| 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) |
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| 06/08/2000 | WO2000032300A2 Method and device for reducing harmful exhaust elements in an exhaust emission control system in an internal combustion engine |
| 06/08/2000 | WO2000032299A1 Exhaust gas treating device |
| 06/08/2000 | WO2000032296A2 Filter for use in medical procedures |
| 06/08/2000 | DE19855722A1 Vorrichtung zur Adsorption von Ethylen in niedrigen Konzentrationen An apparatus for adsorption of ethylene in low concentrations |
| 06/08/2000 | DE19855384A1 Vorrichtung zum Nachbehandeln von Abgasen einer Brennkraftmaschine Apparatus for the aftertreatment of exhaust gases of an internal combustion engine |
| 06/08/2000 | DE19855338A1 Vorrichtung zum Einbringen eines Reduktionsmittels in einen Abgasrohrabschnitt einer Brennkraftmaschine Device for introducing a reducing agent into an exhaust gas pipe section an internal combustion engine |
| 06/08/2000 | DE19855308A1 An enclosed, biological trickle filter for treatment of nitrogen containing exhaust gases is, at least periodically, operated under anaerobic conditions |
| 06/08/2000 | DE19736745A1 Process for removing carbon dioxide from waste gas comprises feeding the gas through a liquid catalyst, and feeding the reaction gas stream leaving the catalyst through a water bath arranged over the catalyst |
| 06/08/2000 | CA2351325A1 Integrated palladium-based micromembranes for hydrogen separation and hydrogenation/dehydrogenation reactions |
| 06/07/2000 | EP1006238A1 Method of impregnating paper |
| 06/07/2000 | EP1006081A1 Catalytic converter for automotive pollution control, and oxygen-storing cerium complex oxide used therefor |
| 06/07/2000 | EP1006079A1 Materials selectively adsorbing CO2 from CO2 containing streams |
| 06/07/2000 | EP1005904A2 Adsorbents and adsorptive separation process |
| 06/07/2000 | EP1005895A1 Purification of gases |
| 06/07/2000 | EP1005894A1 Reheating flue gas for selective catalytic systems |
| 06/07/2000 | EP1005889A1 Liquid distributor for packed columns |
| 06/07/2000 | EP1005525A1 Improved filtering system and method for incubators |
| 06/07/2000 | EP1005392A1 Continuous reaction method by solid/gas catalysis in unconventional medium, corresponding reactor and use of said reactor |
| 06/07/2000 | EP0912862B1 Cremation method and apparatus |
| 06/07/2000 | CN2381376Y Flue desulfurizing and dust-collecting apparatus |
| 06/07/2000 | CN2381375Y Pressure variable double layer adsorbing apparatus |
| 06/07/2000 | CN1255908A Method and treatment of gaseous discharges of unit mfg. optical-fibre preform for recovering germanium |
| 06/07/2000 | CN1255621A Method for purifying low temp. fluid containing N2O, CnHm and/or nox impurities |
| 06/07/2000 | CN1255460A Cooling method for fiber glass |
| 06/07/2000 | CN1053124C Flue gas treating system |
| 06/06/2000 | US6072099 Heating dioxins-adsorbed carbonaceous adsorbent in presence of ammonia, ammonium salt or urea in oxygen-deficient state or in inert gas for at least one hour |
| 06/06/2000 | US6071484 Process for treating gas with ultra-lean amine |
| 06/06/2000 | US6071481 Zero grade air generating system |
| 06/06/2000 | US6071479 Filter unit of hydrophilic glass fiber paper and ozone-bleached crepe paper which is impregnated with an aqueous solution of an acid or a base, and urea or an alkanol amine. |
| 06/06/2000 | US6071472 Placing a filter impregnated with tio2 and with an undecylenic compound, irradiated by a source of ultraviolet radiation, in an air renewal circuit or a ventilation machine. |
| 06/06/2000 | US6071401 Electrolytic method for purifying gases |
| 06/06/2000 | US6071328 Separation of a gaseous mixtures using a pressure swing adsorption(psa) device having an adsorber ahving inlet and outlet for separated gas and three capacities selectively connectable to the outlet; separation of oxygen from air |
