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)
01/2001
01/18/2001WO2001003805A1 Innovative incineration system for refuse-derived fuels, coal and petroleum coke, or chlorinated hydrocarbons
01/18/2001WO2001003801A1 Filter material used in gas filtration and having biocidal properties
01/18/2001DE19950980A1 Use of paper, fibrous material or molding containing active material for treating gas, is useful for purifying e.g. industrial waste gas, indoor and outdoor air, air-conditioning plant or individual protection, especially as dust-gas mask
01/18/2001DE19933693A1 Process for applying liquid mist into non-uniform air stream comprises introducing liquid into air stream via nozzles, and distributing mist generated uniformly within air stream by dividing nozzles
01/18/2001DE19933442A1 Particulate filter e.g. soot filter used in exhaust gas in an internal combustion engine has filter medium and catalyst forming rope-like shape and wound into one of the cylindrical filters
01/18/2001DE19933301A1 Verfahren zum Entfernen von Mercaptanen aus Fluidströmen A process for removing mercaptans from fluid streams
01/18/2001DE19933029A1 Verfahren und Vorrichtung zur Desulfatisierung eines NOx-Speicherkatalysators Method and device for desulphating a NOx storage catalyst
01/18/2001DE19932790A1 Abgasreinigungsvorrichtung für eine Brennkraftmaschine und Regenerationsverfahren für diese Vorrichtung An exhaust purification device for an internal combustion engine and regeneration process for said device
01/18/2001DE19932715A1 Verfahren zur Zustandserfassung eines Katalysatorsystems A method for determining the condition of a catalyst system
01/18/2001DE19932675A1 Altering gas scrubber, for removing hydrogen sulfide and COS from liquid phase involves changing the parameter so that the hydrogen sulfide-solution is just removed
01/18/2001DE19931799A1 Molded body used in distillation columns comprises three defined boundary layers formed in bulk layer made of several molded bodies with contact surfaces
01/18/2001DE19931223A1 Verfahren zum Erkennen und Aufrechterhalten der Betriebsbereitschaft eines NOx-Speicherkatalysators A method for detecting and maintaining the operational readiness of a NOx storage catalytic converter
01/18/2001DE19929407C1 Counterflow mass- and energy exchange column for gas and liquid includes foam stabilizers comprising dense upper grid and thinner, more-open lower grid, resting on sieve plate
01/18/2001DE10014792A1 Vorrichtung und Verfahren zur Gastrocknung Apparatus and method for gas drying
01/18/2001CA2379372A1 Innovative incineration system for refuse-derived fuels, coal and petroleum coke, or chlorinated hydrocarbons
01/18/2001CA2341427A1 Valve free oxygen concentrator
01/17/2001EP1069376A1 Method for reducing NOx emissions in liquid fuel combustion processes
01/17/2001EP1069288A2 Emission control system with a catalyst
01/17/2001EP1069286A2 Exhaust gas purification device for internal combustion engine and regeneration method of this device
01/17/2001EP1068892A2 Exhaust gas purifying catalyst comprising a zeolitic adsorbing layer
01/17/2001EP1068891A1 Pressure swing adsorption unit
01/17/2001EP1068431A1 Honeycomb body having an adsorption material, especially for a hydrocarbon trap
01/17/2001EP1068012A1 Catalytically active structure
01/17/2001EP1068003A1 Method and device for catalytic removal of a pollutant contained in the exhaust gas of an internal combustion system
01/17/2001EP1068002A1 Portable rotary catalytic oxidizer systems
01/17/2001EP1068001A1 Method for the catalytic treatment of pollutant-containing gases whilst preventing capillary condensation
01/17/2001EP1068000A1 Oxygen generator system and method for operating the same
01/17/2001EP0618839B1 Flexible hollow fiber fluid separation module
01/17/2001CN2414828Y Fluidized absorption flue gas desulfurizing and denitrating apparatus
01/17/2001CN2414827Y Desulfurizing device
01/17/2001CN2414826Y Desulfurizing dust cleaning apparatus
01/17/2001CN2414825Y 气体分离器 Gas separator
01/17/2001CN1280554A Ceramic network, method for producing and utilization thereof
01/17/2001CN1280521A Catalytic membrane reactor with two component three dimensional catalysis
01/17/2001CN1280519A Method and device for global warming prevention
01/17/2001CN1280518A Method and apparatus for desulfurizing exhaust gas
01/17/2001CN1280517A Method for making catalytic converter
01/17/2001CN1280516A Gas Purification system with safety device and method for purifying gases
01/17/2001CN1280032A Special device for processing so2 containing fume
01/17/2001CN1280031A Method for processing so2 containing fume
01/17/2001CN1280030A Treating method for waste gas containing dipyryl
01/17/2001CN1280029A Method for raising nitrite/nitrate ratio of alkali absorption mother liquor and alkali absorptivity for nitric tail gas
01/17/2001CN1280027A Fresh keeping block for refrigerator
01/16/2001US6174835 Exhaust gas purifying device and method for purifying exhaust gas
01/16/2001US6174507 Acid gas solvent filtration system
01/16/2001US6174506 Carbon dioxide recovery from an oxygen containing mixture
01/16/2001US6174505 Eliminating oxygen from a mixture of gases containing oxygen
01/16/2001US6174504 Methods of control of nitrogen oxide and hydrocarbon emissions from small engines
01/16/2001US6174499 A semiconductor etching apparatus comprising a generator for generating a plasma in the reaction chamber to decompose and chemically activate the freon gas, then made into contact with a reactant to form a reaction product
01/16/2001US6174498 A waste apparatus for removing odors from the untreated sewage by using a chemical reaction
01/16/2001US6174490 Pouring a ceramic slurry, sintering to form a pipe plate for sealing a number of tubes and connecting to an enclosure; forming a heat exchanger
01/16/2001US6174440 Device and method for processing a fluid by two-phase compression and fractionation
01/16/2001US6174351 Pressure management and vapor recovery system for filling stations
01/16/2001US6174348 The use of chemical solvent for the removal of acid gas from a process stream, and the subsequent regeneration of the chemical solvent so that it could be reused for further acid gas removal.
