| 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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| 10/06/2004 | CN2645754Y Wet desulfurization and dust-collecting equipment |
| 10/06/2004 | CN2645753Y Novel chlorine gas and exhaust gas absorption device |
| 10/06/2004 | CN2645752Y Composite flue gas dedusting and desulfurization device |
| 10/06/2004 | CN2645750Y Composite channel slab directional and negative pressure desulfurization and dust cleaner of dried and wet type |
| 10/06/2004 | CN1535354A Method of controlling operation of IC engine |
| 10/06/2004 | CN1534287A Porous chamber structure water absorbability testing method, water absorbility information display method and catalyst carrying method |
| 10/06/2004 | CN1533833A Preparation methocd of molecular sieve adsorption agent for separating air dependent on size/shape selectivity |
| 10/06/2004 | CN1533824A Calcium base dry particle desulfurizer and its manufacturing method |
| 10/06/2004 | CN1533823A Method of recovering chloroethylene in chloroethylene rectification tail gas using membrane separation method |
| 10/06/2004 | CN1533822A Method of comprehensively cleaning road pollution air |
| 10/06/2004 | CN1169725C Devil liquor treatment process and appts. for same and washing appts. using such appts. |
| 10/06/2004 | CN1169617C Photocatalyst materials for producing free radicals converted into negative ions |
| 10/06/2004 | CN1169604C Composite circulation fluidized dry desulfurization process for flue gas |
| 10/06/2004 | CN1169603C Method for processing contaminated gas and apparatus |
| 10/06/2004 | CN1169602C Method of utilizing sea water to eliminate SO2 from fume |
| 10/06/2004 | CN1169601C Process for removing PH3 from residual gas after fumigant insect killing |
| 10/06/2004 | CN1169600C Prep. of vegetable fiber biological filler |
| 10/05/2004 | US6800587 Iron compound catalyst for inhibiting generation of dioxin |
| 10/05/2004 | US6800586 NOx reduction composition for use in FCC processes |
| 10/05/2004 | US6800585 Catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same |
| 10/05/2004 | US6800392 Niobium alloy and hydrogen permeation membrane produced from it |
| 10/05/2004 | US6800350 Moisture-absorption sheet |
| 10/05/2004 | US6800269 Short contact time catalytic sulfur recovery system for removing H2S from a waste gas stream |
| 10/05/2004 | US6800265 Method for treating a gas containing a boric acid component |
| 10/05/2004 | US6800261 Catalytic reduction of sulfur dioxide and other components to hydrogen sulfide then oxidation to elemental sulphur |
| 10/05/2004 | US6800255 A waste recycling the by-product from semiconductor manufacturing process, apparatus comprising a burn/wet scrubber oxidizes and condenses toxic compounds; detoxification, water treatment, pollution control |
| 10/05/2004 | US6800120 Split-flow process and apparatus |
| 10/05/2004 | US6800115 Method and a device for gas treatment |
| 10/05/2004 | US6800114 Pressure equalization apparatus and methods |
| 10/05/2004 | US6800107 Honeycomb of cells stopped by plugs each surrounded by walls; porous material |
| 10/05/2004 | US6799420 Method of evaluating deteriorated state of hydrocarbon adsorbent |
| 10/05/2004 | CA2269555C Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization |
| 10/03/2004 | CA2437907A1 Exhaust gas treating device |
| 09/30/2004 | WO2004083151A1 A process for the production of a plant growth stimulator from fly ash |
| 09/30/2004 | WO2004082811A1 Method and apparatus for reducing combustion residues in exhaust gases |
| 09/30/2004 | WO2004082810A1 Membrane plate module |
| 09/30/2004 | WO2004082809A1 Process for removal of acid gases |
| 09/30/2004 | WO2004067133A3 Cyclic membrane separation process |
| 09/30/2004 | WO2004056449A3 Process for removal of so2 from off-gases by reaction with h202 |
| 09/30/2004 | WO2004033061A3 Fluorine separation and generation device |
