| 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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| 05/09/2002 | US20020053191 Method for removing condensable aluminum chloride vapor from aluminum etch effluent |
| 05/08/2002 | EP1203868A2 Exhaust emission control device of internal combustion engine |
| 05/08/2002 | EP1203611A1 Process and device for the selective catalytic reduction of nitrogen oxides in oxygen-rich exhaust gas |
| 05/08/2002 | EP1203610A1 Single bed pressure swing adsorption process |
| 05/08/2002 | EP1203608A1 Process and apparatus for removing pollutants from air in industrial plants |
| 05/08/2002 | EP1203231A2 Gas sensor with phased heaters for increased sensitivity |
| 05/08/2002 | EP1202791A1 Porous gas permeable material for gas separation |
| 05/08/2002 | EP1202790A1 Channel flow filter |
| 05/08/2002 | EP1032756B1 Catalytic converter and method for mounting of converter |
| 05/08/2002 | EP0858278B1 Deep-frying device |
| 05/08/2002 | EP0815938B1 A catalyst for purification of industrial and automotive vehicle exhaust gas |
| 05/08/2002 | DE10139316A1 Verfahren zur Herstellung von formselektiven Katalysatoren und deren Verwendung Process for the preparation of shape selective catalysts and their use |
| 05/08/2002 | DE10054233A1 Kovalent vernetzte Kompositmembranen Covalently cross-linked composite membranes |
| 05/08/2002 | DE10054056A1 Brennstoffzellenanlage Fuel cell system |
| 05/08/2002 | DE10054005A1 The system to clean exhaust gas emissions from an IC motor has a nitrogen oxide accumulator, and desulfurizing operating in full and partial modes according to registered temperatures |
| 05/08/2002 | DE10053986A1 Introducing and removing hydrogen using an electrically contacted proton conductor, comprises applying a current to the conductor so that protons are generated at an anode and recombining the protons at a cathode to form hydrogen |
| 05/08/2002 | DE10053359A1 Cellulose fiber or film production with neutral adsorbent properties, for use e.g. in air filters, involves wet-spinning solution in aqueous tert. amine oxide containing cellulose and finely-divided neutral adsorber |
| 05/08/2002 | DE10053345A1 Reduction or removal of the content of silane from gas, especially waste gas, uses alkaline aqueous solution of sodium hypochlorite and sodium hydroxide, useful for producing precipitated silica or silica sol after reaction |
| 05/08/2002 | DE10053147A1 Condenser for vehicle has separating unit with liquid separation element delivering liquid in specific gas penetration direction plus liquid hold-back element separating liquid |
| 05/08/2002 | DE10049227A1 Cleaning process gas produced in gasifying process comprises cooling process gas in heat exchanger, feeding to water bath, condensing out pollutants, and further cooling to condense out water absorbed by gas |
| 05/08/2002 | CN2489861Y Liquid dust separation desulfurization tower |
| 05/08/2002 | CN1347759A Fume purifying catalyst and its prepn and application |
| 05/08/2002 | CN1347751A Heterophase reactor |
| 05/08/2002 | CN1347750A Method and apparatus for cleaning fumes containing sulfur dioxide |
| 05/08/2002 | CN1347749A Desulfurizing and cinder-remelting technique for liquid slag-off furnace |
| 05/08/2002 | CN1347748A Low air-gap adsorption system and its application |
| 05/08/2002 | CN1347747A Two-sectional variable pressure adsorption and decarbonizing process of recovering hydrogen and nitrogen gas for urea production |
| 05/08/2002 | CN1084428C 催化反应器 Catalytic reactor |
| 05/08/2002 | CN1084217C Integrated method and apparatus for semi-dry fume desulfuration and magnetic fertilizer production |
