| 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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| 05/16/2000 | CA2134821C Catalytic cracking process |
| 05/16/2000 | CA1340993C Method and device for producing pure elemental iodine |
| 05/11/2000 | WO2000026663A1 Airborne contaminant indicator |
| 05/11/2000 | WO2000026592A1 Pfc type gas recovery method and device |
| 05/11/2000 | WO2000026518A1 Plasmatron-catalyst system |
| 05/11/2000 | WO2000026432A1 Nickel carbonyl vapour deposition apparatus and process |
| 05/11/2000 | WO2000026162A1 Treatment of fluids with electromagnetic radiation |
| 05/11/2000 | WO2000026154A2 Binder systems derived from amorphous silica and bases |
| 05/11/2000 | WO2000026074A1 Single plate compaction and seal design for a compressed air dryer |
| 05/11/2000 | WO2000025922A2 Multi-well microfiltration apparatus |
| 05/11/2000 | WO2000025909A1 Electro-kinetic air transporter-conditioner |
| 05/11/2000 | WO2000025901A1 Process for low temperature removal of volatile organic compounds from industrial exhaust gas |
| 05/11/2000 | WO2000025900A1 Method and device for recovering hydrocarbon vapor |
| 05/11/2000 | WO2000025899A1 Method of reducing discharged carbon dioxide |
| 05/11/2000 | WO2000025898A2 Compositions, methods and devices for the production of oxygen and hydrogen |
| 05/11/2000 | WO2000025897A1 Bore-side feed modules with permeate flow channels |
| 05/11/2000 | WO2000025896A1 Gas chemical filter having compression mechanism; and methods |
| 05/11/2000 | WO2000025895A1 Method for separating condensable substances from gases or gas mixtures |
| 05/11/2000 | WO2000025611A1 Cigarette filter |
| 05/11/2000 | WO2000025610A1 Filter for selective removal of a gaseous component |
| 05/11/2000 | DE19934028A1 Device for enrichment of oxygen in combustion air of internal combustion engines has gas centrifuge driven by exhaust gas turbine driven by combustion exhaust gases, and with housing of centrifuge flanged on exhaust pipe |
| 05/11/2000 | DE19852866A1 Vehicle exhaust gas cleaner comprises negatively charged metal strips that emit electrons, and a positively charged strip which attracts negatively charged soot particles and poisons |
| 05/11/2000 | DE19851843A1 Process for sulfate regeneration of a NOx storage catalyst comprises regulating the reductant amount for desulfatizing by changing parameters of a two-point lambda regulator |
| 05/11/2000 | DE19851660A1 Behälter zur Aufnahme von körnigem Adsorptionsmittel für die Gasreinigung Container for holding granular adsorbent for gas purification |
| 05/11/2000 | DE19851564A1 Process for conducting and testing the activity of a nitrogen oxides storage catalyst comprises comparing the ageing factor of the catalyst with a number of threshold values of different levels |
| 05/11/2000 | DE19851319A1 Verfahren zum Bestimmen der NOx-Rohemission einer mit Luftüberschuß betreibbaren Brennkraftmaschine A method for determining the untreated NOx emissions can be operated with an excess air combustion engine |
| 05/11/2000 | DE19850998A1 Air filter is made from pre-shaped polyurethane foam with binding agent and active carbon granules |
| 05/11/2000 | DE19843785A1 Heat exchanger pipe vortex generator has several gas pipes with temperature higher than gas |
| 05/11/2000 | DE19836585C1 Au/Fe¶2¶0¶3¶-Katalysatormaterialien, Verfahren zu deren Herstellung und deren Verwendung Au / Fe¶2¶0¶3¶-catalyst materials, processes for their preparation and their use |
| 05/11/2000 | CA2349008A1 Cigarette filter |
| 05/11/2000 | CA2344579A1 Airborne contaminant indicator |
| 05/10/2000 | EP0999352A2 Method and apparatus for controlling and monitoring the ageing of a catalytic converter in the exhaust gas of internal combustion engines and of the harmful emissions |
| 05/10/2000 | EP0999274A2 DNA fragment carrying toluene monooxygenase gene, recombinant plasmid, transformed microorganism, method for degrading chlorinated aliphatic hydrocarbon compounds and aromatic compounds, and method for environmental remediation |
| 05/10/2000 | EP0999184A1 Single phase metal-alumina materials including alkali metals made from heterometallic alkoxides |
| 05/10/2000 | EP0999180A2 Process for reducing carbon production in solid electrolyte ionic conductor systems |
| 05/10/2000 | EP0998986A2 Device for capturing and aspirating fluids |
| 05/10/2000 | EP0998970A1 Sol-gel processed alumina-based metal oxides for absorbing nitrogen oxides in oxidizing exhaust gas |
| 05/10/2000 | EP0998969A1 PSA installation using valves with high and heterogeneous operating time |
| 05/10/2000 | EP0998627A1 Exhaust gas control system for diesel engine exhaust gases |
| 05/10/2000 | EP0998625A1 REDUCING NOx EMISSIONS FROM AN ENGINE WHILE MAXIMIZING FUEL ECONOMY |
| 05/10/2000 | CN2376993Y Integral flue gas desulfuration dust-collecting apparatus |
| 05/10/2000 | CN2376992Y Turbulent flue gas purifying tower |
| 05/10/2000 | CN2376991Y Baffle plate type adsorption separating tower |
| 05/10/2000 | CN2376990Y Separating tube for purifying flue gas |
| 05/10/2000 | CN2376987Y Smoke-eliminating desulfuration dust-reducing device for industrial kiln or furance |
| 05/10/2000 | CN2376984Y Wet impingement desulfuration dust-collector |
| 05/10/2000 | CN1252844A In situ getter pump system and method |
