| 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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| 03/19/1992 | WO1992004102A1 Process for the selective removal of inorganic and/or organic sulphur compounds from gases |
| 03/19/1992 | DE4029395A1 Gas-solids fluidised contactor unit - has solids sepn. and controlled solids recycle comprising multiple compartmented bag filter units |
| 03/19/1992 | DE4028984A1 Gas washer process and assembly - used to clean gases with dissolved surfactant |
| 03/19/1992 | DE4028964A1 Removing dioxin(s) and furan cpds. from gas mixts. - by scrubbing with solvent, esp. mono- and/or di-alkyl ether(s) of polyethylene glycol(s) |
| 03/18/1992 | EP0475876A2 Method and mechanism for the supersonic separation of droplets from a gas stream |
| 03/18/1992 | EP0475591A1 Systems for the production of high purity gas |
| 03/18/1992 | EP0475490A1 Improved alumina-ceria catalyst washcoat |
| 03/18/1992 | EP0475487A1 Process for the desulphuration of a gas mixture containing H2S, COS and CO2, and an absorbant solution for that purpose |
| 03/18/1992 | EP0475442A1 Method for decomposition of chlorofluorocarbons |
| 03/18/1992 | EP0475312A2 Process for purification of rare gas |
| 03/18/1992 | EP0475173A1 Process for catalytic decomposition of nitrous oxide, pure or in gaseous mixtures |
| 03/18/1992 | EP0474761A1 Catalyst for heterogeneous catalysis consisting of an alloy of transition metals. |
| 03/18/1992 | EP0474659A1 Two-stage condenser. |
| 03/18/1992 | EP0446295A4 Process and apparatus for the dry removal of polluting material from gas streams |
| 03/18/1992 | EP0440604A4 Devices and method for cleaning gases |
| 03/18/1992 | EP0422054B1 Process for removing hydrosulphide from coke oven gas |
| 03/18/1992 | CN1059479A Gas-solid contacting method |
| 03/17/1992 | US5097531 Apparatus for the oxidation of particles suspended in the air |
| 03/17/1992 | US5096691 Treating a stream with an aqueous solution of a ferric salt of an aminopolycarboxy compound, a buffer and water-soluble hydroxyl-scavenger to form solid sulfur |
| 03/17/1992 | US5096682 Absorption with copper hydrocarbonsulfonate |
| 03/17/1992 | US5096681 Sorbent of vanadium pentoxide and support |
| 03/17/1992 | US5096680 Method for waste gas treatment |
| 03/17/1992 | US5096679 Fluid effect devices for diffusion, dilution, diversion and chemical reaction; air pollution control |
| 03/17/1992 | US5096586 Membranes having selective permeability |
| 03/17/1992 | US5096584 Spiral-wound membrane separation device with feed and permeate/sweep fluid flow control |
| 03/17/1992 | US5096549 Contacting first electrode with first gas to be dehumidified a nd second electrode with second gas containing moisture, apply ing DC voltages of opposite polarities to electrodes, hydrogen ion conductive solid sheet |
| 03/17/1992 | US5096470 Hydrogen and carbon monoxide production by hydrocarbon steam reforming and pressure swing adsorption purification |
| 03/17/1992 | US5096469 Adsorptive gas separator with inertial energy exchange |
| 03/17/1992 | US5096468 Cellulose acetate butyrate gas separation membranes |
| 03/17/1992 | US5096054 Electrochemical method for the removal of nitrogen oxides and sulfur oxides from flue gas and other sources |
| 03/17/1992 | CA1297470C Catalyst and a method for denitrizing nitrogen oxides contained in waste gases |
| 03/17/1992 | CA1297425C Apparatus for filtering fluid medium |
| 03/17/1992 | CA1297298C Oxygen enriching apparatus with means for regulating oxygen concentration of oxygen enriched gas |
| 03/14/1992 | CA2049528A1 The catilytic decomposition of dinitrogen monoxide which is pure or present in gas mixtures |
