| 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) |
|---|
| 09/01/1993 | CN1075665A Method to implement reaction and reaction particles |
| 09/01/1993 | CN1075664A Moisture excluding and odor absorbing agent |
| 09/01/1993 | CN1021960C Process for steam-reforming hydrocarbons |
| 08/31/1993 | US5240690 Fluidized catalytic cracking; adding oxygen or air to convert to NOx or nitrogen prior to passage to CO boiler |
| 08/31/1993 | US5240689 Injecting ammonia precursors, such as ammonia, urea, cyanuric acid, and hydrocarbon peroxyl initiators such as propane, ethanol; reducing ammonia slippage, oxidizing nitrogen monoxide to nitrogen dioxide |
| 08/31/1993 | US5240688 Process for the in-line hydrolysis of urea |
| 08/31/1993 | US5240682 Reinforced corrugated thin metal foil strip useful in a catalytic converter core, a catalytic converter core containing said strip and an electrically heatable catalytic converter containing said core |
| 08/31/1993 | US5240652 Liquid distributor for a vapor-liquid contacting column |
| 08/31/1993 | US5240575 NOx reduction by sulfur tolerant coronal-catalytic apparatus and method |
| 08/31/1993 | US5240487 Warm air register filter and scent dispenser |
| 08/31/1993 | US5240482 Shower tunnel-type scrubbing apparatus for purifying effluent gases |
| 08/31/1993 | US5240481 Programmable control and operation equipment of swing pressure adsorption process |
| 08/31/1993 | US5240476 Process for sulfur removal and recovery from a power generation plant using physical solvent |
| 08/31/1993 | US5240475 Solvent impurities are removed by adsorption, desorption, separation in condenser, regeneration of absorgent |
| 08/31/1993 | US5240474 Air separation by pressure swing adsorption with a high capacity carbon molecular sieve |
| 08/31/1993 | US5240473 Utilization of ion transport membranes formed from multicomponent metal oxides |
| 08/31/1993 | US5240472 Membrane system; dryer unit incorporates selective surface flow adsorbent membrane of gamma-alumina or silica gel |
| 08/31/1993 | US5240471 Multistage cascade-sweep process for membrane gas separation |
| 08/31/1993 | US5240470 Removal of entrained particles with electrostatic precipitator; use of movable catalytic converter to convert sulfur dioxide to sulfur trioxide |
| 08/31/1993 | CA1321688C Polyimide gas separation membranes |
| 08/31/1993 | CA1321687C Process and dope for forming asymmetric gas separation membranes having graded density skins |
| 08/31/1993 | CA1321686C Asymmetric gas separation membranes having graded density skins |
| 08/29/1993 | WO1993016786A1 Improved fluid fractionator |
| 08/28/1993 | CA2086778A1 Process for the reduction of nitrogen oxides in exhaust gases |
| 08/27/1993 | CA2089965A1 Method for the production of a metal foam and a metal foam obtained |
| 08/26/1993 | DE4205686A1 Gas exchange appts. - has eddy unit for media flow to give fluid where gas can be exchanged |
| 08/26/1993 | DE4205572A1 Verfahren und reaktionsteilchen zur durchfuehrung von reaktionen Procedures and reaction particles for carrying out reactions |
| 08/25/1993 | EP0557156A1 Product for dehumidifying a gas |
| 08/25/1993 | EP0557155A1 Process for treating styrene containing ventilation air |
| 08/25/1993 | EP0556990A1 Method and apparatus for separating gas mixture |
| 08/25/1993 | EP0556717A1 Removing fluorine or anorganic fluorine compounds from gases using spent TiO2-catalysts |
| 08/25/1993 | EP0556567A1 Process for the separation of organic components from gas mixtures |
| 08/25/1993 | EP0556554A2 Coating dispersion for exhaust gas catalysts |
| 08/25/1993 | EP0556368A1 Bulk-material reactor. |
| 08/25/1993 | EP0556228A1 Surface stabilized sources of isocyanic acid. |
| 08/25/1993 | EP0556192A1 A method and an apparatus for cleaning extensive air volumes containing low concentrations of pollutants of hydrocarbons |
| 08/25/1993 | EP0556172A1 Use of chlorous acid for removing sulfur dioxide from combustion gases |
| 08/25/1993 | CN2140781Y Means for purification of waste gas |
| 08/25/1993 | CN1075539A Method and installation for conditioning the atmosphere in a storage chamber for organic harvested produce |
| 08/25/1993 | CN1021886C Method and system for vapor extraction from gases |
| 08/24/1993 | US5239098 Selective separation and recovery of oxygen from oxygen-containing fluid stream |
| 08/24/1993 | US5238897 Radiation treatment of hopcalite catalyst at energy levels which cause molecular dispersion and increase number of active catalytic sites, for air conditioning and ventilation systems |
| 08/24/1993 | US5238890 Containing gallium and a zeolite |
| 08/24/1993 | US5238676 Contacting with inorganic oxide of trivalent element to incorporate into crystalline material; dealkylation catalysts |
| 08/24/1993 | US5238670 Process for preparing ultra-pure nitrogen |
| 08/24/1993 | US5238666 Process for separating sulfur compounds from flue gases |
| 08/24/1993 | US5238665 Treatment of exhaust gases with alkaline material, separation of solids, multistage wet scrubbing, absorption, recycling |
| 08/24/1993 | US5238659 Moving granular bed dust removal and reaction apparatus |