| 06/06/2000 | US6071327 Method of separating iodine gas |
| 06/06/2000 | US6071321 E-1 air dryer liquid separator with baffle |
| 06/06/2000 | US6070653 Cylindrical vessel for separation |
| 06/06/2000 | US6070576 Adsorbent-based storage and dispensing system |
| 06/06/2000 | US6070339 Membrane air dryer with scheme to reduce air lost as sweep air |
| 06/06/2000 | CA2210307C Nitrogen psa with intermediate pressure transfer |
| 06/06/2000 | CA2141734C Selective catalytic reduction of nitrogen oxides |
| 06/06/2000 | CA2102393C Dehumidifier for supplying air using variable flow rate and variable pressure in a membrane dryer |
| 06/06/2000 | CA2075497C Charge/purge control system for air dryer having limited charge time |
| 06/06/2000 | CA2073439C Charge/purge control system for air dryer with humidity control |
| 06/04/2000 | WO2000018495A1 Method and device for detoxifying and deodorizing sterilizing gas |
| 06/04/2000 | CA2290248A1 Membrane comprising a porous carrier and a layer of a molecular sieve and its preparation |
| 06/02/2000 | WO2000031386A1 Method and apparatus to reduce engine exhaust emissions |
| 06/02/2000 | WO2000030995A1 Fabrication of low thermal expansion, high strength cordierite structures |
| 06/02/2000 | WO2000030746A2 Catalyst body and method for the degradation of nitrogen oxides |
| 06/02/2000 | WO2000030739A1 Catalyzed particulate oxidizer for reducing particulate emissions from a diesel engine and method |
| 06/02/2000 | WO2000030738A1 Split flow process and apparatus |
| 06/02/2000 | WO2000030737A1 Metal oxide ceramic based oxygen generators with a gas purifier |
| 06/02/2000 | WO2000030735A1 Emissions reduction system and method therefor |
| 06/02/2000 | WO2000030734A1 Method and apparatus for removing particulates |
| 06/02/2000 | WO2000030733A1 Liquid urea exhaust gas treatment additive |
| 06/02/2000 | CA2349846A1 Catalyzed particulate oxidizer for reducing particulate emissions from a diesel engine and method |
| 05/31/2000 | EP1004347A2 Catalyst for cleaning exhaust gases from diesel engines |
| 05/31/2000 | EP1004346A1 Dioxin generation depressant, method for production thereof, and method for depressing dioxin generation |
| 05/31/2000 | EP1004345A2 Acid component-removing agent, method for producing it and method for removing acid components |
| 05/31/2000 | EP1004344A1 Process for purifying gases |
| 05/31/2000 | EP1004343A1 Pressure swing absorption process and installation for separation of a gas mixture |
| 05/31/2000 | EP1004342A2 Pressure swing adsorption gas separation process and system using single adsorber and product recycle |
| 05/31/2000 | EP1004341A2 Pressure swing adsorption process and system utilizing two product storage tanks |
| 05/31/2000 | EP1004000A1 Two stage process for drying of raw wood material |
| 05/31/2000 | EP1003958A1 Improvements in emissions control |
| 05/31/2000 | EP1003603A1 Removal of contaminants from gas streams in rayon production |
| 05/31/2000 | EP0744988B1 Device and process for reducing the quantity of pollutants in combustion exhaust gases |
| 05/31/2000 | EP0698411B1 Method for removing nitrous oxide |
| 05/31/2000 | EP0671208B1 Adsorption material for nitrogen oxides and exhaust emission control catalyst |
| 05/31/2000 | DE19957311A1 Honeycomb body used as a catalyst carrier has a specified cell density and pore volume |
| 05/31/2000 | DE19953352A1 Ozone filter with solids pre-separator arrangement for forced convection air ducts in electrostatic document reproduction machines |
| 05/31/2000 | DE19855090A1 Verfahren und Vorrichtung zum Verringern schädlicher Abgasbestandteile in einem Abgasreinigungssystem einer Brennkraftmaschine Method and apparatus for reducing harmful exhaust gas components in an exhaust gas purification system of an internal combustion engine |
