| 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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| 05/12/1987 | US4664903 Removal of sulfur compounds from gases |
| 05/12/1987 | US4664902 Recovery of sulfur from a solid sulfur-containing solution of solubilized iron chelate of nitrilotriacetic acid |
| 05/12/1987 | US4664893 Method for the preparation of a bicarbonate sorbent in flue gas desulfurization |
| 05/12/1987 | US4664761 Fuel cells |
| 05/12/1987 | US4664681 Heterogeneous membrane and process for production thereof |
| 05/12/1987 | CA1221674A1 Desulfurizing method for combustion exhaust gases |
| 05/12/1987 | CA1221673A1 Process for the removal of h.sub.2s from a sour h.sub.2s-containing gaseous stream |
| 05/07/1987 | WO1987002696A1 Ammonia treatment plant and method |
| 05/07/1987 | WO1987002654A1 Process for removing sulphur-containing compounds from a residual gas |
| 05/07/1987 | WO1987002653A1 Process for removing sulfur compounds contained in a residual gas |
| 05/07/1987 | WO1987002597A1 Process for selective or simultaneous elimination of noxious substances from smoke gas through irradiation of the smoke gas with electron-beams |
| 05/07/1987 | WO1987002593A1 Method and apparatus using a solid electrolyte in the form of a disk for the separation or pumping of oxygen |
| 05/07/1987 | DE3628108C1 Process for cleaning flue gases |
| 05/07/1987 | DE3539155A1 Inert paraffin hydrocarbon for the absorption of hydrocarbons or mixtures thereof |
| 05/06/1987 | EP0220963A2 Adsorption of gases by amine and phosphine complexed Mn(II) compounds |
| 05/06/1987 | EP0220776A2 Gas treatment process |
| 05/06/1987 | EP0220610A2 Production of sulfur from an oxygen enriched claus system |
| 05/06/1987 | EP0220569A2 Process for separating noxious gases from exhaust gases and apparatus for performing the process |
| 05/06/1987 | EP0220505A2 Filter for exhaust gas purification |
| 05/06/1987 | EP0220468A1 Catalyst support body made of wound or layered sheet metal having a structure with two or more corrugations |
| 05/06/1987 | EP0220416A1 Catalyst for reducing nitrogen oxides |
| 05/06/1987 | CN86107262A Gas treatment process |
| 05/06/1987 | CN85108560A Separating ammonium of circular gas of synthesis by means of dilution of liquid ammonium |
| 05/05/1987 | US4663300 Pollution control catalyst |
| 05/05/1987 | US4663142 Generation of sulphur trioxide from oleum |
| 05/05/1987 | US4663136 Scrubbing |
| 05/05/1987 | US4663135 Conversion of oxides of nitrogen to nitrogen for pollution abatement |
| 05/05/1987 | US4663052 Drying process using chabazite-type adsorbents |
| 05/05/1987 | US4663033 Flow restrictor, purge valves |
| 05/05/1987 | US4662907 A stainless net |
| 05/05/1987 | US4662905 Reaction product of copper salt and an imidazole, pyrazole, triazole, or tetrazole |
| 05/05/1987 | US4662904 Seawater |
| 05/05/1987 | US4662900 Method for biological treatment of waste gases |
| 05/05/1987 | US4662899 Exhaust systems |
| 05/05/1987 | CA1221223A1 Tail gas treating process |
| 04/30/1987 | DE3538231A1 Process for reprocessing waste solutions |
| 04/30/1987 | DE3537949A1 SO2 and NOx gas purification plant having sodium sulphate end product |
| 04/30/1987 | DE3537948A1 Simultaneous SO2 and NOx process for purifying flue gases which have in particular high SO2 loadings |
| 04/30/1987 | DE3537874A1 Process for removing unwanted constituents from flue gases |
| 04/29/1987 | EP0220075A2 Process for removal of pollutants from waste gas emissions |
| 04/29/1987 | EP0219878A2 Gas separation process and membrane |
| 04/29/1987 | EP0219854A2 Catalyst for reduction of nitrogen oxides |
| 04/29/1987 | EP0219600A2 Catalyst for separating nitrogen oxides from flue gases |
| 04/29/1987 | EP0219538A1 Alkaline earth metal, aluminum-containing spinel compositions and methods of using same |
| 04/29/1987 | EP0219521A1 Method and plant of adsorption purification on activated carbon, and corresponding adsorber pot. |
| 04/28/1987 | US4661468 Catalyst for treatment and cleaning of exhaust fumes |
| 04/28/1987 | US4661329 Decomposition of aldehydes using copper-cerium-silver catalyst |
| 04/28/1987 | US4661133 Method for heat and mass exchange operations |
| 04/28/1987 | US4661130 Natural gas |
| 04/28/1987 | US4661128 Thermally insulated tank, heater for regeneration of adsorbent |
| 04/28/1987 | US4661125 Using zeolite molecular sieves |
| 04/28/1987 | US4661124 Delivering oxygen-enriched air in aircraft |
