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)
11/2000
11/14/2000CA2025348C Process to remove metal species from exhaust vapors
11/09/2000WO2000067015A2 Device and method for detecting ammonia
11/09/2000WO2000066982A1 Oxidative reactor for oxidation of salts
11/09/2000WO2000066953A1 Refrigerating device
11/09/2000WO2000066885A1 Valve seat device for a metering valve of an exhaust treatment station
11/09/2000WO2000066516A1 Method and apparatus for producing fertilizer from flue gas containing sulfur oxides
11/09/2000WO2000066502A1 Active purifying structures for lining and forming compact physico-biological filters
11/09/2000WO2000066488A1 Corona discharge reactor
11/09/2000WO2000066286A1 Recovery of heavy metals in waste treatment
11/09/2000WO2000066252A1 Method and device for introducing a gaseous reducing agent of a nitrogen oxide into a gas mixture
11/09/2000WO2000066251A1 Air compression arrangement for vehicles
11/09/2000WO2000066250A1 Flue gas scrubbing apparatus
11/09/2000WO2000066249A1 Absorbent compositions for the removal of acid gases from the gas streams
11/09/2000WO2000008316A3 REGULATION OF A NOx ABSORPTION CATALYTIC CONVERTER
11/09/2000WO2000001980A3 Gas storage method and system, and gas occluding material
11/09/2000WO1999028013A3 Modular pressure swing adsorption apparatus
11/09/2000WO1998055204A3 System for quenching and scrubbing and cooling and washing hot partial oxidation gas
11/09/2000EP1045728A3 Modular pressure swing adsorption apparatus
11/09/2000DE19925085C1 Microbiological purification of contaminated gas streams comprises passing the gas over permeable substrates which are partially covered with suitable microorganisms and over which a trickle film of water passes
11/09/2000DE19922357C1 Catalyst carrier comprises corrugated metal sheets arranged one above another to form channels through which fluid can flow, held together by parallel reinforcing components which stretch across them
11/09/2000DE19920258A1 Process for wet purifying biogases containing hydrogen sulfide, halogenated hydrocarbons and volatile silicon-containing compounds uses waste leakage water as auxiliary material
11/09/2000DE19919472A1 Vorrichtung und Verfahren zur Detektion von Ammoniak Device and method for the detection of ammonia
11/09/2000CA2370247A1 Oxidative reactor for oxidation of salts
11/08/2000EP1050670A2 Silencer
11/08/2000EP1050509A1 Carbon dioxide cleaning system with improved recovery
11/08/2000EP1050333A1 Iron compound catalyst for inhibiting generation of dioxin and incineration process of municipal solid waste using the same
11/08/2000EP1049875A1 Apparatus and method for continuously disposing of condensate in a fluid compressor system
11/08/2000EP1049757A1 Very low sulfur gas feeds for sulfur sensitive syngas and hydrocarbon synthesis processes
11/08/2000EP1049756A1 Production of low sulfur syngas from natural gas with c 4+?/c 5+? hydrocarbon recovery
11/08/2000EP1049536A1 Catalyst and method for hydrogenated depletion of cfc and halons from gas phases
11/08/2000EP1049529A1 Combatting air pollution
11/08/2000EP1049528A1 Compact air dryer
11/08/2000CN2404575Y Distilling tower for catalytic cracking and absorption stabilization system
11/08/2000CN2404574Y Equipment for desulfurizing and dust-removing
11/08/2000CN1272401A Automobile tail gas cleaning catalyst and its preparation method
11/08/2000CN1272400A Automobile tail gas cleaning catalyst and its preparation method
11/08/2000CN1272397A Desulfurization catalyst of flue gas and its application method
11/08/2000CN1272396A Catalyst for removing nitrogen oxide from flue gas, its preparation and application
11/08/2000CN1272391A Membrane containing porous carrier and molecular sieve layer and its preparing method
11/08/2000CN1272390A Vacuum system
11/08/2000CN1058251C Method for treatment of sulfur-containing organic waste water and gas purifying special equipment-gas balancing apparatus
11/07/2000US6143691 Catalyst layers comprising a specific combination of platinum metals, a cerium compound, and a refractory inorganic oxide; responds quickly to changes in atmosphere of exhaust gas such as idling, acceleration and constant speed
11/07/2000US6143687 Denitration catalyst, process for preparing the same, and exhaust gas purification method
11/07/2000US6143681 NOx reduction catalyst
11/07/2000US6143556 Bioreactor with several zones; for separation of a selected gas from a mixed gas stream where it then is contacted by an enzyme immobilized on a support
11/07/2000US6143553 Process and materials for removing pollutants
11/07/2000US6143390 Low-temperature regenerative type moisture absorbing element
11/07/2000US6143272 Sol-gel processed metal-zirconia materials
11/07/2000US6143263 Providing flue gas to particulate collection means for collecting particles from the gas to produce partially cleaned flue gas, injecting into the gas after particles have been removed dry sorbent sulfur trioxide, wet scrubbing
11/07/2000US6143262 Process for removing nitrous oxide (N2 O)
11/07/2000US6143261 Catalytic reduction of nitrogen oxide emissions with MCM-49 and MCM-56
11/07/2000US6143254 Comprising a torturous fluid channel, lava material displaced within the torturous fluid channel wherein the lava material is located within a set of self contained containers within the emissions reducing device
