| Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933) |
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| 01/22/1997 | EP0705221A4 Method and apparatus for photochemically oxidizing gaseous organic compounds |
| 01/22/1997 | EP0677141B1 Catalytic converter |
| 01/22/1997 | EP0674601B1 Process for improving the brightness of raw gypsum |
| 01/22/1997 | EP0627957B1 Process for purification of drinking water or waste water and/or gas |
| 01/22/1997 | CN2245485Y Boiler coal saver with dust removing function |
| 01/21/1997 | US5595954 Method for making an HCL adsorbent |
| 01/21/1997 | US5595949 Scrubber system for removing carbon dioxide from a metal-air or fuel cell battery |
| 01/21/1997 | US5595910 Decontamination filters with stackable trays with gas inlets |
| 01/21/1997 | US5595813 Antimold, durability |
| 01/21/1997 | US5595713 Purification of flue gas to prevent air pollution by forming acids |
| 01/21/1997 | US5595649 Particle-loaded nonwoven fibrous article for separations and purifications |
| 01/21/1997 | US5595588 Air dryer cartridge mounting system |
| 01/21/1997 | US5595586 Method for recovery of volatile organic compounds |
| 01/21/1997 | US5595238 Rotatably supported regenerative fluid treatment wheel assemblies |
| 01/16/1997 | WO1997001697A1 Exhaust emission control device for diesel engines |
| 01/16/1997 | WO1997001511A1 Improved method for increasing the production capacity of sulfuric acid plants and processes |
| 01/16/1997 | WO1997001473A1 Device for the time-dependent control of the duration of regeneration of an air drier |
| 01/16/1997 | WO1997001388A1 Flue-gas treatment system |
| 01/16/1997 | WO1997001387A1 Catalytic purification process and device for exhaust gas from a combustion system |
| 01/16/1997 | WO1997001386A1 A method and apparatus for purifying a gaseous mixture including molecules and/or cells of toxic or polluting substances |
| 01/16/1997 | CA2225457A1 A method and apparatus for purifying a gaseous mixture including molecules and/or cells of toxic or polluting substances |
| 01/15/1997 | EP0753650A1 Exhaust gas purification apparatus |
| 01/15/1997 | EP0753345A2 Entirely metallic manganese-containing oxidation catalyst |
| 01/15/1997 | EP0753335A2 Process and apparatus for reducing the pollution level of exhaust gases from cement manufacturing |
| 01/15/1997 | EP0753334A1 Pressure swing adsorption process and system with segregated product storage tank |
| 01/15/1997 | EP0753127A1 Method of purifying the exhaust gases from a drying process operating with heated gas |
| 01/15/1997 | EP0753084A1 Electrolytic apparatus |
| 01/15/1997 | EP0752974A1 Method and devices for reducing emissions from storage-tank breather lines |
| 01/15/1997 | EP0752964A1 Moisture-absorbing device |
| 01/15/1997 | EP0752910A1 Method for removing sulphur dioxide from a gas |
| 01/15/1997 | EP0752909A1 Permeation and biological treatment of waste gas |
| 01/15/1997 | EP0752908A1 Canister with porous plastic ends |
| 01/15/1997 | EP0724474A4 Catalytic method |
| 01/15/1997 | EP0640058B1 Method for removing hydrogen sulphide from a gas and recovering in the form of sulphur |
| 01/15/1997 | EP0487750B1 Method for making aggregate for construction material from infectious medical wastes |
| 01/15/1997 | CN2244959Y Device for cleaning smoke with water to removing toxic and corrosion dust |
| 01/15/1997 | CN1140481A Exhaust gas purification apparatus |
| 01/15/1997 | CN1140421A Apparatus for processing at least one fluid, use thereof for processing air flow, and method for loading masses of particulate material into said apparatus |
| 01/15/1997 | CN1140418A Serial flow pressure swing adsorption process for gas separation |
| 01/15/1997 | CN1140102A Catalyst for purifying automotive tail gas |
| 01/15/1997 | CN1033801C Purification of 1,1,1,2-tetrafluoroethane |
| 01/14/1997 | US5593933 Refractory oxides based silver-tungsten lean-NOx catalyst |
| 01/14/1997 | US5593652 Method for increasing the production capacity of sulfuric acid plants and processes |
| 01/14/1997 | US5593651 Absorption of gaseous effluents in ammonium, alkali metal or alkaline earth metal sulfites and bisulfites |
| 01/14/1997 | US5593647 For controlling vehicle emissions |
| 01/14/1997 | US5593645 Containing two packets of sheet metals each bounding a group of passages; automobile |
| 01/14/1997 | US5593594 Ter material and process for removing ozone from gases and liquids |
| 01/14/1997 | US5593482 Adsorbent assembly for removing gaseous contaminants |
