Patents
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)
02/1998
02/19/1998DE19735362A1 Gas synthesis reactor using synergistic combination of catalysis and gas discharge
02/19/1998DE19732540A1 Moisture separator for gases
02/19/1998CA2264107A1 Apparatus and method for controlling output of an oxygen concentrator
02/19/1998CA2262489A1 Method for treating a catalyst having an active sulphurous phase and contaminated by a mercury compound
02/18/1998EP0824184A2 Ceramic catalytic converter
02/18/1998EP0824183A2 Rectangular-channel catalytic converters
02/18/1998EP0824040A1 Molded product having photocatalytic function
02/18/1998EP0824034A2 Vapor permeation system
02/18/1998EP0823883A1 Intercalation compounds, method for preparing them and use thereof, particularly in pyrotechnics
02/18/1998EP0823864A1 Catalyst retaining apparatus and method of making and using same
02/18/1998EP0823861A1 Fluid separation device
02/18/1998EP0823859A1 Process for purifying gas streams
02/18/1998EP0651665B1 Hygroscopic cartridge particularly for filters for medical use
02/18/1998CN2274525Y Hot air distributor
02/18/1998CN2274524Y High performance low resistance vortex dust collector
02/18/1998CN1173854A Method for removing virtually all the sulphur compounds H2S, SO2, COS and/or CS2 from sulphou plant waste gases, and recovering such compounds as sulphur
02/18/1998CN1173832A Catalytic compsition based on cerium oxide and manganese, iron or praseodymium oxide, method for preparing same and use thereof in motor vehicle post-combustion catalysis
02/18/1998CN1173830A Process for purifying flue gas containing nitrogen oxides
02/18/1998CN1173829A 催化剂 Catalyst
02/18/1998CN1173611A Boiler dusting and desulfuring system
02/18/1998CN1173391A Desiccant, dehydration therewith, and dehydrated product obtainable thereby
02/18/1998CN1173388A Gas-liquid contact apparatus
02/18/1998CN1173387A Removal of nitrogen oxides from gas streams
02/18/1998CN1173386A Flue gas desulphurization process
02/18/1998CN1173385A Multi-thermal pulse PSA system
02/18/1998CN1173384A Calcium chloride media-form ion damp-and dust-removing air purifier
02/18/1998CN1037412C Method of and appts. for drying flowing gas
02/18/1998CN1037411C Gas/Liquid distributor between two exchange
02/17/1998US5719093 Heating; removal of toxic product; reuse
02/17/1998US5718879 Catalyst or catalyst supports
02/17/1998US5718873 Supplying feed gas to lowermost of plurality of contacting zones and passing upwardly through successive zones while particles supplied to uppermost zone pass successively downward
02/17/1998US5718872 Apparatus for controlling the hydrogen sulfide concentration in the acid gas feedstock of a sulfur recovery unit
02/17/1998US5718743 Desiccant cartridge
02/17/1998US5718061 Air filtration and drying system diffusor
02/12/1998WO1998005621A1 Recovery of highly fluorinated carboxylic acids from the gaseous phase
02/12/1998WO1998005588A1 Method for providing oxygen in gas process
02/12/1998WO1998005416A1 Mixing device for liquids
02/12/1998WO1998005414A1 Composite membrane comprising a polyether-polyester block copolymer coating for separating polar gases from gaseous mixtures
02/12/1998WO1998005413A1 Photocatalyst and process for the preparation thereof
02/12/1998WO1998005412A1 Pollutant removal from air in closed spaces
02/12/1998DE19649989A1 Combustion of low-calorie fuelled boiler by sprayed addition of sewage and chalk
02/12/1998DE19646643C1 Jet discharge process for reducing nitrogen oxide in automotive engine exhausts
02/12/1998DE19631841A1 Kompositmembran mit einer Beschichtung aus Polyether-Polyester-Block-Copolymeren zur Abtrennung von polaren Gasen aus Gasgemischen Composite membrane with a coating of polyether-polyester block copolymers for the separation of polar gases from gas mixtures
02/12/1998DE19631628A1 Mischvorrichtung für Flüssigkeiten Mixing device for liquids
02/12/1998CA2262702A1 Recovery of highly fluorinated carboxylic acids from the gaseous phase
02/12/1998CA2261631A1 Mixing device for liquids
02/11/1998EP0823280A1 Glass material for carrying a photocatalyst, filter device using the same and light irradiating method
