| 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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| 05/11/1989 | DE3835184A1 Platinum-free three-way catalyst |
| 05/11/1989 | DE3835183A1 Rhodium-free three-way catalyst |
| 05/11/1989 | DE3814945A1 Abluftentsorgungsanlage fuer klebstoffanlagen Extract air removal system for adhesive systems |
| 05/11/1989 | DE3736642A1 Method for separating soot from off-gases, involving desulphurisation and catalysis |
| 05/10/1989 | EP0315468A1 Acid gas absorbent composition |
| 05/10/1989 | EP0315402A1 Hydrogen sulfide suppressing catalyst system |
| 05/10/1989 | EP0315309A1 Method and apparatus for producing a controlled atmosphere |
| 05/10/1989 | EP0315048A2 Microporous filter |
| 05/10/1989 | EP0314842A1 Method and composition for utilizing lime-urea hydrates to simultaneously reduce NOx and SOx in combustion effluents |
| 05/10/1989 | EP0314817A1 Selective recovery of carbon dioxide |
| 05/10/1989 | EP0314733A1 Process for manufacturing reactive calcium hydroxide for purifying gases and exhaust gases and process for purifying gases and exhaust gases. |
| 05/10/1989 | EP0197060B1 System for separating liquid droplets from the gas flow inside a vertical pipe |
| 05/10/1989 | CN1032780A Process for removing organochlorine compounds from the offgas from the oxidation of ethylene |
| 05/10/1989 | CN1032749A Rhodium-free three-member catalyst |
| 05/10/1989 | CN1032748A Rhodium-free three-member catalyst |
| 05/10/1989 | CN1032745A Method of inhibiting adhesion of by-product inside duct in treatment of waste gas by electron beam irradiation |
| 05/09/1989 | US4829036 Desorption and reduction of oxides of sulfur and nitrogen |
| 05/09/1989 | US4828810 Removal of low level ethylene oxide contaminants by treatment of contaminated gases with cationic exchange resins at gas-solid interface reaction conditions |
| 05/09/1989 | US4828807 Method for the purification of exhaust gas from diesel motors |
| 05/09/1989 | US4828806 Air pollution control |
| 05/09/1989 | US4828768 Jet scrubber and method of operation |
| 05/09/1989 | US4828589 Filter unit with apparatus for determining the saturation of a drying cartridge |
| 05/09/1989 | US4828585 Surface modified gas separation membranes |
| 05/09/1989 | US4828435 Dispersing particulate material in a stream of gas |
| 05/09/1989 | US4827852 Catalytic wood stove |
| 05/09/1989 | CA1253669A1 Generation of sulphur trioxide from oleum |
| 05/09/1989 | CA1253658A1 Microbicidal coated beads |
| 05/05/1989 | WO1989003720A1 Methods and devices for gas cleaning |
| 05/05/1989 | WO1989003718A1 Gas separation by pressure swing adsorption |
| 05/05/1989 | WO1989002780A3 Multi-stage process for reducing the concentration of pollutants in an effluent |
| 05/03/1989 | EP0314542A1 Process for the purification of silane |
| 05/03/1989 | EP0314482A1 A method of treating an oxidizable organic contaminant in a gas stream |
| 05/03/1989 | EP0314392A1 A catalyst for removing nitrogen oxides |
| 05/03/1989 | EP0314299A2 Method of and apparatus for treating waste gas from semiconductor manufacturing process |
| 05/03/1989 | EP0314295A1 Method of making precious metal oxidation catalysts |
| 05/03/1989 | EP0314072A1 Supercooling type mist eliminator apparatus |
| 05/03/1989 | EP0314058A1 Platinum-free three-way catalyst |
| 05/03/1989 | EP0314057A1 Rhodium-free three-way catalyst |
| 05/03/1989 | EP0314040A1 Method for removing carbon dioxide gas and moisture in a city gas production |
| 05/03/1989 | EP0313989A1 Method of inhibiting adhesion of by-product inside duct in treatment of waste gas by electron beam irradiation |
| 05/03/1989 | EP0313910A2 Process for the separation of the organochlorine compounds from the residual gas of the ethylene oxidation |
| 05/03/1989 | EP0313902A1 Method for separating poisonous, volatile chemical compounds from mixtures of solid particles with a size smaller than 200 microns |
| 05/03/1989 | EP0313755A2 Process for obtaining an arsenic resisent catalyst for eliminating nitrogen oxides from flue gases |
| 05/03/1989 | EP0313658A1 Moisture remover |
| 05/03/1989 | EP0313648A1 Process for nitrogen oxides reduction and minimization of the production of other pollutants. |
| 05/03/1989 | EP0195075B1 Process and device for the selective catalytic removal of nitrogen oxides from the waste gases of furnaces |
| 05/03/1989 | EP0190212B1 Separation of water from organic fluids |
| 05/03/1989 | DE3832416A1 Vorrichtung zur trennung von komponenten von loesungen und gasgemischen und verfahren zur gestaltung dieser vorrichtung An apparatus for separating components of solutions and gas mixtures and method of designing this device, |
| 05/03/1989 | DE3800161C1 Combination method for removing dust and acidic gases from flue gases |
| 05/03/1989 | DE3735717A1 Process for scrubbing out sour gases |
