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

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)
10/1997
10/30/1997	CA2252384A1 Control systems for operating gas cleaning devices
10/29/1997	EP0803685A1 Process and apparatus for dehumidification and VOC odour remediation
10/29/1997	EP0803643A1 Exhaust gas catalyst
10/29/1997	EP0803280A2 Gas exchange apparatus
10/29/1997	EP0803279A1 Autothermic catalytic process for deodorizing and denitrating polluting waste
10/29/1997	EP0803278A1 Integrated catalytic/non-catalytic process for selective reduction of nitrogen oxides
10/29/1997	EP0803277A2 Apparatus for gas-liquid contact
10/29/1997	EP0803275A1 Air filter
10/29/1997	EP0803042A1 Waste gas purification device
10/29/1997	EP0802824A1 Catalytic composition based on cerium oxide and manganese, iron or praseodymium oxide, method for preparing same and use thereof in motor vehicle post-combustion catalysis
10/29/1997	EP0744990B1 Process for removing ethylene oxide from outgoing air or exhaust gas streams
10/29/1997	EP0549756B1 Gas scrubbing device, in particular for flue gas
10/29/1997	CN2265850Y High wind rate waste gas handling adsorption tower
10/29/1997	CN1163653A Process and device for producing honeycomb body, especially catalyst substrate with housing
10/29/1997	CN1163233A Permanent magnet-driven automatic environment protection equipment
10/29/1997	CN1036250C Deodouring catalyst body and process for preparing them
10/29/1997	CN1036247C Using flue gas energy to vaporize aqueous reducing agent for reduction of NOX in flue gas
10/29/1997	CN1036246C Reactor for reducing sulfur oxides emissions in combustion process
10/29/1997	CN1036245C Low temperature methanol cleaning method
10/29/1997	CN1036244C Apparatus for oxygen enrichment of air
10/28/1997	US5682317 Virtual emissions monitor for automobile and associated control system
10/28/1997	US5681788 Catalysts for the purification of exhaust gas
10/28/1997	US5681540 Process for the recovery of sulfur from a feed stock
10/28/1997	US5681536 Injection lance for uniformly injecting anhydrous ammonia and air into a boiler cavity
10/28/1997	US5681533 Comprising ozone generator, dust collector, deodorizing catalyst and acid gas absorbers, ozone meter
10/28/1997	US5681503 Flat sheet CO2 sorbent
10/28/1997	US5681433 Membrane dehydration of vaporous feeds by countercurrent condensable sweep
10/28/1997	US5681376 Rotating flow distributor assembly for use in continuously distributing decontamination and regeneration fluid flow
10/28/1997	US5681373 Separating oxygen from gas mixture
10/28/1997	US5681371 Detoxification utilizing a rotating hollow cylinder partially immersed in water, draw the gas through the interior of cylinder
10/28/1997	US5681370 Air dryer system
10/28/1997	US5681369 Apparatus and method for recovering volatile liquid
10/28/1997	US5681368 Controlled flow rate of dehumidified air expelled from membrane cartridge to maintain constant pressure of supply air to receiving system
10/28/1997	US5681360 Landfill gas recovery
10/28/1997	US5680884 Rectifying device
10/28/1997	CA2138862C Adsorbent production with lithium recovery
10/28/1997	CA2065467C Method and apparatus for removing sulfur dioxide from gas streams
10/25/1997	CA2195901A1 Separation apparatus
10/23/1997	WO1997039490A2 Thermally enhanced compact reformer
10/23/1997	WO1997039281A1 A method of combustion and a combustion plant in which absorbent is regenerated
10/23/1997	WO1997039226A1 AMMONIA INJECTION IN NOx CONTROL
10/23/1997	WO1997039085A1 Lubricating oil dewaxing with membrane separation
10/23/1997	WO1997038943A2 Apparatus and method for oxidizing organic materials
10/23/1997	WO1997038784A1 Apparatus and process for removal of hydrogen sulfide
10/23/1997	WO1997038783A1 Adsorbent packet for air conditioning accumulators
10/23/1997	WO1997038773A1 Method for determining saturation of carbon filters in a gas treatment process
10/23/1997	DE19628796C1 System for removal of nitrogen oxide(s), carbon mon:oxide, etc. from engine exhaust gases
10/23/1997	DE19615645A1 Vorrichtung zum Verteilen von Flüssigkeit in Stoffaustauschkolonnen An apparatus for distributing liquid in material exchange columns
10/23/1997	DE19615547A1 Controlling hydrocarbon enrichment of diesel engine exhaust gas
10/23/1997	DE19615501A1 Chemical oxygen generator
10/23/1997	DE19615270A1 Wash-water pipe distribution system in flue gas cleaning vessel
