| 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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| 09/11/1990 | US4955586 Apparatus for treating slurry by gas-liquid contact method |
| 09/11/1990 | US4955208 Refrigerating apparatus having a stink removing device |
| 09/11/1990 | CA2011840A1 Desiccant tablet |
| 09/11/1990 | CA2010350A1 Desulfurizing agent and process of producing it |
| 09/11/1990 | CA1273865A1 Argon recovery from ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means |
| 09/09/1990 | WO1990010491A1 Method and apparatus for achieving high reaction rates in solid-gas reactor systems |
| 09/07/1990 | WO1990009839A1 Fluidised bed reactor with oblique flow through the bed |
| 09/06/1990 | DE3906797A1 Pollutant/exhaust gas purification apparatus with water treatment cartridge for heating boilers |
| 09/06/1990 | CA2011474A1 Method of separating condensible vapors from particles in highly compressed gases |
| 09/05/1990 | EP0385958A2 Catalyst for the reduction of nitrogen oxides, a method for its preparation and the use thereof |
| 09/05/1990 | EP0385947A1 Process for enhancing permeability in the separation of gaseous mixtures by a composite membrane, and its use |
| 09/05/1990 | EP0385555A1 Apparatus for carrying out a combined air and water purification, and also a method for operating such a purification |
| 09/05/1990 | EP0385411A2 Process and apparatus for the catalytic and/or thermal post-combustion of exhaust air |
| 09/05/1990 | EP0385174A2 Adsorptive process for separating multicomponent gas mixtures |
| 09/05/1990 | EP0385164A2 Catalyst for the selective reduction of nitric oxide with ammonia |
| 09/05/1990 | EP0385123A2 Thermally stable ferrites for reduction of hydrogen sulfide emissions from automobile exhaust |
| 09/05/1990 | EP0359779A4 In-line compressed air carbon monoxide filter |
| 09/05/1990 | CN1009430B Asymmetric gas sepn. membrane comprising aromatic polysulphone |
| 09/04/1990 | US4954599 Adsorbers in spherical form |
| 09/04/1990 | US4954476 Method of making catalysts from titanium oxide |
| 09/04/1990 | US4954465 Deodorizing |
| 09/04/1990 | US4954331 Sulfur recovery process using metal oxide absorbent |
| 09/04/1990 | US4954324 Method of baghouse brown plume pollution control |
| 09/04/1990 | US4954323 AOG incinerator NOx emission control via NH3 injection |
| 09/04/1990 | US4954320 Reactive bed plasma air purification |
| 09/04/1990 | US4954294 Vapor/liquid contact apparatus |
| 09/04/1990 | US4954146 Separation of gaseous mixtures |
| 09/04/1990 | US4954145 Alcohol or polyether, alkali metal salt, amine or hydroxylamine |
| 09/04/1990 | US4954144 Polyimide membranes and their use for gas separation |
| 09/04/1990 | US4954143 Using a sulfonated polyarylsulfone or polyarylketone membrane |
| 09/04/1990 | CA1273474A1 Integrated injection and bag filter house system for so.sub.x-no.sub.x particulate control with reagent/catalyst regeneration |
| 08/31/1990 | CA2010970A1 Catalyst for the selective reduction of nitrogen oxides with ammonia |
| 08/30/1990 | DE3905975A1 Device for filtering toxic substances |
| 08/30/1990 | DE3904642A1 Bindemittel fuer fluessigkeiten Binders such as liquid |
| 08/29/1990 | EP0384866A1 Process for purifying flue gas containing nitrogen oxides |
| 08/29/1990 | EP0384853A2 Catalyst for motor vehicle exhaust gases |
| 08/29/1990 | EP0384803A1 Thermal decomposition trap |
| 08/29/1990 | EP0384802A1 Method and apparatus for detoxicating halide of nitrogen or carbon |
| 08/29/1990 | EP0384565A1 Treatment of nitrogen oxides |
| 08/29/1990 | EP0384295A2 Method and apparatus for reducing the pollutants of a combustion process using oxidation honey comb catalysts and catalysts with desulfuration properties and with exhaust gas recycling |
| 08/29/1990 | EP0384055A1 Packing support and its use in contact towers |
| 08/29/1990 | EP0384016A1 Process and apparatus for separating components from a fluid mixture |
| 08/29/1990 | EP0383907A1 Catalytic conversion device |
| 08/29/1990 | EP0227771B1 Method for the treatment of a gas mixture by adsorpton |
| 08/29/1990 | CN1009338B Rhodium-free three-member catalyst |
| 08/28/1990 | US4952548 Catalyst for removing nitrogen oxides |
| 08/28/1990 | US4952545 Non-poisoning by arsenic compound; metal oxides catalyst of titanium, tungsten, vanadium, molybdenum and others |
| 08/28/1990 | US4952382 Having a crystal structure of the pyroaurite-sjogrenite-hydrotacite, the hydrocalumite or the ettringite group and combined witha matrix; treating a flue gas from hydrocarbon conversion |
| 08/28/1990 | US4952381 Catalyst of titanium and arsenic oxides, reducing gas |
| 08/28/1990 | US4952340 Vibratory ion vapor generator and method |
| 08/28/1990 | US4952289 Macrocyclic amine complexes for ligand extraction and generation |
