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)
11/1994
11/09/1994	EP0301085B1 Process for the reduction of nitrogen oxides in an effluent
11/09/1994	CN1094791A Method and device for raising burning efficiency of internal combustion engine
11/09/1994	CN1094655A Method and device for purifying gas
11/09/1994	CN1026469C Pressure swing adsorption method for separating gaseous mixtures
11/08/1994	US5362468 Polychlorinated biphenyls
11/08/1994	US5362467 Process for producing carbon dioxide clathrate
11/08/1994	US5362464 Method for removing sulfur oxides
11/08/1994	US5362463 Adsorption and stripping
11/08/1994	US5362462 Process for nitrogen oxides reduction
11/08/1994	US5362458 By oxidation of ammonium sulfite formed by reaction of sulfur dioxide with ammonia
11/08/1994	US5362451 Process and reactor for char-gas oxide reactions by radiofrequency catalysis
11/08/1994	US5362450 Laser controlled decomposition of chlorofluorocarbons
11/08/1994	CA2122955A1 Process for the desulfurization of sulfur dioxide-containing gases
11/03/1994	DE4342296C1 Device for the control of exhaust emissions following cold starting
11/03/1994	DE4314225A1 Apparatus for regenerative gas purification
11/03/1994	DE4314043A1 Exhaust-gas purification device for internal-combustion engine
11/03/1994	DE4313955A1 Adsorber
11/03/1994	DE4313953A1 Adsorber
11/03/1994	DE4313893A1 Process and plant for the prevention of waste-gas and smoke-gas emissions
11/03/1994	DE4313861A1 Unit for nitrogen oxide decrease in furnace exhaust gases
11/02/1994	EP0622530A1 Exhaust gas purifying apparatus
11/02/1994	EP0622400A1 Method of removing isocyanate from air streams
11/02/1994	EP0622164A1 Device for treating solid, liquid or gasous matters
11/02/1994	EP0622108A1 Process for removing nitrogen oxides from exhaust gases resulting from the manufacture of cement
11/02/1994	EP0622107A2 Exhaust gas purifying catalyst in diesel engines
11/02/1994	EP0622106A1 Process for removal of oxides of nitrogen and sulphur from the exhaust gases of combustion installations
11/02/1994	EP0621917A1 Porous webs
11/02/1994	EP0621854A1 Method and apparatus for desulfurization of a gas
11/02/1994	EP0561889B1 Process for the removal of sulphur compounds from gases
11/02/1994	EP0513302B1 Combustion gas desulfurization method
11/02/1994	EP0489133B1 Method for manufacturing activated carbon from cellulosic material
11/02/1994	CN2181325Y Soot magnetic water purifier
11/02/1994	CN1094378A Improved process for the removal of gaseous impurities from a stream of hydrogen
11/02/1994	CN1094377A Improved process for the removal of gaseous impurities from a stream of hydrogen
11/02/1994	CN1094331A Normal temp zinc oxide desulfuriging agent and its preparing method
11/02/1994	CN1094329A Pressure swing adsorption/desorption process with multiple countercurrent depressurization steps
11/02/1994	CN1026392C Method for improvement of by-products produced from processing of waste gas
11/01/1994	US5360779 Contacting a solid mixture of sulfur and alumina with a liquid hydrocarbon and drying to remove liquid
11/01/1994	US5360583 High capacity tray for gas-liquid contact apparatus
11/01/1994	US5360468 Sulfur absorbents
11/01/1994	US5360002 Single patient use disposable carbon dioxide absorber
11/01/1994	US5359946 Combustion gas purifying method, acid gas remover including calcium compound to remove acid gases, and incinerator equipped with such acid gas remover
11/01/1994	CA2064401C Air line vapor trap with air-warming system
11/01/1994	CA2045812C Resistance adjusting type heater, catalytic converter and method of operating catalytic converter
11/01/1994	CA2042843C Process for the emission-free drying of a substance in a drying drum
10/1994
10/29/1994	CA2122321A1 Process for purifying combustion plant flue gases which contain oxides of nitrogen and sulphur
10/29/1994	CA2122297A1 Method and apparatus for mixing materials
10/28/1994	CA2543890A1 Oxidation unit for cleaning contaminated air by exothermic reaction
10/28/1994	CA2121933A1 Method of removing isocyanate from air streams