| 09/30/2004 | WO2001030471A8 A system for collecting and utilizing atmospheric hydrogen gas |
| 09/30/2004 | US20040192995 chelate compound containing acid and iron compound oxidizer |
| 09/30/2004 | US20040192862 purification of effluents from chemical reactors, extractors, stills, air cleaners, tail gas afterburners, heat exchangers, boilers or condensers, using a networks of filters |
| 09/30/2004 | US20040192546 Catalyst for the low temperature oxidation of methane |
| 09/30/2004 | US20040192544 Production method of ceramic catalyst body |
| 09/30/2004 | US20040192538 Catalyst based on ferrierite/iron for catalytic reduction of nitrous oxide content in gases, method for obtaining same and application |
| 09/30/2004 | US20040192537 Process for the preparation of a molecular sieve adsorbent for the size/shape selective separation of air |
| 09/30/2004 | US20040191597 Solid oxide regenerative fuel cell with selective anode tail gas circulation |
| 09/30/2004 | US20040191314 Having lubricating gelatinous layer preventing crack formation in semipermeable wall during dispensing |
| 09/30/2004 | US20040191164 Treatment of synthesis gas to increase hydrogen content or carbon monoxide usiing manganese oxide catalyst and/or zirconium oxide |
| 09/30/2004 | US20040191150 Producing high surface area catalysts; heat treating noble metal component with amorphous rare earth and transition metal precursors |
| 09/30/2004 | US20040191149 Thermal electric with a carbon monoxide filter |
| 09/30/2004 | US20040191148 Forming hydrofluoric acid solution by contacting gas with water and passing through resin; regenerating column with ammonium hydroxide producing salt concentrate for disposal |
| 09/30/2004 | US20040191147 Contacting with tungsten oxide on alumina-zirconia then gamma alumina catalysts; simpler monitoring of service life and replacement; smaller device; preventing excessive generation of carbon monoxide by product; efficiency, catalyst life |
| 09/30/2004 | US20040191146 Removing powders, water soluble components and/or hydrolytic components; noncatalytic then catalytic decomposition or oxidation of fluorine compounds and/or carbon monoxide; removing acid gas product; economic, efficient |
| 09/30/2004 | US20040191145 Counter current washing with caustic soda; regenerating in desorber by completely expelling acid gas components and ammonia |
| 09/30/2004 | US20040191144 Molecular sieve CIT-6 |
| 09/30/2004 | US20040191134 Air conditioner devices |
| 09/30/2004 | US20040191133 Catalyst-carried filter, exhaust gas purification system using the same, and catalyst body |
| 09/30/2004 | US20040188354 Processing of chemicals in flow-through device with porous media |
| 09/30/2004 | US20040188248 High strength; swelling inhibition; aqueous solution of metal compound and polyvinyl alcohol |
| 09/30/2004 | US20040188238 in a combustion exhaust stream; simple, efficient |
| 09/30/2004 | US20040187690 Gas separator fixing structure and gas separating device using the same |
| 09/30/2004 | US20040187684 Silicate, aluminosilicate, titanosilicate, germanosilicate, vanadosilicate or borosilicate zeolite that may contain copper and/or cobalt oxide; 1-[1-(4-chlorophenyl)-cyclopropylmethyl]-1-ethyl-pyrrolidinium or 1-ethyl-1-(1-phenyl-cyclopropylmethyl)-pyrrolidinium cation as a structure-directing agent |
| 09/30/2004 | US20040187683 Gas recovery system to improve the efficiency of abatementand/or implement reuse/reclamation |
| 09/30/2004 | US20040187680 Method and system for reducing body weight in an enclosed atmostpheric environment |
| 09/30/2004 | US20040187561 Adjusting amount of catalyst by measuring catalyst carrier (water, steam) to obtain a standard for setting/adjusting; sticking steam or air to the surface of a partition wall in a catalyst cell unit and the surface of a pore cell; ceramic honeycomb structure for purifying an automobile exhaust gas |
