other particulate material |
05/24/1989 | CN1033012A Method and apparatus for separating fine particulates from mixture of fine particulates and gas |
05/16/1989 | US4830638 Filtration system with apparatus for altering the arrangement of electrons in particles |
05/03/1989 | EP0314253A1 Method and apparatus for separating fine particulates from a mixture of fine particulates and gas |
05/03/1989 | EP0314085A1 Air filtration system for ducted range hoods |
05/03/1989 | EP0314072A1 Supercooling type mist eliminator apparatus |
05/03/1989 | DE3800161C1 Combination method for removing dust and acidic gases from flue gases |
04/26/1989 | EP0313060A2 Inverse flow depth filter assembly |
04/25/1989 | CA1253110A1 Fcc closed cyclone process and apparatus |
04/20/1989 | WO1989003499A1 Process and installation for eliminating condensable noxious matter |
04/18/1989 | US4822387 Inverse flow depth filter assembly |
03/21/1989 | US4813978 Process for separating particles and apparatus for carrying out the process |
03/07/1989 | CA1250803A1 Method and plant for cooling gases and removing dust from them |
02/09/1989 | DE3724806A1 Process and apparatus for separating off aerosols |
01/31/1989 | CA1249441A1 Method for cleaning gas produced from solid carbonaceous material in a two-stage gas producer |
01/11/1989 | CN1030177A 净化系统 Purification System |
01/05/1989 | DE3721039A1 Process for purifying exhaust gases |
01/04/1989 | EP0298000A2 Purification system |
01/03/1989 | US4796185 Typewriter having electronic dictionary with efficient storage, for printing any stored information associated with a entered word or entered word |
01/03/1989 | US4795854 Separating effluent from a polymerization reactor, i.e. gaseous ethylene and liquid polyethylene |
12/29/1988 | DE3720527A1 Heat exchanger |
12/14/1988 | EP0295181A1 Method for the desaturation of extracted gas and its application to transport systems under vacuum |
11/30/1988 | EP0292932A1 Process and apparatus for the controlled degradation of an aerosol cloud |
11/17/1988 | EP0291489A1 Process and apparatus for aerodynamic separation of components of a gaseous stream |
11/17/1988 | EP0290931A2 Method and device for the purification of desiccation exhaust gas from drying of wood chips, wood fibers, etc. |
11/09/1988 | EP0289741A2 Method and device of the discharge of fine grained and hot solids |
10/26/1988 | EP0288064A1 Circulating air washer |
10/12/1988 | EP0285612A1 Moisture remover in compressed air system. |
10/12/1988 | EP0221061B1 Method for the separation of water obtained form a coking process into a small high salt content fraction and a large low salt content fraction |
09/15/1988 | DE3706864A1 Device, plant and method for removing pollutants from flue gases |
08/31/1988 | EP0280160A1 Separating device for gaseous fluids |
08/30/1988 | US4767424 Liquid coalescer under centrifugal separator; efficient |
08/23/1988 | US4765803 Oppositely charged clouds converge and are depolarized; conglomeration; dedusting |
07/26/1988 | US4759500 Process for chilling stream of gas-suspended particles |
07/13/1988 | EP0274037A1 Process and device for the separation of particles |
07/06/1988 | EP0273084A1 Method for treating waste liquid in wet exhaust gas treating apparatus |