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)
08/2002
08/28/2002EP0938360B1 Adsorption drying unit and process for checking the operating state of same
08/28/2002EP0912241B1 A manufacturing method of complex molecular sieve compound
08/28/2002EP0744207B1 Catalyst structure and gas purification apparatus
08/28/2002CN2508123Y Impact water bath and active carbon filter combined three-stage high-efficiency dusting purifying device
08/28/2002CN2507551Y High-efficiency desulfurating device of 'Mashi' duster
08/28/2002CN2507550Y Honeycomb plate oil fume filter
08/28/2002CN1366469A Ceramic honeycomb catalyst carrier and method for preparation thereof
08/28/2002CN1366468A Method for preparing decomposition catalyst for organic halide and method for manufacturing filter for use in decomposing organic halide
08/28/2002CN1366467A Exhaust gas purifying catalyst and method of producing same
08/28/2002CN1366159A System for cleaning fume of furnace or kiln
08/28/2002CN1365855A Ceramic carrier and ceramic catalyst body
08/28/2002CN1365848A Device and process for cleaning tail gas
08/28/2002CN1365847A Biologic cleaning method for low-concentration organic waste gas
08/28/2002CN1365846A Deep treatment method of waste gas desulfurization by using sea water
08/28/2002CN1365845A Oil soot remover for kitchen and its adsorption liquid
08/28/2002CN1365844A Reverse guide method and apparatus for removing oil soot from air
08/28/2002CN1365843A Oil soot remover
08/28/2002CN1089636C Catalyst with metal carrier for purifying vehicle exhaust gas and preparation thereof
08/28/2002CN1089629C Method and reactor for electromechanical conversion of material e.g. soot particles being insoluble in fluid
08/28/2002CN1089624C Mixed combustion technique by catalytic cracking of fume to regenerate it
08/28/2002CN1089623C Flue gas scrubbing and waste heat recovery system
08/28/2002CN1089622C Flue gas desulfurization method and apparatus
08/28/2002CN1089621C Multi-tower pressure-changeable gas-adsorption separation method
08/27/2002US6440885 Exhibiting few defects;
08/27/2002US6440489 Immersing paper in concentrated waterglass solution at specified temperature, air cooling, converting impregnated fiber matrix to moisture exchange element, impregnating with aqueous solution of hygroscopic salt and water soluble biocide
08/27/2002US6440379 Minimizing adverse impacts on causticizing operations with black liquor gasification; acidic sulfur gas (h2s or so2) is absorbed from a gas stream containing co2 into an aqueous alkaline solution
08/27/2002US6440378 Noble metal composite colloid, particles are larger, porous oxide support, nox storage component selected from the group consisting of alkali metals, alkaline-earth metals and rare-earth elements; suppress sulfur poisoning
08/27/2002US6440200 Evaporated fuel discharge preventing apparatus
08/27/2002US6440198 Cost effective moving granular bed filters for particulates and contaminants removal
08/27/2002US6440196 Purifying a first minority constituent and concentrating the latter in the majority constituent of a gas mixture containing, selective permeation of an initial gas mixture to be treated through a membrane specific to the initial gas
08/27/2002US6439756 Agitator
08/27/2002US6439138 Controlling or removing mercury, mercury compounds and high molecular weight organics, if present, from a waste incineration apparatus exhaust stream by separately adding a carbonaceous char to the flue gas while the flue gas is still
08/22/2002WO2002065500A2 Atmospheric pressure plasma enhanced abatement of semiconductor process effluent species
08/22/2002WO2002064966A1 Evaporation fuel treating device
08/22/2002WO2002064954A1 Device and method for post-engine introduction of an auxiliary agent in an exhaust gas stream
08/22/2002WO2002064251A1 A catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same
08/22/2002WO2002064242A2 Polymeric membrane for separation of fluids under elevated temperature and/or pressure conditions
08/22/2002WO2002064238A1 Carbon dioxide recovery plant
08/22/2002WO2002064237A1 Purifier
08/22/2002WO2002064236A1 Recovery of fluorine containing compounds
08/22/2002WO2002064235A2 Use of a material and a method for retaining polyhalogenated compounds
08/22/2002WO2002053266A3 Device and method for treating gas effluents
08/22/2002WO2002033232A3 Control system for scr applications
08/22/2002WO2002026357A3 Apparatus and process for hydrogen sulfide removal
08/22/2002WO2002007860A3 A method and system for purifying or cleansing a gas stream or gaseous body
08/22/2002US20020116155 Environmental monitoring system
08/22/2002US20020115132 Generation of carbon dioxide; obtain fermentation broth, propagate microorganism, pass fermentation broth stream out from the fermentation vessel, through a heat exchanger, bubble and recover carbon dioxide
08/22/2002US20020114958 Method of coating zeolite crystals, substrate containing zeolite crystals, method of manufacturing zeolite membrane, method of processing zeolite membrane, zeolite membrane, aluminum electrolytic capacitor, degassing membrane and separation method
