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)
04/2001
04/05/2001DE19946381A1 Verfahren und Vorrichtung zur Erzeugung eines kohlendioxidarmen, wasserstoffreichen Gases oder eines konditionierten Synthesegases und Verwendung derselben Method and device for producing a carbon dioxide-poor, hydrogen-rich gas or a conditioned synthesis gas, and using the same
04/05/2001DE19941271A1 Micro-fluid membrane module used in pH regulating systems has gas-permeable permeation membrane between micro-fluidic channels
04/05/2001DE19904596C1 Widely applicable, double-conical activated carbon filter used in any orientation and having special use in bone cement manufacture, includes short connection chamber
04/05/2001DE10046635A1 Porous metal oxide materials, useful for removing water in air conditioning plant, e.g. for vehicle, have water vapor adsorption capacity varying with relative water vapor pressure
04/04/2001EP1088576A1 Liquid withdrawing tray for purification column, purification column and method for purification
04/04/2001EP1088157A1 METHOD FOR DESULPHATIZING AN NO x? ACCUMULATOR CATALYTIC CONVERTER
04/04/2001EP1087832A1 Method and apparatus for cleaning flue gases
04/04/2001EP1087831A1 Attrition resistant, zinc titanate-containing, reduced sulfur sorbents
04/04/2001EP1087829A1 Stack filter assembly and methods
04/04/2001EP0990107B1 Ambulatory oxygen concentrator liquefaction system
04/04/2001EP0879313B1 Filter regeneration and dry cleaning system
04/04/2001EP0793527B1 Method for separating substances from a gaseous medium by dry adsorption
04/04/2001EP0686085B1 Process of making microporous pps membranes
04/04/2001CN2425700Y Water purifying filtering silencer
04/04/2001CN1290188A Modular pressure swing adsorption apparatus
04/04/2001CN1290187A Low pressure drop inlet design to promote good gas flow patterns in high velocity absorbers
04/04/2001CN1289637A Catalyst for modified fossil fuels
04/04/2001CN1289631A Fuzzy control method for desulfurizing boiler by spraying sulfur fixating agent
04/04/2001CN1289630A Method for desulfuration of waste gas
04/04/2001CN1289626A Purification method and tower, and liquid seperating tower tray therefor
04/04/2001CN1064119C Process for removal of SO2 and NOX from combustion flue gases and apparatus used thereof
04/04/2001CN1064022C Process for preparing high-purity hydrogen by converting methanol aqueous vapour
04/03/2001US6210661 IL-4 receptor for the therapy, prophylaxis and diagnosis of allergic, viral, and bacterial diseases and of fungal infections
04/03/2001US6210649 Non-zeolitic materials such as group iiib metal oxides which have high surface areas to promote high catalytic activity. in particular, the compositions have high surface areas comprise agglomerates of nanocrystalline metal oxide particles.
04/03/2001US6210642 Apparatus for cleaning harmful gas by irradiation with electron beams
04/03/2001US6210583 Spent caustic pretreatment and enhanced oxidation process
04/03/2001US6210579 Bioremediation of pollutants with butane-utilizing bacteria
04/03/2001US6210468 Multiple weir scrubber
04/03/2001US6210467 The water soluble impurites are removed into countercurrently flowing water which undergo a depressurization step releasing absorbed carbon dioxide for recapture and recycle into carbon dioxide gas stream
04/03/2001US6210466 Adsorption, at least three countercurrent equalization steps, a provide-purge step, a countercurrent blow down step, a purge step, atleast three countercurrent equilization steps, repressurization in sequence to separate nonabsorbable gases
04/03/2001US6210464 Useful for separating a gas fraction having a high separating membrane-permeability from a mixed gas with a high efficiency
04/03/2001US6210454 Apparatus for treating a gas containing hydrogen sulphide and sulphur dioxide
04/03/2001US6210319 Intra-aortic balloon pump condensation prevention system
04/03/2001US6209547 Cigarette filter
04/03/2001US6209317 Exhaust gas purifying apparatus for internal combustion engine
04/03/2001US6209316 Method for running a diesel engine
04/03/2001US6209315 Method and device for exhaust gas after-treatment in an internal combustion engine equipped with an SCR catalyst
03/2001
03/29/2001WO2001022427A1 Apparatus for treating a gas mixture containing hydrogen and water vapour
03/29/2001WO2001022422A1 Rigid multi-functional filter assembly
03/29/2001WO2001022421A1 Improved multi-functional molded filter for removing contaminants from an enclosure
03/29/2001WO2001021304A1 Alumina-based catalyst composition and method of destruction of pfc and hfc
03/29/2001WO2001021289A1 Exhaust gas cleaner
03/29/2001WO2001021288A1 Reduction of n2o emissions
03/29/2001WO2001021287A1 Flue gas scrubbing method and gas-liquid contractor therefor
03/29/2001WO2001021284A1 Chemically active filter material
03/29/2001WO2001021269A2 Carbon dioxide absorption unit and regeneration method for said unit
03/29/2001WO2001020976A1 Waste-water purification in cattle-breeding systems
03/29/2001WO2000074827A3 Composites and composite membranes