| 03/13/1992 | WO1992004101A1 Emission control system for fluid compositions having volatile constituents and method thereof |
| 03/13/1992 | CA2067163A1 Emission control system for fluid compositions having volatile constituents and method thereof |
| 03/13/1992 | CA2050407A1 Process of desulfurizing a gas mixture which contains h2s, cos and co2 and scrubbing solution for use in that process |
| 03/12/1992 | DE4027329A1 Catalyst system esp. for removal of nitrogen oxide(s) - by redn. with ammonia, has two catalysts of differing optimal operating temps. |
| 03/11/1992 | EP0474579A2 Procedure and device for the reduction of the content in lead and sulphur compounds in the exhaust gases of endothermic engines |
| 03/11/1992 | EP0474559A1 A catalyst for the removal of gaseous hydrides |
| 03/11/1992 | EP0474535A1 Process for eliminating mercury from steam cracking plants |
| 03/11/1992 | EP0474500A1 Process for treating halogenated hydrocarbon containing-gas |
| 03/11/1992 | EP0474386A2 Method of removing hydrocarbon contaminants from air and water |
| 03/11/1992 | EP0474263A2 Method of modifying a by-product of a waste gas treating process |
| 03/11/1992 | EP0474106A2 Process for making modified carbon molecular sieves for gas separation |
| 03/11/1992 | EP0473850A1 Method of recovering hydrocarbon halide |
| 03/11/1992 | EP0457832A4 Low temperature process for the reduction of nitrogen oxides in an effluent |
| 03/11/1992 | EP0430945B1 Honeycomb structure, in particular catalyst support, composed of a plurality of interlaced bundles of sheet metal |
| 03/11/1992 | CN1059295A Variable pressure adsorption program controlling and operating device |
| 03/11/1992 | CN1059294A Carbon dioxide production from combustion exhaust gases with nitrogen and argon by-product recovery |
| 03/10/1992 | US5094997 Catalytic exhaust systems |
| 03/10/1992 | US5094996 Desulfurization |
| 03/10/1992 | US5094830 Process for removal of water and silicon mu-oxides from chlorosilanes |
| 03/10/1992 | US5094826 Method and arrangement for the denitrification and desulfurization of hot waste gases, particularly from furnaces |
| 03/10/1992 | US5094825 Process for treating waste gases containing clf3 |
| 03/10/1992 | US5094824 Desulfurization |
| 03/10/1992 | US5094821 Exhaust gas cleaning device |
| 03/10/1992 | US5094676 Filter/fan assembly |
| 03/10/1992 | CA1297046C Nitrogen adsorption process |
| 03/10/1992 | CA1297045C Air cleaning system |
| 03/10/1992 | CA1296913C Refrigerant recovery device |
| 03/10/1992 | CA1296867C Process for selectively removing sulfur dioxide |
| 03/10/1992 | CA1296866C H s removal from gas streams |
| 03/10/1992 | CA1296865C Method and system for purifying exhaust gas |
| 03/08/1992 | CA2050881A1 Process for treating halogenated hydrocarbon containing-gas, an apparatus therefor and an agent for decomposing halogenated hydrocarbon |
| 03/07/1992 | WO1992004104A1 Method for removing organochlorine compound from combustion exhaust gas |
| 03/07/1992 | CA2067777A1 Method for removing organic chlorine compounds from combustion waste gas |
| 03/05/1992 | WO1992003534A1 Device for feeding gaseous substances into liquids |
| 03/05/1992 | WO1992003224A1 Process and device for cleaning carbon-containing adsorption agents |
| 03/05/1992 | WO1992003212A1 Process and device for improving the utilization of heat from combustion waste gases containing dust or ash |
| 03/05/1992 | WO1992003211A1 Process and device for complete, dry desulphuration of combustion waste gases containing so2 and dust |
