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)
02/2000
02/09/2000EP0876193B1 Method and device for cleaning flue gases from furnaces
02/09/2000EP0830199B1 Palladium catalyst washcoat supports for methane oxidation in exhaust gas of natural gas-fueled automotive engines
02/09/2000EP0787225B1 Method for minimizing solvent degradation and corrosion in amine solvent treating systems
02/09/2000CN2362581Y Momentum jet current adsorption purifier
02/09/2000CN2362580Y Smoke eliminator for industrial kiln automatic oxygen supply stirring combustion
02/09/2000CN2362579Y Second absorption tower for leaked chlorine automatic absorption device
02/09/2000CN2362578Y Pressure variated adsorption program control valve
02/09/2000CN2362577Y Cooking fume purifier
02/09/2000CN1244231A Control method and device for a combustion system, catalytic purification of exhaust gas from a combustion system, and the combustion system
02/09/2000CN1244176A LaMO3 type composition, M being aluminium, gallium or indium, in powder or sintered form, method of preparation and use as conductor of oxygen
02/09/2000CN1243768A CO catalyst for low-temp oxidization
02/09/2000CN1243767A Process for preparing Ti-base catalyst for catalytic reduction of NOx
02/09/2000CN1243763A Method for seperating gaseous mixture by absorption at pressure changes periodically and plant for carrying out thereof
02/09/2000CN1049193C Moisture-absorbing device
02/09/2000CN1049150C Deodorizing method for refrigerator
02/08/2000USRE36553 Flyash present in the combustion products gas stream catalyzes the formation of toxic dioxins; contacting the surface of said fly ash with a catalytic-effect inhibiting substance
02/08/2000US6023007 Catalytic decomposition of perfluoro-compound
02/08/2000US6022826 Refractory inorganic support containing a combination of a platinum component and one or more bismuth oxides to convert carbon monoxide to carbon dioxide in the presence of oxygen; exhaust and waste gases; air pollution control
02/08/2000US6022825 A high temperature catalyst support, a low temperature catalyst support and a one platium group metal including an additive for the suppression of hydrogen sulfide emissions, exhaust gases for internal combustion engines; pollution
02/08/2000US6022727 Forming gas containing microbubbles in a liquid; providing emulsifier and surfactant mixtures which are hydrophobic, amphipathic or hydrophilic, forming gas microbubbles, changing conditions of solution so microbubbles coalesce
02/08/2000US6022489 Efficiency
02/08/2000US6022399 Adsorber is heated by microwave energy to evaporate adsorbed organic substances on the zeolite
02/08/2000US6022398 Adsorption separation and purification apparatus and process for high purity isobutane production
02/08/2000US6022397 Pressure swing adsorption technique, zeolite
02/08/2000US6021723 Hazardous waste treatment method and apparatus
02/08/2000US6021639 Black smoke eliminating device for internal combustion engine and exhaust gas cleaning system including the device
02/08/2000CA2030042C Apparatus to remove acid gases from a flue gas
02/05/2000WO2000007696A1 Chemical filter unit and gas purification system
02/05/2000CA2296477A1 Chemical filter unit and gas cleaning system
02/03/2000WO2000005176A1 Process for the treatment of waste water containing ammonia
02/03/2000WO2000005171A1 Improved regeneration method for process which removes hydrogen sulfide from gas streams
02/03/2000WO2000005169A1 Hydrogen generators
02/03/2000WO2000004989A2 Method and apparatus for enhancing the rate and efficiency of gas phase reactions
02/03/2000WO2000004983A1 Process and apparatus for recovery of acid gases from flue gas
02/03/2000WO2000004982A1 Exhaust gas treating agent, process for producing the same, and method of treating exhaust gas
02/03/2000WO2000004859A1 Self-contained hyperbaric chamber
02/03/2000DE19935162A1 Multiport ball valve for process control of a chemical column
02/03/2000DE19934531A1 Gas duct with honeycomb flow insert has the cylindrical insert held between the conical end pieces of the duct
02/03/2000DE19930494A1 Catalyst for reducing nitrogen oxides in exhaust gas from gasoline and diesel engines
02/03/2000DE19850762A1 Vorrichtung und Verfahren zur Nachbehandlung der Motorabgase einer Brennkraftmaschine Apparatus and method for treatment of engine exhaust gases of an internal combustion engine
02/03/2000DE19834551A1 Air drying unit comprises a rotation condenser whose axis is in the form of a pipe, through which a cooling medium passes
02/03/2000DE19834541A1 Abgasanlage Exhaust system
02/03/2000DE19834311A1 Air filter element used for the removal of odors consists of large pore reticulated polyurethane foam adhered to adsorbent
02/03/2000DE19834073A1 Worldwide greenhouse effect is controlled by an economic system of multifunctional integrated operations to protect the environment
02/03/2000DE19832237A1 Purification of air mixed with solvent vapor by wet scrubbing and degradation of the solvent by ultraviolet light irradiation of the spent scrubbing liquid, and particularly in a recycle process for use in dry-cleaning machines
02/03/2000DE19832174C1 Verfahren und Vorrichtung zur Reinigung von Rohgas Method and apparatus for purifying the raw gas
