| 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) |
|---|
| 04/14/1992 | US5103742 High-tech computerized off-gas combustion treatment and apparatus |
| 04/14/1992 | US5103641 Catalyst arrangement with flow guide body |
| 04/14/1992 | US5103576 Charge/purge control system for air dryer with humidity control |
| 04/14/1992 | CA1298693C Process for causing gaseous trace element particles to pass from a flowing hot gas into a dust by means of water |
| 04/12/1992 | CA2053213A1 Process and equipment for separation by adsorption of at least one gas mixture constituent |
| 04/12/1992 | CA2053189A1 Membrane drying process and system |
| 04/10/1992 | WO1992005862A1 Process for separating oxygen from an oxygen-containing gas by using a bi-containing mixed metal oxide membrane |
| 04/10/1992 | CA2093332A1 Process for separating oxygen from an oxygen-containing gas by using a bi-containing mixed metal oxide membrane |
| 04/10/1992 | CA2052825A1 Catalyst for the reduction of nitrogen oxides from waste gases and a process for its production |
| 04/09/1992 | DE4031771A1 Fluidised bed waste gas cleaning for pollutant removal - esp. for sulphur oxide obtd. from flue gases, by feeding to granulator, spraying reactant and removing prod. |
| 04/09/1992 | DE4031696A1 Removing traces of nickel and iron carbonyls - from hydrogen sulphide-contg. gases by passing gases through active carbon@ |
| 04/08/1992 | EP0479706A1 Procedure and device for the reduction of the carbon monoxide, nitrogen oxides and hidrocarbons contained in the exhaust of endothermic engines |
| 04/08/1992 | EP0479354A1 Nitrided silica |
| 04/08/1992 | EP0479350A1 Process for separating heavy metals and dioxines from combustion waste gases |
| 04/08/1992 | EP0479286A1 Process for purifying exhaust gas containing dioxines and furanes |
| 04/08/1992 | EP0479159A1 Catalyst and a method of preparing the catalyst |
| 04/08/1992 | EP0316377B1 Multiple-stage installation for scrubbing exhaust gases |
| 04/08/1992 | CN1060040A Liquid membrane process for separating gases |
| 04/08/1992 | CN1016166B Removing h2s and co2 from gas mixture containing h2o and co2 |
| 04/07/1992 | US5102854 Adsorbent compositions for the removal of hydrogen sulfide from fluid streams |
| 04/07/1992 | US5102853 Three-way catalyst for automotive emission control |
| 04/07/1992 | US5102850 Catalyst supports having promoter oxide gradient, resulting catalyst and method of making the supports |
| 04/07/1992 | US5102673 A mixture of boron, alkaline substance and activated carbon; packages for food, metallic or electronic product |
| 04/07/1992 | US5102643 Ultra-large porosity; used as absorbent and in catalytic conversion of organic compounds |
| 04/07/1992 | US5102638 Washing exhaust gas in a single stage absorption zone with a circulating, reusable aqueous solution containing sodium bicarbonate and sodium bisulfite |
| 04/07/1992 | US5102636 Method of operation of a dry type simultaneous desulfurization and dedusting apparatus |
| 04/07/1992 | US5102635 Method for improving the long-term stability of H2 S absorption-oxidation process solutions |
| 04/07/1992 | US5102634 Method for purifying exhaust gas and apparatus |
| 04/07/1992 | US5102433 Process of purifying exhaust gases |
| 04/07/1992 | US5102432 Third stage permeate recycled to second stage; membrane surface area distributed between stages; high purity product |
| 04/07/1992 | CA1298457C Process for the removal of acid gases from gas mixtures |
| 04/06/1992 | WO1992005860A1 Composite gas filtering unit |
| 04/06/1992 | CA2072625A1 Composite gas filtering unit |
| 04/06/1992 | CA2027048A1 Demister candle assembly |
| 04/02/1992 | WO1992005119A1 Adiabatic process for the extraction of aqueous wastes |
| 04/02/1992 | WO1992004968A1 Catalytic decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions |
| 04/02/1992 | WO1992004967A1 Reduction of nitrogen oxide and carbon monoxide in effluent gases |
| 04/02/1992 | WO1992004966A1 Surface stabilized sources of isocyanic acid |
| 04/02/1992 | WO1992004965A1 Supported platinum group metal catalysts |
| 04/02/1992 | WO1992004964A1 Reduction of nitrogen oxide in effluent gases using formaldehyde |
| 04/02/1992 | WO1992004963A1 Conversion of formaldehyde and nitrogen to a gaseous product and use of gaseous product in reduction of nitrogen oxide in effluent gases |
| 04/02/1992 | WO1992004962A1 PROCESS AND APPARATUS FOR REMOVING NOx FROM GAS STREAMS |
| 04/02/1992 | DE4130837A1 Removing solvents etc. from gases, liq(s). or solids - using polystyrene foam opt. held in gas-permeable bag |
| 04/02/1992 | DE4129700A1 Prodn. method for exchanger component - uses plastics plate to which inorganic adsorber particles with micro-pores are adhered |
| 04/02/1992 | DE4031042A1 PLug flow catalytic oxidn. reactor with automatic temp. regulation - has sinter matrix heat-pipe elements, and is useful for hydrocarbon oxidn. |
| 04/01/1992 | EP0478203A1 Air scrubber for organic solvent removal |
| 04/01/1992 | EP0477813A1 Method of removing pollutants in the form of gases, vapours or aerosols from a gaseous effluent |