10/27/1994	WO1994024501A1 Method of and apparatus for manufacturing various kinds of gases to be supplied to semiconductor manufacturing factories
10/27/1994	WO1994024425A1 Mounting mat for fragile structures such as catalytic converters
10/27/1994	WO1994024423A1 Operation of an internal combustion engine
10/27/1994	WO1994024265A1 Microorganism of genus bacillus cereus and use thereof
10/27/1994	WO1994024065A1 Oxygen ion-conducting dense ceramic
10/27/1994	WO1994023830A1 Alkyl substituted aromatic polyester gas separation membranes
10/27/1994	WO1994023826A1 Wet type flue gas desulfurizer
10/27/1994	WO1994023825A1 Process and apparatus for biological remediation of vaporous pollutants
10/27/1994	WO1994023814A1 Thick film equilibrium process and device
10/27/1994	WO1994023657A1 Surgery plume filter device and method of filtering
10/27/1994	DE4414625A1 Stable catalyst filter for particle removal from diesel engine exhaust gas
10/27/1994	DE4336512A1 Process for control of reaction and an apparatus, carbon-black molecules and organometallic complexes being used in an excited state
10/27/1994	DE4314010A1 Process and apparatus for the drying of coal in power stations, especially for the drying of water-containing brown coal
10/27/1994	DE4313574A1 Verfahren zur Abscheidung von Kondensat aus Hochdruckluft A process for deposition of condensate from the high-pressure air
10/27/1994	CA2160789A1 Thick film equilibrium process and device
10/27/1994	CA2160539A1 Alkyl substituted aromatic polyester gas separation membranes
10/27/1994	CA2160451A1 Microorganism of genus bacillus cereus and use thereof
10/27/1994	CA2158566A1 Process and apparatus for biological remediation of vaporous pollutants
10/26/1994	EP0621071A1 A method for the separation of gases at low temperatures
10/26/1994	EP0621070A2 Pressurizing with and recovering helium
10/26/1994	EP0621069A1 Adsorption process to produce 99+% oxygen from air
10/26/1994	EP0620842A1 Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition
10/26/1994	CN2180320Y High-effect multi-function smog purifier
10/26/1994	CN1094054A Desiccant, dehydration therewith, and dehydrated product obtainable threby
10/26/1994	CN1026296C Combination tower
10/25/1994	US5358921 Selective removal of hydrogen sulfide over a zinc oxide and silica absorbing composition
10/25/1994	US5358916 Catalyst for purifying exhaust gas
10/25/1994	US5358701 Process of using layered double hydroxides as low temperature recyclable sorbents for the removal of SOx from flue gas and other gas streams
10/25/1994	US5358697 Providing for chemical reaction of feed to form an off-gas which includes an intermediate component
10/25/1994	US5358556 Membranes having selective permeability
10/25/1994	US5357880 Raw sewage disposal apparatus
10/25/1994	US5357764 Condensate evaporator
10/25/1994	US5357749 Apparatus for controlling exhaust concentration
10/24/1994	CA2094747A1 Pneumatic water vaporizing system
10/22/1994	CA2121743A1 Pressurizing with and recovering helium
10/22/1994	CA2121312A1 Adsorption process to produce 99+% oxygen from air
10/20/1994	CA2121666A1 A method for the separation of gases at low temperatures
10/19/1994	EP0620187A1 Process for the simultaneous absorption of sulfur oxides and production of ammonium sulfate
10/19/1994	EP0620038A1 Deodorizing apparatus
10/19/1994	EP0620037A2 Process and apparatus for cleaning air
10/19/1994	EP0620036A1 Container inerting
10/19/1994	EP0620035A1 Pressure swing adsorption/desorption process with multiple countercurrent de-pressurization steps
10/19/1994	EP0619857A1 Intercooler apparatus.
10/19/1994	EP0619757A1 Catalytic filtration device and method
10/19/1994	EP0619755A1 Contaminant removal system and process
10/19/1994	EP0612268A4 Convection towers.
10/19/1994	EP0606315A4 Hardness suppression in urea solutions.
10/19/1994	CN2179786Y Oxygen-enriched air generator
10/19/1994	CN2179784Y Desulphurizing dust remover for use in brick-field
10/19/1994	CN1093794A Improved metiiod and apparatusfor for achievinog high reaction rates
10/19/1994	CN1093735A Sulfur reduction in FCC gasoline

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