| 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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| 09/29/2004 | CN1532382A Waste gas purifying system and method for determining regeneration termination |
| 09/29/2004 | CN1532222A Solid electrolyte and electrochemical system using said solid electrolyte |
| 09/29/2004 | CN1532177A Process for separating 2-butanol from tertiary butanol/ water mixture |
| 09/29/2004 | CN1532000A Air purifier |
| 09/29/2004 | CN1531997A Method for preparing composite perovskite oxide loaded palladium catalyst |
| 09/29/2004 | CN1531993A Treating device for discharged smoke pollution |
| 09/29/2004 | CN1531992A Method for impvoding waste gas purifying offect in semiconductor production |
| 09/29/2004 | CN1531991A Sulfur dioxide removing agent |
| 09/29/2004 | CN1531990A Waste gas discharging and treating system |
| 09/29/2004 | CN1531987A Fine distributor of fluid |
| 09/29/2004 | CN1169192C Semiconductor production system |
| 09/29/2004 | CN1168932C Method and apparatus for dehumidifying air |
| 09/29/2004 | CN1168931C Air conditioning system |
| 09/29/2004 | CN1168798C Method for treating combustible waste and active carbon produced by said method |
| 09/29/2004 | CN1168655C Method and device for reduction of nirogen protoxide |
| 09/29/2004 | CN1168532C Catalyst for catalytic decomposition of nitrogen oxide and its preparing method |
| 09/29/2004 | CN1168528C Continuous regenerating moving-bed waste-gas treatment tower and use thereof |
| 09/29/2004 | CN1168527C Process for treating flue gas |
| 09/29/2004 | CN1168526C Improved complex iron method for removing sulfide from gas |
| 09/29/2004 | CN1168525C Energy saving raw material gas purifying methanol washing method |
| 09/29/2004 | CN1168524C Pressure swing adsorption gas separation method, using adsorbents with high intrinsic diffusivity and low pressure ratios |
| 09/29/2004 | CN1168523C Rate-enhanced gas separation |
| 09/29/2004 | CN1168522C VPSA process using improved adsorbent materials |
| 09/29/2004 | CN1168521C Apparatus and process for cleaning gas |
| 09/28/2004 | US6797854 Process for drying a gaseous or liquid mixture with the aid of an adsorber composed of alumina and of a molecular sieve |
| 09/28/2004 | US6797668 Exhaust gas purifying catalyst |
| 09/28/2004 | US6797666 Honeycomb filter and process for production thereof |
| 09/28/2004 | US6797663 Zeolite on catalyst support |
| 09/28/2004 | US6797247 Material with a channel structure for eliminating oxides of nitrogen |
| 09/28/2004 | US6797246 Apparatus and method for cleaning, neutralizing and recirculating exhaust air in a confined environment |
| 09/28/2004 | US6797182 To remove oxygen and water; for semiconductors |
| 09/28/2004 | US6797127 Process and apparatus for purification of oxygen-containing gas |
| 09/28/2004 | US6797045 Scrubber |
| 09/28/2004 | US6797044 Air filter device |
| 09/28/2004 | US6797043 Encapsulated CO2 H2O sorbent |
| 09/28/2004 | US6797039 Methods and systems for selectively separating CO2 from a multicomponent gaseous stream |
| 09/28/2004 | US6797038 An adsorber for selective adsorption to separate ethylene, propylene, butylene from a mixed gas |
| 09/28/2004 | US6797037 Dehydrating breather apparatus and method |
| 09/28/2004 | US6797036 Method for removing impurities from process gas stream |
| 09/28/2004 | US6797027 Filter assemblies and systems for intake air for fuel cells |
| 09/28/2004 | US6796896 Environmental control unit, and air handling systems and methods using same |
| 09/28/2004 | US6796118 Nox trap catalyst; air/fuel ratio controller; switching between diffusion and premix combustion modes |
| 09/28/2004 | CA2140529C Hygroscopic cartridge particularly for filters for medical use |
| 09/23/2004 | WO2004081478A1 Heat exchanger |
| 09/23/2004 | WO2004081460A1 Humidity control device |
| 09/23/2004 | WO2004081459A1 Humidity control device |
| 09/23/2004 | WO2004081458A2 Unit for filtering and treatment of organic compounds, method for production thereof and air-conditioning unit provided with such a unit |
| 09/23/2004 | WO2004081247A2 Iron-chromium-aluminum alloy |
| 09/23/2004 | WO2004081148A2 Hydrogen desulfurizer hydrocarbon feeds with seperated adsorption and catalyst material |
| 09/23/2004 | WO2004080941A2 Method of manufacturing acetic acid |
| 09/23/2004 | WO2004080796A2 Adsorber for the production and supplying oxygen to passengers of an aircraft and method for the implementation of an oxygen generator comprising said absorber |
| 09/23/2004 | WO2004080740A1 System and method for removing pollutants from a roadway |
| 09/23/2004 | WO2004080594A1 Porous metal honeycomb support of an automobile exhaust gas cleaning catalyst |
| 09/23/2004 | WO2004080592A1 Catalyst produced by using multi-element metal colloid |
| 09/23/2004 | WO2004080588A1 Desulfurizing agent and method for production thereof, method for desulfurization, and method for producing hydrogen for fuel cell |
| 09/23/2004 | WO2004080578A1 Purification of fluids with nanomaterials |