11/07/2000US6143203 High temperature adsorption of oxygen onto an oxygen selective mixed conductor of perovskite type ceramic, a doped ceramic, brownmillerite oxides, air, in an oxygen adsorption zone, partial oxidation of hydrocarbons with absorbed oxygen
11/07/2000US6143167 Acidic oxide support, (ii) magnesium oxide (iii) cerium oxide (ceo2) and (iv) a group 2b transition metal oxide; all in given parts by weight; reduces nitrogen oxide (nox) emissions in the presence of carbon monoxide oxidation promoter
11/07/2000US6143162 With a solid-electrolyte electrochemical cell, which includes homogeneous structure of a mixed oxide of bismuth, vanadium, a metal with oxidation state of 3 and one of 5, with dynamic electrodes created ?in situ? and current collectors
11/07/2000US6143057 Adsorbents and adsorptive separation process
11/07/2000US6143056 Rotary valve for two bed vacuum pressure swing absorption system
11/07/2000US6143048 Portable air pollution capture apparatus with painting tray
11/07/2000US6142362 Sheet metal layers of a layer-like configuration with rolled-on brazing material and process for the production of a honeycomb body therefrom
11/07/2000US6142151 Spool valve for switching air flows between two beds
11/07/2000US6142012 Method of diagnosing a catalytic converter and arrangement therefor
11/07/2000US6141988 Separating olefins from gases containing olefins and hydrogen by removing hydrogen from the gases using a combination of membrane and pressure swing absorption
11/07/2000US6141960 Exhaust gas purifying system for engine
11/07/2000CA2204944C Casing assembly for desiccant element housing
11/07/2000CA2197738C Vsa adsorption process with energy recovery
11/07/2000CA2125592C Activated carbon filter for venting a fuel tank
11/07/2000CA2020369C Process for the removal of a solvent mixture from a gas stream
11/02/2000WO2000065887A1 Method and apparatuses for plasma treatment
11/02/2000WO2000064818A1 Method for disinfecting and purifying liquids and gasses
11/02/2000WO2000064580A1 COMPOSITION USABLE AS NOx TRAP, BASED ON MANGANESE AND AN ALKALINE-EARTH OR A RARE EARTH AND USE IN THE TREATMENT OF EXHAUST GASES
11/02/2000WO2000064577A1 Material and method for treating gaseous media containing volatile organic compounds
11/02/2000WO2000064565A2 Spool valve for switching air flows between two adsorption beds
11/02/2000WO2000064560A1 Improved composite filter element
11/02/2000WO2000064499A1 Method for treating a gaseous medium containing contaminating particles
11/02/2000WO2000043469A3 Combined plasma reactor catalyst systems for effective emission control over a range of operating conditions
11/02/2000WO2000043102A3 Process and reactor for plasma assisted gas processing
11/02/2000WO2000025611A9 Cigarette filter
11/02/2000WO2000023694A3 Method for reducing nitrogen oxide in the exhaust gases of an internal combustion engine operated with a lean mixture
11/02/2000EP1048830A2 Method and system for estimating a midbed temperature of a catalytic converter
11/02/2000EP1048828A1 Catalytic converter
11/02/2000EP1048710A1 Process for producing hydrogen from a gas produced in a waste treatment unit
11/02/2000EP1048614A1 Two-phase hydrogen permeation membrane
11/02/2000EP1048613A1 Hydrogen permeation through mixed protonic-electronic conducting materials
11/02/2000EP1048541A1 Air desiccant canister
11/02/2000EP1048540A1 Air desiccant canister
11/02/2000EP1048360A1 Device and process for metering a solid source of reducing agent for nitrogen oxide into a gaseous mixture
11/02/2000EP1048345A1 Adsorbent with high macroporosity for use in a process for adsorbing a gas, especially in a PSA process
11/02/2000EP1048344A2 Novel copper complexes for CO and olefin adsorption
11/02/2000EP1048341A1 Catalyst made from a mixture of particles of platinum on alumina and manganese-zirconium composite oxide
11/02/2000EP1048340A1 Process for introducing a reducing agent for a nitrogen oxide into a gas mixture and apparatus for performing the process
11/02/2000EP1048339A1 Vapor movement controlling device
11/02/2000EP1048338A1 Recovery of perfluorinated compounds from the exhaust of semiconductor fabrications using membrane seperation
11/02/2000EP1048337A1 Recovery of perfluorinated compounds from the exhaust of semiconductors fabrications with recycle of vaccum pump dilutent
11/02/2000EP1048327A2 Method and agent for reducing chlorinated aromatic compounds
11/02/2000EP1047865A1 Honeycomb arrangement with an intermediate layer containing at least one metal foil
11/02/2000EP1047864A1 Catalytic converter support device
11/02/2000EP1047503A1 Modular dielectric barrier discharge device for pollution abatement
11/02/2000EP1047488A1 Device for supplying a reduction agent into an exhaust-gas purification system
11/02/2000DE19919913A1 Vorrichtung und Verfahren zum Einbringen eines festen Ausgangsmaterials eines Reduktionsmittels eines Stickoxids in ein Gasgemisch An apparatus and method for introducing a solid starting material of a reducing agent of a nitrogen oxide into a gas mixture
11/02/2000DE19919881A1 Thermally stable proton conductive composite, for use in e.g. fuel cells, membrane separation, catalysis, electrolysis or electrochemical processes, comprises acid and/or organic base and layered and/or framework silicate