01/16/2001US6173704 Exhaust gas purification system of internal combustion engine
01/16/2001US6173571 Exhaust purifying apparatus for an in-cylinder injection type internal combustion engine
01/16/2001US6173568 Method and device for operating an internal combustion engine operating with an excess of air
01/16/2001US6173567 Method to reduce diesel engine exhaust emissions
01/11/2001WO2001002705A1 Device for treating exhaust gas
01/11/2001WO2001002290A1 Method of enriching chlorine gas
01/11/2001WO2001002083A1 Oxidation catalyst for treating diesel engine exhaust gases
01/11/2001WO2001002082A1 Electron beam irradiation apparatus and method
01/11/2001WO2001002026A1 Air cleaner
01/11/2001DE19941057C1 Pressure swing adsorption process used for recovery of oxygen from air includes adding or removing gas through the inlet of an adsorption bed
01/11/2001DE19931371A1 Filtermaterial für die Gasfiltration mit bioziden Eigenschaften Filter material for gas filtration with biocidal properties
01/11/2001DE19929911A1 Einrichtung zur Abgasbehandlung Device for exhaust gas treatment
01/11/2001DE19929765A1 Reinigungseinrichtung für Rauchgas Cleaning system for flue gas
01/11/2001DE19928100A1 Process for determining the aging condition of a catalyst material in fuel cell systems uses a multi-step calculating process
01/11/2001CA2377027A1 Device for the treatment of exhaust gas
01/11/2001CA2376200A1 Oxidation catalyst for treating diesel engine exhaust gases
01/10/2001EP1067279A2 Method to detect and maintain the state of a NOX storage catalyst
01/10/2001EP1067277A1 Exhaust emission control device for internal combustion engines
01/10/2001EP1066874A1 Exhaust gas purifying catalyst and method of producing same
01/10/2001EP1066873A1 Process and composition for treating dioxin-containing exhaust gas
01/10/2001EP1066872A1 Method for absorption of acrylic compound and apparatus therefor
01/10/2001EP1066752A1 Air washer
01/10/2001EP1066455A1 Exhaust gas filter temporarily arranged at a vehicle exhaust pipe
01/10/2001EP1066454A1 Secondary treatment device for the exhaust gases of an internal combustion engine
01/10/2001EP1066417A1 Method and device for obtaining synthesis gas
01/10/2001EP1066124A1 System for the fast and removable covering of loads of waste with sheets of adsorbing and transpiring material
01/10/2001EP1066105A1 Internal combustion engine exhaust system and method for reducing contaminants in exhaust gases
01/10/2001EP1066104A1 Method and device for catalytic reduction of nitrogen oxides in the exhaust gas of an internal combustion system
01/10/2001EP1066103A2 System for quenching and scrubbing and cooling and washing hot partial oxidation gas
01/10/2001EP1066100A1 Spent caustic pretreatment and enhanced oxidation process
01/10/2001CN2413782Y Electric refrigerator catalytic freshness retaining block
01/10/2001CN2413781Y Solid electrolyte oxygen generator
01/10/2001CN1279757A Dehumidifier system
01/10/2001CN1279662A Preparation of ethylene by gas permeation
01/10/2001CN1279627A Thermally powered oxygen/nitrogen plant incorporating an oxygen selective ion transport membrane
01/10/2001CN1279626A Scrubber for treatment of flue gases
01/10/2001CN1279380A Underground storing chamber with moisture eliminating system and moisture eliminating method
01/10/2001CN1279132A Catalyst containing ZSM-5 zeolite for removing nitrogen oxide and its preparing process
01/10/2001CN1279123A Process for removing nitrogen oxide
01/10/2001CN1279122A Process for treating nitrogen oxide/Co mixed gas
01/10/2001CN1279121A Efficient clarifier for dust fume
01/09/2001US6172000 Diesel catalyst made from a mixture of particles: platinum on alumina and manganese-zirconium oxide
01/09/2001US6171999 Mixing metal cluster complex including rhodium and carbonyl group as ligand with methanol to prepare solution, applying solution to cerium oxide particle, releasing ligand from complex adhering to particle so particle supports rhodium
01/09/2001US6171853 Method and apparatus for treating volatile organic compound (VOC) and odor in air emissions
01/09/2001US6171574 Method of linking membrane purification of hydrogen to its generation by steam reforming of a methanol-like fuel
01/09/2001US6171572 Having excellent heat resistance and being capable of maintaining its large specific surface area even when used under high-temperature conditions