Patents
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)
03/1993
03/10/1993CN1069673A Normal tempreture organic sulphur hydrolysis catalyst and its preparation
03/10/1993CN1069670A method of removing ethane and hydrocarbons above ethane from gas-state hydrocarbons
03/09/1993US5192518 Calcium carbonate absorbent, magnetic fly ash separation
03/09/1993US5192517 Gas reacting method
03/09/1993US5192516 Method for low nitrogen oxide combustion in supersonic transports
03/09/1993US5192515 Reduction of nitrogen oxide and carbon monoxide in effluent gases
03/09/1993US5192514 Method of removing selenium from flue gases
03/09/1993US5192499 Fluid processing apparatus and artificial lung
03/09/1993US5192345 System and process for the purification treatment of smokes, dusts and exhaust gases after combustion
03/09/1993US5192341 Selected solvent composition and process employing same
03/09/1993US5192340 Hollow fiber filter cleaning system and more particularly to the control of emissions from solvent cleaning equipment
03/09/1993US5191980 Protective vessel for a getter material
03/09/1993US5191845 Fossil fuel power plants with drying by heat exchanging, supplying exhaust vapors and combustion
03/09/1993US5191771 Ducts with desiccants, refrigeration and heating
03/09/1993US5191721 Microwave regenerable desiccant cartridge
03/09/1993CA1314277C Palladium alloy as catalyst for the oxidation of hydrogen in an atmosphere containing hydrogen and oxyden
03/09/1993CA1314276C Alkaline earth metal spinels and processes for making and using same
03/09/1993CA1314275C Process for eliminating organic odors and compositions for use therein
03/09/1993CA1314253C Process for the treatment of oxygenated exhaust gases
03/06/1993WO1993004766A1 Method and apparatus for processing exhaust gas
03/06/1993CA2095542A1 A method for treating exhaust gas and an apparatus therefor
03/04/1993WO1993004773A1 Bulk-material reactor
03/04/1993WO1993004016A1 Process for minimising the emission of odours in the processing of a compost clamp and device for its implementation
03/04/1993WO1993003998A1 PROCESS AND APPARATUS FOR REMOVING NOx FROM EXHAUST GASES USING CYANURIC ACID__________________________________________________
03/04/1993WO1993003840A1 Aluminum oxide catalyst supports from alumina sols
03/04/1993WO1993003833A1 Device for regenerating contaminated carbon-containing adsorbents, and use thereof
03/04/1993WO1993003824A1 Method for purification of waste gases
03/04/1993WO1993003823A1 Process for the purification of contaminated exhaust gases from incineration plants
03/04/1993WO1993003822A1 Compressed air system with twin air dryers
03/04/1993WO1993003821A1 Semi-permeable gas separation membranes having non-ionic surfactants disposed on a membrane surface or within membrane structure and processes for making and using the same
03/04/1993WO1993003820A1 Process for removing volatile organic compounds using molecular sieves containing charged octahedral sites
03/04/1993WO1993003819A1 Device and method for the biological cleaning of pollutant gas
03/04/1993DE4129216A1 Pre converter for internal combustion engine exhaust catalytic converter - has a hollow cylindrical catalyst support body with by=pass pipe to main converter and is highly efficient over short journeys
03/04/1993DE4129166A1 Verfahren zur reinigung von rauchgas Method for cleaning of flue gas
03/04/1993DE4128629A1 Silberhaltiger traegerkatalysator und verfahren zur katalytischen zersetzung von distickstoffmonoxid A silver traegerkatalysator and process for the catalytic decomposition of dinitrogen monoxide
03/04/1993DE4128565A1 Removing pollutants from gases, liq. or solids by chemisorption
03/04/1993CA2116233A1 Method for purification of waste gases
03/04/1993CA2115041A1 Aluminum oxide catalyst supports from alumina sols
03/04/1993CA2095142A1 Bulk-material reactor
03/03/1993EP0530019A2 Gas Dryers
03/03/1993EP0529661A2 Gas separation process and unit therefor
03/03/1993EP0529513A2 Pressure swing adsorption for hydrogen with high productivity
03/03/1993EP0529401A1 Process for absorption of explosive gases in a mass transfer column
03/03/1993EP0529315A1 Process for cleaning particle-filters loaded with soluble particules
03/03/1993EP0529243A1 Method of treating process gases or flue gases containing halogenous compounds
03/03/1993EP0529052A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures.
03/03/1993EP0528982A1 Catalysts for the destruction of halogenated organics.