10/23/1997	CA2251835A1 Adsorbent packet for air conditioning accumulators
10/23/1997	CA2251736A1 Method for determining saturation of carbon filters in a gas treatment process
10/22/1997	EP0802315A2 An exhaust gas purification device for an internal combustion engine
10/22/1997	EP0801979A1 Catalyst for purifying fumigation exhaust gas and purification method of fumigation exhaust gas
10/22/1997	EP0801978A1 Heat treated activated carbon for denitration, process for preparing the same, method of denitration using the same, and system of denitration using the same
10/22/1997	EP0801972A1 Exhaust emission control catalyst
10/22/1997	EP0801971A1 Waste gas and dust treatment method
10/22/1997	EP0801970A1 Washing liquid circuit for waste gas scrubbers
10/22/1997	EP0801633A1 Method for oxidising h 2?s to sulphur
10/22/1997	EP0801632A1 Method for removing virtually all the sulphur compounds h2s, so2, cos and/or cs2 from sulphur plant waste gases, and recovering such compounds as sulphur
10/22/1997	EP0662940B1 Process for converting 1,1,2-trichloroethane to vinyl chloride and/or ethylene
10/22/1997	EP0652859B1 Improved process for separating and recovering halocarbons from mixtures thereof
10/22/1997	EP0643624B1 Method for impregnating catalyst support with platinum
10/22/1997	CN2265237Y Tower for purifying waste gas
10/22/1997	CN2265236Y Internal-heating dryer for reproduced gas
10/22/1997	CN1162501A Diesel catalytic converter
10/22/1997	CN1162500A Large capacity vacuum pressure swing adsorption process and system
10/22/1997	CN1036177C Method and apparatus for drying and purifying gas
10/21/1997	US5679316 Activated carbon, production thereof and adsorption using activated carbon
10/21/1997	US5679314 Method for recovering ammonia adsorbent
10/21/1997	US5679313 Ammonia decomposition catalysts
10/21/1997	US5679290 Packed absorption towers
10/21/1997	US5679238 Method for producing sulfuric acid from flue gas desulfurization
10/21/1997	US5679134 Device and process for the separation of gas by adsorption
10/21/1997	US5679133 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
10/21/1997	US5679132 Method and system for injection of a vaporizable material into a molten bath
10/21/1997	US5678625 Method and apparatus for a regenerative heat exchanger for the treatment of pollutant-containing waste gases
10/21/1997	US5678576 Apparatus for treating environmental tobacco smoke (ETS) particle and gas-phase contaminants
10/21/1997	US5678493 For removal of entrained particulate matter by an electrostatic precipitator
10/21/1997	US5678423 Compressing voc-containing gas, injecting into biphase rotary separation turbine to separate inert gases, venting inert gas, depressurizing
10/21/1997	US5678403 Adsorption apparatus for unburnt hydrocarbons for internal combustion engine
10/21/1997	CA2085180C Nitrogen adsorption with a ca and/or sr exchanged lithium x-zeolite
10/16/1997	WO1997037933A1 Composite oxide having oxygen absorption and release capabilities and process for preparing the same
10/16/1997	WO1997037761A1 Exhaust gas purifying catalyst and exhaust gas purifying method
10/16/1997	WO1997037760A1 Perovskite-type metal oxide compounds
10/16/1997	WO1997037756A1 An improved clean, stiff, washable, compact adsorbent filter assembly
10/16/1997	WO1997037754A1 REDUCTION OF NOx EMISSIONS FROM ROTARY CEMENT KILNS BY SELECTIVE NONCATALYTIC REDUCTION
10/16/1997	WO1997037750A1 Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst
10/16/1997	WO1997037749A1 Catalyst for removing the nitrogen from gases
10/16/1997	WO1997037748A1 Process and device in so-called biofilters, and device for moistening same
10/16/1997	WO1997037747A1 Device for discharging and distributing an absorbent material in a flue gas duct
10/16/1997	DE19640074C1 Scrubber tower for flue gas desulphurisation with improved sprayer support
10/16/1997	DE19631873C1 Apparatus for purifying waste gases
10/16/1997	DE19616128A1 Chloride content control process for gypsum produced by waste gas desulphurisation
10/16/1997	DE19616127A1 Sulphur removal from flue gases
10/16/1997	DE19614705A1 Rotary filter, using activated charcoal
10/16/1997	DE19614306A1 Treating highly polluted industrial waste water, especially waste tips water
10/16/1997	DE19614058A1 Contaminated soil heated and agitated within low-pressure chamber
10/16/1997	CA2251473A1 Device for discharging and distributing an absorbent material in a flue gas duct

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