03/29/2001DE4035944C2 Anordnung für Düsen bei Rauchgasreinigungsanlagen Arrangement of nozzles in flue gas cleaning systems
03/29/2001DE19945457A1 Vorrichtung zur Abgasreinigung A device for purifying exhaust gas
03/29/2001DE19945336A1 Verfahren zur Steuerung einer Regeneration eines Partikelfilters und einer Entschwefelung eines NOx-Speicherkatalysators Method for controlling a regeneration of a particulate filter and desulphurization of a NOx storage catalytic converter
03/29/2001DE19938824A1 Selective filtration of species from number of components of plasma involves feeding components to channel, and simultaneously applying static or quasi-static magnetic field and electromagnetic alternating field
03/29/2001CA2381308A1 Chemically active filter material
03/28/2001EP1087113A1 Exhaust gas purifying apparatus for internal combustion engine
03/28/2001EP1086973A2 Polyimide gas separation membranes
03/28/2001EP1086741A2 Process for controlling the regeneration of a particulate filter and the desulphurisation of a NOx storage catalyst
03/28/2001EP1086740A2 Method of treating substance and apparatus for carrying out the same
03/28/2001EP1086739A2 Catalyst for decomposing organohalogen compound
03/28/2001EP1086738A1 Purificating agent for flue gas and incinerated ash and purificating method using the same
03/28/2001EP1086737A2 Production and use of improved polymide separation membranes
03/28/2001EP1086347A1 Desiccant entrained polymer
03/28/2001EP1085939A1 Method and device for selective catalytic reduction of nitrogen oxides in a gaseous medium containing oxygen
03/28/2001EP1085938A1 Method for wet flue gas desulfurization and device for implementing said method
03/28/2001EP1085937A1 Device and method for decomposing nitrogen oxides
03/28/2001EP1085936A1 A membrane and use thereof
03/28/2001EP0927142B1 Method for eliminating h 2?s, so 2?, cos and/or cs 2? sulphur compounds, contained in a sulphur factory waste gas with recuperation of said compounds in the form of sulphur
03/28/2001CN2424818Y Device for purifying gas and preparing oxygen
03/28/2001CN1289402A Desiccant assisted air conditioning system
03/28/2001CN1289390A Catalytic exhaust gas cleaning system and corresponding compensation layer, especially for motor vehicles
03/28/2001CN1289389A Process for producing an encased honeycombed body
03/28/2001CN1289388A Regeneration of catalyst/absorber
03/28/2001CN1289278A Process for indroducing solder into a system
03/28/2001CN1289277A Method for introducing solder into a system
03/28/2001CN1289005A Method and apparatus for reducing pollution articles and harmful artilces in exhaust of engine
03/28/2001CN1289001A Filter element for purifier
03/28/2001CN1288778A Molecular sieve desulfurizer and its preparation
03/28/2001CN1288775A Photocatalytic air-purifying net in multilayer structure and is making process
03/28/2001CN1288774A Catalyst for eliminating SO2 and NOx in gas mixture simultaneously
03/28/2001CN1288773A Composite oxide catalyst for eliminating SO2 and NOx in gas mixture simultaneously
03/28/2001CN1288772A Treatment method for gas composition contaiming hydrogen sulfide
03/28/2001CN1288769A Multichannel and multistage cross flow packed tower
03/27/2001US6207604 β-zeolite molecular sieve absorbent
03/27/2001US6207255 Adsorbent article with dust collection function
03/27/2001US6207132 Steam-reforming a carbonaceous fuel in a chamber having a reforming catalyst bed surrounding a hydrogen-permeable membrane tube; an oxidation chamber to burn gas not permeable to the membrane tube and for supplying heat to the reforming
03/27/2001US6207121 Composition and process for removal of acid gases
03/27/2001US6207120 Catalytic vent gas treatment system for abatement of volatile chemical emissions
03/27/2001US6207106 Hydrogen sulfide is dehydrogenated to generate a mercaptan group and a sulfide group. mercaptan is oxidized to methanlsulfonic acid which is bonded to a metal; methyl mercaptan dehydrogenated to form methylsulfide then oxidized
03/27/2001US6207038 Process for preparing a composite electrolyte based on BIMEVOX and the use of said compound in separating oxygen from a gas mixture
03/27/2001US6207023 Process for microwave air purification
03/27/2001US6206952 Using cadmium exchanged zeolite rho
03/27/2001US6206943 Separator system for aircraft waste system
03/27/2001US6206685 Method for reducing NOx in combustion flue gas using metal-containing additives
03/27/2001US6206675 Extrusion die for the manufacture of monolithic adsorption tubes
03/27/2001US6205985 Catalyst for reforming fossil fuel
03/27/2001US6205809 Self-retaining adsorbent unit
03/27/2001CA2158615C Method and apparatus for elimination of charging gases that form during coal charging of coke oven batteries
03/27/2001CA2036062C Removing solids, haloic acid, cos and h2s from a feed gas
03/27/2001CA2035183C Vapor horn
03/22/2001WO2001020700A2 Membrane for a fuel cell and a method for producing the same
03/22/2001WO2001020221A1 Dewatering method for gas supply systems