| 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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| 07/10/1997 | WO1997024515A1 Method and apparatus for cleaning exhaust gas and reducing noise by using high voltage electric field |
| 07/10/1997 | WO1997024172A1 Flue gas scrubbing apparatus |
| 07/10/1997 | WO1997024171A1 Separation module provided with antistatic device |
| 07/10/1997 | DE19624619C1 Off-gas NOx content regulation method |
| 07/10/1997 | DE19607151C1 Regeneration of nitrogen oxide storage catalyst |
| 07/10/1997 | DE19600549A1 Air cleaning reactor vessel |
| 07/10/1997 | DE19600483A1 Odour control during composting |
| 07/10/1997 | DE19546152A1 Environmentally friendly combustion of organic fuel |
| 07/10/1997 | CA2240297A1 Flue gas scrubbing apparatus |
| 07/09/1997 | EP0782880A1 Catalyst-adsorbent for purification of exhaust gases and method for purification of exhaust gases |
| 07/09/1997 | EP0782877A1 Improved liquid distributor for packed columns |
| 07/09/1997 | EP0782541A1 Process for separating hydrogen halides from gases containing sulphur dioxide |
| 07/09/1997 | EP0782472A1 Method for wet cleaning gases to remove gaseous pollutants |
| 07/09/1997 | EP0484495B1 Polyoxometalate intercalated layered double hydroxides |
| 07/08/1997 | US5645808 Catalytic oxidation of volatile carbon compounds |
| 07/08/1997 | US5645807 Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation |
| 07/08/1997 | US5645806 Decomposition of organohalogen compounds in dust-laden-waste gases |
| 07/08/1997 | US5645805 Introducing into flue gas additive derived from chemical reaction of pyrolysis liquor with alkaline earth compound |
| 07/08/1997 | US5645804 Method for cleaning exhaust gas containing nitrogen oxides |
| 07/08/1997 | US5645803 Catalyst means for the catalytic treatment of exhaust gas catalytic converter |
| 07/08/1997 | US5645802 Method and apparatus for the treatment of a waste gas containing dists and chemical contaminants |
| 07/08/1997 | US5645756 Containing water soluble polymers and phosphonates |
| 07/08/1997 | US5645720 Mounting head with by-pass valve for use with cartridge filters |
| 07/08/1997 | US5645626 Multicomponent composite metal membranes |
| 07/08/1997 | US5645616 Black liquor gasifier |
| 07/03/1997 | WO1997023686A1 Process for the conversion of calcium sulfide |
| 07/03/1997 | WO1997023583A1 Removal of halogens wiht caustic clogged inert support |
| 07/03/1997 | WO1997023412A2 Device for removing hydrogen from a gas mixture and its use |
| 07/03/1997 | WO1997023278A1 Engine exhaust treatment apparatus and method of use |
| 07/03/1997 | WO1997023271A1 Filter arrangement |
| 07/03/1997 | WO1997023268A1 Method for the oxidation of liquid or solid pollutants in gas streams |
| 07/03/1997 | DE19644276A1 Oxygen-deficient refractory oxide(s) with good catalytic properties under fluctuating conditions |
| 07/03/1997 | DE19549271A1 Recovery of anaesthetic gas mixture components |
| 07/03/1997 | DE19548974A1 Wet electrostatic gas cleaner |
| 07/03/1997 | CA2243513A1 Method for the oxidation of liquid or solid pollutants in gas streams |
| 07/03/1997 | CA2241138A1 Process for the conversion of calcium sulfide |
| 07/02/1997 | EP0781903A1 Exhaust gas fluidics apparatus |
| 07/02/1997 | EP0781902A1 Exhaust system with a fluidics apparatus diverter body having extensions |
| 07/02/1997 | EP0781601A2 Removal of oil from compressed gas with macroporous polymeric adsorbent |
| 07/02/1997 | EP0781599A2 Method and apparatus for reducing perfluorocompound gases from substrate processing equipment emissions |
| 07/02/1997 | EP0781592A1 Exhaust gas purification method by reduction of nitrogen oxides |
| 07/02/1997 | EP0781591A2 Purifying catalyst for exhaust gas from internal combustion engine |
| 07/02/1997 | EP0781590A1 Exhaust catalyst for purifying exhaust gas emitted from diesel engine |
| 07/02/1997 | EP0781589A1 Method of producing gypsum |
| 07/02/1997 | EP0781588A2 Oxygen concentration or humidity controlling apparatus |
| 07/02/1997 | EP0781162A1 Method and system for extracting a solute from a fluid using dense gas and a porous membrane |
| 07/02/1997 | EP0695345B1 MICROORGANISM OF GENUS $i(BACILLUS CEREUS) AND USE THEREOF |
| 07/02/1997 | EP0613396B1 Electrochemical cell and use thereof in the electrochemical separation or extraction of oxygen |
| 07/02/1997 | CN1153485A Improved entrainment separator for high velocity gases and reheating of scrubber gases |
| 07/02/1997 | CN1153482A Improved wet scrubbing method and apparatus for removing sulfur oxides from combustion effluents |
