| 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) |
|---|
| 06/10/1998 | CN2283513Y Adsorption boiler dust remover |
| 06/10/1998 | CN1184435A Filter device |
| 06/10/1998 | CN1184063A Desiccant container |
| 06/10/1998 | CN1183998A Magnetic air separating technology with high efficiency and low power consumption |
| 06/10/1998 | CN1038667C Method and apparatus for preparing nitrogen atmosphere by film separation for metallic heat treatment |
| 06/10/1998 | CN1038654C Devulcanizing agent prepared from waste acidic liquid and producing process thereof |
| 06/10/1998 | CN1038653C Colour changeable dewatering agent and producing process thereof |
| 06/10/1998 | CN1038652C Operating method of gas membrane separator set for gas replacement |
| 06/10/1998 | CN1038651C Method and system for dual product pressure adsorption and membrane operations |
| 06/09/1998 | US5763472 Detection of microbes in water with kits having proteins |
| 06/09/1998 | US5763352 Catalyst composition for the purification of the exhaust of diesel vehicles, catalyst using the same and preparing methods thereof |
| 06/09/1998 | US5763351 Core of complex oxide ceramics of transition metals, a layer of aluminum silicates and outer layer of ceramics containing noble metal alloys; decreases noxious substances in exhaust gases |
| 06/09/1998 | US5763350 Aluminum oxide abrasion resistant, noncombustible support uniformly impregnated with mixture of copper, iron, molybdenum and zinc oxides |
| 06/09/1998 | US5763347 In-situ crystallized zeolite containing composition (LAI-ISC) |
| 06/09/1998 | US5762899 Process for desulfurizing a H2 S-containing gas |
| 06/09/1998 | US5762893 Pollution control; degradation and absorption |
| 06/09/1998 | US5762892 Catalytic adsorbing nitrogen oxides, then oxidizing in oxygen rich air or reducing with carbon monoxide or hydrocarbon in lean oxygen air |
| 06/09/1998 | US5762885 Apparatus for removing contaminants from gaseous stream. |
| 06/09/1998 | US5762884 Treating flue gas with calcium compound, recovering gypsum |
| 06/09/1998 | US5762883 Wet flue gas desulfurization apparatus |
| 06/09/1998 | US5762763 Removing condensate mixture of water vapor and other vapors and entrained liquids from compressed gas system, collecting above mixture in a boiler maintained in negative pressure, raising temperature to boil only water into vapors, removal |
| 06/09/1998 | US5762692 Evaporative emissions control system for automotive vehicle |
| 06/09/1998 | US5762690 Dehumidifier for supplying air using variable flow rate and variable pressure in a membrane dryer |
| 06/09/1998 | US5762686 Process for determining amount of argon contamination in oxygen and related apparatus therefor |
| 06/09/1998 | US5762685 Membrane expansion process for organic component recovery from gases |
| 06/09/1998 | US5762659 Waste processing |
| 06/09/1998 | US5761910 High capacity gas storage and dispensing system |
| 06/09/1998 | CA2131201C Process for removing emissions by condensation and precipitation |
| 06/09/1998 | CA2077118C Method and apparatus for using hazardous waste to form non-hazardous aggregate |
| 06/06/1998 | CA2212474A1 Method of removing dioxins in waste incineration plant |
| 06/04/1998 | WO1998023557A1 Process and apparatus for producing fertilizer from sulfur oxide-containing gas |
| 06/04/1998 | WO1998023535A1 Method and device for producing a gas mixture containing n2, co and h¿2? |
| 06/04/1998 | WO1998023373A1 Process for producing a catalyst for cleaning exhaust gas |
| 06/04/1998 | WO1998023360A1 Treating methanol-containing waste gas streams |
| 06/04/1998 | WO1998023359A1 Process for biological removal of sulphide |
| 06/04/1998 | WO1998023358A1 A filter having hollow fibers impregnated with solid adsorbent particles |
| 06/04/1998 | DE19720209C1 Reducing nitrogen oxide(s) in I.C. engine exhaust gas |
| 06/04/1998 | DE19649356A1 Verfahren und Vorrichtung zum Herstellen eines N¶2¶, CO und H¶2¶ enthaltenden Gasgemischs Method and apparatus for producing a N¶2¶, CO and H¶2¶ containing gas mixture |
| 06/04/1998 | DE19648442A1 Removal of hydrogen fluoride and silicon from waste gas |
| 06/04/1998 | CA2273007A1 Process for biological removal of sulphide |
| 06/04/1998 | CA2271723A1 Treating methanol-containing waste gas streams |
| 06/03/1998 | EP0845443A1 Process for removing sulfur dioxide from the exhaust gases of a furnace installation |
| 06/03/1998 | EP0845289A1 Nitrogen oxide trap for an internal combustion engine |
| 06/03/1998 | EP0845288A1 Process for biological removal of sulphide |
| 06/03/1998 | EP0845287A1 Process and device for plasma gas treatment |
| 06/03/1998 | EP0845074A1 Catalyser for reducing hydrocarbons in the exhaust gases of a motor vehicle |
| 06/03/1998 | EP0845073A1 Exhaust manifold with integral catalytic converter |
| 06/03/1998 | EP0844905A2 Process for removing carbon dioxide from gas mixtures |