| 08/28/1990 | US4952247 Oxidative scrubbing to form solid sulfur; flooding, suspension removal |
| 08/28/1990 | US4952231 Process for treating product of radiation treatment of ammonia-added effluent gas |
| 08/28/1990 | US4952223 Distillation, pressurization, recycling and purification of carbon dioxide stream |
| 08/28/1990 | US4952219 Dehydration; molecular sieve for residual water |
| 08/28/1990 | US4951417 Method of contaminated soil remediation and apparatus therefor |
| 08/28/1990 | CA1273283A1 Arrangement intended for a nozzle assembly |
| 08/27/1990 | CA2010585A1 Catalyst for the reduction of nitrogen oxides, a method for its preparation and the use thereof |
| 08/23/1990 | WO1990009345A1 Low temperature process for the reduction of nitrogen oxides in an effluent |
| 08/23/1990 | WO1990009227A1 Exhaust gas cleaning method |
| 08/23/1990 | WO1990009226A1 Process and equipment for cleaning of flue gases |
| 08/23/1990 | WO1990009225A2 Apparatus and process for the elimination of atmospheric pollution |
| 08/23/1990 | WO1990009224A1 Membrane separation device and method of manufacture |
| 08/23/1990 | DE4003668A1 Outgoing air purification - by absorption of hydrocarbon(s) in activated carbon followed by desorption and catalytic oxidn. |
| 08/23/1990 | DE3905485A1 Device for keeping dry a quantity of air and the use thereof |
| 08/23/1990 | DE3905484A1 Device for keeping dry the air interspace of multiple glazings, having a throttling device and a regenerating gas supply line, and the use thereof |
| 08/23/1990 | DE3905429A1 Wanderbettreaktor mit querdurchstroemten wanderbett Moving bed reactor with querdurchstroemten migratory bed |
| 08/23/1990 | DE3904879A1 Freeing air streams and gas streams of solvents and other volatile substances by scrubbing and distillation |
| 08/23/1990 | DE3903938A1 Verfahren zur entsorgung der gasrauminhalte von grossvolumigen behaeltern bei umweltbelastenden inhaltstoffen A method for disposal of the gas chamber contents of large-volume containers with polluting materials content |
| 08/23/1990 | CA2009789A1 Process for purifying by the wet method fumes containing nitrogen oxides |
| 08/22/1990 | EP0383667A1 Method of creating an environment for the production of high-performance composite elements |
| 08/22/1990 | EP0383312A2 Adsorption process for recovering two high purity gas products from multicomponent gas mixtures |
| 08/22/1990 | EP0383146A1 Coupling fluid separation membrane elements |
| 08/22/1990 | EP0383049A1 Respirator filter means for removal of tritiated water |
| 08/22/1990 | EP0383010A2 Heat-regenerating adsorption plant for humid gaseous media |
| 08/22/1990 | EP0382986A1 Method and apparatus for detoxicating halide of nitrogen or carbon |
| 08/22/1990 | EP0382984A1 Thermal decomposition trap |
| 08/22/1990 | EP0382983A1 Gas purge assembly |
| 08/22/1990 | EP0382982A1 Process for purifying gases and apparatus for parifying gases constituting an electrochemical gas-liquid contactor |
| 08/22/1990 | EP0382937A1 Heat recovery adsorption plant for damp gaseous media |
| 08/22/1990 | EP0382742A1 Process of guiding a stream of bulk solids in at least one circulating bed reactor and reactor installation for realising the process. |
| 08/22/1990 | CN1044769A Supercooling type purifying apparatus of smoke and fume |
| 08/22/1990 | CN1009248B Method and system for exhaust gas stream scrubbing |
| 08/21/1990 | US4950476 Method of catalytically oxidizing alcohol vapor accompanied by varying amounts of excess oxygen |
| 08/21/1990 | US4950473 Distributing reducing agent into gas flow |
| 08/21/1990 | US4950462 Hexametaphosphateamine and cuprous chloride |
| 08/21/1990 | US4950461 Process for catalytic reduction of nitrogen oxides |
| 08/21/1990 | US4950315 Multiple head pumping |
| 08/21/1990 | US4950312 Silica-bound calcium-containing zeolite a granulate |
| 08/21/1990 | US4950311 Heaterless adsorption system for combined purification and fractionation of air |
| 08/21/1990 | US4950139 Process of catalytically reducing NO |
| 08/21/1990 | US4949652 Waste disposal system |
| 08/17/1990 | WO1990009236A1 Binder for liquids |
| 08/16/1990 | EP0382644A1 Process for the catalytic reduction of nitrogen compounds, and catalysts used |
| 08/16/1990 | EP0382611A1 Method and apparatus for regenerating an adsorber of a gas dessication installation |
| 08/16/1990 | EP0382434A2 Purification of exhaust gas from diesel engine |
| 08/16/1990 | EP0382335A1 Honeycomb catalytic apparatus |
| 08/16/1990 | EP0382202A2 Method and device for the removal of components to be separated from a fluid |
| 08/16/1990 | EP0381946A1 Apparatus for refuse incineration and method for its operation |
| 08/16/1990 | EP0381944A1 Desiccant cartridge |