| 04/28/1987 | US4661056 Turbulent incineration of combustible materials supplied in low pressure laminar flow |
| 04/28/1987 | US4660629 Continuously acting adsorption devices and process for their operation |
| 04/28/1987 | CA1221039A1 Exhaust gas treatment method and apparatus |
| 04/28/1987 | CA1221022A1 Non-precipitating regulation of ammonia content in sour gas solvent scrubbing systems |
| 04/23/1987 | WO1987002347A1 Enhanced hydrogen recovery from effluent gas streams |
| 04/23/1987 | WO1987002272A1 A method of purifying exhaust fumes and a means for performing the method |
| 04/23/1987 | WO1987002269A1 Process for simultaneous extraction of so2 and nox contained in waste gases |
| 04/23/1987 | DE3608291A1 Process for the selective or simultaneous separation of pollutants from flue gases by irradiating the flue gases with electron beams |
| 04/23/1987 | DE3537480A1 Process and plant for simultaneous separation of sulphur oxides and nitrogen oxides from flue gases |
| 04/22/1987 | EP0219103A2 Oxidation of carbonaceous material |
| 04/22/1987 | EP0218958A2 Microbiological desulfurization of gases |
| 04/22/1987 | CN86106909A Ozone purification system and apparatus |
| 04/22/1987 | CN86105143A Removing h2s from a sour gaseous stream |
| 04/21/1987 | US4659553 Process for removal of undesirable gaseous components from hot flue gases |
| 04/21/1987 | US4659552 Scavengers for the removal of impurities from arsine and phosphine |
| 04/21/1987 | US4659448 Stabilized metal oxide electrolytes, as yttria stabilized zirconia |
| 04/21/1987 | US4659343 Permselective membranes |
| 04/21/1987 | CA1220774A1 Process for preventing corrosion in alkaline systems |
| 04/21/1987 | CA1220773A1 Mercury adsorbent carbon molecular sieves |
| 04/21/1987 | CA1220729A1 Membrane gas separation processes |
| 04/21/1987 | CA1220616A1 Methods of and apparatus for recovering a constituent of a process effluent |
| 04/21/1987 | CA1220615A1 Process for removing sulfur dioxide from off-gas |
| 04/16/1987 | DE3634377A1 Gas feed and distribution apparatus |
| 04/16/1987 | DE3631010A1 Moulded brick arrangement for a floor covering for composting and for purification of waste water or exhaust gas |
| 04/16/1987 | DE3536899A1 Dry flue gas purification downstream of a fluidised-bed combuster and apparatus for carrying out the process |
| 04/16/1987 | DE3536673A1 Process for drying gases |
| 04/16/1987 | DE3536312A1 Simultaneous separation-off of SO2/NOx in the aqueous phase with production of gypsum and SO2 release in the preliminary scrubbing stage |
| 04/15/1987 | EP0218574A2 Process for purifying gas mixtures |
| 04/15/1987 | EP0218417A1 Structured "WV" packing elements |
| 04/15/1987 | EP0218348A1 Respirators incorporating bonded adsorbant structures |
| 04/15/1987 | EP0218302A2 Process for purifying exhaust gas containing hydrogen sulfide and sulfur dioxide |
| 04/15/1987 | EP0218153A2 Process for eliminating sulfur compounds from gas streams |
| 04/15/1987 | EP0218125A2 Apparatus for eliminating water vapour, solvents and/or obnoxious substances from a gas stream |
| 04/15/1987 | EP0218070A1 Catalyst for the reduction of nitrogen oxides |
| 04/15/1987 | EP0218062A1 Support matrix, particularly for a catalytic reactor for purifying exhaust gases of internal-combustion engines |
| 04/15/1987 | EP0218014A1 Process for manufacturing a moulded catalyst |
| 04/15/1987 | EP0217945A1 Process for the cleansing of fumes |
| 04/14/1987 | US4657880 Ceramics, spinels, polymeric binders; sintering; catalytic converters |
| 04/14/1987 | US4657746 Aqueous slurry including dicalcium ferrite |
| 04/14/1987 | US4657738 Stack gas emissions control system |
| 04/14/1987 | US4657566 Effluent cleansing method and device |
| 04/14/1987 | US4657564 Fluorinated polymeric membranes for gas separation processes |
| 04/14/1987 | US4656972 Dust collector, heat exchanging, mixing with combustion air |
| 04/14/1987 | US4656757 Method and plant for the desiccation of drying gas |
| 04/14/1987 | CA1220433A1 Installation for injecting a powdery material, particularly an adsorbent material, into a contact column |
| 04/14/1987 | CA1220411A1 Cryogenic process for removing acid gases from gas mixtures by means of a solvent |
| 04/09/1987 | WO1987002046A1 Poly(di-substituted acetylene)/polyorganosiloxane graft copolymer and gas separation membrane |
| 04/09/1987 | WO1987002025A1 Reduction of nitrogen- and carbon-based pollutants through the use of urea solutions |