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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08/13/1987 | DE3603170A1 Verfahren und vorrichtung zur akustischen gasreinigung Method and device for acoustic gas cleaning |
08/12/1987 | EP0231558A1 Separation apparatus |
08/12/1987 | EP0231543A1 Anti-pollution device for eliminating toxic gases used in the manufacture of semi-conductor materials of group III-V |
08/11/1987 | US4686202 Preparation of catalysts for the detoxification of waste gases |
08/11/1987 | US4686131 Silylated polyphenylene ether membrane for gas separation |
08/11/1987 | US4686093 Molecular sieve compositions with aluminum, phosphorus and at least two other elements |
08/11/1987 | US4686090 Calcium sulfate free |
08/11/1987 | US4686039 Tube sheets positioned in end portions of cylindrical shell with improved adhesion and fluid seal |
08/11/1987 | US4685941 For pneumatic equipment |
08/11/1987 | US4685939 Production of oxygen enriched air |
08/11/1987 | US4685938 Apparatus and method for the determination of sorption bed characteristics |
08/11/1987 | US4685935 Rapid heating for recrystallization |
08/11/1987 | US4685444 Process and equipment for heating a liquid without pollution of the environment |
08/11/1987 | CA1225338A1 N-paraffin-isoparaffin separation process using wash of recycle purge gas |
08/06/1987 | DE3620073C1 Regenerative process for exhaust gas purification |
08/06/1987 | DE3602722A1 Module for bricks containing catalysts |
08/06/1987 | DE3602710A1 Process for regenerating granular carbon-containing adsorbent loaded with sulphuric acid and ammonium sulphates |
08/06/1987 | DE3545079A1 Method for utilising the energy of regeneration steams |
08/05/1987 | EP0231047A2 Apparatus for the drying of humid air |
08/05/1987 | EP0230991A2 Drying cartridge for air drying equipment, especially for pressurized air brake devices for vehicles |
08/05/1987 | EP0230940A2 Air compressor provided with a dehumidification device |
08/05/1987 | EP0230875A1 Apparatus for cleaning breathing air |
08/05/1987 | EP0230701A1 Apparatus for transferring particles from one zone to another |
08/05/1987 | EP0230641A1 Molded catalyst and method of catalyst gas reaction |
08/05/1987 | EP0230601A2 Process for producing a water-permeable skin on water-soluble particulate material |
08/05/1987 | EP0230580A1 Filter |
08/05/1987 | EP0230431A1 Industrial method for fabricating purifiers intended to the production of high-purity gases |
08/05/1987 | CN87100187A Contacting gas and liquid |
08/04/1987 | US4684514 Concurrent condensation of sulfur and water vapors to liquids |
08/04/1987 | US4684510 Chemical filter |
08/04/1987 | US4684381 Chemical filter for use in a cab ventilation system |
08/04/1987 | US4684377 Process for producing oxygen-enriched gas |
08/04/1987 | CA1224911A1 Carbon dioxide hydrocarbons separation process |
07/30/1987 | WO1987004366A1 Installation for fume purification |
07/30/1987 | EP0146534A4 Gas scrubbing method and apparatus. |
07/30/1987 | DE3602352A1 Process for isolating hydrogen |
07/30/1987 | DE3601918A1 Process for the catalytic purification of flue gases |
07/30/1987 | DE3601917A1 Process for the purification of flue gases |
07/30/1987 | DE3601454A1 Process for removing HCl, HF, SO3, SO2 and NOx from combustion exhaust gases by simultaneous wet scrubbing with controlled scrubbing water circulation and specific addition of lime |
07/30/1987 | DE3600270A1 Simultaneous SO2 and NOx separation in the high temperature region and in the simultaneous wet technique region |
07/29/1987 | EP0230193A1 Heating system allowing steam enrichment of combustion air being fed to a heat source |
07/29/1987 | EP0230146A2 Desulphurisation |
07/29/1987 | EP0230139A1 Method for cleaning of a hot flue gas stream from waste incineration |
07/29/1987 | EP0230058A1 Process for removing nitrogen oxides and sulfur oxides from a waste gas |
07/29/1987 | EP0229797A1 Process for the recovery and utilization of sulphur dioxide contained in sulphurous gases, such as flue gases |
07/29/1987 | CN86108433A Polymer/liquid crystal composite semipermeable membranes and process for use thereof |
07/29/1987 | CN86106032A Improved column packing |
07/28/1987 | US4683211 Calcium carbonate reacted with acid to produce carbon dioxide |
07/28/1987 | US4683210 Method for measuring concentrations of CaCO3 and CaSO3 in a slurry |
07/28/1987 | US4683125 Method for purifying an industrial raw material gas and a purifier for use in said method and a method of manufacturing said purifier |