| 06/03/1998 | EP0844903A1 Filter and method for making a filter |
| 06/03/1998 | EP0752964B1 Moisture-absorbing device |
| 06/02/1998 | US5759949 Supported cold-complex oxidation catalyst |
| 06/02/1998 | US5759947 Mixed oxide on alumina-silica support; catalytic exhaustsystems |
| 06/02/1998 | US5759939 Composite metal oxide adsorbents |
| 06/02/1998 | US5759505 Absorption with aqueous suspension of lime or limestone |
| 06/02/1998 | US5759504 Hydrolyzing with a catalyst in the presence of water vapor |
| 06/02/1998 | US5759500 Fluid reactor with catalyst on floating tubesheet |
| 06/02/1998 | US5759498 Gas exhaust apparatus |
| 06/02/1998 | US5759496 Apparatus for removing VOC's from an exhaust gas stream |
| 06/02/1998 | US5759400 Reticulated foam structured fluid treatment element |
| 06/02/1998 | US5759394 Elongate fiber filter mechanically securing solid adsorbent particles between adjacent multilobes |
| 06/02/1998 | US5759389 Waste water treatment kit for hydrogenating trichloroethylene |
| 06/02/1998 | US5759242 Radial bed vaccum/pressure swing adsorber vessel |
| 06/02/1998 | US5759241 Desiccant canister |
| 06/02/1998 | US5759237 Process and system for selective abatement of reactive gases and recovery of perfluorocompound gases |
| 06/02/1998 | US5759236 Separation of organic compounds from gases, adsorption using active carbon in oxide carrier, heating for regeneration, cooling and desorption |
| 06/02/1998 | US5759214 Nitrogen gas supply system |
| 06/02/1998 | US5758508 For conditioning a process stream of air in an air conditioning system |
| 06/02/1998 | US5758498 Catalytic device of electrically heated type |
| 06/02/1998 | US5758496 For an automotive vehicle |
| 06/02/1998 | US5758495 Device for exhaust silencers of engines with electrostatic field |
| 06/02/1998 | US5758493 Half of engine cylinder are operated at lean air/fuel ratio and hallf at rich air/fuel ratio, the two exhaust gas streams are separated until they enter the nitrogen oxides trap, catalytic exothermic reaction removes sulfur oxides |
| 06/02/1998 | US5758489 Sulfur tolerant Pt/lithium NOx traps |
| 06/02/1998 | CA1339890C Process for removing acid gas from a gas mixture containing acid gas |
| 05/28/1998 | WO1998022756A1 A device for improving the quality of indoor air |
| 05/28/1998 | WO1998022392A1 LaMO3 TYPE COMPOSITION, M BEING ALUMINIUM, GALLIUM OR INDIUM, IN POWDER OR SINTERED FORM, METHOD OF PREPARATION AND USE AS CONDUCTOR OF OXYGEN |
| 05/28/1998 | WO1998022209A1 SELECTIVE CATALYTIC NOx REDUCTION UTILIZING UREA WITHOUT CATALYST FOULING |
| 05/28/1998 | WO1998022201A1 Method of and apparatus for purifying nitrogen oxide-containing air |
| 05/28/1998 | DE19648208A1 System keeping pentaerythrite tetraester transformer insulation dry |
| 05/28/1998 | DE19647400A1 Catalyst for reducing nitrogen oxide(s) in combustion plants |
| 05/28/1998 | CA2271916A1 A device for improving the quality of indoor air |
| 05/27/1998 | EP0844380A2 Exhaust emission control system and method of internal combustion engine |
| 05/27/1998 | EP0844373A1 Exhaust gas purification system of internal combustion engine |
| 05/27/1998 | EP0844292A1 Composition and use thereof in conversion of a gas containing hydrogen sulfide and sulfur dioxide to sulfur |
| 05/27/1998 | EP0844214A1 Synthetic chalcoalumite-type compounds and processes for producing the same |
| 05/27/1998 | EP0844014A1 Application, functional chemical composition, method of treating, incinerating method and installation for reducing nitric oxides |
| 05/27/1998 | EP0843757A1 Method for reprocessing an ozone-containing gas present in a pulp bleaching plant |
| 05/27/1998 | EP0843587A1 Process for reducing the dioxin and furan content in waste gases from furnaces, and use of the filter dusts produced thereby |
| 05/27/1998 | EP0843586A1 Flue gas treatment with mixture of alkali metal bicarbonate and alkali metal carbamate |
| 05/27/1998 | EP0750524B1 Absorbents |
| 05/27/1998 | CN2282452Y Dust removal devulcanizer |
| 05/27/1998 | CN1182716A Double-function fine dechlorination, sweetening agent and preparation method thereof |
| 05/27/1998 | CN1182634A Separating method for gas mixture containing oxygen and nitrogen |
| 05/27/1998 | CN1182633A Energy-saving comprehensive dust remover |
| 05/26/1998 | US5757660 Scrubber control system and method |
| 05/26/1998 | US5756957 Tunable molten oxide pool assisted plasma-melter vitrification systems |
| 05/26/1998 | US5756872 Process for the treatment of FCCU off gas |
| 05/26/1998 | US5756060 Process for cleaning harmful gas |
| 05/26/1998 | US5756059 Reduction of nitrogen oxides in flue gas for pollution control by reburning |
| 05/26/1998 | US5756058 Process for purifying sulfur oxides-containing gas |
| 05/26/1998 | US5756057 Method for removal of nitrogen oxides from exhaust gas |