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)
01/1996
01/02/1996US5480621 Electrically conductive honeycomb as an exhaust gas catalyst carrier body
01/02/1996US5480619 System for removing so2 from a flue gas
01/02/1996US5480539 Arrangement for reducing the moisture content of sludge
01/02/1996US5480538 Apparatus for treating waste water oxidation ponds to abate malodors
01/02/1996US5480524 Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines
01/02/1996US5480475 Vapor recovery system
01/02/1996US5480463 Apparatus for flue gas cleaning
01/02/1996US5479700 Design and manufacturing method for a solid electrolyte ion conducting device
12/1995
12/29/1995CA2150529A1 Method and apparatus for continuously separating mercury from flowing gases
12/28/1995WO1995035353A1 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams
12/28/1995WO1995035153A2 Mass transfer method and apparatus
12/28/1995WO1995035152A1 Layered catalyst composite
12/28/1995WO1995035151A1 Oxidation catalyst
12/28/1995WO1995035150A1 Absorption dryer
12/28/1995WO1995035149A1 Method and apparatus for purification of ventilating air
12/28/1995WO1995035148A1 Regenerable manganese-based sorbent pellets
12/28/1995WO1995035147A1 Treatment of contaminants
12/28/1995WO1995035146A1 High-efficiency metal membrane getter element and process for making
12/28/1995CA2193821A1 Mass transfer method and apparatus
12/28/1995CA2192646A1 Method and apparatus for purification of ventilating air
12/28/1995CA2192176A1 Layered catalyst composite
12/28/1995CA2191963A1 Oxidation catalyst
12/28/1995CA2152723A1 Pressure variation adsorption process for the treatment of a gas mixture
12/27/1995EP0688597A1 Separation of chemical species of a mixture using vortex separation
12/27/1995EP0688596A1 Recovery of substances from exhaust streams
12/27/1995EP0688374A1 A method of separating sulphur compounds
12/27/1995EP0688241A1 Method and system for steam-reforming of liquid or slurry feed materials
12/27/1995EP0688239A1 Process and device for utilizing the energy of flue gasses from coal-fired power stations
12/27/1995EP0688238A1 Method and apparatus for cleaning flue gas
12/27/1995EP0688237A1 Separation of solutes in gaseous solvents
12/27/1995EP0514543B1 Sewage purification apparatus
12/27/1995CN2215947Y Catalyst device for treatment of waste gas from enamel-insulated wire maker
12/27/1995CN1114101A Method and apparatus for separating nitrogen-rich gas
12/27/1995CN1113883A Ash ammonia scrubbing
12/27/1995CN1113826A Process for improving the performance of an electrostatic precipitator
12/27/1995CN1113824A Method for physical absorption and recovery of acid gas
12/27/1995CN1113823A Improved pressure changeable adsorption air-separating technology and equipment
12/27/1995CN1030560C Production method of de-ozone slice for copier
12/26/1995US5478542 Using urea as reducing agent for NOx by selective gas phase reaction
12/26/1995US5478541 Separately removing mercaptans and hydrogen sulfide from gas streams
12/26/1995US5478536 Method and system for removing sulphide(s) from sour gas
12/26/1995US5478534 Apparatus including means for removing carbon monoxide and/or hydrogen comprising metal on particulate support in both on stream and regeneration enclosures, bed for removing water vapor and carbon dioxide, distillation column
12/26/1995US5478532 Large scale purification of contaminated air
12/26/1995US5478531 Having layer of carbon particles or carbon fibers to absorb sound and convert nitrogen oxides to nitrogen and oxygen
12/26/1995US5478530 Hot mix asphalt plant with catalytic reactor
12/26/1995US5478528 Hazardous gas sensor; iron oxide with palladium particles, reducing operating temperature of catalyst
12/26/1995US5478507 Gas-liquid contacting apparatus with valved downcomer
12/26/1995US5478481 Method of treating water containing organic chlorine compounds
12/26/1995US5478449 Detoxification of waste gas by straying with electrically pretreated water having a reduced oxidation-reduction potential; air pollution control
12/26/1995US5478447 Method for producing an aqueous industrial sodium chloride solution
12/26/1995US5478444 Composite mixed ionic-electronic conductors for oxygen separation and electrocatalysis
12/26/1995US5478379 Air purification conversion cartridge for dehumidifier