08/22/2002US20020114758 Production of anhydrous acid from byproduct or waste chlorinated materials
08/22/2002US20020114751 Use of a catalyst for reducing the quantity and/or size of particulates in diesel exhaust
08/22/2002US20020114750 Conveying sulfur dioxide gas, and hydrogen gas to a catalyzer for producing a gas containing elemental sulfur and hydrogen sulfite and this gas is conveyed to the flue gas upstream of the separator
08/22/2002US20020114749 Process for removing mercury vapor from flue gas
08/22/2002US20020114747 Reformer comprising a closed vessel with oxygen tolerant catalyst bed within, a fuel inlet to the catalyst bed, and an oxidant inlet for directing an oxidant to the catalyst bed
08/22/2002US20020114745 By adding photonic radiation to the effluent stream containing sulfur dioxide, changes it to sulfur trioxide, using lamp or laser or ultraviolet radiation as photonic energy source
08/22/2002US20020114706 Reversible pivoting vane rotary compressor for a valve-free oxygen concentrator
08/22/2002US20020112608 Gas purification unit
08/22/2002US20020112607 Process for the removal of contaminants from a gas, using a gas cleaning agent
08/22/2002US20020112606 Enhanced rate PSA process
08/22/2002US20020112605 Providing sensors constituted of same material as chemical filter and taking measurement of impedance of material constituting sensors, sensors comprising adsorption state detection sensor and reference sensor
08/22/2002US20020112472 Diesel particulate filter unit and regeneration control method of the same
08/22/2002US20020112471 Method and apparatus for desulfurizing a nitrogen oxide adsorber
08/22/2002US20020112469 Device for controlling an internal combustion engine
08/22/2002US20020112466 Lean burn emissions system protectant composition and method
08/22/2002US20020112366 Method and device at a single chamber air drier
08/22/2002DE10204845A1 Kohlenmonoxidadsorption zur Kohlenmonoxidreinigung in einem Brennstoffzellensystem Carbon monoxide adsorption of carbon monoxide cleaning in a fuel cell system
08/22/2002DE10203859A1 Kombinierter Wasser-Gas-Shift-Reaktor/Kohlendioxidadsorber zum Gebrauch in einem Brennstoffzellensystem Combined water-gas shift reactor / Kohlendioxidadsorber for use in a fuel cell system
08/22/2002DE10121780C1 Reinigungsvorrichtung Cleaning device
08/22/2002DE10047512A1 Vorrichtung zur Dosierung eines Reduktionsmittels Device for metering a reducing agent
08/22/2002CA2439173A1 Polymeric membrane for separation of fluids under elevated temperature and/or pressure conditions
08/22/2002CA2437120A1 Carbon dioxide recovery plant
08/22/2002CA2433511A1 Purifier
08/21/2002EP1233183A1 Compressed air control system
08/21/2002EP1233048A2 Process and installation for combined treatment of shredder scrap and sludges
08/21/2002EP1232999A1 Zeolite formed product, zeolite laminate intermediate, zeolite laminate composite and method for their preparation
08/21/2002EP1232783A1 Use of a product from a dry flue gas desulphurisation process
08/21/2002EP1232782A2 A gas purification unit
08/21/2002EP1232368A1 Enthalpy pump
08/21/2002EP1232334A1 Device and method for the nitrogen oxide control of waste gas in an internal combustion engine
08/21/2002EP1232000A1 Device for drying compressed air
08/21/2002CN2506335Y Catalysing combustion oil fume purifier
08/21/2002CN2506334Y 废气净化器 The exhaust gas purifying device
08/21/2002CN1365424A Exhaust gas cleaning device for IC engines
08/21/2002CN1365423A Exhaust gas cleaning device
08/21/2002CN1365346A Ceramic structure
08/21/2002CN1365298A Exhaust gas purifying filter
08/21/2002CN1365289A Air cleaner
08/21/2002CN1365115A Filter structure, production method and using method
08/21/2002CN1364656A Method for producing ethylene remover
08/21/2002CN1364653A Desulphurizing method and device with regenerable desulfurising agent
08/21/2002CN1364652A Method for producing micro process film with selected gas selective function spot and film produced by said method
08/21/2002CN1089268C Device for mixing particulate material and liquid
08/21/2002CN1089265C Flue gas scrubbing apparatus
08/21/2002CN1089264C Absorption stabilizing apparatus for catalytic cracking and its production process
08/21/2002CN1089263C Pressure variable regeneration tech. of low supplying heat source
08/21/2002CN1089262C Method for raising the efficiency of runner type absorption system in eliminating volatile organic waste gas
08/21/2002CN1089261C Technolgy and equipment for controlling atmospheric pollution through imitation of meterological phenomena
08/20/2002US6436868 Composite catalyst composition for inhibiting generation of dioxin
08/20/2002US6436360 Method of cleaning industrial waste gases
08/20/2002US6436359 Pressurized gas stream for removing nitrogen oxides from a combustion gas stream; hydrolyzing urea, pressure in reactor is held within preselected range when demand for ammonia for nitrogen oxide removal drops by cooling the solution
08/20/2002US6436353 Gas recovering apparatus