| 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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| 12/26/2002 | US20020194991 Method and device for cleaning air in a compressed air system |
| 12/26/2002 | US20020194990 Sorption pump including an adsorption mesochannel containing adsorption media; and a heat exchanger layer; starting up a fuel cell |
| 12/26/2002 | US20020194989 Filter assembly with shaped adsorbent article; and devices and methods of use |
| 12/26/2002 | US20020194988 Conduit for flowing a stream at supersonic velocity to decrease the temperature of the fluid to below a condensation or solidification temperature of a selected component; separating nitrogen from natural gas for example |
| 12/26/2002 | US20020194844 Emission control apparatus and emission control method |
| 12/26/2002 | US20020194842 Device for purifying exhaust gas of diesel engines |
| 12/26/2002 | US20020194841 Method for determining catalyst cool down temperature |
| 12/26/2002 | US20020194840 Air-fuel ratio control apparatus of internal combustion engine |
| 12/26/2002 | US20020194835 Emission abatement system utilizing particulate traps |
| 12/25/2002 | CN2527332Y Multielement split flow composite waste gas cleaning device |
| 12/25/2002 | CN2527330Y Rock impingement wet desulfuring dust collector |
| 12/25/2002 | CN1387412A Fume extraction apparatus and assembly |
| 12/25/2002 | CN1386699A Low-temp methanol washing process |
| 12/25/2002 | CN1386584A Improvement on reactor for reducing NOx from FCC regenerator |
| 12/25/2002 | CN1386582A Ceramic body and ceramic catalyst body |
| 12/25/2002 | CN1386578A Process for preparing activated carbon fibres to remove aldehyde-containing gas |
| 12/25/2002 | CN1386577A Process for preparing dealdehydizing material |
| 12/25/2002 | CN1386576A Process for preparing material to remove aldehyde odour |
| 12/25/2002 | CN1386574A Discharging electrode and light catalyst reactor |
| 12/25/2002 | CN1386569A Heterogenetic catalytic desulfurizing and heterogenetic catalytic oxidizing process for regenerating desulfurizing liquid |
| 12/25/2002 | CN1386568A Desulfurizing agent based on modifying solid waste of fuel coal and its preparing process |
| 12/25/2002 | CN1386567A Process for removing PH3 from residual gas after fumigant insect killing |
| 12/25/2002 | CN1386566A Solution for absorbing and separating CO2 from gas mixture |
| 12/25/2002 | CN1386565A Process for enriching oxygen in air by two-stage pressure swing adsorption |
| 12/25/2002 | CN1386564A Process and device for cleaning polluted gas in chemical laboratory |
| 12/25/2002 | CN1386563A Apparatus and process for cleaning gas |
| 12/25/2002 | CN1096875C 氧化催化剂 Oxidation catalyst |
| 12/24/2002 | US6498000 Substrate having particles of a photocatalyst such as tio2, adhered on via a less degradative adhesive such as a copolymer of a vinyl ether and a fluoroolefin or a silicone |
| 12/24/2002 | US6497852 Carbon dioxide recovery at high pressure |
| 12/24/2002 | US6497851 Upstream catalyst and a downstream catalyst. the upstream catalyst contains a catalytic metal effective at least for the oxidation of hydrocarbons in the exhaust gas stream, and preferably contains a palladium catalytic component and |
| 12/24/2002 | US6497848 Catalytic trap with potassium component and method of using the same |
| 12/24/2002 | US6497846 Exhaust gas purifying system for internal combustion engine |
| 12/24/2002 | US6497795 Method and apparatus for decomposing gaseous aliphatic hydrocarbon halide compound |
| 12/24/2002 | US6497794 Desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate |
| 12/24/2002 | US6497756 Service life indicator for respirator cartridge |
| 12/24/2002 | US6497755 Air flow control in a gas fractionalization system and associated method |
| 12/24/2002 | US6497752 Membrane comprises a support layer having a sponge-like, open-pored, microporous structure and a separation layer with denser structure; used for blood oxygenation. |
| 12/24/2002 | US6497750 Pressure swing adsorption process |
| 12/24/2002 | US6497749 Bringing gas stream into contact with the front surface of a hydrophilic capillary condenser layer that captures the water and moves it adjacent the rear surface of the capillary layer; osmotic driving force; air dehumidifiers |
| 12/24/2002 | US6497748 Method and apparatus for removing non-condensible gas from a working fluid in a binary power system |
| 12/24/2002 | US6497747 Production and use of improved polyimide separation membranes |
| 12/24/2002 | US6497136 Trace-level gas analysis apparatus and method |
| 12/24/2002 | US6497098 Method and device for generating hot combustion waste gases |
| 12/24/2002 | US6497039 Method of producing an encased honeycomb body |
| 12/24/2002 | CA2118120C Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
| 12/19/2002 | WO2002101293A1 Exhaust gas treating method and treating device |
| 12/19/2002 | WO2002100984A1 Stripping process and apparatus |
| 12/19/2002 | WO2002100775A2 Carbon nanotube coatings as chemical absorbers |
| 12/19/2002 | WO2002100773A1 Syngas production utilizing an oxygen transport membrane |
| 12/19/2002 | WO2002100540A1 All-metal oxidation catalyst |
| 12/19/2002 | WO2002100520A1 Redox-catalyst for selective catalytic reduction and method for the production thereof |
| 12/19/2002 | WO2002100519A1 Exhaust gas purification unit with reducing agent supply |
