| 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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| 11/30/1988 | CN88102873A Composite membranes for enhanced fluid separation |
| 11/30/1988 | CN88100882A Direct absorption purifying method of non-metal compound |
| 11/29/1988 | US4788359 Contacting with active carbon, incineration, removal of hydrochloric acid and chlorine |
| 11/29/1988 | US4788174 Heat resistant catalyst and method of producing the same |
| 11/29/1988 | US4788047 Process for causing the gaseous sulfur compounds of flue gases to react to form solid compounds which can be separated from the flue gases |
| 11/29/1988 | US4787919 Membrane separation system and process |
| 11/29/1988 | US4787417 Rotary pressure/purge valve |
| 11/24/1988 | DE3732567A1 Anstroemboden fuer wanderbettreaktoren sowie verfahren zum betreiben dieser vorrichtung Inflow base for hiking bed reactors and procedures to operate this device |
| 11/23/1988 | EP0292310A2 Process for removing nitrogen oxides |
| 11/23/1988 | EP0292083A2 Method of producing reactive calcium hydroxides for gas and exhaust gas purification, and method of purifying gases and exhaust gases |
| 11/23/1988 | EP0292012A1 Process for reducing the ammonia content of the dust particles set free by combustion plants, and apparatus for carrying out the process |
| 11/23/1988 | EP0291976A1 Process for the production of helium |
| 11/23/1988 | EP0291975A1 Process for helium enrichment |
| 11/23/1988 | EP0291974A2 Process for purifying solvent contaminated off-gas |
| 11/23/1988 | EP0291937A2 Process and apparatus for binding salt-forming compounds to solid materials during the combustion of solid fuels, wasts or the like |
| 11/23/1988 | EP0291857A2 Method of carbon monoxide production |
| 11/23/1988 | EP0291754A2 Process for removal of sulphur from waste gas of a reduction shaft furnace |
| 11/23/1988 | EP0291704A1 Catalytic effective layer of filter material for Dieselsoot-filter |
| 11/23/1988 | EP0291630A2 Process and apparatus for pretreatment of a gas to be analysed |
| 11/23/1988 | CN88200933U Workshop louver discharging acid duster |
| 11/23/1988 | CN88102562A Liquid distributor for packed tower |
| 11/22/1988 | US4786489 Ozone-producing process |
| 11/22/1988 | US4786485 Desulfurization of exhaust gases |
| 11/22/1988 | US4786483 Alkali metal peroxomonosulfate impregnated sorbent for purifying natural gas |
| 11/22/1988 | US4786387 Applying nonuniform electric or magnetic field |
| 11/22/1988 | US4786298 For removing contaminants from gas flow; filter element inside fluid tight walls |
| 11/22/1988 | US4786297 Gas supply and distribution system |
| 11/22/1988 | US4786294 Integrated gas purification and thermal conditioning system utilizing molecular sieve adsorption |
| 11/22/1988 | CA1245209A1 Manufacture of an exhaust gas treating catalyst |
| 11/22/1988 | CA1245179A1 H.sub.2s removal with oxidizing polyvalent metal chelate and electrolytic regeneration thereof |
| 11/22/1988 | CA1245151A1 Splash bar method and apparatus |
| 11/22/1988 | CA1245037A1 Method and apparatus for flue-gas cleaning |
| 11/17/1988 | WO1988008833A1 Cryogenic method for simultaneous selective desulphuration and stripping of a gas mixture consisting mainly of methane and containing also h2s and c2-hydrocarbons and more |
| 11/17/1988 | WO1988008824A1 Process for nitrogen oxides reduction and minimization of the production of other pollutants |
| 11/17/1988 | WO1988008746A1 Feed inlet floor for mobile bed reactors |
| 11/17/1988 | WO1988008742A1 Moisture remover |
| 11/17/1988 | WO1988008741A1 Method and apparatus for treating process gases |
| 11/17/1988 | EP0291489A1 Process and apparatus for aerodynamic separation of components of a gaseous stream |
| 11/17/1988 | EP0291401A1 Cryogenic process for the simultaneous selective desulfurization and degasolination of a gaseous mixture principally consisting of methane and also H2S and C2+ hydrocarbons |
| 11/17/1988 | EP0291225A2 A process for causing gaseous trace element particles to pass form a flowing hot gas into a dust by means of water |
| 11/17/1988 | EP0290973A2 Process for NOx-removal from off-gas streams in contact with a regenerable solid layer |
| 11/17/1988 | EP0290970A2 Process for splitting and enriching a multicomponent gas with several separation chambers |
| 11/17/1988 | EP0290947A1 Catalytic elimination of ammonia from exhaust gases |
| 11/17/1988 | EP0290913A2 Method and apparatus for purifying raw gases while producing synthesis and fuel gas |
| 11/17/1988 | EP0290870A1 Device for the controlled discharge of plane-parallel layers of free-flowing bulk material from the bottom of a packed bed in a circular cylindrical container and use in a moving bed filter |
| 11/17/1988 | EP0290691A1 Fluid separation module |
| 11/17/1988 | DE3715263A1 Process and apparatus for purifying exhaust air |
