| 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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| 04/10/1997 | WO1997012653A2 Process for operating a catalytic converter in one or several parts, in particular for purifying smoke gas, and catalytic converter for implementing said process |
| 04/10/1997 | DE19536591A1 Verfahren zum Abtrennen und Rückgewinnung flüchtiger organischer Substanzen A method for separating and recovering volatile organic substances |
| 04/10/1997 | DE19536571A1 Verfahren sowie Vorrichtung zur Dosierung der Eingabe eines Reduktionsmittels in den Abgas- oder Abluftstrom einer Verbrennungsanlage A method and apparatus for metering the input of a reducing agent in the exhaust gas or exhaust-air stream of a combustion system |
| 04/10/1997 | DE19536444A1 Verfahren zum Betrieb einer Katalysatoranrodnung in ein- oder mehrteiliger Ausbildung, insbesondere für den Einsatz in Rauchgasreinigungsverfahren sowie Katalysatoranordnung zur Durchführung des Verfahrens Method for operating a Katalysatoranrodnung in single or multi-part training, especially for use in flue gas cleaning process and catalyst arrangement for carrying out the method |
| 04/10/1997 | DE19535475C1 Sulphur di:oxide removal from exhaust gas with sea water without odour emission |
| 04/10/1997 | CA2233638A1 A fume-filtration system having a moving bed of stone chippings |
| 04/10/1997 | CA2208142A1 Waste gas and dust treatment method |
| 04/10/1997 | CA2207007A1 Nitrogen oxides reduction catalyst and process for reducing nitrogen oxides in exhaust gas |
| 04/09/1997 | EP0767349A2 The use of nitrogen from an air separation plant in carbon dioxide removal from a feed gas to a further process |
| 04/09/1997 | EP0767255A1 Gas-permselective pneumatic pump and incubator using the same |
| 04/09/1997 | EP0767137A1 Removal of hydrogen cyanide from synthesis gas |
| 04/09/1997 | EP0767002A1 Adsorbents for ozone recovery from gas mixtures |
| 04/09/1997 | EP0766994A1 System for exhaust gas purification |
| 04/09/1997 | EP0766993A2 Filter for purifying exhaust gases |
| 04/09/1997 | EP0766992A1 Nitrogen oxides reduction catalyst and process for reducing nitrogen oxides in exhaust gas |
| 04/09/1997 | EP0766991A1 The use of base treated alumina in pressure swing adsorption |
| 04/09/1997 | EP0766990A1 Multibed pressure swing adsorption apparatus and a method for the operation thereof |
| 04/09/1997 | EP0766989A1 Purification of gases using solid adsorbents |
| 04/09/1997 | EP0766986A1 Process for the desalination of solvents for gas scrubbing derived from glycol |
| 04/09/1997 | EP0766752A1 Oxygen supply and removal apparatus |
| 04/09/1997 | EP0766650A1 Anaerobic removal of sulphur compounds from waste water |
| 04/09/1997 | EP0766598A1 Improved entrainment separator for high velocity gases and reheating of scrubber gases |
| 04/09/1997 | EP0766594A2 Mass transfer method and apparatus |
| 04/09/1997 | EP0766591A1 Method and device for removing sulphur dioxide from a gas |
| 04/09/1997 | EP0766590A1 Absorption dryer |
| 04/09/1997 | EP0766589A1 High-efficiency metal membrane getter element and process for making |
| 04/09/1997 | EP0680374B1 Catalytic decomposition process of nitrous oxide pure or contained in gaseous mixtures |
| 04/09/1997 | EP0643613B1 A process for the conversion of n2o |
| 04/09/1997 | CN2251433Y Multifunctional smoke-eliminating desulfurizing dust remover |
| 04/09/1997 | CN1147241A Diaphragm reactor for converting gaseous base materials |
| 04/09/1997 | CN1034475C Hollow fibre membrances |
| 04/08/1997 | US5618772 Method for producing catalyst |
| 04/08/1997 | US5618730 Assembly and process for purifying exhaust gas, and a process for reclaiming contaminated soil |
| 04/08/1997 | US5618526 Stable complexes as deodorizer; oxidation resistance, discoloration inhibition |
| 04/08/1997 | US5618511 Process for producing ammonium sulfate from flue-gas scrubber waste liquor |
| 04/08/1997 | US5618508 Process for purifying exhaust gas using modified calcium hydroxide |
| 04/08/1997 | US5618507 Process for removing SO2 from gases which contain it, with direct production of elemental sulfur |
| 04/08/1997 | US5618506 Using an hydroxyalkylamine |
| 04/08/1997 | US5618505 Sequentially exposing exhaust gases to first stage catalyst containing tungsten on alumina support and second stage catalyst containing base metal on support to reduce nitrogen oxides to nitrogen by reaction with hydrocarbons |
| 04/08/1997 | US5618501 Catalytic converter with two or more honeycomb bodies in a casing tube and method for its production |
| 04/08/1997 | US5618500 Oxidize carbon soot particles |
| 04/08/1997 | US5618499 Catalyst outage protection system |
| 04/08/1997 | US5618430 Contacting fluid with reaction particles that are in suspension |
| 04/08/1997 | US5618405 Removal and recovery of hydrogen halides using an electrochemical membrane |
| 04/08/1997 | US5618334 Aromatic polyimides comprising sulfonic acid radical; permselectivity |
| 04/08/1997 | US5618332 Using gas permselective membrane |
| 04/08/1997 | CA2088810C Ceramic catalytic membrane reactor for the separation of hydrogen and/or isotopes thereof from fluid feeds |