| 05/31/2000 | DE19854794A1 Katalysator für die Reinigung der Abgase eines Dieselmotors Catalyst for cleaning the exhaust gases of a diesel engine |
| 05/31/2000 | DE19854549A1 Process for purifying gases comprises scrubbing the gas using an aqueous cleaning medium while simultaneously treating it with UV light |
| 05/31/2000 | DE19854502A1 Katalysatorkörper und Verfahren zum Abbau von Stickoxiden Catalyst body and method for breaking down nitrogen oxides |
| 05/31/2000 | DE19854392A1 Sauerstoffgeneratoren auf Metalloxidkeramik-Basis mit Gasreinigung Oxygen generators on metal oxide-based gas cleaning |
| 05/31/2000 | DE19854319A1 Ceramic filter used as filter element comprises a cylindrical or multi-cornered prismatic outer surface, a central channel and surrounding retentate channels coated with a filter membrane |
| 05/31/2000 | CN2380290Y Fly-ash filter |
| 05/31/2000 | CN1255105A Cerium oxides, zirconium oxides, Ce/Zr mixed oxides and Ce/Zr solid solutions having improved thermal stability and oxygen storage capacity |
| 05/31/2000 | CN1255073A Apparatus and mehtod for performing membrane gas/liquid absorption at elevated pressure |
| 05/31/2000 | CN1254611A CVI/CVD technological tail gas treating process and equipment |
| 05/31/2000 | CN1052956C Inversion absorption type constant temperature fine desulfurizing technology |
| 05/31/2000 | CN1052921C Special air purifying material and preparing process thereof |
| 05/30/2000 | US6069288 Process for selectively separating hydrogen, or both hydrogen and carbon monoxide from olefinic hydrocarbons |
| 05/30/2000 | US6069111 Catalysts for the purification of exhaust gas and method of manufacturing thereof |
| 05/30/2000 | US6069004 Circulatory microorganic deodorizing system |
| 05/30/2000 | US6069003 Process and device in so-called biofilters, and device for moistening same |
| 05/30/2000 | US6068826 Condensing chloride containing gases |
| 05/30/2000 | US6068824 From exhaust gas using adsorbent comprising either at least one noble metal selected from pt, au, ru, rh, and pd and/or compound thereof supported on carrier or the noble metal component and oxide of mn, fe, co, ni, cu, zn, pb, which may |
| 05/30/2000 | US6068823 Process for the benign direct fixation and conversion of nitrogen oxides |
| 05/30/2000 | US6068822 Desulforization method and desulfurization apparatus in geothermal power plant |
| 05/30/2000 | US6068793 Method for total material, emission-free utilization by high-temperature recycling and by fractional material-specific conversion of the resultant synthesis raw gas |
| 05/30/2000 | US6068686 Scrubber system and method of removing pollutants from a fluid |
| 05/30/2000 | US6068685 Semiconductor manufacturing system with getter safety device |
| 05/30/2000 | US6068683 Apparatus for separating and collecting hydrogen gas |
| 05/30/2000 | US6068682 Molecular sieve zeolite having a pore size of approximately 3-4 angstrom units and comprising oxides of titanium, silicon and, preferably strontium or another metal of group 2a; separation of nitrogen:methane and oxygen:argon |
| 05/30/2000 | US6068680 Rapid cycle pressure swing adsorption oxygen concentration method and apparatus |
| 05/30/2000 | US6068679 Process of and a device for producing a gas, containing at least one component, from a gas mixture |
| 05/30/2000 | US6068678 Increasing efficiency of gas separation by taking into account the size and shape of the adsorbent particles in the bed; ratio (.mu./.sigma.) of the mean granulometry (.mu.) to the breadth of distribution (sigma) in the range of 1.5-15 |
| 05/30/2000 | CA2181729C Removal of hydrogen cyanide from synthesis gas |
| 05/30/2000 | CA2178842C Catalyst unit and gas purifying apparatus |
| 05/30/2000 | CA2013100C Process for purifying exhaust gas and catalyst molded article for use in it |