Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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
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)
10/1999
10/20/1999EP0949966A1 Method for treating a catalyst having an active sulphurous phase and contaminated by a mercury compound
10/20/1999EP0949960A1 Method for producing hollow fibrous membranes for microfiltration, ultrafiltration or gas separation
10/20/1999EP0949958A1 Method and device for cleaning exhaust air by separating particles and pollutant gases
10/20/1999EP0949957A1 Top-milled channeling for removal of oxygen from an oxygen generator
10/20/1999EP0843757B1 Method for reprocessing an ozone-containing gas present in a pulp bleaching plant
10/20/1999CN2344078Y Water treatment purifying machine unit for straw-burning gas
10/20/1999CN1232526A Honeycombed body with heat insulated, preferably for exhaust gas catalyzer
10/20/1999CN1232133A Exhaust gas purifying device
10/20/1999CN1231939A Wet flue gas desulfurization apparatus
10/20/1999CN1045818C Metal honeycomb body of intertwined sheet-metal layers and method for its production
10/20/1999CA2230273A1 Dry kamekom
10/19/1999US5969208 Method of making pollutant harmless and apparatus for conducting the method
10/19/1999US5968870 Catalyst for purifying exhaust gas from internal combustion engine and purifying method thereof
10/19/1999US5968861 Trimetallic zeolite catalyst and method of NOx abatement using the same
10/19/1999US5968468 Gases and the ensurance of extremely low levels of hydrogen
10/19/1999US5968467 Dioxin formation preventative in incinerators and method for preventing the formation of dioxins
10/19/1999US5968466 Copper-silver zeolite catalysts in exhaust gas treatment
10/19/1999US5968465 Alumina catalyst removal by reaction with water to form ammonia and carbon monoxide
10/19/1999US5968464 Gasification of urea to ammonia and isocyanic acid; air pollution control; catalysis
10/19/1999US5968463 Zeolite with rhodium and metals, ion exchanging with rare earth ions for catalysts
10/19/1999US5968462 Process for purifying exhaust gases
10/19/1999US5968457 Endothermic generation of carbon monoxide and hydrogen from heat treatment of ferrous, nonferrous metals, alloys and metal or ceramic powders
10/19/1999US5968337 Apparatus and method for constant flow oxidizing of organic materials
10/19/1999US5968334 Process for recovering CF4 and C2 F6 from vent gases of an aluminum production cell
10/19/1999US5968236 Valve free oxygen concentrator
10/19/1999US5968235 Method for VOC abatement
10/19/1999US5968234 Adsorption of water and carbon dioxide onto solid adsorbent to separate from feed air to be purified, periodically regenerating adsorbent with portion of nitrogen-containing compressed gas from the air separation unit (asu)
10/19/1999US5968233 Cocurrent separation of gas, i.e., oxygen from air, through adsorption apparatus having free feed dead volume and free production dead volume in permanent communication respectively with the inlet and outlet ends of the adsorbent
10/19/1999US5968232 Method for ammonia production
10/19/1999US5968214 Air cleaning apparatus for vehicles
10/19/1999US5967771 Rotary regenerative oxidizer
10/19/1999US5967061 Method and system for reducing nitrogen oxide and sulfur oxide emissions from carbonaceous fuel combustion flue gases
10/19/1999US5966929 In-line exhaust system for a transverse mounted v-engine
10/19/1999US5966838 Process and apparatus for drying material with indirectly heated driers and for decontaminating waste gas
10/19/1999US5966837 Wood drying plant and a method of purifying a drying gas from a wood drying device
10/19/1999US5966810 Packaging of replaceable desiccant in an accumulator or receiver dryer
10/19/1999CA2156473C Exhaust emission control device
10/19/1999CA2030303C Hollow fiber bundle element
10/14/1999WO1999051543A2 Dimensionally stable, cross-flow permeable fluid treatment element, especially a hot liquid filter element
10/14/1999WO1999051366A1 Method for producing soil, soil-treating unit, method for treating and unit for treating
10/14/1999WO1999051346A1 Catalytically active structure
10/14/1999WO1999051337A1 Desulfurization of exhaust gases using activated carbon catalyst
10/14/1999WO1999051328A1 Method for separating sulphur dioxide from off-gas by means of sea water and flue-gas desulphurization plants for the implementation of said method
10/14/1999WO1999051327A1 Humidity-controlling functional material and process for the production thereof
10/14/1999WO1999051326A1 Method for recycling liquid absorbent for acid vapor comprising methyldiethanolamine and lower alkylpiperazin
10/14/1999WO1999051325A2 Membrane process for producing carbon dioxide
10/14/1999WO1999041492A3 Dosing system
10/14/1999WO1999040998B1 Low pressure drop inlet design to promote good gas flow patterns in high velocity absorbers
10/14/1999WO1999037388A9 Gas treating agent, method for preparing same, and method for treating gas with same
10/14/1999DE19916435A1 Exhaust gas treatment apparatus for e.g. an internal combustion engine
