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)
03/1998
03/24/1998US5731562 Method of making a ceramic catalytic converter open cell substrate with rounded corners
03/24/1998US5730948 First bed of zeolite impregnated with phosphoric, citric and acetic acid; second bed impregnate dwith sodium chlorite
03/24/1998US5730947 System and process for vacuum thermolysis treatment of liquid or gas products the disposal of which is detrimental to the environment
03/24/1998US5730784 Oxidation to sulfur dioxide
03/24/1998US5730783 Low temperature adsorption
03/24/1998US5730782 Isobaric moving bed continuous gas purifier
03/24/1998US5730781 Regeneration process and plant for absorbents used for processing combustion products in thermal boilers
03/24/1998US5730780 Method for capturing nitrogen from air using gas separation membrane
03/24/1998US5730779 Fluorochemical recovery and recycle using membranes
03/24/1998US5730778 Receiving a first component from a compressed fluid also having a second component and of providing for the flow of first component to a user at a prescribed rate
03/24/1998US5730181 Mass flow controller with vertical purifier
03/24/1998US5730003 Cryogenic hybrid system for producing high purity argon
03/24/1998US5729972 Engine exhaust purifying device
03/24/1998US5729971 Which purifies exhaust of an engine
03/24/1998US5729956 Dissolving
03/24/1998US5729902 Catalytic converter with two or more honeycomb bodies in a casing tube and method for its production
03/24/1998CA2186202A1 Method and apparatus for inoculating a biofilter
03/24/1998CA1339771C Gas separation
03/19/1998WO1998011260A1 Biofiltration apparatus and method with chemical pre-treatment of contaminated air
03/19/1998WO1998010837A1 Recirculating treatment of waste gases formed in molten metal baths
03/19/1998WO1998007082A3 Apparatus and method for controlling output of an oxygen concentrator
03/19/1998DE19739751A1 Exhaust gas cleaning system for IC engine esp diesel engine
03/19/1998DE19637032A1 Use of zeolite catalyst
03/19/1998CA2265934A1 Biofiltration apparatus and method with chemical pre-treatment of contaminated air
03/18/1998EP0829691A1 Process for compressing the feed gas of a separation unit for gas mixtures
03/18/1998EP0829684A1 Method and device for the selective, non catalytic reduction of the emissions from boiler plants
03/18/1998EP0829623A1 Process for reducing NOx emission from exhaust gases
03/18/1998EP0829453A1 Process and apparatus for the treatment of gases containing hydrogen sulphide and sulphur dioxide including a sulphur reduction step of the recycled solvent
03/18/1998EP0829452A1 Process and apparatus for treatment of gases containing hydrogen sulphide and sulphur dioxide including a sulphur removal step by cooling of the exhaust gas
03/18/1998EP0829299A1 Environment purifying material
03/18/1998EP0829295A2 Catalyst and process for catalytic purification of exhaust gases from a DMT process
03/18/1998EP0829294A2 Regenerative desiccant air dryer
03/18/1998EP0829291A2 Multistage condenser
03/18/1998EP0828927A1 Apparatus for catalytic exhaust gas cleaning
03/18/1998EP0828551A1 Bench top uv-activated odor filtration device
03/18/1998EP0828550A1 Flue gas scrubbing and waste heat recovery system
03/18/1998EP0828549A1 Process for the dry desulphurisation of a combustion gas
03/18/1998EP0828548A1 Devices and methods related to the filtration and/or purification of fluids
03/18/1998CN2276368Y Double-grade double-side self-excited boiler gas cleaner
03/18/1998CN1176297A Multi-washer and method of total cleaning of gases
03/18/1998CN1037767C A process for reduction of waste material during manufacture of aerylonitrile
03/18/1998CN1037751C Method and apparatus for separating nitrogen-rich gas
03/17/1998US5728643 NOx decomposition catalyst and exhaust gas purifier using said catalyst
03/17/1998US5728642 Exhaust gas treating agent and a method of treating exhaust gas using the agent
03/17/1998US5728368 Sealed conntainers with reagents
03/17/1998US5728358 Sulfur oxides
03/17/1998US5728357 Injection of urea pellets
03/17/1998US5728356 Methods of denitrating exhaust gases
03/17/1998US5728198 Air purification
