| 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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| 04/30/1997 | CN1148568A Crystalline X-zeolite |
| 04/30/1997 | CN1148566A Zeolite oxygen-adsorption of enriched air By using mixed molecular sieve |
| 04/30/1997 | CN1148517A Device and process for separating gases by adsorption |
| 04/29/1997 | US5625110 Aluminum silicates saturated with palladium salt solutions on supports for treatment of like 1,2-dichloropropane to form propane and hydrogen chloride |
| 04/29/1997 | US5624667 Titanium oxide particles and method of producing same |
| 04/29/1997 | US5624649 Process for reduction of sulfur dioxide emission from combustion gases combined with production of potassium sulfate |
| 04/29/1997 | US5624648 Method and apparatus for cleaning flue gas |
| 04/29/1997 | US5624644 Apparatus for acid gas emission control |
| 04/29/1997 | US5624542 Enhancement of mechanical properties of ceramic membranes and solid electrolytes |
| 04/29/1997 | US5624478 Gas permeable envelope with ethylene absorbing chemicals packaged in airtight container, for controlling ripening of fruits and vegetables |
| 04/29/1997 | US5624477 Low temperature molecular sieves |
| 04/29/1997 | US5624272 Connector having locking mechanism |
| 04/29/1997 | US5623833 System and method for recovering and separating non-condensing gases from a halocarbon composition |
| 04/29/1997 | CA2012039C Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same |
| 04/27/1997 | CA2188988A1 Process and apparatus for the production of hydrogen and energy |
| 04/24/1997 | WO1997014650A1 Ca(OH)2 PARTICLES |
| 04/24/1997 | WO1997014647A1 Process for obtaining hydrochloric acid from flue gases |
| 04/24/1997 | WO1997014499A1 Honeycomb catalyst base |
| 04/24/1997 | DE19539084A1 Lime scrubber for desulphurising esp. flue gases from coal or oil firing |
| 04/24/1997 | DE19538799A1 Wabenförmiger Katalysatorträger The honeycomb catalyst support |
| 04/24/1997 | CA2188489A1 Improved composition and method for acid gas treatment |
| 04/23/1997 | EP0769774A2 Retraction of a disc drive actuator |
| 04/23/1997 | EP0769479A1 Process for cleaning a waste water stream or the like |
| 04/23/1997 | EP0769322A1 Method of cleaning gases with a photocatalyst |
| 04/23/1997 | EP0769321A1 Nitrogen oxide removing catalysts |
| 04/23/1997 | EP0769320A2 Adsorption process and system using multilayer adsorbent beds |
| 04/23/1997 | EP0769319A2 Duplex adsorption process |
| 04/23/1997 | EP0769316A1 Distributor for independently injecting and/or collecting fluids |
| 04/23/1997 | EP0769041A1 Removal of hydrogen sulfide from anaerobic digester gas |
| 04/23/1997 | EP0768980A1 Container for moisture-sensitive material |
| 04/23/1997 | EP0768916A1 Catalyst device |
| 04/23/1997 | EP0740580A4 Desulfurizing a gas stream |
| 04/23/1997 | EP0603197B1 Method and system for controlling chemical reaction in a molten bath |
| 04/23/1997 | EP0569400B2 Honeycomb body with non-uniform electric heating |
| 04/23/1997 | EP0545943B1 Process and plant for separating solid and/or liquid and/or gaseous particles from a gas stream |
| 04/23/1997 | CN1148350A Treatment of waste gas from pressurized fluidized bed reaction system |
| 04/23/1997 | CN1148136A Means for purifying exhaust of internal combustion engine |
| 04/23/1997 | CN1147977A Refined antichlor and method for preparing same |
| 04/23/1997 | CN1147976A Adsorption process |
| 04/23/1997 | CN1147975A Rotating spraying type high efficiency machine for removing sulfur and dust and eleminating smoke |
| 04/22/1997 | US5622681 Dialysis separation of heat stable organic amine salts in an acid gas absorption process |
| 04/22/1997 | US5622680 Post-combustion catalysts |
| 04/22/1997 | US5622632 Contacting with aluminosilicate zeolite to remove ammonia and ammonium ios |
| 04/22/1997 | US5622627 Purification comprising degreasing, filtering out particles and heavy metals |
| 04/22/1997 | US5622544 Air dryer cartridge with filter retainer |
| 04/22/1997 | US5622536 Scrubber for waste gases |
| 04/17/1997 | WO1997013964A1 Process and device for monitoring the operation of a catalyst |
| 04/17/1997 | WO1997013963A1 Device for purifying the exhaust gas of an internal combustion engine |
| 04/17/1997 | WO1997013574A1 Method and device for treating natural gas containing water and condensible hydrocarbons |
| 04/17/1997 | WO1997013573A1 Apparatus for and a method of removing gaseous pollutants |
| 04/17/1997 | WO1997013547A1 Device for treating cardiac arrhythmia by heating or cooling |
| 04/17/1997 | WO1997007876A3 Method and device for decomposing oxides of nitrogen in the exhaust gases from an internal-combustion engine |
| 04/17/1997 | DE19630595A1 Device for removing odours or pollutants from air |