03/03/1993EP0528896A1 Dehumidifier
03/03/1993EP0528873A1 Growing sodium type x zeolite crystals
03/03/1993EP0516630A4 Process for recovery and treatment of a diverse waste stream
03/03/1993CN1069424A Chemical purifying apparatus for chimney exhaust gas
03/03/1993CN1019950C Process for desulphurization of coke-oven gas
03/03/1993CN1019949C Reactor for reducing content of nitrogen oxide and sulphur oxide in combustion gas
03/03/1993CN1019948C Method of inhibiting adhesion of by-producct inside duct in treatment of waste gas by electron beam irradiation
03/02/1993US5191154 Method and system for controlling chemical reaction in a molten bath
03/02/1993US5190908 Multilayer bed, gold or silver layer, layer of alumina pellets impregnated with copper oxide, hydroxide and sulfide
03/02/1993US5190806 Liquid-penetration-resistant sorbent laminate
03/02/1993US5190668 Stripping, oxidation catalyst on hydrophobic support
03/02/1993US5190667 Separation of gases and solutes by augmented diffusion in counterflow
03/02/1993US5190662 Flowing solutions over a bed
03/02/1993US5190569 Purification apparatus for pneumatic systems
03/02/1993US5190451 Emission control fluid bed reactor
03/02/1993US5189876 Exhaust gas purification system for an internal combustion engine
03/02/1993CA1314006C Gas dehydration membrane apparatus
03/02/1993CA1313939C Desulphurisation by using separation stage for producing concentrate steam having high sulphur compound's content
02/1993
02/28/1993CA2076454A1 Pressure swing adsorption for hydrogen with high productivity
02/27/1993CA2068392A1 Separation of pollutants from flue gas of fossil fuel combustion and gasification
02/25/1993DE4128106A1 Removing condensed poly-cyclic hydrocarbon(s) from waste flue gas - by adsorption on a solid de-aluminised zeolite using specified silica-alumina ratio
02/25/1993DE4127988A1 Acetylene absorption from crude ethylene@ and opt. ethane gas mixt. - in plate column with mixing zone for absorbent and liquefied prod. to prevent frothing
02/25/1993DE4127987A1 Acetylene absorption from crude ethylene@ and opt. ethane gas mixt. - in plate column with external mixer for absorbent and condensed prod. to prevent frothing
02/24/1993EP0528709A1 Process for separating a gas mixture by means of absorption
02/24/1993EP0528110A1 Process for the biological purification of exhaust air
02/24/1993EP0527989A1 Process and device for separting gases by surface diffusion.
02/24/1993EP0527984A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances
02/24/1993EP0527968A1 Device for the recombination of hydrogen and oxygen and the use of said device.
02/24/1993CN1069320A Compressed air drying process
02/24/1993CN1069259A Purification of 1,1,1,2-tetrafluoroethane
02/24/1993CN1069206A Producing oxygen enriched product stream
02/24/1993CN1069205A Gas separation process
02/24/1993CN1069204A Equipment for separation of gases
02/23/1993US5188811 Molybdenum-based additives to mixed-metal oxides for use in hot gas cleanup sorbents for the catalytic decomposition of ammonia in coal gases
02/23/1993US5188645 Method and apparatus for dew point adjustment using dry dehumidifier
02/23/1993US5188644 Filter, bag and method
02/23/1993US5188041 Apparatus and method for low temperature thermal stripping of volatile organic compounds from soil and waste materials with non-oxidative co-current gases
02/23/1993CA1313825C Exhaust gas processing apparatus for paint drying oven
02/20/1993CA2075129A1 Collection device for gaseous emissions
02/20/1993CA2049507A1 Pressurization psa systems for the production of high purity product gas
02/18/1993WO1993002969A1 High temperature wet oxidation using sintered separators
02/18/1993WO1993002961A1 Removal of hydrogen sulphide
02/18/1993WO1993002775A1 Process for producing a catalyzer for removing nitrogen oxides from waste gas
02/18/1993WO1993002774A1 Process of producing calcium hydroxide for fluidized bed absorption
02/18/1993WO1993002773A1 Method of purifying flue gases containing high concentrations of mercury
02/18/1993WO1993002771A1 A method and an apparatus for cleaning extensive air volumes containing low concentrations of pollutants of hydrocarbons
02/18/1993WO1993002751A1 Method and system for controlling chemical reaction in a molten bath
02/18/1993WO1993002716A1 Room air purifier
02/18/1993WO1992022449A3 Air dryer purge cycle timing control
02/18/1993WO1992020432A3 Process and device for the removal of ethylene oxide gas
02/18/1993DE4127075A1 Verfahren zum reinigen von belasteten abgasen von verbrennungsanlagen Incinerators method for cleaning of contaminated waste gases from
02/18/1993DE4127006A1 Assembly to regenerate carbonaceous-laden adsorbents - includes stacked moving layers of adsorbent subjected to contra:flows of anaerobic gases and joined by channel of smaller cross=section than that of layers, etc.
02/18/1993CA2114431A1 Removal of hydrogen sulphide