03/17/1998US5727903 Process and apparatus for purification and compression of raw landfill gas for vehicle fuel
03/17/1998US5727623 Dehumidifier having two heat exchangers
03/17/1998US5727394 Method of conditioning a process stream
03/17/1998US5727385 Lean-burn nox catalyst/nox trap system
03/17/1998CA2215539A1 Catalyst and method for catalytic off-gas cleaning in the dmt process
03/13/1998CA2215467A1 Process for compressing a gas associated with a unit for separating a gas mixture
03/12/1998WO1998010177A1 Exhaust fume purification process for an internal combustion engine
03/12/1998WO1998009726A1 Catalyst composition and method for its manufacturing
03/12/1998WO1998009719A1 Membrane element
03/12/1998WO1998009716A1 Process for reducing dioxin and furan emissions in the stack gas from an incinerator
03/12/1998WO1998009715A1 Method of treating exhaust gases containing halogen based compound
03/12/1998WO1998009714A1 Process and system for removal of hydrogen sulfide from a gas stream
03/12/1998WO1998009713A1 Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents
03/12/1998WO1998009712A1 Method of selective chemisorption of reactive-active gases
03/12/1998WO1998009699A2 Plasma-assisted catalytic reduction system
03/12/1998WO1998009676A1 Apparatus for producing a gas mixture for hypoxia training
03/12/1998WO1998009491A2 Pre-heating of process stream for thermal oxidizers
03/12/1998DE19636848A1 Activating anthracite
03/12/1998DE19636747A1 Reducing nitrogen oxide(s) in waste gases
03/12/1998DE19636359A1 Three
03/12/1998DE19636041A1 Waste gas purification process
03/12/1998DE19636040A1 Waste gas purification process
03/12/1998CA2264844A1 Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents
03/12/1998CA2263880A1 Pre-heating of process stream for thermal oxidizers
03/11/1998EP0828063A1 Exhaust gas purifying device for engine
03/11/1998EP0827778A2 Catalyst and process for selectively reducing NOx in oxygen-containing combustion exhaust gases
03/11/1998EP0827775A1 Oxygen storage material for automotive catalysts
03/11/1998EP0827774A1 Process for removing SO2 and NOx from a gaseous stream
03/11/1998EP0827773A1 Compression and gas drying plant
03/11/1998EP0827772A2 Method for the removal of carbon dioxide and hydrogen sulfide from a gas containing these gases
03/11/1998EP0827771A1 Process for separating gaseous mixtures containing oxygen and nitrogen
03/11/1998EP0827770A2 Method and apparatus for the desorption of adsorbers
03/11/1998EP0827765A2 Gas-liquid dispersion devices, gas-liquid contact apparatus and wastewater treatment systems
03/11/1998EP0827451A1 Laminate for retaining organic vapours, aerosols and biological active substances
03/11/1998EP0618842B1 Honeycomb construction with an inner structure held by a support structure
03/11/1998CN2275898Y Multilayer tower-type particle layer smoke prevention and dust control devulcanizer
03/11/1998CN1175940A Carbonylation of multi-component feedstock stream
03/11/1998CN1175910A Method for purifying exhaust from wood mfg. processes
03/11/1998CN1175909A Distributor trough junctions
03/11/1998CN1175477A Method, apparatus and system for monitoring sulfur dioxide in desulfuration of flue gas by sea water
03/11/1998CN1175476A Method and apparatus for preventing and monitoring secondary pollution of water in process of desulfuration by sea water
03/11/1998CN1175475A Apparatus and method for treating exhaust gas and pulse generator used therefor
03/11/1998CN1175474A Multi-tower pressure swing adsorption method and apparatus for separation of gas
03/11/1998CN1037693C Process for purifying high-temp. reducing gases
03/10/1998US5726119 Catalyst for exhaust gas purification
03/10/1998US5726117 Sorbent compositions containing zinc subjected to a steam treatment
03/10/1998US5725965 Stable high conductivity functionally gradient compositionally layered solid state electrolytes and membranes
03/10/1998US5725639 Device for drying air for motor vehicles
03/10/1998US5725637 Glycol and salt with dehydration
03/10/1998US5725636 Gas dehydration process
03/10/1998US5725635 Method to remove organic halogenated molecules from gaseous currents and relative plant
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