10/14/1999DE19914787A1 Exhaust gas purification system for an I.C. engine
10/14/1999DE19905525A1 Metal catalyst carrier production for purifying exhaust gases
10/14/1999DE19844082C1 Regeneration of a nitrogen oxides storage catalyst used with lean burn engine
10/14/1999DE19828593A1 Adsorber used e.g. for removing mercury from natural gas or hydrogen
10/14/1999DE19826831A1 Reduction of noxious petrol and diesel engine exhaust gas emissions
10/14/1999DE19815608A1 Katalytisch wirksame Struktur Catalytically active structure
10/14/1999DE19815502A1 I.C. engine exhaust gas treatment unit
10/14/1999DE19814132A1 Wabenkörper mit Adsorbermaterial, insbesondere für eine Kohlenwasserstoff-Falle Honeycomb adsorbent material, especially for a hydrocarbon trap
10/14/1999CA2333523A1 Membrane process for producing carbon dioxide
10/13/1999EP0949197A2 Method and apparatus for manufaturing high concentration ozone gas
10/13/1999EP0948996A2 Ozone adsorbent, ozone-adsorbing molded product, and method of making same
10/13/1999EP0948995A1 Process for removing halogenated compounds from a gas or a liquid with at least one metallic element-containing composition
10/13/1999EP0948992A2 Closed biological filter made up of multiple stages
10/13/1999EP0948991A1 Method for decreasing sulfuric acid and sulfuric anhydride present in combustion exhaust gas, and combustion exhaust gas flow system
10/13/1999EP0948990A1 Process for disposing of a fluorinated gas, which is enclosed in a container, and apparatus for carrying out the process
10/13/1999EP0948989A1 Process and unit for producing oxygen by adsorption with short cycle
10/13/1999EP0948988A1 Use of an adsorbent for separating halogenated aromatic compounds and method of separation using it
10/13/1999EP0948987A1 Exhaust gas purification method and apparatus therefor
10/13/1999EP0948982A1 Liquid distributor for separation columns
10/13/1999EP0948707A1 Emission control system
10/13/1999EP0948464A1 Method and apparatus which removes odor and pollutants when preparing cullet for use in an electrostatic bed filter
10/13/1999EP0948458A1 Method for purifying a cryogenic fluid by filtration and adsorption
10/13/1999EP0948402A1 Desiccation using polymer-bound desiccant beads
10/13/1999EP0948390A1 A method for the removal of carbon dioxide from a process gas
10/13/1999EP0948389A1 Hollow, multi-dimensional array membrane
10/13/1999EP0948385A2 Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization
10/13/1999EP0812246B1 Honeycombed body with only partial attachment to a protective tube
10/13/1999CN2342875Y Gas-liquid distributing tower
10/13/1999CN2342874Y Rotary desorption cooling adsorption concentractor
10/13/1999CN1231720A Method and an apparatus for injection of NOx reducing agent
10/13/1999CN1231218A Method for preparing metal catalyst carrier and the same
10/13/1999CN1231211A Membrane method dehumidifying separator
10/13/1999CN1231210A Short cycle adsorption oxygen-preparation process and apparatus thereof
10/13/1999CA2243840A1 Device for cleaning exhaust gases
10/12/1999US5965786 Process and apparatus for the treatment of perfluorinated and hydrofluorocarbon gases for the purpose of destroying them
10/12/1999US5965481 Process for preparing a catalyst suitable for the treatment of exhaust gases from internal combustion engines
10/12/1999US5965473 Contacting hydrocarbons with hydrocarbon conversion catalyst; regenerating catalyst containing chloride and removing chloride from catalyst; sorbing chloro-species; periodically shifting functions of catalyst beds
10/12/1999US5965099 Catalyst and a method for its production and use of same
10/12/1999US5965098 Methods and devices for scrubbing gases
10/12/1999US5965097 Rotary device for catalytic cleaning of gaseous effluents
10/12/1999US5965095 Flue gas humidification and alkaline sorbent injection for improving vapor phase selenium removal efficiency across wet flue gas desulfurization systems
10/12/1999US5964985 Method and apparatus for converting coal to liquid hydrocarbons
10/12/1999US5964927 Adsorption apparatus
10/12/1999US5964925 Sulfonated polyimide gas separation membranes
10/12/1999US5964924 At least one stage of first decompression/recompression by balancing the pressure between two adsorbers and taking off a constant product gas rate during the adsorption phase; pressure swing adsorption separation of hydrogen
10/12/1999US5964923 Removing water and a portion of hydrocarbons from a gas stream of water, methane, nitrogen and c3+ hydrocarbons; separating methane from nitrogen using membranes that preferentially permeate methane and reject nitrogen
10/12/1999US5964922 Solid electrolyte ionic conductor with adjustable steam-to-oxygen production
10/12/1999US5964921 Using an adsorption agent, characterized in that after said flue gas has been washed with a washing medium, the adsorption agent is discharged together with the washing medium for subsequent collection of the adsorption agent
10/12/1999US5964259 Multiple adsorbent loading method and apparatus for a radial flow vessel
10/12/1999US5964222 Hypoxic tent system
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