| 08/24/1993 | US5238658 Exhaust gas treatment apparatus |
| 08/24/1993 | US5238657 Spray nozzle apparatus with means for introducing gas into surrounding flexible casing to change its form and remove accumulated particles |
| 08/24/1993 | US5238656 Reactor packed with acidic decomposition catalyst and connected to wash tower to remove hydrogen halide gases formed by dehalogenation |
| 08/24/1993 | US5238471 Spray deposition as aerosol on microporous substrate, annealing, rendered defect-free |
| 08/24/1993 | US5238469 Method and apparatus for removing residual hydrogen from a purified gas |
| 08/24/1993 | US5238468 Collection device for gaseous emissions |
| 08/24/1993 | US5237940 Method and apparatus for the environmentally compatible vitrification of fluid or solid residues from special-class waste incinerators |
| 08/24/1993 | US5237939 Method and apparatus for reducing NOx emissions |
| 08/24/1993 | CA1321557C Process for recovering oxygen enriched gas |
| 08/24/1993 | CA1321547C Membrane separation system and process |
| 08/24/1993 | CA1321464C2 Method for reducing sulfur dioxide content in flue gases |
| 08/23/1993 | CA2089969A1 Treating liquids |
| 08/22/1993 | CA2072226A1 Air purification system for enclosed arenas |
| 08/19/1993 | WO1993016338A1 A process for extracting vapor from a gas stream |
| 08/19/1993 | WO1993016327A1 Emission control fluid bed reactor |
| 08/19/1993 | WO1993015834A1 Support of a three-way catalyst and method of producing the same |
| 08/19/1993 | WO1993015824A1 A process for the conversion of n2o |
| 08/19/1993 | WO1993015823A1 Method of separating carbon monoxide from gas mixture |
| 08/19/1993 | WO1993015822A1 Method and apparatus for removing suspended fine particles from gases and liquids |
| 08/19/1993 | DE4204603A1 Appts. for multistage catalytic combustion of nitrogen cpds. - in gas e.g. ammonia, stripped from water percolating from refuse tip, without emission of e.g. dioxin or excess nitrogen oxide |
| 08/19/1993 | CA2129003A1 A process for extracting vapor from a gas stream |
| 08/18/1993 | EP0555936A1 Process for the reduction of nitrogen oxides to nitrogen |
| 08/18/1993 | EP0555921A1 Products, methods and appliances for removing pollutants from a fluid |
| 08/18/1993 | EP0555889A1 Process for reducing nitrogen oxides from exhaust gas |
| 08/18/1993 | EP0555878A1 Two stage membrane dryer |
| 08/18/1993 | EP0555746A1 Device for catalytic NOx reduction |
| 08/18/1993 | EP0555719A1 Process and installation for reducing the content of nitrogen oxides in flue gas |
| 08/18/1993 | EP0555525A1 Process for reducing the nitrogen oxide concentration in combustion exhaust gas with an aqueous urea solution |
| 08/18/1993 | EP0555326A1 Method and apparatus for monochannel simultaneous heat and mass transfer |
| 08/18/1993 | EP0470197B1 Catalytic combustion of soot from diesel engines |
| 08/18/1993 | CN2140257Y 铅尘净化器 Lead dust purifier |
| 08/18/1993 | CN1075271A A coating dispersion for exhaust gas catalysts |
| 08/18/1993 | CN1021832C Process for removing sulfur gases from combustion gas |
| 08/18/1993 | CN1021809C Industrial manganese sulphate production method |
| 08/18/1993 | CN1021801C Waste gas purifying catalyst containing aluminium oxide and stabilized by solid barium sulfate and its preparation |
| 08/18/1993 | CN1021800C Waste gas governing technology about refining sulfur from sulfur iron ore in indigenous method |
| 08/17/1993 | US5236879 Catalyst for purifying exhaust gas |
| 08/17/1993 | US5236878 Zeolite-containing adsorptive composition and adsorptive decomposition composition containing such zeolite-containing composition |
| 08/17/1993 | US5236678 Process for absorption of sulfur compounds from fluids using piperidines |
| 08/17/1993 | US5236677 Biological process for the elimination of sulphur compounds present in gas mixtures |
| 08/17/1993 | US5236672 Corona destruction of volatile organic compounds and toxics |
| 08/17/1993 | US5236597 Sorption of carboxylic acids by means of rubber |
| 08/17/1993 | US5236476 Air purification system for enclosed arenas |
| 08/17/1993 | US5236474 Membrane-based removal of condensable vapors |
| 08/17/1993 | US5236354 Power plant with efficient emission control for obtaining high turbine inlet temperature |
| 08/17/1993 | CA1321362C Integrated process for the removal of sulfur compounds from fluid streams |
| 08/17/1993 | CA1321361C Membrane unit turn-down control system |
| 08/14/1993 | CA2089411A1 Two stage membrane dryer |
| 08/12/1993 | DE4218672C1 Incineration of wastes contg. mercury - with addn. of chlorine source to improve fuel gas scrubbing |
| 08/12/1993 | DE4207879A1 Reducing sulphur content in flue gases from coal fired furnaces - by adding wet or dry paper waste to hard or brown coal before charging furnace |
| 08/12/1993 | DE4203807A1 Catalytic nitrogen oxide(s) redn. appts. for vehicles - comprises flow mixer urea evaporator hydrolysis catalyst, for exhaust gas treatment |
| 08/12/1993 | DE4203475A1 Recovering precious metals, esp. from electronic components - where components are charged into heated metal melt, the gaseous plastics components are burned in oxygen-enriched air, etc. |