02/03/2000DE19831507A1 Adsorption von hydrophoben Gaskomponenten und/oder Aerosolen aus einer Gasphase mittels eines mit Tensiden angereicherten Flüssigkeitsnebels Adsorption of hydrophobic gas components and / or aerosols from a gas phase by means of an enriched with surfactants liquid mist
02/03/2000DE19808011C1 Drying of compressed air by condensation
02/03/2000CA2338261A1 Method and apparatus for enhancing the rate and efficiency of gas phase reactions
02/03/2000CA2338088A1 Improved regeneration method for process which removes hydrogen sulfide from gas streams
02/03/2000CA2337123A1 Hydrogen generators
02/02/2000EP0976916A2 Emission control device for internal combustion engine
02/02/2000EP0976807A1 Method and plant for producing a clean gas from a hydrocarbon
02/02/2000EP0976724A1 Improved process for the synthesis of urea and equipment therefor
02/02/2000EP0976679A1 Hydrogen purifying apparatus
02/02/2000EP0976440A1 Process for producing a T-type zeolite membrane on a porous support for separating a mixture
02/02/2000EP0976439A1 Method and apparatus for recovering condensable gas from mixed gas
02/02/2000EP0975515A1 Method and device for producing autonomous breathing gas and processing and provision of breathing gas for a diver at extreme depths
02/02/2000EP0975418A1 Membranes comprising aminoacid salts in polyamine polymers and blends
02/02/2000EP0975417A1 REDUCING NOx EMISSIONS FROM AN ENGINE BY TEMPERATURE-CONTROLLED UREA INJECTION
02/02/2000EP0975416A1 Apparatus for generating high-activity radiant rays and ions
02/02/2000EP0975415A1 Composite materials for membrane reactors
02/02/2000EP0975414A1 Method for regenerating a loaded wash liquid from a gas desulfurization facility
02/02/2000EP0975405A2 Use of aerogels as adsorption agents
02/02/2000CN2361367Y Pressure swing adsorption gas separator
02/02/2000CN2361366Y Device for changing air dehumidifier in sealed gas channel
02/02/2000CN1243453A Wet-gas treatment method and apparatus adapting said method
02/02/2000CN1243096A Hydrogen refining apparatus
02/02/2000CN1243028A Continuous generating moving-bed waste-gas treatment tower and use thereof
02/02/2000CN1243027A Method for purifying harmful gas by gas laser and electronic beam irradiation, and apparatus thereof
02/02/2000CN1243026A Desulfurizing and denitrating method, apparatus and use
02/02/2000CN1243025A Process for reducing-absorbing treating tail gas from sulphur production without on-line furnace
02/02/2000CN1243024A Oil fume purifying method with air-curtain and shower-air, and apparatus thereof
02/02/2000CN1243023A Purifying adsorption band and moving-bed purifying device using same
02/02/2000CN1243022A Method for recovering condensed gas from mixed gas, and recovering apparatus thereof
02/02/2000CN1048915C Method for burning regenerated gas CO from catalyst for catalystic cracking, and recovering energy thereof
02/02/2000CN1048914C Air-compressing dehumidifier
02/01/2000US6020281 Desiccant
02/01/2000US6019953 H2s is effectively removed from off-gases by converting it with oxygen in the presence of a catalyst into so2, thereby forming no so3, and wherein other sulphur-containing compounds present in the off-gas, in particular cos, are also oxidised.
02/01/2000US6019952 Process for oxidative exhaust gas cleaning
02/01/2000US6019885 Oxygen transport from an oxygen-containing gas to a gas that consumes oxygen.
02/01/2000US6019823 Sorbent-based fluid storage and dispensing vessel with replaceable sorbent cartridge members
02/01/2000US6019822 Apparatus for air dehumidification having a unitary casing for a cyclone separator, a primary filter, a secondary filter, and a separation membrane element
02/01/2000US6019818 Combination quenching and scrubbing process and apparatus therefor
02/01/2000US6019817 System and method for capturing and destroying HAP/VOC substances using microbial degradation
02/01/2000US6019816 Systems and methods for removing residue from process gases exhausted from microelectronic device fabrication processes
02/01/2000US6019810 Effluent treatment system for removing effluent gases from a gas stream
02/01/2000US6019597 Process for minimizing condensibles in process streams treated by thermal oxidizers
02/01/2000US6019068 Method and apparatus for injection of NOx reducing agent
02/01/2000US6018953 Air conditioning system having indirect evaporative cooler
02/01/2000US6018943 Process and assembly for eliminating nitrogen oxides present in exhaust gas, using nitrogen oxides trapping means
02/01/2000CA2124192C Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors
02/01/2000CA2110522C Matter-conductive crown element for the packing of a matter-exchange column
01/2000
01/31/2000CA2279110A1 Process, with recycling capacity, for the treatment of natural gas containing high levels of co2 and n2, and installation thereof
01/27/2000WO2000004377A1 Thermosorption sensor
01/27/2000WO2000003804A2 Method for regenerating a deactivated catalyst
01/27/2000WO2000003799A1 Nitrogen adsorbent and use thereof
01/27/2000WO2000003795A1 Static mixer
01/27/2000WO2000003790A1 Self-regenerating oxidation catalyst for treating diesel engine exhaust gases
01/27/2000WO2000003789A1 An effluent gas treatment process