| 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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| 02/22/2000 | US6027616 Extraction of contaminants from a gas |
| 02/22/2000 | US6027552 Method for removing ammonia and carbon dioxide gases from a steam |
| 02/22/2000 | US6027551 Control of mercury emissions using unburned carbon from combustion by-products |
| 02/22/2000 | US6027550 Apparatus and method for removing volatile organic compounds from a stream of contaminated air with use of an adsorbent material |
| 02/22/2000 | US6027549 Adjusted density carbon for hydrogen PSA |
| 02/22/2000 | US6027548 PSA apparatus and process using adsorbent mixtures |
| 02/22/2000 | US6027547 An affinity medium on a solid-phase support in a vessel, which reversibly takes up the fluid such as hydride, halide, and dopant gases for semiconductor manufacturing and disengages the fluid under dispensing conditions |
| 02/22/2000 | US6027546 Energy efficient compressed air drying apparatus employs a hollow fiber membrane dryer; atmospheric adsorption dryer provides dry purge air for the membrane unit and has a regeneration inlet; low dew point |
| 02/22/2000 | US6026640 Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means |
| 02/22/2000 | CA2199454C Flue gas desulfurization method and apparatus |
| 02/22/2000 | CA2167640C Process for the purification of inert gases recycled from reactors for solid state polycondensation of polyester resins |
| 02/22/2000 | CA2166004C Adsorption flow distribution |
| 02/22/2000 | CA2112190C Process for removing nitrogen oxides from oxygen rich exhaust gas |
| 02/17/2000 | WO2000008316A2 REGULATION OF A NOx ABSORPTION CATALYTIC CONVERTER |
| 02/17/2000 | WO2000008314A1 Exhaust system comprising a device for catalytically reducing nox and a catalyst support body made of fibers |
| 02/17/2000 | WO2000008310A1 Method and device for post-treatment of exhaust gases of an internal combustion engine |
| 02/17/2000 | WO2000007711A2 Soluble ammonium phosphate process |
| 02/17/2000 | WO2000007703A1 METHOD AND APPARATUS FOR EXTRACTING HYDROGEN ISOTOPES FROM A LIQUID Pb-17Li EUTECTIC IN A FUSION REACTOR |
| 02/17/2000 | WO2000007699A2 Method and device for removing nitrogen oxides from exhaust gases |
| 02/17/2000 | WO2000007698A1 Method for purifying a gas stream |
| 02/17/2000 | WO2000007697A1 Method for desulfurizing gas and minimizing plume formation |
| 02/17/2000 | WO2000007695A2 Method for converting urea into ammonia |
| 02/17/2000 | WO2000007688A1 Esrf coolant degassing process |
| 02/17/2000 | WO1999062619A3 Method for cleaning diesel engine exhaust gas |
| 02/17/2000 | DE4406715C2 Verfahren zum Betreiben einer Rauchgasentschwefelungsanlage für ein braunkohlenstaubgefeuertes Kraftwerk A method of operating a flue gas desulfurization for a brown coal dust-fired power plant |
| 02/17/2000 | DE19850786A1 Regelung eines NOx-Speicher-Katalysators Regulation of a NOx storage catalytic converter |
| 02/17/2000 | DE19836519A1 Reactor for the removal of odors using UV radiation together with catalysts |
| 02/17/2000 | DE19836469A1 Air filter for vehicles or buildings has meso and macro pores representing more than half of total for economic manufacture and efficiency with long service life |
| 02/17/2000 | DE19835662A1 Production of a catalyst body used for purifying waste gas from e.g. waste incineration plants by applying enamel and a catalytically active material to a support and heat treating |
| 02/17/2000 | DE19835246A1 Cutting profiled holes in a catalyst body by using a guided laser beam |
| 02/17/2000 | DE19834993A1 Verfahren und Einrichtung zum Beseitigen von Stickoxiden aus einem Abgas Method and device for removing nitrogen oxides from an exhaust gas |
| 02/17/2000 | CA2339238A1 Method and apparatus for extracting hydrogen isotopes from a liquid pb-17li eutectic in a fusion reactor |
| 02/17/2000 | CA2337840A1 Method for purifying a gas stream |
| 02/16/2000 | EP0979671A1 Process and apparatus for purification of chlorine gas contaminated with bromine |
| 02/16/2000 | EP0979670A1 Apparatus for removing condensable material from a gas |
| 02/16/2000 | EP0979314A1 Process and device for recovering raw materials from waste and residues |
| 02/16/2000 | EP0979219A1 Reducing pollutant gases in gas mixtures from pyrotechnic reactions |
| 02/16/2000 | EP0979149A1 Spray nozzle and a process using this nozzle |
| 02/16/2000 | EP0979137A1 Electrically heated catalyzer |
| 02/16/2000 | EP0979136A1 Method for removing harmful acid substances from waste gases |
| 02/16/2000 | EP0979135A1 Device and method for decomposing harmful substances contained in flue gas |
| 02/16/2000 | EP0979134A1 Improvements in and relating to gas generators |
| 02/16/2000 | EP0592667B1 Highly heat resistant metallic carrier for automobile catalyst |
| 02/16/2000 | CN2363780Y Flue gas circular slot spray self-excitation swirl water bath type desulfurizing dust-collector |
| 02/16/2000 | CN2363779Y Continuous synchronous flue gas dust-collecting water treating device |
| 02/16/2000 | CN2363778Y Dry and wet desulfurizing dust-collecting flue gas purifying apparatus for coal boiler |
| 02/16/2000 | CN2363777Y Tube adsorbing column for drying compressed gas |
| 02/16/2000 | CN2363775Y Compound multipipe water-film desulfurizing deduster |