07/28/1987 | US4683076 Hydrogen sulfide, pollution control |
07/28/1987 | US4683010 Compacted wire seal and method of forming same |
07/28/1987 | US4682992 Microbicidal coated beads |
07/28/1987 | US4682991 Pollution control |
07/28/1987 | US4682549 Method and an arrangement for purifying and recovering heat energy from flue gases from refuse incineration |
07/28/1987 | US4682468 Non-catalytic method for reducing the NO emissions of gas turbines |
07/27/1987 | EP0140940A4 Sequenced modular bed carousel dehumidifier. |
07/22/1987 | EP0229587A2 Process for desulphurizing hydrogen sulphide-containing gas and installation for carrying out said process |
07/22/1987 | EP0229407A1 Process for removal of particulates and iron cyanide complex |
07/22/1987 | EP0229373A1 System for solar energy collection and recovery |
07/22/1987 | EP0229352A1 Metallic catalyst body with protection from radiant heat |
07/22/1987 | EP0229261A2 Formed zeolithic object |
07/22/1987 | EP0229229A1 Process for the production of a catalyst for the reduction of nitrogen oxides in exhaust gases |
07/22/1987 | CN86108824A Trying process using chabazite absorbent |
07/22/1987 | CN86106882A Liquid-gas absorbing process for purification waste gas containing benezene etc. |
07/21/1987 | US4681851 Biologically active composition for purifying waste water and outgoing air |
07/21/1987 | US4681746 Method of regulating the amount of reducing agent added during catalytic reduction of NOx contained in flue gases |
07/21/1987 | US4681612 Process for the separation of landfill gas |
07/21/1987 | US4681605 Ethyl cellulose |
07/21/1987 | US4681531 Process and equipment for the thermic conversion of the components of gas currents contaminating the environment |
07/21/1987 | US4681072 Method and apparatus for disposal of toxic wastes by combustion |
07/21/1987 | US4681045 Sodium carbonate adsorbent injected into furnace |
07/21/1987 | US4680938 Air drying system for pneumatic circuits |
07/21/1987 | CA1224406A1 Baffle tray tower |
07/16/1987 | WO1987004233A1 Process, device and chemisorption filter for purifying breathing air |
07/16/1987 | WO1987003506A3 Process for single or multi-phase preferably simultaneous so2 and nox separation from flue gases in a wet process |
07/16/1987 | DE3640119C1 Process for treating a gas stream containing nitrogen oxides |
07/16/1987 | DE3638875A1 Device for dehumidifying air or similar gases |
07/16/1987 | DE3624145C1 Process for removing nitrogen oxides from flue gases |
07/16/1987 | DE3600849A1 Clean water storage vessel for reverse osmosis plant |
07/16/1987 | DE3600462A1 Chemisorption filter package for the elimination of fickle odours, odours in sick rooms and tobacco smoke |
07/15/1987 | EP0228885A2 Use of porous membrane in reaction process |
07/15/1987 | EP0228630A2 Desulphurization process |
07/14/1987 | US4680282 Pollution control catalyst for internal combustion engine exhaust gases and process for producing it |
07/14/1987 | US4680127 Glyoxal |
07/14/1987 | US4680040 Electrostatographic reproducing apparatus |
07/14/1987 | US4680037 Lacunar cobalt complexes for oxygen separation |
07/14/1987 | CA1224171A1 Biologically active composition for purifying waste water and outgoing air |
07/14/1987 | CA1224092A1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
07/14/1987 | CA1224016A1 Oxygen production by molten alkali metal salts using multiple absorption-desorption cycles |
07/14/1987 | CA1224015A1 Flue gas desulfurization |
07/14/1987 | CA1224010A1 Method for oxidation of flue gas desulfurization absorbent and the product produced thereby |
07/09/1987 | DE3600293A1 Process and apparatus for the multi-stage combustion of fossil fuels |
07/09/1987 | DE3600088A1 Process for the acute additive or selective generation for desulphurisation components and denitration components in flue gas purification plants after combustion of fuels or after melting substances |
07/08/1987 | EP0228111A1 Process for the removal of noxious matter from waste gases |
07/08/1987 | EP0227990A1 Process for adsorbing and separating carbon dioxide from gas mixture |
07/08/1987 | EP0227771A1 Method for the treatment of a gas mixture by adsorpton. |
07/08/1987 | EP0227733A1 A distillation apparatus |
07/08/1987 | CN86206949U Smoke-treating equipment for rubber products vulcanizer |
07/08/1987 | CN86108755A Process for purification, in particular desulphurization, of flue gas |