| 11/16/1988 | CN88102617A Method and apparatus for treating process gases |
| 11/16/1988 | CN88100140A So3 flue gas conditioning system |
| 11/16/1988 | CN87205243U High efficiency sulfur adsorbent for coal stove |
| 11/15/1988 | US4784984 Stainless steel ribbon for use as a catalyst carrier for automobile exhaust gas and catalyst carrier containing the ribbon coiled into a honeycomb |
| 11/15/1988 | US4784880 Barriers, multilayer, fibers |
| 11/15/1988 | US4784838 Reduction of hydrogen sulfide to sulfur, regeneration |
| 11/15/1988 | US4784837 Absorbent for treating gases containing the materials used for semiconductor products and process of treating such gases with the same |
| 11/15/1988 | US4784836 Device for the purification of gas, especially combustion gas |
| 11/15/1988 | US4784835 Unit for filtration and neutralization of sulfurous anhydride contained in smoke from a boiler |
| 11/15/1988 | US4784754 Sulfur removal process |
| 11/15/1988 | US4784673 Desiccant composition for supercritical CO2 |
| 11/15/1988 | US4784672 Flow of hot regeneration gases over adsorbent for desorption |
| 11/15/1988 | CA1244817A1 Filter for removing cancer causing compounds from exhaust fumes |
| 11/15/1988 | CA1244631A1 Mass transfer column |
| 11/15/1988 | CA1244630A1 Process for removal of h.sub.2s from geothermal steam and the conversion to soluble sulfur compounds |
| 11/10/1988 | DE3814603A1 Material und vorrichtung zum zersetzen von ozon Material and apparatus for decomposing ozone |
| 11/10/1988 | DE3814274A1 Process for preparing active sodium carbonate |
| 11/10/1988 | DE3714614A1 Treating and coating dimensionally stable, temperature-insensitive, heat-resistant support materials |
| 11/10/1988 | DE3714016A1 Process for the treatment of scrubbing water from a gas scrubber |
| 11/10/1988 | DE3713779A1 Sealing device for sealing off gaps |
| 11/10/1988 | DE3713683A1 Apparatus for loading a reactor |
| 11/10/1988 | DE3713600A1 Dry gas purification based on sodium with an alkaline support material |
| 11/10/1988 | DE3713395A1 Combustion installation for fuels of high chlorine content |
| 11/09/1988 | EP0290099A2 An inlet valve in a two-tower air drier |
| 11/09/1988 | EP0289950A2 Polyalkyleneoxyamine catalysts for dialkyl disulfides and/or polysulfides used in dissolving sulfur |
| 11/09/1988 | EP0289877A1 Gas separation process |
| 11/09/1988 | EP0289817A1 Honeycomb body for purifying the waste gases of combustion engines |
| 11/09/1988 | EP0289810A1 Process for retention of mercury from flue gases of a combustion unit |
| 11/09/1988 | EP0289809A1 Process for removal of mercury and organic substances from flue gases of a combustion unit |
| 11/09/1988 | EP0289620A1 Composition for acid gas absorbents |
| 11/08/1988 | US4783432 Dryer regeneration through heat of compression and pressure swing desorption |
| 11/08/1988 | US4783327 Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones |
| 11/08/1988 | US4783326 Process for the removal of pollutants from hot gases |
| 11/08/1988 | US4783325 Process and apparatus for removing oxides of nitrogen and sulfur from combustion gases |
| 11/08/1988 | US4783206 For containers of pills, medicinal capsules |
| 11/08/1988 | US4783205 Aircraft on-board gas generating apparatus |
| 11/08/1988 | US4783203 Integrated pressure swing adsorption/membrane separation process |
| 11/08/1988 | US4783201 Gas dehydration membrane apparatus |
| 11/08/1988 | US4782772 Method of directly removing sulfur, with flue dust being returned |
| 11/08/1988 | US4782625 Method of contaminated soil remediation and apparatus therefor |
| 11/08/1988 | CA1244356A1 Continuous rotary regeneration system for a particulate trap |
| 11/08/1988 | CA1244231A1 Reactor of moving bed type |
| 11/08/1988 | CA1244229A1 Removal of hydrogen sulphide from gaseous streams |
| 11/03/1988 | WO1988008325A1 Method and apparatus for removing polycyclic aromatic hydrocarbons from the exhaust of a municipal waste incinerator |
| 11/03/1988 | DE3813452A1 Process for the preparation of trifluoromethylbenzoic acid from hexafluoroxylene |
| 11/03/1988 | DE3809379A1 Method and apparatus for determining the carbonate content of a partially spent limestone suspension |
| 11/03/1988 | DE3713346A1 Process and apparatus for purifying industrial air exhaust air |
| 11/03/1988 | DE3713219A1 Verfahren zur herstellung von schwefelsaeure und anlage zur durchfuehrung des verfahrens Process for the production of sulfuric acid and system for implementing the method |
| 11/03/1988 | DE3712942A1 Nozzle for spraying liquid |
| 11/03/1988 | DE3712875A1 Filter medium for an industrial filter |
| 11/02/1988 | EP0289448A2 Method for removing arsenic compound from combustion gas |
| 11/02/1988 | EP0289446A2 Method for removing a gaseous component from air |
| 11/02/1988 | EP0289201A1 Liquid distributor for packed tower |