Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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)
10/1996
10/09/1996CN1032956C Air purifier for toxic gases in underground construction engineering
10/09/1996CN1032955C Dust-removing device
10/08/1996US5564065 Fibrous web coated with titanium dioxide and ultraviolet light source in air duct to photocatalytically convert carbon monoxide to carbon dioxide, for heating, ventilating and air conditioning systems
10/08/1996US5563282 Heating to decompose impurities
10/08/1996US5562888 Catalystic reduction of nitrous oxide containing exhaust gas, using solid oxides of lanthanum, strontium and a metal oxide selected from chromium, iron, cobalt, yttrium or copper as reduction catalyst
10/08/1996US5562887 Countercurrent scrubbing with amidosulphonic acid
10/08/1996US5562885 Internal combustion engines
10/08/1996US5562884 Injecting into flue gas discharge a hydrogen radical providing additive to react with nitrous oxide
10/08/1996US5562834 Steam stripping waste water containing hydrocarbons, treating with nickel, platinum group catalyst and chromate molybdate, tungstate, barium compounds
10/08/1996US5562756 Li-exchanged low silica EMT-containing metallosilicates
10/08/1996US5562754 Feeding pressurized oxygen containing gas into membrane separation zone, withdrawing oxygen, adding water, passing resulting gas through expansion turbine
10/08/1996US5561988 Retrofit unit for upgrading natural gas refrigeraition plants
10/08/1996CA2173288A1 Method to remove organic halogenated molecules from gaseous currents and relative plant
10/08/1996CA2079091C Catalyst for purification of exhaust gas
10/03/1996WO1996030465A1 Method for feeding regeneration offgas into a gasifier
10/03/1996WO1996030299A1 Method of regeneration of iron chelates in nitric oxide scrubbing
10/03/1996WO1996030297A1 Process for the electrolytic separation of oxygen from its mixtures and equipment for implementing such process
10/03/1996WO1996030110A1 Process for the treatment of gases
10/03/1996WO1996030109A1 Refrigerant separation
10/03/1996WO1996030106A1 Modular air-cleaning system
10/03/1996WO1996030085A1 Catalytic oxidation
10/03/1996WO1996030084A1 Process for the destruction of halocarbons
10/03/1996CA2216845A1 Catalytic oxidation
10/03/1996CA2216313A1 Modular air-cleaning system
10/02/1996EP0735250A2 Device for detecting deterioration of NOx absorbent
10/02/1996EP0734757A1 Catalytic converter having tri precious metal catalysts
10/02/1996EP0734756A2 Catalyst for purifying exhaust gases from a diesel engine
10/02/1996EP0734755A1 Dry process for the removal of sulfur from waste gases
10/02/1996EP0734754A1 Combustion exhaust gas treatment system
10/02/1996EP0734287A1 Method for the destructive scrubbing of methyl chloride gas
10/02/1996EP0734286A1 Gel-based vapor extractor and methods
10/02/1996EP0703819A4 Composite gas separation membranes and making thereof
10/02/1996DE19539827C1 Metal catalysts for oxidn. of carbon monoxide and/or hydrocarbons
10/02/1996DE19513050A1 Operation of high temp. waste disposal reactor with oxygen fractionator
10/02/1996CN2236354Y Indoor smoke filter
10/02/1996CN2236352Y Water netting dust remover
10/02/1996CN1132235A Method and apparatus for elimination of charging gases that form during coat charging of coke oven batteries
10/02/1996CN1132113A Impurity getters in laser enclosures
10/02/1996CN1132107A Ammonia reagent application for NOx, SOx and particulate emission control
10/02/1996CN1132106A Moisture remover of dampproof box
10/02/1996CN1132105A Purification apparatus
10/02/1996CN1032933C Improved self-contained air drying unit
10/02/1996CN1032915C Improved normal paraffin adsorptive separation process using non-normal hydrocarbon pre-pulse stream
10/01/1996US5561298 Destruction of contaminants using a low-energy electron beam
10/01/1996US5560894 Hydrating calcium oxide, adding calcium sulfate, calcium sulfite, aluminum oxide, silicon dioxide, curing in hot water to form pumpable slurry, dispersing in reactor to absorb acidic gases
10/01/1996US5560893 Method for controlling the oxidation of sulfites
10/01/1996US5560763 Three or more beds subjected to a pressure swing adsorption process; feeding; pressurization; purging; repressurization; purge conducted with a waste stream of nitrogen
10/01/1996CA2013914C Heaterless adsorption system for combined purification and fractionation of air
09/1996
