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)
06/1995
06/06/1995US5422086 Contacting the gas with a ferric complex to form sulfur and a ferrous complex which is oxidized by both a concurrent and cocurrent stream of oxygen before reuse
06/06/1995US5422085 Reducing nitrogen oxide emissions by contacting exhaust with silver catalyst supported on nickel coated foam in presence of reducing agent
06/06/1995US5422083 Reinforced converter body
06/06/1995US5422082 Electrically heatable catalytic converter
06/06/1995US5422062 Method of manufacturing deodorizing filter
06/06/1995US5421998 Apparatus for reverse-injection wet oxidation
06/06/1995US5421861 Scrubbing method and apparatus incorporating progressively increased gas velocity
06/06/1995US5421860 Sorption of organic compounds from fluids
06/06/1995US5421843 Apparatus for removing emissions
06/06/1995US5421163 Separating air by cryogenic distillation to provide pure nitrogen, modifying residual gas by adding air or withdrawing gas, treating by adsorption to provide pure oxygen
06/06/1995US5421155 Hydraulic drive system for hydraulic working machines
06/06/1995CA1335806C Reactive bed plasma air purification
06/05/1995CA2137175A1 Process for accelerating the rate of heating of fixed bed catalysts by supplying supplementary energy
06/01/1995WO1995014598A1 Drying cartridge for air drying installations, especially for vehicle air-brake systems
06/01/1995WO1995014523A1 Energy-saving process for the sorption of organic compounds from gases
06/01/1995DE4411655C1 Disposal appts. for explosives with(out) metallic components
06/01/1995DE4340065A1 Verfahren zum Regenerieren eines hygroskopischen Materials in einem Wäschetrockner A method for regenerating a hygroscopic material in a tumble dryer
05/1995
05/31/1995EP0655595A2 Recovery of volatile organic compounds from gas streams
05/31/1995EP0655594A1 Deodorizing device for refrigerator
05/31/1995EP0655492A2 Catalytic cracking process
05/31/1995EP0655414A1 A process for removing elemental sulfur from a gas stream
05/31/1995EP0655273A2 Process for purification of gases and exhaust gases
05/31/1995EP0655272A1 Process and installation for nitrogen provision by semipermeable membranes using a variable membrane geometry
05/31/1995EP0655271A1 Apparatus and process for removing emissions by condensation and precipitation
05/31/1995EP0655270A1 Energy efficient apparatus for removing emissions
05/31/1995EP0655103A1 Exhaust gas preheating system
05/31/1995EP0655014A1 Catalytic incineration of organic compounds.
05/31/1995EP0655013A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
05/31/1995EP0654968A1 Anti-microbial composition
05/31/1995CN2198967Y Long-lasting reduction type adsorber for peculiar smell
05/31/1995CN2198965Y Composite atomized water type purifier for smoke and dust
05/31/1995CN1103154A A gas combuster/reactor
05/31/1995CN1103008A Spray tower and method for cooling, moistening and/or purifying gas
05/31/1995CN1103005A Liquid dispensor used for material and/or heat exchange tower
05/31/1995CN1028611C Sulfonated hexafluoro bis-a-polysulfone membranes and process for fluid separation
05/31/1995CA2136507A1 Recovery of volatile organic compounds from gas streams
05/30/1995US5419891 Zinc cation exchanged lithium X-zeolite for nitrogen adsorption
05/30/1995US5419885 Method for the destructive scrubbing of methyl chloride gas
05/30/1995US5419884 Regenerative mercury removal process
05/30/1995US5419878 Exhaust purifying device
05/30/1995US5419877 Removal of gas borne solids in a thermal treatment process
05/30/1995US5419876 Heat storage
05/30/1995US5419834 Precipitating agent for the precipitation of heavy metals
05/30/1995US5419286 Generated by the combustion of hydrocarbons
05/30/1995US5419124 Automotive engine exhaust aftertreatment system including hydrocarbon adsorber with sample processing oxygen sensor regeneration control
05/30/1995US5419123 Emission control device and method
05/30/1995CA2131204A1 Apparatus for removing emissions by condensation and precipitation
05/30/1995CA2131203A1 Energy efficient apparatus for removing emissions
05/30/1995CA2131202A1 Energy efficient process for removing emissions
05/27/1995CA2136659A1 Nitrogen supplier process and installation with semi-permeable membranes using a variable membrane geometry
05/26/1995WO1995014160A1 Heatable catalytic converter with hydrocarbon trap for exhaust-gas systems
05/26/1995WO1995013984A1 Method and apparatus for reducing hydrocarbon emissions from a fuel storage tank
05/26/1995WO1995013868A1 Method of manufacturing active cokes for simultaneous desulfurization and denitration processes
05/26/1995WO1995013866A1 Countercurrent gas-solid contacting
05/26/1995WO1995013857A1 Simultaneous sorption of water and organic compounds
05/26/1995CA2173859A1 Countercurrent gas-solid contacting
05/24/1995EP0654643A1 Process and installation for the distillation of air
05/24/1995EP0654565A2 Raw sewage disposal apparatus
05/24/1995EP0654441A1 Process for purifying sulfur oxides-containing gas
05/24/1995EP0654439A1 Improved vacuum pressure swing adsorption process
05/24/1995EP0654296A1 Desulfurizing and denitrating tower
05/24/1995EP0654295A2 Process and device for eliminating solvent vapeurs from exhaust air
05/24/1995EP0653962A1 METHOD FOR REDUCING AUTOMATIVE NO x? EMISSIONS IN LEAN BURN INTERNAL COMBUSTION ENGINE EXHAUST USING ZEOLITES
05/24/1995EP0653956A1 Catalytic ozone converter.