| 04/17/1997 | DE19537971A1 Catalytic reduction of nitrogen oxides in diesel engine exhaust gases |
| 04/17/1997 | DE19537788A1 Verfahren und Vorrichtung zur Überwachung der Funktionsweise eines Katalysators Method and apparatus for monitoring the functioning of a catalyst |
| 04/17/1997 | CA2234586A1 Device for purifying the exhaust gas of an internal combustion engine |
| 04/16/1997 | EP0768365A1 Process for the removal of highly concentrated carbon dioxide from high-pressure natural gas |
| 04/16/1997 | EP0768364A1 Gas refining system |
| 04/16/1997 | EP0768117A1 Carbonaceous adsorbent, process for producing the same, and method and apparatus for gas separation |
| 04/16/1997 | EP0768111A1 Method of modifying a hydrocarbon adsorber and its use |
| 04/16/1997 | EP0768110A1 Catalyst and process for converting nitrogen oxide compounds |
| 04/16/1997 | EP0768109A2 Exhaust gas treatment unit and process |
| 04/16/1997 | EP0768108A1 Boiler flue gas desulfuriser with heat recovery means |
| 04/16/1997 | EP0767701A1 Composite articles for separating mercury from fluids |
| 04/16/1997 | EP0683851B1 Metallic honeycomb structure supported in an inner and an outer casing tube, especially a catalyst support |
| 04/16/1997 | EP0529052B1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 04/16/1997 | EP0482145B1 Catalyst assembly within a column |
| 04/16/1997 | CN2252045Y Double-impeller propeller for suspension water curtain type dust-removing desulfurization device |
| 04/16/1997 | CN1147419A Sorbent compositions |
| 04/16/1997 | CN1147418A Novel sulfonated polymide gas separation membranes |
| 04/16/1997 | CN1147416A Easy-to-regenerate fume desulfurizing and denitrating agent and its prepn and regeneration process |
| 04/16/1997 | CN1147415A Seawater elution process and equipment for industrial fume |
| 04/16/1997 | CN1034556C Solution removal of H2S from gas streams |
| 04/16/1997 | CN1034555C Apparatus for treating absorbent liquid from waste gas desulfuration device |
| 04/15/1997 | US5621270 Electron window for toxic remediation device with a support grid having diverging angle holes |
| 04/15/1997 | US5620940 Process for forming a regenerable supported amine-polyol sorbent |
| 04/15/1997 | US5620673 Process and apparatus for separating polycyclic and polyhalogenated hydrocarbons from exhaust gas of a sintering process |
| 04/15/1997 | US5620672 Layered catalyst composition |
| 04/15/1997 | US5620669 Coherent catalytic filter material of multiple fibers of fibrillated polymer having catalytic particles attached to nodes and fibrils and sheet of microporous membrane mounted on one side, forming barrier isolating particles in fluid |
| 04/15/1997 | US5620668 Heat released during oxidation acts as fuel to reduce required burner output; pollution control |
| 04/15/1997 | US5620667 Recovering gypsum product of calcium compound slurry reacted with sulfur dioxide-containing flue gas with belt filter for slurry dehydration; simplification |
| 04/15/1997 | US5620666 Honeycomb body in casing |
| 04/15/1997 | US5620589 Chemically active vapor/liquid separator |
| 04/15/1997 | US5620506 Activated carbon, production thereof and adsorption using activated carbon |
| 04/15/1997 | US5620504 Pressure swing adsorption apparatus valve activation |
| 04/15/1997 | US5620501 Recovery of trace gases from gas streams |
| 04/15/1997 | US5620500 Dehumidifying method |
| 04/15/1997 | US5620367 Air drying installation for motor vehicles |
| 04/15/1997 | US5620144 Stacked interspacial spray header for FGD wet scrubber |
| 04/15/1997 | US5619937 Sorbent melts for capture of metals from combustion gases |
| 04/15/1997 | US5619853 Exhaust system with a fluidics apparatus diverter body having extensions |
| 04/10/1997 | WO1997013057A1 Electrically heatable honeycombed body subdivided into partial areas with interconnecting webs |
| 04/10/1997 | WO1997013055A2 Process and device for metering the introduction of a reducing agent into the waste gas or air stream of a combustion unit |
| 04/10/1997 | WO1997012842A1 Reduction of hazardous emissions during firing |
| 04/10/1997 | WO1997012672A1 Composite metal oxide adsorbents |
| 04/10/1997 | WO1997012671A1 Heat treated activated carbon for denitration, process for preparing the same, method of denitration using the same, and system of denitration using the same |
| 04/10/1997 | WO1997012663A1 Nitrogen oxides reduction catalyst and process for reducing nitrogen oxides in exhaust gas |
| 04/10/1997 | WO1997012662A1 Waste gas and dust treatment method |
| 04/10/1997 | WO1997012661A2 Process for separating and recovering volatile organic substances |
| 04/10/1997 | WO1997012659A1 A fume-filtration system having a moving bed of stone chippings |