12/26/1995US5477692 Metal sponge for cryosorption pumping applications
12/26/1995US5477684 For cleaning polluted air, generating electrical power and producing water
12/21/1995WO1995034379A1 Chromium catalyst and catalytic oxidation process
12/21/1995WO1995034378A1 Molecular sieve, and method and device for manfuacturing it
12/21/1995WO1995034372A1 Landfill gas treatment system
12/21/1995WO1995034371A1 Method and device for the removal of ammonia from a gas
12/21/1995WO1995034370A1 Gas-liquid contact gas dispersion pipe, and gas-liquid contact method and apparatus using the same
12/21/1995WO1995034369A1 Method and device for precipitating vapourized alkali-metal and heavy-metal compounds from hot combustion gases
12/21/1995DE4421059A1 Industrial gas emission cleaning
12/20/1995EP0687546A2 Process for making a hollow body with internal supporting frame
12/20/1995EP0687499A1 Spinal catalyst and process for its preparation
12/20/1995EP0687495A2 Catalyst for purifying exhaust gas from lean burn engine and method for purification
12/20/1995EP0687494A1 Cleaning method for exhaust gas
12/20/1995EP0630279B1 Polyalkyleneimine or polyallylamine coated material
12/20/1995EP0476055B1 Apparatus for distributing liquid in gas-liquid contact apparatus, and method for making it
12/20/1995CN2215342Y Ceramic multi-tube dust cleaner for fumes desulfuration
12/20/1995CN2215341Y Air purifier
12/20/1995CN1113452A Spinel based catalysts for reducing emissions of oxides of nitrogen
12/19/1995US5476986 Precooling, compression, washing with crude oil under pressure
12/19/1995US5476828 Catalyst and catalytic reduction
12/19/1995US5476539 Gas purifying apparatus
12/19/1995US5476537 Separation of chemical species of a mixture using vortex separation
12/19/1995CA2036888C Catalyst for purification of exhaust gas from diesel engine
12/19/1995CA2025612C Gas separation by semi-permeable membranes
12/16/1995CA2151766A1 Method of producing a hollow body with an internal supporting frame
12/14/1995WO1995033682A1 Process and filter for producing no2-free nitrogen monoxide with sulphurous polymers
12/14/1995WO1995033681A1 Oxygen generating method based on pressure variation adsorption separation
12/14/1995WO1995033585A1 Device and method for heat dechlorinating collected dust and ash
12/14/1995WO1995033560A1 Catalyst for the deep oxidation of organic compounds and carbon monoxide
12/14/1995WO1995033556A1 Purification of air in enclosed spaces
12/14/1995WO1995033552A1 Improved entrainment separator for high velocity gases and reheating of scrubber gases
12/14/1995WO1995033547A1 Improved wet scrubbing method and apparatus for removing sulfur oxides from combustion effluents
12/14/1995DE4426391C1 Complete gas-phase hydrodechlorination of chloro-hydrocarbon(s)
12/14/1995DE4420614A1 Molekularsieb und Verfahren und Vorrichtung zum Herstellen eines solchen Molecular sieve and method and apparatus for producing such
12/14/1995DE4420086A1 Modified polymer membrane for gas permeation, nano-filtration, etc.
12/14/1995DE4419860A1 Verfahren und Filter zur Herstellung von NO¶2¶-freiem Stickstoffmonoxid mit schwefelhaltigen Polymeren Technology and process for the production of NO¶2¶-free nitric oxide with sulfur-containing polymers
12/14/1995CA2192069A1 Process and filter for producing no2-free nitrogen monoxide with sulphurous polymers
12/14/1995CA2191796A1 Purification of air in enclosed spaces
12/14/1995CA2190965A1 Improved entrainment separator for high velocity gases and reheating of scrubber gases
12/14/1995CA2190868A1 Improved wet scrubbing method and apparatus for removing sulfur oxides from combustion effluents
12/13/1995EP0686810A2 Process for separating fines from combustion gases before or after wet desulphurization
12/13/1995EP0686423A2 Ammonia decomposition catalysts
12/13/1995EP0686422A1 Humidity absorbing device
12/13/1995EP0686085A1 Process of making microporous pps membranes
12/13/1995EP0553337B1 Process for the purification of contaminated exhaust gases from incineration plants
12/13/1995EP0548255B1 Process for removing nitrogen oxides from gas streams
12/13/1995EP0491931B1 COMPOSITE CLAY MATERIALS FOR REMOVAL OF SOx FROM GAS STREAMS
12/13/1995EP0483201B1 Treatment of NOx and Oxygen containing gaseous effluents with catalytical compositions based on Cu exchanged Y Zeolites