05/24/1995EP0653955A1 Method of conditioning flue gases.
05/24/1995EP0653948A1 A process for the destruction of halocarbons.
05/24/1995EP0567473B1 Process for treatment of a fluid
05/24/1995EP0333836B1 Process for nitrogen oxides reduction and minimization of the production of other pollutants
05/24/1995DE4339777A1 Process and apparatus for reducing metallic mercury content of flue gases
05/24/1995DE4339622A1 Highly dispersed slaked lime prodn.
05/24/1995DE4339456A1 Assembly for controlling recirculatory flow of air and water
05/24/1995CN1102792A Method and apparatus for treating waste gas
05/24/1995CN1028493C Novel solid multi-component membranes
05/23/1995US5417957 Divalent cation exchanged lithium X-zeolite for nitrogen adsorption
05/23/1995US5417950 Absorption of nitrogen dioxide from nitric oxide with zeolites
05/23/1995US5417949 Reduction to nitrogen and water using zeolite catalyst binded titania
05/23/1995US5417948 Process for cleaning harmful gas
05/23/1995US5417947 System and method for removing hydrocarbons from gaseous mixtures
05/23/1995US5417946 Desulfurization, manganese oxides as catalysts
05/23/1995US5417942 Process for trapping gaseous ruthenium on polyvinyl pyridine, more particularly usable for recovering radioactive ruthenium from irradiated nuclear fuels
05/23/1995US5417935 Catalyst bed removal by rolling; indented frame receives wheels in installed position with downward facing edge in sealing engagement
05/23/1995US5417934 Dry exhaust gas conditioning
05/23/1995US5417921 Method for removing fumigation gases from fumigated structures
05/23/1995US5417845 Use of decahydro pyrazino [2,3-b] pyrazine for the reduction of the proportion of free or combined hydrogen sulphide present in a fluid
05/23/1995US5417832 Enhancing performance of perfluorinated ionomer membranes via dopant incorporation, method of making thereof and the membrane
05/23/1995US5417743 Purifiers for sensitive instruments
05/23/1995US5417742 Removal of perfluorocarbons from gas streams
05/23/1995US5417062 Heatable catalytic converter configuration for cleaning the exhaust gases of internal combustion engines
05/23/1995US5416982 Moisture sealing apparatus for powdery brazing flux
05/20/1995CA2136132A1 Process and apparatus for air distillation
05/20/1995CA2136043A1 Raw sewage disposal apparatus
05/18/1995WO1995013340A1 A method of reducing hydrogen halide(s) content in synthesis gas
05/18/1995WO1995013128A1 Absorption of mercaptans
05/18/1995WO1995013127A1 The use of hydrophobic zeolites for cleaning air
05/18/1995WO1995013122A1 Chemically impregnated zeolite and method for chemically impregnating and coating zeolite
05/18/1995DE4339072A1 Removal of mercury and mercury cpds. from incinerator flue gas together with other harmful substances
05/18/1995DE4338928A1 Cleaning of gas stream by adsorption of harmful substances
05/18/1995CA2176354A1 A method of reducing hydrogen halide(s) content in synthesis gas
05/17/1995EP0653238A1 Catalyst for purifying exhaust gases and process for purifying exhaust gases
05/17/1995EP0653237A1 Process for reducing the concentration of nitrogen oxides in the exhaust gas of combustion engines or incinerators