| 09/23/2004 | WO2004080574A1 Mercury and process for removing mercury from gases |
| 09/23/2004 | WO2004080573A1 Regeneration of an aqueous solution from an acid gas absorption process by multistage flashing and stripping |
| 09/23/2004 | WO2004080558A2 Method of extracting carbon dioxide and sulphur dioxide by means of anti-sublimation for the storage thereof |
| 09/23/2004 | WO2004080497A1 Heat regenerative deodorizing filter |
| 09/23/2004 | WO2004071646A3 SYSTEM AND METHOD OF NOx ABATEMENT |
| 09/23/2004 | US20040186339 System and method of capturing and destroying organic hazardous agents released within an enclosed space |
| 09/23/2004 | US20040186303 Burning an exhaust gas containing oxygen and a combustible component |
| 09/23/2004 | US20040186018 layers of electroconductive metal oxides, having porous layers containing metal catalysts and channeled supports, used for hydrocarbon oxidation |
| 09/23/2004 | US20040186016 Oxygen storage material, process for its preparation and its application in a catalyst |
| 09/23/2004 | US20040185661 Scrubber system for pretreatment of an effluent waste stream containing arsenic |
| 09/23/2004 | US20040185400 Catalytic combustor for a gas turbine |
| 09/23/2004 | US20040185312 Integrated membrane shift methanation reactor for carbon monoxide clean-up |
| 09/23/2004 | US20040185254 Gas storage and dispensing system with monolithic carbon adsorbent |
| 09/23/2004 | US20040185078 Methods for removing a contaminant by a polyoxometalate-modified fabric or a polyoxometalate-modified cellulosic fiber and fabrics thereof |
| 09/23/2004 | US20040184980 Production and use of tetrafluorosilane |
| 09/23/2004 | US20040184978 Method for catalytic reduction of nitrogen oxides and catalyst for use therein |
| 09/23/2004 | US20040184975 Air cleaner |
| 09/23/2004 | US20040184971 specifically designed for a nonroad engine having no more than 25 horsepower; adapted to employ with a portable generator or a lawn mower to minimize air pollution |
| 09/23/2004 | US20040184962 heat exchanger, which is provided with catalytically acting surface coating for direct ozone removal |
| 09/23/2004 | US20040184907 Method of altering a fluid-borne contaminant |
| 09/23/2004 | US20040183216 Gas - liquid contactor |
| 09/23/2004 | US20040183055 Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane |
| 09/23/2004 | US20040182786 Providing an integrated separation apparatus; withdrawing from column a fluid stream derived by fractional distillation from a feedstock; distributing stream into a membrane device to separate from stream permeate and non-permeate fluids containing different amounts of compounds; controlling enthalpy |
| 09/23/2004 | US20040182314 Nonthermal plasma processor utilizing additive-gas injection and/or gas extraction |
| 09/23/2004 | US20040182306 Method of forming a joint |
| 09/23/2004 | US20040182242 Supporting base for gas separation membrane, producing method thereof and gas separation filter |
| 09/23/2004 | US20040182241 Reduction of the aerosol-related discharge from a separation column and apparatus therefor |
| 09/23/2004 | US20040182240 Hydrocarbon vapors present in air induction system after engine shut-down are retained in adsorbent member until air flows through induction system after engine starts; internal combustion engines |
| 09/23/2004 | US20040182239 Diffusion membrane; flow-restrictor for purge gas feed line |
| 09/23/2004 | US20040182052 Intermittent mixer with low pressure drop |
| 09/23/2004 | US20040182013 Liquid distributor |
| 09/23/2004 | DE10346471B4 Verfahren zur biologischen Gasaufbereitung Process for the biological gas treatment |
| 09/23/2004 | DE10311602A1 Heat exchanger for use in drying gas e.g. compressed air, has gas/cooling medium heat exchange unit to cool gas flowing through gas outlet side gaps defined by parallel stainless steel plates |
| 09/23/2004 | DE10310455A1 Verfahren zur Verminderung der Geruchs- oder Schadstoffbelastung in Innenräumen A method for reducing the odor or exposure to indoor pollutants |
| 09/23/2004 | DE102004002537A1 Katalysator mit integriertem geräuschdämmendem Hitzeschutzblech Catalyst with integrated sound-absorbent heat shield |
| 09/23/2004 | CA2529720A1 Iron-chromium-aluminum alloy |
| 09/23/2004 | CA2518723A1 System and method for removing pollutants from a roadway |
| 09/23/2004 | CA2518044A1 Method of extracting carbon dioxide and sulphur dioxide by means of anti-sublimation for the storage thereof |
| 09/22/2004 | EP1460337A2 Exhaust gas cooling system |
| 09/22/2004 | EP1460245A1 Diesel particulate filter unit and regeneration control method of the same |
| 09/22/2004 | EP1459800A2 Planar ceramic membrane assembly and oxidation reactor system |
| 09/22/2004 | EP1459799A1 Method for treating exhaust gas containing volatile hydrocarbon, and apparatus for practicing said method |
| 09/22/2004 | EP1459798A1 Gas separation method and device |
| 09/22/2004 | EP1459797A2 Redundant gas purification system |