| 05/10/2000 | CN1252737A Method for regenerating a loaded wash liquid from a gas desulfurization facility |
| 05/10/2000 | CN1252322A Variable pressure absorbing method for producing oxygen-enriched gas |
| 05/10/2000 | CN1252321A Filter, apparatus with formed absorbent and using method |
| 05/10/2000 | CN1252274A Potassium clavulanate and crystallized sodium larotid medicinal preparation |
| 05/10/2000 | CN1052268C Element for electrochemical reactor or reactor cell |
| 05/10/2000 | CN1052170C Purifying catalyst for gas exhausted from IC engine |
| 05/10/2000 | CA2288543A1 Method and apparatus for recovering water from air |
| 05/09/2000 | US6060699 Electrode structure for high temperature heated body |
| 05/09/2000 | US6060420 Composite oxides of A-site defect type perovskite structure as catalysts |
| 05/09/2000 | US6060148 Ceramic honeycomb structural body |
| 05/09/2000 | US6060034 Passed through a bed of adsorbent comprising sodalime having a moisture content of less than 3% by weight, to substantially remove all of the clf3 compound from the clf3 containing gas with substantially no generation of byproducts. |
| 05/09/2000 | US6060033 Process for removing HCl from hydrocarbon streams |
| 05/09/2000 | US6060032 Layered adsorbent bed for carbon monoxide production |
| 05/09/2000 | US6060031 Method for neutralizing acid gases from laser exhaust |
| 05/09/2000 | US6060030 Detached plume abatement method |
| 05/09/2000 | US6060026 Photoelectrochemical device containing a quantum confined silicon particle |
| 05/09/2000 | US6059866 Air washer |
| 05/09/2000 | US6059863 Plant for the separation of gases by adsorption, and use for the treatment of air flows |
| 05/09/2000 | US6059862 Waterproof cylinder casing for gas passageway; (de)humidifier |
| 05/09/2000 | US6059860 Adsorptive particles in polyolefin matrix and wax |
| 05/09/2000 | US6059859 Method, composition and apparatus for water removal from non-corrosive gas streams |
| 05/09/2000 | US6059858 High temperature adsorption process |
| 05/09/2000 | US6059857 Vaporization; membrane separation; filtration; ion exchanging |
| 05/09/2000 | US6059856 Passing gas mixture through membrane using pump |
| 05/09/2000 | US6058701 Exhaust purification apparatus and method for internal combustion engines |
| 05/09/2000 | US6058699 Exhaust gas depollution system and process |
| 05/09/2000 | US6058698 Device for purifying the exhaust gas of an internal combustion engine |
| 05/09/2000 | CA2288546A1 Method and apparatus for concentrating a gas using a single stage adsorption zone |
| 05/09/2000 | CA2214154C Temperature-gradient type multistage condenser |
| 05/09/2000 | CA2063811C Nitrogen oxides reduction using a urea hydrolysate |
| 05/06/2000 | CA2288949A1 Device for collecting and sucking off fluids |
| 05/06/2000 | CA2286885A1 Psa plant using valves having long and heterogeneous operating times |
| 05/04/2000 | WO2000025557A1 Microwave plasma generating apparatus, method for decomposing or ganic halide, and system for decomposing organic halide |
| 05/04/2000 | WO2000025022A1 Method and device for treating geothermal fluids |
| 05/04/2000 | WO2000025014A1 Oxygen enrichment device for the combustion air of internal combustion engines |
| 05/04/2000 | WO2000024648A1 Pouch assembly for moisture control |
| 05/04/2000 | WO2000024507A1 Adsorbent for hydrocarbon and catalyst for exhaust gas purification |
| 05/04/2000 | WO2000024500A1 Thermomembrane method and device |
| 05/04/2000 | WO2000024498A1 Carbon fiber composite molecular sieve electrically regenerable air filter media |
| 05/04/2000 | DE19938038A1 Abgasbehandlungsvorrichtung mit variierender Zelldichte Exhaust treatment device with varying cell density |
| 05/04/2000 | DE19850557A1 Verfahren zur Abtrennung von kondensierbaren Substanzen aus Gasen oder Gasgemischen Process for the separation of condensable substances in gases or gas mixtures |
| 05/04/2000 | DE19850338A1 Verfahren und Einrichtung zur Kontrolle und Beobachtung der Alterung eines Katalysators im Abgas von Verbrennungskraftmaschinen und des Schadstoffausstoßes Method and apparatus for monitoring and control of the aging of a catalyst in the exhaust of internal combustion engines and gas emissions |
| 05/04/2000 | DE19850141A1 Formkörper Moldings |
| 05/04/2000 | DE19850054A1 Improved removal of mercury from combustion exhaust gases uses a wash solution containing bromide ions in addition to hydrogen peroxide |
| 05/04/2000 | DE19849389A1 Automotive passenger cabin air filter comprises electrically heated woven carbon fiber core for regular regeneration and extended service life |
| 05/04/2000 | DE19731167A1 Biological room ventilation and air filtration system comprises filter chambers, dust pre-separators and a low-pressure main tank |
| 05/04/2000 | CA2344651A1 Thermomembrane method and device |
| 05/03/2000 | EP0997626A1 Method to control the purging of nitrogen oxides from an exhaust gas catalytic converter of an internal combustion engine |
| 05/03/2000 | EP0997450A1 METHOD OF REDUCING NO x |
| 05/03/2000 | EP0997190A1 Ellipsoidal adsorbent particles and use thereof in a method for producing gas |
| 05/03/2000 | EP0997188A1 Packing element |
| 05/03/2000 | EP0997179A1 Liquid distributor for column packing |
| 05/03/2000 | EP0996494A1 Method for catalytic reduction of nitric oxides |