| 05/03/1989 | DE3735245A1 Dry gas purification to remove acidic pollutants such as SO3, SO2, HF, HCl and NOx by means of alkali-impregnated lime/aluminium cement silicates as sorbents |
| 05/03/1989 | CN2037055U Boiler dehumidifying device |
| 05/02/1989 | US4827154 Control system for air cleaner |
| 05/02/1989 | US4826805 For silicon tetrafluoride, boron trichloride present in effluent gases containing an alkali agent, water and a superabsorbent |
| 05/02/1989 | US4826670 Oxygen enriched claus system with sulfuric acid injection |
| 05/02/1989 | US4826665 Removal of aluminum alkyl vapor from gas stream |
| 05/02/1989 | US4826516 Moisture-remover and moisture-removing apparatus |
| 05/02/1989 | US4826510 Portable low profile DC oxygen concentrator |
| 05/02/1989 | US4826497 Fibrous absorbent articles having enhanced deodorizing properties |
| 05/02/1989 | CA1253430A1 Process and apparatus for fractionation of a gaseous mixture |
| 04/27/1989 | DE3834499A1 Method and apparatus for the oxidation of carbon black in diesel engines |
| 04/27/1989 | DE3833476A1 Liquid jet scrubber for treating combustion exhaust gases |
| 04/27/1989 | DE3832177A1 Vorrichtung zum steuern der gasstroeme in druckwechseladsorptionsanlagen Apparatus for controlling the gasstroeme in pressure adsorption |
| 04/27/1989 | DE3832169A1 Vorrichtung zum steuern des druckausgleiches in druckwechseladsorptionsanlagen Apparatus for controlling the pressure balance in pressure adsorption |
| 04/27/1989 | DE3735391A1 Process for removing NOx and, where required, SO2 from exhaust gases |
| 04/27/1989 | DE3731899A1 Process for separating off nitrogen oxides from exhaust gases of furnaces |
| 04/26/1989 | EP0313480A1 Method for the production of silicon carbide with a high specific surface and its use in high-temperature catalytic reactions |
| 04/26/1989 | EP0313434A1 - Method for manufacturing a catalyst for the treatment of the exhaust gases of an internal combustion engine. |
| 04/26/1989 | EP0313115A1 Process for removal of NO from combustion off gases |
| 04/26/1989 | EP0313060A2 Inverse flow depth filter assembly |
| 04/26/1989 | EP0312958A1 Process for microbiological conversion of sulfur containing pollutants in off gases |
| 04/26/1989 | EP0312910A2 Oxygen enriching module and oxygen enriching apparatus using same |
| 04/26/1989 | EP0312743A2 An integrated pressure swing adsorption/membrane separation |
| 04/26/1989 | EP0312642A1 Method for introducing gas into water in superequilibrum quantity, apparatus for carrying out the method and water produced by the method |
| 04/26/1989 | EP0155262B1 Method and device for reheating desulphurated combustion gas |
| 04/26/1989 | CN1032548A Process for the reduction of nitrogen oxides in an effluent |
| 04/26/1989 | CN1032494A Catalytic conversion method for waste gas contained hydrocarbon halohydrocarbon and carbon monoxide |
| 04/26/1989 | CN1032493A Wet desulfurization process for treating flus gas |
| 04/25/1989 | US4824647 Method of removing acid gas pollutants from flue gases |
| 04/25/1989 | US4824646 Removing NOX from cryogenic systems |
| 04/25/1989 | US4824645 Process for selectively removing hydrogen sulfide from a gas stream at high pressure |
| 04/25/1989 | US4824452 Process for desulfurizing CO2 -containing gases |
| 04/25/1989 | US4824447 Membrane, high and low pressure separators in tandem |
| 04/25/1989 | US4824444 Gas permselective composite membrane prepared by plasma polymerization coating techniques |
| 04/25/1989 | US4824443 Highly polar solvent |
| 04/25/1989 | CA1253130A1 Ceramic honeycomb body |
| 04/20/1989 | WO1989003366A1 Vanadium/tungsten catalyst and process |
| 04/20/1989 | WO1989003242A2 Process for the reduction of nitrogen oxides in an effluent |
| 04/20/1989 | DE3804974C1 Method and device for reducing the workplace concentration of room air affected by mercury vapour |
| 04/20/1989 | DE3731882C1 Process and plant for exhaust air purification |
| 04/19/1989 | EP0312516A1 An air purification process |
| 04/19/1989 | EP0312458A2 Method for reducing pressure of highly compressed gases without generation of condensation droplets |
| 04/19/1989 | EP0312457A2 Method of detecting trace amounts of condensible vapors from compressed gas |
| 04/19/1989 | EP0312347A1 Separation of water from hydrocarbons and halogenated hydrocarbons |
| 04/19/1989 | EP0311932A1 Recovery of nitrogen, hydrogen and carbon dioxide from hydrocarbon reformate |
| 04/19/1989 | EP0311903A2 Molten salt hydrate membranes for the separation of gases |
| 04/19/1989 | EP0311812A2 Catalyst and process for making the same |
| 04/19/1989 | EP0311758A1 Apparatus for dosing ammonia in an exhaust gas current |
| 04/18/1989 | US4822948 Self-cooled process for extracting heavy hydrocarbon fractions |
| 04/18/1989 | US4822577 Method for the reduction of sulfur trioxide in an effluent |