| 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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| 06/09/1987 | US4671807 Pollution control device |
| 06/09/1987 | CA1222702A1 Modular oxygen generator |
| 06/04/1987 | WO1987003338A1 Method and apparatus for disposal of toxic wastes by combustion |
| 06/04/1987 | WO1987003215A1 Method and plant for neutralizing acid smokes issued particularly from the combustion of residues |
| 06/04/1987 | WO1987003214A1 Process for the simultaneous elimination of toxic matter contained in flue gas and reactor for implementing the process |
| 06/04/1987 | DE3641582A1 Absorber unit for the exhaust gas detoxification of diesel engines |
| 06/04/1987 | DE3542599A1 Process and apparatus for eliminating sparingly water-soluble and readily volatile impurities from an exhaust air stream or exhaust gas stream by biological oxidation |
| 06/04/1987 | DE3542145A1 Process for the manufacture of cement |
| 06/04/1987 | DE3542081A1 Removal process and type of storage of plastically deformed hollow bodies for conditioning, cooling and/or drying and storing |
| 06/04/1987 | DE3541824A1 Process for the desulphurization and denitration of flue gases |
| 06/03/1987 | EP0224444A1 Process for manufacturing a partially permeable membrane |
| 06/03/1987 | EP0224348A2 Process for the removal of acid gases from a gas mixture |
| 06/03/1987 | EP0224340A1 Sulphur trioxide absorption tower and process |
| 06/03/1987 | EP0224043A2 Process for reducing the sulfur emission from coal-fired power stations |
| 06/03/1987 | EP0223904A2 Process for purifying an industrial or a flue gas |
| 06/03/1987 | EP0223821A1 Process for chemicals and energy recovery. |
| 06/03/1987 | EP0223803A1 METHOD FOR SIMULTANEOUSLY REMOVING BY WASHING SO 2?, NO x? AND OPTIONALLY OTHER NOXIOUS SUBSTANCES CONTAINED IN FLUE GASES IN HEATING INSTALLATIONS SUPPLIED WITH FOSSILE FUELS |
| 06/02/1987 | US4670304 Process for producing porous ceramic bosy |
| 06/02/1987 | US4670238 Humidification, electrostatic precipitation |
| 06/02/1987 | US4670237 Calcium compound sorbent |
| 06/02/1987 | US4670236 Control of scale in flue gas scrubbers |
| 06/02/1987 | US4670235 P oxidation over moist carbon |
| 06/02/1987 | US4670234 Scrubbing, chelating, reducing |
| 06/02/1987 | US4670226 Louvers which prevent accumulation of dust |
| 06/02/1987 | US4670224 Scrubber for the desulfurization of flue gases |
| 06/02/1987 | US4670221 Apparatus for neutralization of acidic pollutants in flue gases |
| 06/02/1987 | US4670145 Multiple bundle fluid separation apparatus |
| 06/02/1987 | US4670028 Flashing |
| 06/02/1987 | US4669530 Heat exchanger method and apparatus |
| 05/27/1987 | EP0223411A2 Ozone purification system and apparatus |
| 05/27/1987 | EP0223325A1 Improved process for removal of H2S from geothermal steam |
| 05/27/1987 | EP0223299A1 A process for preparing supported catalyst systems |
| 05/27/1987 | EP0223211A2 Sulfur dioxide removal process |
| 05/27/1987 | DE3541705A1 Catalyst compositions made of metal ceramic for reducing oxides of sulphur and nitrogen in gas streams |
| 05/27/1987 | DE3541695A1 Process for eliminating harmful materials downstream of wet quenching in coke quenching towers, with simultaneous water treatment |
| 05/27/1987 | DE3541686A1 Process for the denitration of polluted exhaust gases of a combustion engine |
| 05/27/1987 | DE3541652A1 Process for purifying a gas of organic carbon compounds, and use of the purified gas as a carrier gas |
| 05/27/1987 | DE3541471A1 SO2 and/or SO2 and NOx scrubber with upstream calcium chloride recovery |
| 05/27/1987 | DE3541323A1 SO2 scrubbing downstream of combustion plants with crude gypsum as the end product |
| 05/27/1987 | DE3537993A1 Exhaust emission control device for spark ignition and diesel engines |
| 05/27/1987 | DE3535600C1 Verfahren zur Verminderung des Schadstoffgehaltes von staubhaltigen Rauch- oder Prozessgasen A method for reducing the pollutant content of dust-containing flue or process gases |
| 05/27/1987 | CN86107757A Sulfur dioxide removal process |
| 05/26/1987 | US4668659 Exhaust gas catalyst support of inorganic molding compositions and process for producing the support |
| 05/26/1987 | US4668655 Catalyst composition for catalytic cracking |
| 05/26/1987 | US4668491 Carbonyl sulfide, carbon disulfide, steam, alkalized chromium oxide-aluminum oxide catalyst |
| 05/26/1987 | US4668490 Process and a device for flue gas desulphurization |
| 05/26/1987 | US4668489 Removing sulfur and halogens, coated particles in a filter bed |
| 05/26/1987 | US4668488 Process for the treatment of gases incurred in the manufacture of phosphorus |