| 01/14/1997 | US5593480 Apparatus for the oxygen enrichment of air |
| 01/14/1997 | US5593478 Fluid fractionator |
| 01/14/1997 | US5593477 Gas and odor absorber |
| 01/14/1997 | US5593475 For adsorption of gas contaminants from air stream: flowing air in first zone parallel with axis of zone to dry gas, then flowing dry gas through radial bed of particulate material to adsorb carbon dioxide |
| 01/14/1997 | US5593469 Exhaust gas scrubber |
| 01/14/1997 | US5592933 Hygroscopic cartridge particularly for filters for medical use |
| 01/14/1997 | US5592754 Air compressor system |
| 01/14/1997 | CA2063731C Polyoxometalate intercalated layered double hydroxides |
| 01/09/1997 | WO1997000829A1 Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate |
| 01/09/1997 | WO1997000724A1 Sorptive articles |
| 01/09/1997 | WO1997000718A1 Vapour recovery process and unit |
| 01/09/1997 | WO1997000717A1 Filter and method for making a filter |
| 01/09/1997 | CA2221872A1 Filter and method for making a filter |
| 01/08/1997 | EP0752365A1 Device for the disposal of CO2 from submarines |
| 01/08/1997 | EP0752265A1 Dehumidifier system using membrane cartridge |
| 01/08/1997 | EP0752264A2 Flue gas purifier |
| 01/08/1997 | EP0751820A1 Combined feed and mixing installation |
| 01/08/1997 | EP0751816A1 Treating exhaust gas from a pressurized fluidized bed reaction system |
| 01/08/1997 | EP0751815A1 Method for gas absorption across a membrane |
| 01/08/1997 | EP0682765B1 Combined combustion and exhaust gas cleansing plant |
| 01/08/1997 | CN2244434Y Redusting device for smoke and dust of boiler |
| 01/08/1997 | CN1139588A Method for treating waste gas containing arsenic and arsenic compound |
| 01/08/1997 | CN1139587A Purifying method for inactive gas recovered from solid condensation reactor of Paraprex |
| 01/08/1997 | CN1139586A Dynamic washing controlled pressure-change absorption method |
| 01/08/1997 | CN1033741C Gas separation process |
| 01/07/1997 | US5591905 Deterioration detecting apparatus for catalytic converter |
| 01/07/1997 | US5591691 Suitable for catalytic devices for combustion engine emission control |
| 01/07/1997 | US5591419 Oxidation-reduction process |
| 01/07/1997 | US5591417 Combustion, oxidation, adsorption, reduction, regeneration |
| 01/07/1997 | US5591414 Sorptive catalyst for the sorptive and oxidative cleaning of exhaust gases from diesel engines |
| 01/07/1997 | US5591315 Solid-component membranes electrochemical reactor components electrochemical reactors use of membranes reactor components and reactor for oxidation reactions |
| 01/07/1997 | US5591254 Vapor recovery system with automatic valve control |
| 01/07/1997 | US5591250 Material and process for separating carbon dioxide from methane |
| 01/07/1997 | US5590707 Heat exchanger |
| 01/07/1997 | US5590519 Combined combustion and exhaust gas cleansing plant |
| 01/03/1997 | WO1997000376A1 A METHOD FOR TREATING AN EXHAUST GAS STREAM FOR THE REMOVAL OF NOx |
| 01/03/1997 | WO1997000226A1 Method and device for processing a hydrogen sulphide-containing gas, comprising a cooling step for crystallised sulphur removal |
| 01/03/1997 | WO1997000119A1 Diesel engine exhaust gas catalyst and method of use |
| 01/03/1997 | WO1997000118A1 Vapor recovery system with cyclonic separator |
| 01/03/1997 | WO1997000117A1 Device and method for purifying a gas or vapour flow |
| 01/03/1997 | CA2224250A1 Diesel engine exhaust gas catalyst and method of use |
| 01/02/1997 | EP0751353A2 Filter screen |
| 01/02/1997 | EP0750939A2 Novel sulfonated polyimide gas separation membranes |
| 01/02/1997 | EP0750935A1 Process for cleaning process waste gases |
| 01/02/1997 | EP0750934A2 VSA adsorption process |
| 01/02/1997 | EP0750933A1 Process and apparatus for the preparation of a substantially purified flux of at least one of the impurities chosen between oxygen and carbon monoxide |
| 01/02/1997 | EP0750930A1 Process and apparatus for dedusting a stream of crude gas and/or for sorbing gaseous compounds from the crude gas stream |
| 01/02/1997 | EP0750784A1 Method and plant for cleaning lightly radioactive waste incineration gases |
| 01/02/1997 | EP0750524A1 Absorbents |
| 01/02/1997 | EP0630289B1 Catalytic post-combustion of exhaust gases containing carbon monoxide and/or oxidisable organic compounds |
| 01/02/1997 | EP0540756B1 A PROCESS FOR REMOVAL OF SO 2? AND NO x? FROM COMBUSTION FLUE GASES AND AN APPARATUS USED THEREFOR |
| 01/02/1997 | DE19621752A1 Electrolytic cell having solid polymer electrolyte de-humidifiers e.g. to prevent condensation |