| 05/08/2002 | CN1084216C Concentrating and discharging method for wet fume-extracting desulfurizing absorption liquor raw material |
| 05/08/2002 | CA2357366A1 Method of controlling a modular ceramic oxygen generating system |
| 05/07/2002 | US6384292 Method for decomposition of chemical compounds |
| 05/07/2002 | US6383981 Adsorbent to remove mercury, arsenic, metal hydrides, chlorides or impurities from hydrocarbons with iron oxides, manganese oxide and support |
| 05/07/2002 | US6383464 Method for reducing sulfur-oxide emissions from an asphalt air-blowing process |
| 05/07/2002 | US6383463 Exhaust gas denitration method |
| 05/07/2002 | US6383386 Flexible support |
| 05/07/2002 | US6383362 Process and apparatus for eliminating dioxins |
| 05/07/2002 | US6383268 Air cleaner |
| 05/07/2002 | US6383267 Exhaust gas cleaning system for an engine |
| 05/07/2002 | US6383261 Concentration; desulfurization; incineration |
| 05/07/2002 | US6383259 Two section gas purifier with Joule-Thompson cooling device |
| 05/07/2002 | US6383258 From o-tolidine sulfone and diamine |
| 05/07/2002 | US6383257 Cooling; withdrawal |
| 05/07/2002 | US6383256 Molecular sieve type gas separation apparatus |
| 05/07/2002 | US6382958 Air separation method and system for producing oxygen to support combustion in a heat consuming device |
| 05/07/2002 | US6382600 Device for introducing a reducing agent into an exhaust pipe segment of an internal combustion engine |
| 05/07/2002 | US6382110 Cremation method |
| 05/07/2002 | US6381983 Filter-drier with replaceable tubular filter element |
| 05/07/2002 | US6381979 Dual containment condensation assembly |
| 05/06/2002 | CA2361029A1 An exhaust gas treatment unit for the selective catalytic reduction of nitrogen oxides under lean exhaust gas conditions and a process for the treatment of exhaust gases |
| 05/02/2002 | WO2002035623A2 Systems and processes for providing hydrogen to fuel cells |
| 05/02/2002 | WO2002034672A1 Method for the production of form-selective catalysts and use thereof |
| 05/02/2002 | WO2002034408A1 A centrifugal separator having a rotor and driving means thereof |
| 05/02/2002 | WO2002034391A2 Method of preparing a catalyst layer over a metallic surface of a recuperator |
| 05/02/2002 | WO2002034371A1 Catalyst for destruction of co, voc, and halogenated organic emissions |
| 05/02/2002 | WO2002034370A1 Method for controlling the production of ammonia from urea for nox scrubbing |
| 05/02/2002 | WO2002034369A1 Method and apparatus for recovering amine and system for removing carbon dioxide comprising the apparatus |
| 05/02/2002 | WO2002034368A1 Apparatus and process for supplying oxygen-enriched gas |
| 05/02/2002 | WO2002034367A1 Device for use in filtering contaminated air |
| 05/02/2002 | WO2002034366A1 Apparatus and method for treating compressed air |
| 05/02/2002 | WO2002034350A1 Column for counter-currently contacting vapour and liquid |
| 05/02/2002 | WO2002034349A2 Apparatus and method for removing and fractionating sorbates from sorbents |
| 05/02/2002 | WO2002016027A8 Improvements in or relating to carbon dioxide absorbent formulations |
| 05/02/2002 | WO2001089661A3 Nested diffusional filter |
| 05/02/2002 | WO2000074819A9 Rotating drum adsorber process and system |
| 05/02/2002 | US20020051743 Treatment of a gas stream containing hydrogen sulphide |
| 05/02/2002 | US20020051742 Loading aluminum and magnesium (or other metal) on a support, calcining, loading rhodium on the calcined support and calcining again; |