| 07/02/1997 | CN1153136A Method for selective oxidation of sulphur compounds to elemental sulphur |
| 07/02/1997 | CN1153135A Method and apparatus for producing hydrogen by pressure swing adsorption of ammonolysis gas using carbon molecular sieve |
| 07/02/1997 | CN1153134A Method and apparatus for producing hydrogen by pressure swing adsorption of ammonia relief gas using carbon molecular sieve |
| 07/02/1997 | CN1153078A Multibed pressure swing adsorption apparatus and method for operation thereof |
| 07/02/1997 | CN1153077A Use of base treated alumina in pressure swing adsorption |
| 07/02/1997 | CN1153076A Equipment for gas separation by adsorption |
| 07/02/1997 | CN1035308C Element of mixing apparatus and making of same |
| 07/01/1997 | US5643795 Apparatus for purifying contaminated air |
| 07/01/1997 | US5643548 Drying and separating process and plant |
| 07/01/1997 | US5643545 Catalytic method and device for controlling VOC, CO and halogenated organic emissions |
| 07/01/1997 | US5643544 Oxidizer, heat exchanger, combustin chamber |
| 07/01/1997 | US5643543 Catalyst for treatment of exhaust gases from an internal combustion engine |
| 07/01/1997 | US5643542 Process for simultaneously reducing the amounts of hydrocarbons, carbon monoxide and nitrogen oxides contained in the exhaust gas from an internal combustion engine |
| 07/01/1997 | US5643536 Method and apparatus for metering a reagent into a flowing medium |
| 07/01/1997 | US5643534 Corrosion inhibitor for alkanolamine units |
| 07/01/1997 | US5643484 Electrically heatable honeycomb body with resistance increased by slits |
| 07/01/1997 | US5643436 Architectural material using metal oxide exhibiting photocatalytic activity |
| 07/01/1997 | US5643435 Treatment of substrates with oxygen and electrolytes for semiconductors |
| 07/01/1997 | US5643421 Heat treatment and flashing, vaporization a stripping agent, cooling, condensing and recycling |
| 07/01/1997 | US5643355 Oxygen generating device |
| 07/01/1997 | US5642729 For an aircraft |
| 07/01/1997 | US5642630 Process for solids waste landfill gas treatment and separation of methane and carbon dioxide |
| 06/30/1997 | CA2192514A1 Removal of oil from compressed gas with macroporous polymeric adsorbent |
| 06/26/1997 | WO1997022794A2 A method and apparatus for reducing pollutants and contaminants in exhaust gases of an engine |
| 06/26/1997 | WO1997022552A1 Oxygen scavenging metal-loaded ion-exchange compositions |
| 06/26/1997 | WO1997022469A1 Oxygen scavenging compositions with low migration |
| 06/26/1997 | WO1997022410A1 Imprinted materials |
| 06/26/1997 | WO1997022404A1 Zeolites for the adsorption and oxidation of hydrocarbons in diesel engine exhaust gases |
| 06/26/1997 | WO1997022403A1 Method for cleaning process gases |
| 06/26/1997 | WO1997022402A1 Apparatus and method for recovering volatile liquid |
| 06/26/1997 | WO1997022401A1 Method and apparatus for filtering volatile organic compounds |
| 06/26/1997 | WO1997022386A1 Destruction of halocarbons |
| 06/26/1997 | DE19604082C1 Elimination of toxic organic matter from liquids |
| 06/26/1997 | DE19547883A1 Harmful gas removal from air in safe and economical process |
| 06/26/1997 | DE19547663A1 Odour-free processing of fish residues |
| 06/26/1997 | DE19547646A1 Method of controlling an IC engine |
| 06/26/1997 | DE19547599A1 Wear-resistant monolithic exhaust gas catalyst |
| 06/26/1997 | CA2241110A1 A method and apparatus for reducing pollutants and contaminants in exhaust gases of an engine |
| 06/26/1997 | CA2240110A1 Oxygen scavenging metal-loaded ion-exchange compositions |
| 06/25/1997 | EP0780551A1 Method for detection of performance reduction of exhaust gas purification catalyst |
| 06/25/1997 | EP0780549A1 Exhaust system with a negative flow fluidics apparatus |
| 06/25/1997 | EP0780156A1 Unselective oxidation catalyst and uses thereof |
| 06/25/1997 | EP0780151A1 Method for controlling the oxidation of sulfites in a flue gas desulfurization process |
| 06/25/1997 | EP0780150A2 Apparatus and method for removing voc's from an exhaust gas stream |
| 06/25/1997 | EP0780148A1 Filtration device or membrane device with increasing thickness walls |
| 06/25/1997 | EP0779963A1 System and method for abatement of food cooking fumes |
| 06/25/1997 | EP0779834A1 Reactive composition and method for the purification of a nitric oxide containing gas |
| 06/25/1997 | EP0779833A1 Process for cooling, demonomerizing and dedusting gas from a polymer drier |
| 06/25/1997 | EP0684869B1 Catalyst for use in oxidation |
| 06/25/1997 | CN2256764Y Multifunctional waste gas treater |