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)
05/1998
05/26/1998US5756053 System and method for abatement of food cooking fumes
05/26/1998US5756052 Flue gas treatment system
05/26/1998US5755977 Geothite catalyst
05/26/1998US5755960 Distributor allowing independent injection and/or removal of fluids
05/26/1998US5755952 Placing material in high and low temperature active gas atmospheres to expand and contract
05/26/1998US5755857 Purification apparatus
05/26/1998US5755856 Process of recovering oxygen-enriched gas
05/26/1998US5755855 Separation process combining condensation, membrane separation and flash evaporation
05/26/1998US5755854 Tank ullage pressure control
05/26/1998US5755840 Method for providing oxygen in gas process
05/26/1998CA2058662C Diesel engine exhaust gas-purifying catalyst
05/22/1998WO1998021525A1 Method for burning waste and fossil fuels by combining a large furnace with an incinerator and system for carrying out the method
05/20/1998EP0842900A1 Composite oxide having oxygen absorption and release capabilities and process for preparing the same
05/20/1998EP0842847A1 Air supply system for aircraft pressure cabins
05/20/1998EP0842700A1 Exhaust gas purifying catalyst with improved hydrocarbon conversion
05/20/1998EP0842697A1 Binder free molecular sieve zeolite granulates containing lithium zeolite A and lithium zeolite X
05/20/1998EP0842693A1 Device and process for purifying exhaust gas
05/20/1998EP0842692A1 Catalyst for purifying exhaust gas emitted from diesel engine
05/20/1998EP0842691A1 Method and installation for the separation of a gas mixtureby pressure swing adsorption
05/20/1998EP0842308A1 Electrochemical recovery of hydrogen halides using membrane
05/20/1998EP0841981A1 Diesel engine exhaust gas catalyst and method of use
05/20/1998EP0841980A1 Device and method for purifying a gas or vapour flow
05/20/1998EP0765369A4 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams
05/20/1998CN2281834Y Desulfurizing and dust-removing device for boiler smoke
05/20/1998CN2281831Y Ceramic desulfurizing dust-removing device
05/20/1998CN1182407A UV-reflector forming a part of a UV-device for purification of liquid or gas, preferably water
05/20/1998CN1182376A Method of abating Nox and preparation of catalytic material therefor
05/20/1998CN1181991A O2/CO removal from inert gas by adsorption on porous metal oxide
05/19/1998US5753582 V/Mo/W catalysts for the selective reduction of nitrogen oxides
05/19/1998US5753580 Exhaust emission control catalyst comprising cerium
05/19/1998US5753345 A glass fiber sheet impregnated with silica sol coatings; heat exchanger; dehumidification, deodorizing
05/19/1998US5753198 Hot coal gas desulfurization
05/19/1998US5753197 Method of purifying emissions
05/19/1998US5753192 Zirconia and sulfate in NOx traps to improved trapping and sulfur tolerance
05/19/1998US5753189 Method and apparatus for controlling sulfur concentration in liquid redox sulfur removal processes
05/19/1998US5753188 Apparatus for purifying the exhaust gas of diesel engines
05/19/1998US5753087 Multi-electrode corona discharge pollutant destruction apparatus and method
05/19/1998US5753013 Gas drying apparatus and method
05/19/1998US5753012 Quenching, scrubbing
05/19/1998US5753011 Operation of staged adsorbent membranes
05/19/1998US5753010 Hydrogen recovery by pressure swing adsorption integrated with adsorbent membranes
05/19/1998US5753009 Using permselective membrane fractionation
05/19/1998US5753007 Oxygen production by ion transport membranes with non-permeate work recovery
05/19/1998US5752994 Black liquor gasifier
05/19/1998US5752538 Liquid distributor for packed columns
05/19/1998CA2082937C Catalysts for the destruction of halogenated organics
05/14/1998WO1998020238A1 Emission control system
05/14/1998WO1998019790A1 Desiccation using polymer-bound desiccant beads
05/14/1998WO1998019777A2 Membrane module for substance-specific fluid treatment
05/14/1998WO1998019776A1 Horizontal regenerative catalytic oxidizer
05/14/1998WO1998019775A1 Method and device for cleaning exhaust air by separating particles and pollutant gases
05/14/1998WO1998019774A1 Method and composition for removing sulfides from fluid streams