| 09/30/2004 | US20040187558 Meniscus membranes for separations |
| 09/30/2004 | US20040187485 Pre-converter device for cleaning exhaust gas for an internal combustion engine |
| 09/30/2004 | US20040187452 Load-lock system, exposure processing system, and device manufacturing method |
| 09/30/2004 | US20040187384 High performance fuel processing system for fuel cell power plant |
| 09/30/2004 | DE20308366U1 Air cleansing unit, e.g. for killing microorganisms, comprises filter with acid and alkaline filter layers comprising fleece-type fabrics, charcoal layer and fixing grease |
| 09/30/2004 | DE19840345B4 Verfahren und Vorrichtung zum quantitativen Aufspüren eines vorgegebenen Gases Method and apparatus for the quantitative detection of a given gas |
| 09/30/2004 | DE10313575A1 Cartridge arrangement for an air dryer in compressed air installations of vehicles comprises a unit for removing damaging carbon compounds from the air in the flow direction from an inlet to an outlet connected to a unit for drying the air |
| 09/30/2004 | DE10313155A1 Verfahren zur Herstellung eines Abgaskatalysators A process for producing a catalytic converter |
| 09/30/2004 | DE10312916A1 Verfahren zur Abtrennung von 2-Butanol aus tert.-Butanol/Wasser-Gemischen A process for separating 2-butanol from t-butanol / water mixtures |
| 09/30/2004 | DE10311950A1 Membrane module, useful for fluid separation, vapor permeation or pervaporation, comprises at least three parallel membrane plates each having at least four corners connected in pairs |
| 09/30/2004 | DE10310024A1 Verfahren zur Aufheizung eines Katalysators A method for heating a catalyst |
| 09/30/2004 | DE102004012272A1 Abgasreinigungskatalysator, Herstellungsverfahren davon und Abgasreinigungssystem Exhaust gas purifying catalyst preparation method thereof, and Emission Control System |
| 09/30/2004 | CA2560393A1 Method and apparatus for reducing combustion residues in exhaust gases |
| 09/29/2004 | EP1462431A1 Process for the separation of 2-butanol from tert.-butanol/water mixtures |
| 09/29/2004 | EP1462427A2 Perovskite complex oxide and method of producing the same |
| 09/29/2004 | EP1462171A1 Water absorption measuring method of porous cell structure, water absorption information display method and method for carrying a catalyst on a porous support |
| 09/29/2004 | EP1461514A1 A device for exhaust gas purification |
| 09/29/2004 | EP1461296A1 Recycle for supercritical carbon dioxide |
| 09/29/2004 | EP1461168A1 Method for the oxidative treatment of bulk material |
| 09/29/2004 | EP1461139A1 Method for purifying off-gases from a melamine-producing installation |
| 09/29/2004 | EP1461138A2 Installation for producing products using a fluid |
| 09/29/2004 | EP1461137A1 Crosslinked and crosslinkable hollow fiber membrane and method of making same |
| 09/29/2004 | EP1461136A1 Solution and method for scavenging sulphur compounds |
| 09/29/2004 | EP1461135A1 Apparatus and method for purifying air in a ventillation system |
| 09/29/2004 | EP1461132A1 Improved conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids |
| 09/29/2004 | EP1337315B1 Method for the treatment of waste gas from a cellulose plant |
| 09/29/2004 | EP0986515B1 Method for preparing compositions containing essentially an absorbent anhydrous alkaline metal carbonate |
| 09/29/2004 | CN2644956Y Indoor use unwanted gas purification equipment |
| 09/29/2004 | CN2643987Y Desulfurizer and denitration device by electron beam ammonia process |
| 09/29/2004 | CN2643986Y Highly effective multistage desulfulrization dust extractor by wet process |
| 09/29/2004 | CN2643985Y Transformation and absorption device for high concentration oxygen by use of air separation |
| 09/29/2004 | CN1533360A Water vapor transfer device for fuel cell reformer |
| 09/29/2004 | CN1532495A 冰箱 Refrigerator |