| 12/19/2002 | WO2002100517A2 Method for the oxidative purification of gaseous media and all metal catalyst |
| 12/19/2002 | WO2002100507A1 A method of treating contaminated gas |
| 12/19/2002 | WO2002090731A1 Exhaust emission control device |
| 12/19/2002 | US20020193934 Closed-loop method and system for purging a vehicle emission control |
| 12/19/2002 | US20020193064 Smart air cleaning system and method thereof |
| 12/19/2002 | US20020192469 Deodorizing and absorbing material |
| 12/19/2002 | US20020192426 Ceramic honeycomb structure |
| 12/19/2002 | US20020192150 Thermally stable alumina particulates |
| 12/19/2002 | US20020192142 Carbon nanotube coatings as chemical absorbers |
| 12/19/2002 | US20020192136 Process for preparing a low-sulfur reformate gas for use in a fuel cell system |
| 12/19/2002 | US20020192135 Oxygen separation method using a ceramic membrane unit |
| 12/19/2002 | US20020192131 Device for protecting plants against post-harvest decay and method for making same |
| 12/19/2002 | US20020192129 Abatement of fluorine gas from effluent |
| 12/19/2002 | US20020192128 NOx reduction catalyst and NOx reduction system |
| 12/19/2002 | US20020189930 Emission cleaning installation and cleaning method for emissions |
| 12/19/2002 | US20020189929 Apparatus for decomposing gaseous aliphatic hydrocarbon halide compounds |
| 12/19/2002 | US20020189928 Process for microwave destruction of harmful agents and waste |
| 12/19/2002 | US20020189511 Method for burning wastes almost without generating dioxin, inhibitor of generating dioxin, and method of producing the inhibitor |
| 12/19/2002 | US20020189510 Process and system for treating material containing noxious components |
| 12/19/2002 | US20020189457 Air filter assembly for low temperature catalytic processes |
| 12/19/2002 | US20020189455 Oleophobic coated membranes |
| 12/19/2002 | US20020189450 Selective absorption of combustible components in solvent, whereby during absorption gas phase is dispersed in continuous liquid phase of solvent |
| 12/19/2002 | US20020189448 Method and apparatus for extracting water from air using a desiccant |
| 12/19/2002 | US20020189446 Contacting first side of permselective membrane with process stream comprising condensable component, passing condensable component through permselective membrane to second side of membrane, forming condensable permeate |
| 12/19/2002 | US20020189445 Process for the wellbore separation of CO2 from hydrocarbon gas |
| 12/19/2002 | US20020189444 Contacting gas with a liquid ionic compound comprising a nitrogen-containing heterocyclic cation |
| 12/19/2002 | US20020189443 Method of removing carbon dioxide or hydrogen sulfide from a gas |
| 12/19/2002 | US20020189247 Exhaust emission control device and method of controlling exhaust emission |
| 12/19/2002 | US20020189217 Exhaust gas purifying filter |
| 12/19/2002 | DE10129306A1 Filtration unit for removing pollutants from fluids, especially water, comprises agglomerates of finely divided iron oxide and oxyhydroxide |
| 12/19/2002 | DE10129304A1 Filtration unit for removing pollutants from fluids, especially water, comprises agglomerates of finely divided iron oxide and oxyhydroxide |
| 12/19/2002 | DE10128414A1 Exhaust gas system for cleaning internal combustion engine exhaust gases comprises a reducing agent supply having a hydrogen-producing unit for enriching the exhaust gas with hydrogen |
| 12/19/2002 | DE10128132A1 Solid metal catalyst used in oxidation processes in aqueous or gaseous media in presence of oxidizing agents comprises group I alloy elements, group II alloy elements, and group III alloy elements |
| 12/19/2002 | DE10128130A1 Process for the oxidative purification of gaseous media used for removing hydrogen sulfide and other sulfur-containing components from claus tail gases and other gases comprises reacting a solid metal catalyst with an oxidizing agent |
| 12/19/2002 | DE10127768A1 Nitrogen abstracted from air by molecular sieve of steam-treated coconut shell subsequently treated with hydrocarbons |
| 12/19/2002 | DE10126456A1 Vorrichtung und Verfahren zur Entfernung von Stickoxiden aus dem Abgas mager betriebener Brennkraftmaschinen Apparatus and method for removing nitrogen oxides from the exhaust lean-powered internal combustion engines |
| 12/19/2002 | DE10125365A1 Microbial decomposition of xenobiotics, useful especially for degrading isoproturon, uses mixture of fungi with oxygenase and glutathione-S-transferase activities |
| 12/19/2002 | CA2445484A1 Syngas production utilizing an oxygen transport membrane |
| 12/18/2002 | EP1267047A1 Exhaust gas purifier for internal combustion engine |
| 12/18/2002 | EP1266689A1 Regeneration process of denitrification catalysts |
| 12/18/2002 | EP1266212A1 Method for producing gas diffusion membranes by means of partial laser evaporation |
| 12/18/2002 | EP1266049A1 Ion conducting ceramic membrane and surface treatment |
| 12/18/2002 | EP1265703A2 Reactive media, methods of use and assemblies for purifying fluids |
| 12/18/2002 | EP1265696A2 Plural conduit replaceable outer support structure for radial flow system |
| 12/18/2002 | EP1265692A1 Process for purifying aqueous buffer solutions |
| 12/18/2002 | EP1265691A1 Multi-zoned catalytic trap and methods of making and using the same |
| 12/18/2002 | EP1265690A1 Tubing unit |
| 12/18/2002 | EP1265689A1 Adsorption powder for removing mercury from high temperature, high moisture gas streams |