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)
10/1998
10/13/1998US5820654 Integrated solid electrolyte ionic conductor separator-cooler
10/13/1998US5820651 Combustibles present in waste gases as they pass sealed regenerators; adding air downstream, combusting carbon monoxide; minimize oxides of nitrogen; quality unaffected
10/13/1998US5820644 Air filter
10/13/1998US5820642 Pressurized air supply apparatus
10/13/1998US5820641 Fluid cooled trap
10/13/1998US5819820 Installation for the treatment of at least one fluid, by passage through two adjacent masses of material
10/13/1998US5819683 Trap apparatus
10/13/1998CA2136747C Support of ceramic catalyst
10/08/1998WO1998044298A1 Rotary regenerative oxidizer
10/08/1998WO1998044245A1 Exhaust gas purifying device of cylinder injection internal combustion engine
10/08/1998WO1998044244A1 Flexible catalytic substrate mounting system
10/08/1998WO1998043738A1 Apparatus and method for ammonia removal from waste streams
10/08/1998WO1998043732A1 REDUCING NOx EMISSIONS FROM AN ENGINE BY TEMPERATURE-CONTROLLED UREA INJECTION
10/08/1998WO1998043729A1 Device for mixing particulate material and liquid
10/08/1998WO1998034725A3 Method and device for producing a honeycomb body
10/08/1998DE19808063A1 New cyclodextrin derivatives containing canal-shaped cavities
10/08/1998DE19714082A1 Separating gaseous contaminants of air from lacquering and drying cabins
10/08/1998DE19713683A1 Cleaning of flue gases
10/08/1998DE19713531A1 Adsorptive gas drying control
10/08/1998DE19713148A1 High specific surface aluminium vanadate synthesis
10/08/1998DE19709102A1 Katalysatorsystem zur Abgasreinigung von Dieselmotoren Catalyst system for purifying exhaust gas of diesel engines
10/08/1998CA2572493A1 Reducing nox emissions from an engine by temperature-controlled urea injection
10/07/1998EP0869267A2 An exhaust gas purification device for an internal combustion engine
10/07/1998EP0869263A1 Method and apparatus for maintaining catalyst efficiency of a NOx trap
10/07/1998EP0868940A1 Catalyst for purifying exhaust gas, process for manufacturing the catalyst and process for making use of the catalyst
10/07/1998EP0868939A1 Device and process for flue gas purification by means of compressed air atomizers
10/07/1998EP0868938A2 Process for eliminating of NO from engine exhaust gases
10/07/1998EP0868937A2 Absorber
10/07/1998EP0868936A1 Process and apparatus for separating a gas mixture by adsorption
10/07/1998EP0868935A1 Air filter, in particular for the dust-laden air of a vacuum cleaner
10/07/1998EP0868605A2 A method and apparatus for reducing pollutants and contaminants in exhaust gases of an engine
10/07/1998EP0868562A1 Process for the conversion of calcium sulfide
10/07/1998EP0868400A1 Oxygen scavenging metal-loaded ion-exchange compositions
10/07/1998EP0868395A2 Device for removing hydrogen from a gas mixture and its use
10/07/1998EP0772487B1 Process and filter for removing organic substances and ozone from gases
10/07/1998CN2293376Y Biological film packed column for industrial waste gas purification
10/07/1998CN2293375Y Corrugated plate type water sweetening dust scrubber
10/07/1998CN1194882A Method and apparatus for solid-liquid separation of slurry
10/07/1998CN1194881A Horizontal pressure-swing adsorption gas separation packing tower
10/07/1998CN1040069C Purification of fluids by temp. change adsorption
10/07/1998CN1040068C Duplex adsorption process
10/06/1998USRE35913 High speed pressure swing adsorption
10/06/1998US5817841 Membrane process for argon purging from ethylene oxide reactors
10/06/1998US5817618 Protein isolated from mussels, glycogen
10/06/1998US5817597 Compositions capable of operating under high oxygen partial pressures for use in solid-state oxygen producing devices
10/06/1998US5817521 Method for detection of performance reduction of exhaust gas purification catalyst
10/06/1998US5817427 Fine particles of titanium oxide
10/06/1998US5817284 Method for decomposing halide-containing gas
10/06/1998US5817283 Method for removing sulfur dioxide and nitrogen oxides from combustion gases
10/06/1998US5817282 Reduction of nitrogen oxides
10/06/1998US5817218 Gas reactor using a plasma for cracking or synthesizing gases
10/06/1998US5817167 Desiccant based dehumidifier
10/06/1998US5817165 Fluorine-containing polyimide gas separation membrane and method of manufacturing the same
10/06/1998US5816438 Canister with porous plastic ends
10/06/1998CA2092351C Preparation of high activity, high density activated carbon
10/02/1998CA2233747A1 Process and plant for the separation of a gaseous mixture by adsorption
10/01/1998WO1998043027A1 Absorber of absorption system refrigerator