02/11/1998EP0823279A2 Method and apparatus for treating exhaust gases from CVD, PECVD or plasma etch reactors
02/11/1998EP0823278A2 Adsorbent system
02/11/1998EP0823277A2 Method and apparatus for the purification of fluids
02/11/1998EP0822856A1 PROCESS FOR REGENERATING AN NOx STORAGE CATALYTIC CONVERTER
02/11/1998EP0822855A1 METHOD OF ABATING NO x? AND PREPARATION OF CATALYTIC MATERIAL THEREFOR
02/11/1998EP0822755A1 Treatment of coffee aroma gas
02/11/1998CN2274095Y Comprehensive-control environment-protection device
02/11/1998CN1172687A Advanced memberane system for separating gaseous mixtures
02/10/1998USRE35725 Method and apparatus for removing residual hydrogen from a purified gas
02/10/1998US5716899 Pore-impregnated body and method of producing same
02/10/1998US5716587 Apparatus for removal of contaminates from a gas stream
02/10/1998US5716521 Rechargeable filter
02/10/1998US5716514 FCC NOx reduction by turbulent/laminar thermal conversion
02/10/1998US5716432 Desiccant container
02/10/1998US5716428 Method for removing harmful substances of exhaust gas discharged from semiconductor manufacturing process
02/10/1998US5716427 Equipment for gas separation by adsorption
02/10/1998US5715696 Arrangement for reducing the humidity content of a gaseous medium
02/10/1998US5715679 Exhaust purification device of an engine
02/10/1998US5715677 Controlling the absorption, decomposition, oxidation by a valve mechanical switches
02/10/1998US5715621 Regenerative desiccant air dryer
02/10/1998CA2032425C Process for removing sulfur dioxide from flue gases
02/05/1998WO1998004875A1 Receiver/dryer and method of assembly
02/05/1998WO1998004816A1 Catalytic converter with radial outflow and by-pass valve
02/05/1998WO1998004815A1 Device and method for purification of exhaust gas
02/05/1998WO1998004347A1 Completely metallic oxidation catalyst
02/05/1998WO1998004340A1 Catalytic incineration process and catalyst composition useful therefor
02/05/1998WO1998004339A1 Method for removing carbon dioxide from gases
02/05/1998WO1998004338A1 Catalyst composition, its preparation, and its use in catalytic incineration
02/05/1998WO1998004337A1 Natural gas treatment process
02/05/1998WO1998004336A1 Method and apparatus for treating gas by irradiation of electron beam
02/05/1998WO1998004334A1 Air cleaning filter
02/05/1998WO1998004174A1 Deep-frying device
02/05/1998DE19708862A1 Dry filter for cleaning exhaust gases
02/05/1998DE19631558A1 Assembly treating ambient air in thermoplastic processing
02/05/1998DE19630719A1 Regeneration of adsorption material, especially halogenated carbon
02/05/1998DE19630625A1 Extraction of impurities e.g. dust, vapour, viruses and bacteria from gas stream
02/05/1998CA2262883A1 Completely metallic oxidation catalyst
02/05/1998CA2261585A1 Catalyst composition, its preparation, and its use in catalytic incineration
02/05/1998CA2261179A1 Catalytic incineration process and catalyst composition useful therefor
02/05/1998CA2232962A1 Natural gas treatment process
02/04/1998EP0822323A1 An exhaust emission purification apparatus for an internal combustion engine
02/04/1998EP0822253A2 Novel microbial strain, method for biodegrading organic compounds and method for environmental remediation
02/04/1998EP0822252A2 Microbial strains, method for biodegrading organic compounds and method for environmental remediation
02/04/1998EP0822161A2 Gas separator
02/04/1998EP0822005A2 Catalyst and method for purifying exhaust gases
02/04/1998EP0822004A2 An adsorbent
02/04/1998EP0821996A1 Fluid processing module with a rigid membrane and process for its use
02/04/1998EP0821995A1 Processes and apparatus for the scrubbing of exhaust gas streams
02/04/1998EP0821994A2 Apparatus for cleaning gases or gas mixtures originating from liquids in containers
02/04/1998EP0821993A2 Oxygen production by staged mixed conductor membranes
02/04/1998EP0821992A1 Process and apparatus for treating a gas by adsorption with a variable production rate
02/04/1998EP0821657A1 Uv-reflector forming a part of a uv-device for purification of a liquid or a gas, preferably water
02/04/1998EP0821621A1 Storage of hydrogen in layered nanostructures