09/28/1996CA2145742A1 E.s.e. system ecology safe exhaust system
09/26/1996WO1996029603A1 Assay devices
09/26/1996WO1996029540A1 High temperature acid gases and particulate removal in waste incineration process
09/26/1996WO1996029379A1 Method of removing sulfur from product gas
09/26/1996WO1996029141A1 Method and apparatus for treatment of exhaust streams
09/26/1996WO1996029140A1 Nitrogen oxide-reducing catalyst and process for reducing nitrogen oxides in exhaust gas
09/26/1996WO1996029133A1 Improvements in membrane processes including electrodialysis
09/26/1996WO1996029099A1 Deodorizing method, deodorant, process for the preparation of deodorant, and deodorizing equipment
09/26/1996WO1996024441A3 Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery
09/26/1996DE19602769A1 System for forced wetting of exhaust air or waste gases
09/26/1996DE19510915A1 Sulphur@ recovery from waste gas from Claus plant
09/26/1996DE19510804A1 Reduction of nitrogen oxide(s) in vehicle exhaust gas
09/26/1996CA2215977A1 Improvements in membrane processes including electrodialysis
09/26/1996CA2190456A1 Nitrogen oxide-reducing catalyst and process for reducing nitrogen oxides in exhaust gas
09/25/1996EP0733787A2 An exhaust purification device of an engine
09/25/1996EP0733786A2 An exhaust purification device of an engine
09/25/1996EP0733400A1 Gas inlet for delivering gas to a container
09/25/1996EP0733398A2 Method for separation of nitrogen and carbon dioxide by means of sepiolite as separation medium
09/25/1996EP0733397A2 Staged electrolyte membrane
09/25/1996EP0733396A1 Recovery of carbon dioxide from combustion exhaust gas
09/25/1996EP0733395A1 Recovery of carbon dioxide from combustion exhaust gas
09/25/1996EP0733394A1 Process for separating nitrogen from mixtures with less polar components
09/25/1996EP0733393A1 Removal of carbon dioxide from gas streams
09/25/1996EP0733156A1 Improved combined electrically heatable and light-off converter
09/25/1996EP0702592B1 Method of removing hcn from mixtures of gases and a catalyst for decomposing hcn
09/25/1996EP0697062B1 Process and device for controllably adding a reducing agent into nitrogen oxide-containing exhaust gas
09/25/1996EP0656806B1 Desulphurization of flue gases
09/25/1996CN2235851Y Wet-type multi-tube dust-removing sweetener
09/25/1996CN2235850Y Underground mobile nitrogen-making machine for coal mine
09/25/1996CN1131917A Filter material and method of removing nitrogen oxides from gases and liquids
09/25/1996CN1131580A Gas-liquid contactor and wet flue-gas desulfurization system
09/25/1996CN1131579A Wet flue-gas desufurization system
09/25/1996CN1032848C Low temp. pressure swing adsorption with refrigeration
09/25/1996CN1032847C Equipment for separation of gases
09/24/1996US5559254 Pervaporation using a plasma polymerization membrane
09/24/1996US5559073 Pollution control catalyst with mutual protective distributed-active-combinations each including noble-metal-atoms stably structured and protected therein
09/24/1996US5559072 Nox removal catalyst and method of purifying exhaust gas by using the same
09/24/1996US5558848 Inhibited oxidation conditions; air pollution control; nonscaling
09/24/1996US5558844 Process for the purification of hydrogen
09/24/1996US5558818 Wet flue gas scrubber having an evenly distributed flue gas inlet
09/24/1996US5558771 Composite articles separating mercury from fluids
09/24/1996US5558698 Removing carbon dioxide and hydrogen sulfide from natural gas, absorption, membrane fractionation, fixing sulfur
09/24/1996US5558088 Single patient use disposable carbon dioxide absorber which is patient tidal volume dependent and self-regulating
09/24/1996US5558087 Device for reducing the relative humidity of a flowing gas
09/24/1996CA2085818C Spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing baffles
09/24/1996CA2014500C Acidic gas absorbent and process for production thereof
09/22/1996CA2168614A1 Removal of carbon dioxide from gas streams
09/19/1996WO1996028645A2 Electrically heated catalytic converter
09/19/1996WO1996028589A1 Gas-permselective pneumatic pump and incubator using the same
09/19/1996WO1996028524A1 Utilization of platinum group in diesel engines
09/19/1996WO1996028380A1 SIMPLIFIED, EFFICIENT PROCESS FOR REDUCING NOx, SOx AND PARTICULATES
09/19/1996WO1996028239A1 Method for purifying gaseous or liquid effluents containing sulphur derivatives
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