| 04/05/1997 | CA2187066A1 Process for desalting glycol-derived solvents for gas scrubbers |
| 04/05/1997 | CA2186682A1 Purification of gases using solid adsorbents |
| 04/05/1997 | CA2186680A1 Multibed pressure swing adsorption apparatus and a method for the operation thereof |
| 04/03/1997 | WO1997012373A2 Method and apparatus for laser separation of molecular compounds |
| 04/03/1997 | WO1997012129A2 Process and device for reacting a pollutant in an exhaust gas on a catalyst |
| 04/03/1997 | WO1997011906A1 Sulfur recovery process using sulfur debonding agent |
| 04/03/1997 | WO1997011778A1 Method and apparatus for use in photochemically oxidizing gaseous volatile or semi-volatile organic compounds |
| 04/03/1997 | WO1997011769A1 Cleaning ambient air by the movement of a vehicle having a pollutant treating surface |
| 04/03/1997 | DE19536853A1 Elektrisch beheizbarer, in Teilbereiche unterteilter Wabenkörper mit Verbindungsstegen Electrically heated, divided into sections honeycomb with connecting webs |
| 04/03/1997 | CA2233090A1 Cleaning ambient air by the movement of a vehicle having a pollutant treating surface |
| 04/03/1997 | CA2226220A1 Sulfur recovery process using sulfur debonding agent |
| 04/02/1997 | EP0766330A1 Components for use in electrochemical cells and their use in oxygen separation |
| 04/02/1997 | EP0765681A2 Pressure swing adsorption air prepurifier |
| 04/02/1997 | EP0765454A1 High temperature acid gases and particulate removal in waste incineration process |
| 04/02/1997 | EP0765369A1 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams |
| 04/02/1997 | EP0765289A1 Process and filter for producing no 2?-free nitrogen monoxide with sulphurous polymers |
| 04/02/1997 | EP0765189A1 Layered catalyst composite |
| 04/02/1997 | EP0765188A1 Oxidation catalyst |
| 04/02/1997 | EP0765187A1 Improved wet scrubbing method and apparatus for removing sulfur oxides from combustion effluents |
| 04/02/1997 | EP0667803A4 Gas-separation process. |
| 04/02/1997 | EP0597106B1 Exhaust and purification device for internal combustion engines |
| 04/02/1997 | EP0515696B1 Process for producing formed active coke for desulfurization and denitrification with high denitrification performance |
| 04/02/1997 | CN1146545A Equipment for production of carbon monooxide with deep cooling separation device |
| 04/02/1997 | CN1146503A Tail gas recovery method and device in production of silicon carbide fibre |
| 04/02/1997 | CN1146374A Nitrogen-selective zeolitic adsorbent for use in air separation process |
| 04/02/1997 | CN1146370A Catalyst for methane selective reducing nitrogen-oxygen compound under oxidation atmosphere |
| 04/02/1997 | CN1146369A Multi-tower pressure-changeable gas-adsorption separation method |
| 04/02/1997 | CN1034426C Cucumber mosaic virus coat protein gene |
| 04/02/1997 | CN1034394C Catalyst-downcomer-tray for chemical process tower |
| 04/02/1997 | CN1034392C Gas-liquid contacting device |
| 04/01/1997 | US5616307 Boiler operation with decreased NOx and waste water discharge |
| 04/01/1997 | US5616306 Method for removal of hydrogen sulfide from gases |
| 04/01/1997 | US5616290 Gas-liquid contacting apparatus |
| 04/01/1997 | US5616253 Trichloroethylene; water pollution control |
| 04/01/1997 | US5616223 Mixed ionic-electronic conducting composites for oxygen separation and electrocatalysis |
| 04/01/1997 | US5616170 Adsorptive separation of nitrogen from other gases |
| 04/01/1997 | US5616169 Seal-free and frame-free odor and/or pollutant filter |
| 04/01/1997 | US5616158 Moisture absorbing media filter |
| 03/27/1997 | WO1997011274A1 Air drying device for a pneumatic system |
| 03/27/1997 | WO1997011030A1 Method of manufacturing high purity calcium carbonate |
| 03/27/1997 | WO1997011027A1 Method of processing fluorine-contaminated hydrochloric acid arising from waste treatment |
| 03/27/1997 | WO1997010895A2 Sulfur dioxide reduction catalyst |
| 03/27/1997 | WO1997010892A1 Method for catalytically processing gases with a high oxygen content to reduce nitrogen oxide emissions |
| 03/27/1997 | WO1997010891A1 Catalyzed packing material for regenerative catalytic oxidation |
| 03/27/1997 | WO1997010882A2 Filter or catalytic-converter device |
| 03/27/1997 | DE19534950A1 Appts. for plasma-chemical decomposition and/or destruction of harmful materials |
| 03/27/1997 | DE19534095A1 Verfahren und Vorrichtung zum Abscheiden von Wasserstoff aus einem Gasgemisch Method and apparatus for separating hydrogen from a gas mixture |
| 03/27/1997 | DE19525885C1 Container or room with air filtration unit to prevent egress of odours |
| 03/27/1997 | CA2232516A1 Filter or catalytic-converter device |
| 03/27/1997 | CA2232131A1 Process for processing a waste hydrochloric acid contaminated with fluorine |
| 03/26/1997 | EP0764771A2 Compression ignition type engine |
| 03/26/1997 | EP0764552A2 Device for dehumidifying air, particularly for vehicles |
| 03/26/1997 | EP0764467A1 Narrow pore size distribution monomodal and polymodal catalysts and catalyst carriers, and their manufacture |