| 03/05/1992 | DE4121625A1 Meter esp. for heating waste gas measurement - has display, controls and microcomputer connection |
| 03/05/1992 | DE4104923A1 Verfahren zum entfernen von staub aus einem gasstrom und entstaubungsanlage A method for removing dust from a gas stream and dedusting |
| 03/05/1992 | DE4027838A1 Arrangement for humidity reduction - in air or gas drier and heat exchanger |
| 03/05/1992 | DE4027819A1 Reducing nitrogen oxide(s) etc. content of fossil fuel flue gas - comprises introducing reducing agent into flue gas stream e.g.ammonia, urea at specified temp. |
| 03/05/1992 | DE4027300A1 Desulphurisation of gases - by scrubbing with nitrogen contg. heterocyclic solvent |
| 03/05/1992 | DE4027298A1 Selective removal of (in)organic sulphur cpds. from gases - by scrubbing with nitrogen-contg. heterocyclic solvent with double-bonded nitrogen or nitrogen-substd. alkyl gp. |
| 03/05/1992 | DE4027297A1 Selective removal of (in)organic sulphur cpds. from gases - by scrubbing with oxaza heterocyclic solvent with double-bonded or substd. nitrogen |
| 03/05/1992 | DE4027251A1 Selective removal of (in)organic sulphur cpds. from gases - by scrubbing with mono:azo heterocyclic solvent with unsatd. nitrogen opt. substd. with N-alkyl and alkyl gps. |
| 03/05/1992 | DE4027250A1 Desulphurisation of gases - by scrubbing with nitrogen- and oxygen-contg. heterocyclic solvent e.g. substd. morpholinone |
| 03/05/1992 | DE4027249A1 Selective removal of (in)organic sulphur cpds. from gases - by scrubbing with diaza heterocyclic solvent with unsatd. and/or substd-alkyl substd. nitrogen, etc. |
| 03/05/1992 | DE4027239A1 Verfahren zur selektiven entfernung anorganischer und/oder organischer schwefelverbindungen A method for the selective removal of inorganic and / or organic sulfur compounds |
| 03/05/1992 | DE4027238A1 Selective removal of (in)organic sulphur cpds. from gases - by scrubbing with nitrogen-contg. heterocyclic solvent with substd. alkyl gps. and/or ketone gps. |
| 03/05/1992 | DE4023540A1 Cleaning sulphur removal plant - using process water or adsorbent followed by process water, to remove gypsum deposits |
| 03/05/1992 | CA2024525A1 Process for removing hydrogen sulfide from a gaseous mixture and producing sulfur therefrom |
| 03/04/1992 | EP0473513A1 Set for air conditioning and production of compressed air for a railway traction unit |
| 03/04/1992 | EP0473396A1 Reinforced catalyst for treatment of waste gas |
| 03/04/1992 | EP0473327A1 Gas stream treatment |
| 03/04/1992 | EP0473093A2 Process for the production of nitrogen from air by membrane separation |
| 03/04/1992 | EP0472799A1 Apparatus for producing a hypoxic gaseous mixture |
| 03/04/1992 | CN1059130A Improved membrane / deoxo control method and system |
| 03/04/1992 | CN1059106A Hollow fiber membrane fluid separation device adapted for boreside feed which contains multiple concentric stages |
| 03/04/1992 | CN1015693B Apparatus for deodorisation |
| 03/03/1992 | US5093303 Catalyst for decomposing gaseous oxide and method of manufacturing the same |
| 03/03/1992 | US5093301 Catalyst and method for its manufacture |
| 03/03/1992 | US5093103 Process for separating off poisonous volatile chemical compounds from a mixture of solid particles having a particle size of up to 200 microns |
| 03/03/1992 | US5093102 Process for the production of high purity hydrogen by catalytic reforming of methanol |
| 03/03/1992 | US5093094 Solution removal of H2 S from gas streams |
| 03/03/1992 | US5092929 Forming calcium carbonate from exhaust gas carbon dioxide and residual calcium oxide |
| 03/03/1992 | US5092912 Pollution abatement method |