| 05/26/1987 | US4668442 Column packing |
| 05/26/1987 | US4668257 Water separator for a gas analyzer |
| 05/26/1987 | US4668255 Adsorption of gases by amine complexed Mn (II) |
| 05/26/1987 | US4668249 Air, circulation, conditioning, cycles |
| 05/26/1987 | CA1222201A1 Gas absorption system |
| 05/26/1987 | CA1222128A1 Enhancement of efficiency of acid gas scrubbing processes |
| 05/26/1987 | CA1222127A1 Process for the separation of volatile chlorine compounds from the exhaust gases resulting from the chlorination of titanium-containing raw materials |
| 05/26/1987 | CA1222126A1 Enrichment of gaseous hydrogen sulfide fractions |
| 05/26/1987 | CA1222123A1 Hydrogen from ammonia |
| 05/21/1987 | WO1987003015A1 Solid state electrochemical pollution control device |
| 05/21/1987 | WO1987002909A1 METHOD OF REMOVING SO2, NOx AND PARTICLES FROM GAS MIXTURES USING STREAMER CORONA |
| 05/21/1987 | DE3540973A1 Simultaneously separating off SO2 and NOx from flue gases which are highly loaded with NOx and HCl |
| 05/21/1987 | DE3537818A1 Apparatus and process for the pollutant-dependent ventilation of vehicle cabins with temperature-dependent cutout of the system at low temperatures |
| 05/20/1987 | EP0222731A2 Pressure swing adsorber for taking up granular adsorbents |
| 05/20/1987 | EP0222651A1 Device to limit the humidity in an enclosure, particularly for use in an electronic component casing |
| 05/20/1987 | EP0222541A2 Bed packing material |
| 05/20/1987 | EP0222497A2 Method of simultaneous oxidation of carbon monoxide and unburned fuel in methanol-fueled vehicle exhaust |
| 05/20/1987 | EP0222417A2 Method using the Peltier effect for heating chemical sorption masses, particularly for industrial safety filters and vehicle filters |
| 05/20/1987 | EP0222355A2 Device for physical and/or chemical treatment of fluids |
| 05/20/1987 | EP0222209A1 Process for the catalytic treating of exhaust gas |
| 05/20/1987 | EP0222158A2 Process for recovery of hydrocarbons |
| 05/20/1987 | EP0222080A2 Supporting frame for catalyst plates |
| 05/20/1987 | EP0222066A2 Apparatus for supporting plates |
| 05/20/1987 | EP0221942A1 Regenerative method for removing mercaptans contained in a gas. |
| 05/19/1987 | US4666882 Method of preparation of catalyst and catalyst prepared by the method for converting nitrogen oxides in exhaust gases |
| 05/19/1987 | US4666852 Photosynthetic bioconversion sulfur removal |
| 05/19/1987 | US4666696 Destruction of nerve gases and other cholinesterase inhibitors by molten metal reduction |
| 05/19/1987 | US4666695 Adding ammonium thiocyanate to increase settling after oxidation |
| 05/19/1987 | US4666694 Method for treating by-products from flue gas |
| 05/19/1987 | US4666690 Method for removing sulfur dioxide from flue gases |
| 05/19/1987 | US4666677 Pollution control device |
| 05/19/1987 | US4666644 Method of making asymmetrical layered structures from polyalkylene sulfone resins |
| 05/19/1987 | US4666478 Alumina and permanganate filtration |
| 05/19/1987 | US4666470 Process for conditioning a gas stream charged with solid particles and/or vapors |
| 05/19/1987 | US4666469 Hollow fiber membrane device with inner wrap |
| 05/19/1987 | US4666468 Gas separations using membranes comprising perfluorinated polymers with pendant ionomeric moieties |
| 05/19/1987 | US4665973 Environmental control system |
| 05/19/1987 | CA1221953A1 Catalyst for purifying nitrogen oxides from exhaust and waste gases |
| 05/19/1987 | CA1221815A1 Off-gas desulfurization process |
| 05/19/1987 | CA1221814A1 Process for the removal of sulfur oxide from a gas |
| 05/14/1987 | DE3539436A1 Dry NOx separation method, preferably for fluidised-bed furnaces |
| 05/13/1987 | EP0221571A2 Process for eliminating solvents for cleaning the air contained in solvent vapours |
| 05/13/1987 | EP0221446A2 Method to cool and dry hot gases containing sulfur oxides with strong sulfuric acid |
| 05/13/1987 | EP0221406A2 Method for producing a supported catalyst |
| 05/13/1987 | EP0221403A2 Process for separating gaseous impurities from smoke and apparatus for this purpose |
| 05/13/1987 | EP0148261B1 Method for lowering the no x? concentration in exhaust gas |
| 05/13/1987 | CN86105412A Step-shaped thermal redaimation and its producing method of gas combined products |
| 05/13/1987 | CN86104274A Removal of hcn, nh3, and cos from synthesis gas |
| 05/12/1987 | US4665234 Severely sterically hindered secondary aminoether alcohols |
| 05/12/1987 | US4665220 Ester from olefin and acid |
| 05/12/1987 | US4665051 Carrier matrix for a catalytic reactor for the purification of exhaust gas |
| 05/12/1987 | US4665050 Thermoplastic resin |