| 02/16/2000 | CN1244945A Device for recombining hydrogen in a gas mixture |
| 02/16/2000 | CN1244813A Process for recovering CF4 and C2F6 from a gas |
| 02/16/2000 | CN1244432A Method and device for clearing electrical large equipment |
| 02/15/2000 | US6025298 Denitration catalyst on support structure comprising glass fibers, inorganic filler, inorganic binder |
| 02/15/2000 | US6025297 Catalyst comprising core including support and nitrogen oxide storage member, having on surface catalyst ingredient loading layer including support and noble metal catalyst ingredient |
| 02/15/2000 | US6025296 Process for production of catalyst for exhaust gas cleaning |
| 02/15/2000 | US6025292 Method for the regeneration of a denitration catalyst |
| 02/15/2000 | US6025084 Electrochemical cell having gas flow channels surrounded by solid electrolyte and interconnecter |
| 02/15/2000 | US6024933 Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst |
| 02/15/2000 | US6024892 Anticorrosion and pH stable alkali metal halide solutions for air dehumidification |
| 02/15/2000 | US6024871 Single-phase fluid distributor-mixer-extractor for beds of granular solids |
| 02/15/2000 | US6024781 Passing mixture through adsorption zone containing type azeolite having exchamgeable cations; pressure and temperature swing adsorption, regeneration |
| 02/15/2000 | US6023930 Black smoke eliminating device for internal combustion engine and exhaust gas cleaning system including the device |
| 02/15/2000 | US6023928 Method for reducing emissions from a diesel engine |
| 02/15/2000 | CA2186841C Adsorbents for ozone recovery from gas mixtures |
| 02/15/2000 | CA2158125C High ph cerium compound colloidal dispersions and process for preparing the same |
| 02/15/2000 | CA2153841C Two stage downflow flue gas treatment condensing heat exchanger |
| 02/15/2000 | CA2136382C Process for removing elemental sulfur from a gas stream |
| 02/15/2000 | CA2087173C High surface area hydrated lime and methods |
| 02/15/2000 | CA2001354C System for decontaminating compressed gas |
| 02/13/2000 | CA2253693A1 Method and apparatus for concentrating a gas using a single stage adsorption zone |
| 02/10/2000 | WO2000006955A2 Vapor-compression evaporative air conditioning system |
| 02/10/2000 | WO2000006828A1 Road provided with air cleaning function and method of cleaning polluted air on road |
| 02/10/2000 | WO2000006672A1 Method of producing a clean gas from a hydrocarbon |
| 02/10/2000 | WO2000006663A1 Desiccant deposit |
| 02/10/2000 | WO2000006498A1 Method and device for processing aqueous liquids containing cyanide |
| 02/10/2000 | WO2000006494A1 Crystalline molecular sieves |
| 02/10/2000 | WO2000006493A1 Processes for manufacture of molecular sieves |
| 02/10/2000 | WO2000006357A1 Potting of tubular bundles in housing |
| 02/10/2000 | WO2000006290A1 Method for oxidising a reactant gas using a ceramic electrochemical reactor |
| 02/10/2000 | WO2000006289A1 Method and apparatus for cleaning harmful gas by irradiation with gas laser and electron beams |
| 02/10/2000 | WO2000006288A1 Moving sorbent filter device |
| 02/10/2000 | WO1999046032A3 Process gas purification and fuel cell system |
| 02/10/2000 | DE19835748A1 Verfahren zur simulierten Bildung eines die momentane Katalysatortemperatur repräsentierenden Signals A method for forming a simulated the current catalyst temperature signal representing |
| 02/10/2000 | DE19835565A1 Vehicle exhaust gas treatment unit with reversible gas flow-path controlled temperature profile, for reduction and degradation of nitrogen oxides, hydrocarbons, and sulfur dioxide |
| 02/10/2000 | DE19835186A1 Verfahren zur Reinigung eines Gasstromes A process for purifying a gas stream |
| 02/10/2000 | DE19833660A1 Continuous water heater using fuel combustion in which water and hot gases pass through adjacent spirals to provide long paths in a limited space |
| 02/10/2000 | DE19824903C1 Catalytic oxidative-adsorptive scrubbing of exhaust gas and air, especially for removing hardly soluble and volatile organic impurities, uses adsorber bed sprayed with aqueous peroxide or peracid solution pre-activated over metal catalyst |
| 02/10/2000 | CA2340771A1 Vapor-compression evaporative air conditioning system |
| 02/10/2000 | CA2338410A1 Moving sorbent filter device |
| 02/10/2000 | CA2337628A1 Crystalline molecular sieves |
| 02/10/2000 | CA2337505A1 Processes for manufacture of molecular sieves |
| 02/09/2000 | EP0978690A2 Air cleaning unit |
| 02/09/2000 | EP0978640A2 Process for simulated development of a signal representing the momentary temperature of a catalyst |
| 02/09/2000 | EP0978558A1 Method for treating ethanol contained in exhaust gas |
| 02/09/2000 | EP0978477A1 Method and apparatus for condensing oxygen gas |
| 02/09/2000 | EP0978313A1 Natural silicates with fibrous structure |
| 02/09/2000 | EP0978308A1 Method and apparatus for extracting hydrogen isotopes from a liquid Pb-17Li eutectic in a fusion reactor |
| 02/09/2000 | EP0978307A1 Semi-wet process for cleaning exhaust gases including decarbonation of sprayed water |
| 02/09/2000 | EP0978305A1 Pressure swing adsorption process for separating a gas mixture and apparatus for carrying out the process |
| 02/09/2000 | EP0977623A1 Purification arrangement |
| 02/09/2000 | EP0975418A4 Membranes comprising aminoacid salts in polyamine polymers and blends |