| 04/01/1992 | EP0477481A2 Air supply entry filter for a heating or air conditioning installation in a motor vehicle |
| 04/01/1992 | EP0477343A1 Active composite and its use as reaction medium. |
| 04/01/1992 | EP0477267A1 Process for removing ionizable impurities from non-aqueous fluids |
| 04/01/1992 | EP0477181A1 Super-equilibrium desulfurization of sulfur containing products of combustion |
| 03/31/1992 | US5100643 Calcium silicate absorption |
| 03/31/1992 | US5100636 Method for the preparation of crystalline and zeolitic aluminosilicates |
| 03/31/1992 | US5100635 Multistage, oxidation, reduction, cryogenic distillation, purification |
| 03/31/1992 | US5100634 Scrubbing with ammonium sulfite to remove sulfur oxides, reacting nitrogen oxides with ferrous EDTA chelate |
| 03/31/1992 | US5100633 Reacting with ash |
| 03/31/1992 | US5100632 Catalyzed diesel exhaust particulate filter |
| 03/31/1992 | US5100447 Pressure swing adsorption system |
| 03/31/1992 | US5100446 Crude neon production system |
| 03/31/1992 | US5100351 Exhaust gas cleaning device for outboard motor |
| 03/31/1992 | CA1298271C Bimetallic catalyst |
| 03/31/1992 | CA1298268C Catalyst for purifying motor vehicle exhaust gases and process for production thereof |
| 03/31/1992 | CA1298065C Processing nitrogen-rich, hydrogen-rich, and olefin- rich gases with physical solvents |
| 03/30/1992 | CA2052395A1 Catalyst and a method of preparing the catalyst |
| 03/26/1992 | DE4131811A1 Amalgam-forming metal filter device - for mercury@ vapour removal esp. from air |
| 03/26/1992 | DE4130113A1 Catalyst arrangement with single-sided gas guidance diffusor assembly - to concentrate gases when assembly is cold and diffuse gases when hot, esp. for IC engines |
| 03/26/1992 | DE4030102A1 Closed circuit fumigation process - esp. for insecticidal treatment of e.g. flour mills and grain silos |
| 03/25/1992 | EP0477129A1 Integrated condenser and trace contaminant scrubber |
| 03/25/1992 | EP0476727A1 Process for avoiding the formation of high condensated aromatic hydrocarbons and of dioxines in combustion plants |
| 03/25/1992 | EP0476724A2 Refrigerator with apparatus for removing unpleasant odours |
| 03/25/1992 | EP0476656A2 Integrated processes for the production of carbon monoxide |
| 03/25/1992 | EP0476449A2 Method and apparatus for drying natural gas and for the recycling of the water solvent used for this |
| 03/25/1992 | EP0476370A2 Process for the separation of water from mixtures containing water and alcohols and/or carboxylic acids and/or carboxylic acid esters |
| 03/25/1992 | EP0476312A1 Process for production of chlorosilicates |
| 03/25/1992 | EP0476300A1 Process and device for adsorption or chemisorption of gaseous components of a gas stream |
| 03/25/1992 | EP0476135A1 Selective adsorbent for ammonuim ion and ammonia and preparation thereof |
| 03/25/1992 | EP0476115A1 Process to separate dioxygen from a gas mixture |
| 03/25/1992 | EP0476079A1 Method for cleaning and recovering metal mercury from roasting gases containing it |
| 03/25/1992 | EP0322424B1 Process for composting organic material and device for carrying out this process |
| 03/25/1992 | CN2099608U Spray-dedusting desulphurizing purifier with high dust concentration impact |
| 03/25/1992 | CN2099607U Varying-pressure adsorptive program-controlled operation device |
| 03/25/1992 | CN1059672A Oxygen-separating porous membranes |
| 03/25/1992 | CN1059671A Method and apparatus for reduce contents of nitrogen oxides in combustion effluent gas |
| 03/25/1992 | CN1059670A Smoke-eliminating and dust removing device and method thereof |
| 03/25/1992 | CN1015964B Catalyst for reduction of oxides of nitrogen |
| 03/24/1992 | US5098880 Forming carbon on a molecular sieve support to use as an adsorbent for gases such as nitrogen and oxygen |
| 03/24/1992 | US5098763 Honeycomb structure |
| 03/24/1992 | US5098684 Inorganic oxides as an absorbent and for catalytic conversion of inorganic and organic compounds |
| 03/24/1992 | US5098681 Piperaznes having carbonyl groups |
| 03/24/1992 | US5098680 Purification of effluents from combustion by vaporization of ammonia |
| 03/24/1992 | US5098670 Filter and gas mixing device for use in heating or incineration plants |
| 03/24/1992 | US5098615 Multiple-downcomer contacting tray with fluid directing baffles |
| 03/24/1992 | US5097665 Flattened profile diesel engine exhaust oxidizer |
| 03/24/1992 | CA1297781C Hydrocarbon recovery from fuel gas |
| 03/24/1992 | CA1297659C Sulfur recovery process using metal oxide absorbent with regenerator recycle to claus catalytic reactor |
| 03/21/1992 | CA2051075A1 Integrated processes for the production of carbon monoxide |
| 03/21/1992 | CA2050118A1 Filter |
| 03/19/1992 | WO1992004614A1 Process for determining the concentration of substances, device for implementing the process, use of the process for changing the concentration of a substance contained in the fluid and plant therefor |
| 03/19/1992 | WO1992004109A1 Gas separation membrane with ultrathin layer |
| 03/19/1992 | WO1992004103A1 Process for removing oxides of nitrogen from flue gases |