05/14/1998WO1998019773A1 METHOD FOR REDUCING NOx FROM EXHAUST GASES PRODUCED BY INDUSTRIAL PROCESSES
05/14/1998DE19646791A1 Xenon-enrichment apparatus
05/14/1998DE19646646A1 Process and arrangement for controlled addition of a nitrogen oxide reduction medium
05/14/1998DE19645835A1 Gas scrubbing method for removing nitrogen containing gases
05/14/1998DE19645823A1 Automotive passenger cabin air cleaner
05/14/1998CA2270954A1 Desiccation using polymer-bound desiccant beads
05/14/1998CA2270926A1 Emission control system
05/14/1998CA2269476A1 Method and composition for removing sulfides from fluid streams
05/13/1998EP0841091A2 Entirely metallic catalyst and process for producing it
05/13/1998EP0841086A1 Hollow fiber membrane device with inert filaments randomly distributed in the inter-fiber voids
05/13/1998EP0840839A1 Improved combined electrically heatable converter body
05/13/1998EP0840838A1 Process and device for decompositing nitrogen oxides in internal combustion engine exhaust gases
05/13/1998EP0840709A1 Claus sulphur production process and installation
05/13/1998EP0840708A1 Method for purifying hydrogen based gas mixtures using a lithium exchanged x zeolite
05/13/1998EP0840686A1 Air dryer cartridge mounting system
05/13/1998EP0703819B1 Method of making composite gas separation membranes
05/13/1998EP0662862B1 Palladium-containing three-way automotive catalysts having unique support
05/13/1998CN2281208Y High performace continuous purifier for toxic gases
05/13/1998CN1181743A Liquid phase conversion of a source of sulfur dioxide to sulfuric acid
05/13/1998CN1181717A Process and device for the conversion of a greenhouse gas
05/13/1998CN1181716A Fluid storage and delivery system comprising high work capacity physical sorbent
05/13/1998CN1181452A Method of making catalytic converter for use in internal combustion engine
05/13/1998CN1181436A Alkali reclaiming method of using flue-gas acidized black liquid
05/13/1998CN1038312C Dry processes for treating combustion exhaust gas
05/13/1998CN1038311C Improved complex iron process to remove sulfide from gas mixture
05/12/1998US5750823 Process and device for destruction of halohydrocarbons
05/12/1998US5750461 Silver or silver salt
05/12/1998US5750460 Catalyst and process for its production
05/12/1998US5750279 Series planar design for solid electrolyte oxygen pump
05/12/1998US5750084 Adsorption of exhaust gas nitrogen monoxide onto carbon fines adhered to fluidized particles, oxidation to nitrogen dioxide followed by rapid decomposition to nitrogen and carbon dioxide by reacting with carbon
05/12/1998US5750083 Method for the removal of hydrogen sulfide present in gases
05/12/1998US5750082 Nox trap with improved performance
05/12/1998US5750076 Apparatus for the two-stage selective oxidation of carbon monoxide in a hydrogen-containing gas mixture
05/12/1998US5750026 Monolithic porous particulate filter with a coating of activated carbon on outer surface
05/12/1998US5749944 Process and apparatus for the removal of dimethyl ester vapors or particles emitted during the storage of dimethyl esters
05/12/1998US5749943 Polyimide resins for separation of olefins from hydrocarbons
05/12/1998US5749942 Apparatus for extracting a gas from a liquid and delivering the gas to a collection station
05/12/1998US5749941 Method for gas absorption across a membrane
05/12/1998US5749928 Mixing with fuel additive
05/12/1998US5749651 Combined feed and mixing device
05/12/1998CA2028391C Method for introducing a treatment medium into the waste gas flow in combustion processes
05/12/1998CA2028384C Method for introducing a treatment medium into the waste gas flow in combustion processes
05/11/1998CA2220652A1 Exhaust gas purification catalyst with improved hydrocarbon conversion
05/07/1998WO1998018542A1 Gas dehydration process
05/07/1998WO1998018541A1 Container of a drying unit involving an adsorbent
05/07/1998WO1998018540A1 Method and apparatus for rejuvenating contaminated filter elements
05/07/1998WO1998018538A2 Adsorption drying unit, and process and device for checking the operating state of same
05/07/1998DE19646766A1 Verfahren und Vorrichtung zur Reinigung der Abluft von Partikeln und Schadgasen Method and apparatus for cleaning the exhaust air of particles and harmful gases