| 05/02/2002 | US20020050145 Deethanizer and absorber columns; recycling reflux; overhead condenser employs reject gas as refrigerant |
| 05/02/2002 | EP1201609A1 Apparatus for oxidatively destructing trace injurious substance |
| 05/02/2002 | EP1201478A2 Hybrid vehicle capable of reducing NOx emissions and method of operating same |
| 05/02/2002 | EP1201302A1 Exhaust gas purifying device and method, exhaust gas purifying catalyst and production method for exhaust gas purifying catalyst |
| 05/02/2002 | EP1201292A1 Method and apparatus for decomposing halogenated hydrocarbon gas |
| 05/02/2002 | EP1201291A1 Removing fluorine from semiconductor processing exhaust gas |
| 05/02/2002 | EP1201290A1 Apparatus and method for cleaning acidic gas |
| 05/02/2002 | EP1200815A1 METHODS AND COMPOSITIONS FOR ASSURING REDUCTION OF NOx EMISSIONS FROM AN ENGINE BY SELECTIVE CATALYTIC REDUCTION |
| 05/02/2002 | EP1200811A1 Method for detecting the state of a catalytic converter system |
| 05/02/2002 | EP1200723A1 METHOD AND DEVICE FOR DESULFATING A NOx ACCUMULATOR CATALYST |
| 05/02/2002 | EP1200369A1 Low expansion, high porosity, high strength cordierite body and method |
| 05/02/2002 | EP1200357A1 Method and apparatus for the removal of harmful substances from various objects or materials |
| 05/02/2002 | EP1200355A1 Desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate and concomitant carbon dioxide capture yielding liquid carbon dioxide |
| 05/02/2002 | EP1200339A1 Methods and systems for the catalytic formation of silicon nitride using a fluidized bed of silica |
| 05/02/2002 | EP1200177A2 System for neutralising polluting gases by pyrolysis |
| 05/02/2002 | EP1200176A1 Method and apparatus for desulphurisation of exhaust gases |
| 05/02/2002 | EP1200175A1 Electron beam irradiation apparatus and method |
| 05/02/2002 | EP1200166A2 Vapour management system |
| 05/02/2002 | EP1051372B1 Method and device for drying organic waste |
| 05/02/2002 | EP1028796B1 Method and device for recovering gases |
| 05/02/2002 | EP0812838B1 Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate therefor |
| 05/02/2002 | DE10152603A1 Elektronische Steuereinheit zum Steuern des Zündzeitpunkts während der Reduktion von in einem Mager-NOx-Katalysator gespeichertem NOx Electronic control unit for controlling the ignition timing during the reduction of stored NOx in a lean-NOx catalyst |
| 05/02/2002 | DE10053515A1 Liquid ammonia supply system for vehicle exhaust gas catalyses has interchangeable reservoirs and a valve system coupling a reservoir valve to one in the vehicle |
| 05/02/2002 | DE10052377A1 Liquid ammonia supply system for vehicle exhaust gas catalyses has interchangeable reservoirs and a valve system coupling a reservoir valve to one in the vehicle |
| 05/02/2002 | DE10052077A1 Einrichtung zur Abgasnachbehandlung von Dieselmotoren Device for exhaust aftertreatment diesel engines |
| 05/02/2002 | DE10051910A1 Flexible, poröse Membranen und Adsorbentien, und Verfahren zu deren Herstellung Flexible, porous membranes and adsorbents, and processes for their preparation |
| 05/02/2002 | CA2426327A1 Device for use in filtering contaminated air |
| 05/02/2002 | CA2426318A1 Apparatus and method for treating compressed air |
| 05/02/2002 | CA2426315A1 Catalyst for destruction of co, voc, and halogenated organic emissions |
| 05/02/2002 | CA2425975A1 Apparatus and method for removing and fractionating sorbates from sorbents |
| 05/01/2002 | CN2488582Y Moisture-free blower |
| 05/01/2002 | CN2488510Y Sterilisation and deodorisation air filtering net |
| 05/01/2002 | CN1347488A Method for storing natural gas by adsorption and adsorbing agent for use therein |