10/01/1998WO1998042964A1 Improvements in catalytic reactors
10/01/1998WO1998042963A1 Exhaust emission control catalyst, exhaust emission control catalyst manufacturing method, exhaust emission control filter, exhaust emission control filter manufacturing method, and exhaust emission control apparatus
10/01/1998WO1998042623A1 Methods for the production of ammonia from urea and uses thereof
10/01/1998WO1998042618A1 Safe storage and transportation of sulfur dioxide
10/01/1998WO1998042437A1 Catalyst composition containing an intimately mixed oxide of cerium and praseodymium
10/01/1998WO1998042432A1 Method for cleaning of combustion gas containing impurities
10/01/1998WO1998042431A1 Method for eliminating noxious matter present in low concentration
10/01/1998WO1998042430A1 Method and device for adsorbing a carried load
10/01/1998DE3690569C2 Removing sulphur cpds. from residual gas
10/01/1998DE19725632C1 Oxygen@ concentrator for breathing therapy
10/01/1998DE19714355A1 Process for drying air
10/01/1998DE19713136A1 Non-catalytic process and assembly converts oxides ofnitrogen and ammonia
10/01/1998DE19712307A1 Verfahren und Vorrichtung zur Adsorption mitgeführter Fracht Method and apparatus for adsorbing entrained cargo
10/01/1998DE19712305A1 Assembly treats effluent air from soil treatment by photo-chemical treatment, stripping and caustic wash
10/01/1998DE19711840A1 Verfahren zur Entfernung von in niedriger Konzentration vorliegenden Schadstoffen, insbesondere chlorierten Kohlenwasserstoffen und ggf. Schwermetallen, aus Abgasen A method for removing pollutants present in low concentration, in particular chlorinated hydrocarbons and possibly heavy metals, from waste gases
10/01/1998DE19711789A1 Manufacture of exhaust gas purification unit containing e.g. catalyst and comprising cylindrical section with double end cone transitions
10/01/1998DE19600008A1 Plant-based air filter and humidifier
10/01/1998CA2285634A1 Catalyst composition containing an intimately mixed oxide of cerium and praseodymium
09/1998
09/30/1998EP0867672A1 Cryogenic hybrid system for producing high purity argon
09/30/1998EP0867609A1 Method and system for estimating a midbed temperature of a catalytic converter in an exhaust system
09/30/1998EP0867604A1 Method and apparatus for maintaining catalyst efficiency of a nox trap
09/30/1998EP0867440A2 Method for treating silane-containing gas
09/30/1998EP0867222A2 Ceramic honeycomb structural body with different wall thicknesses
09/30/1998EP0867218A2 System for exhaust gas purification
09/30/1998EP0867217A2 Organic solvent gas adsorption element
09/30/1998EP0866892A1 Catalytic structures and method of manufacture
09/30/1998EP0866740A1 Method and device for hot-isostatic pressing of parts
09/30/1998EP0866729A1 PROCESS FOR REDUCING NO x? FROM EXHAUST FUMES
09/30/1998CN1194625A Composite oxide having oxygen absorption and release capabilities and process for preparing the same
09/30/1998CN1194593A Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst
09/30/1998CN1194283A Wet-processing method for combustion ashes of petroleum fuels, containing ammonium sulfate and method of utilizing ammonia components recovered by wet-processing method
09/30/1998CN1194177A Tail gas treating technology for cigarette industry
09/30/1998CN1194176A New technology for absorbing and eliminating sulfur dioxide in smoke chemically
09/30/1998CN1194175A Drier composition
09/30/1998CN1039973C Adsorbent for adsorbing sulfur oxide/nitrogen oxide in waste gas and its prepairing method and use
09/30/1998CN1039971C Purifying catalyst for exhaust gas of diesel engine
09/29/1998US5814577 Catalyst and fabrication method of same for purifying exhaust gases of automobile
09/29/1998US5814576 Catalyst for purifying exhaust gas and method of producing same
09/29/1998US5814293 Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, process for preparing such catalyst and process for the selective oxidation of sulfur compounds to elemental sulfur
09/29/1998US5814288 Flue gas desulfurization method and apparatus
09/29/1998US5814287 Aluminum silicate catalysts to form hydrocarbon polymers and traps for removal
09/29/1998US5814285 Poisoning-preventive layer-possessing support, poisoning-resistant catalyst, exhaust gas converter device, and poisoning-preventive gasoline composition
09/29/1998US5814284 Having catalyst cells mounted on waste gas side above upper blade hood of heat exchanger housing in reactor housing which is mounted concentrically above heat exchanger, said formed unit being supported by common frame
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