| 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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| 12/18/1997 | DE19627289A1 Catalyst assembly for e.g. exhaust gas purification |
| 12/18/1997 | DE19625121A1 Fluid flow cleaner used to adsorb matter in an exhaust |
| 12/18/1997 | DE19623791A1 Selective removal of nitrogen oxide(s) from carrier gas |
| 12/18/1997 | CA2258189A1 Modified carbon adsorbents and processes for adsorption using the same |
| 12/18/1997 | CA2257509A1 Acid contacted enhanced adsorbent and/or catalyst and binder system |
| 12/17/1997 | EP0813211A1 Enrichment of krypton in oxygen/nitrogen mix gas |
| 12/17/1997 | EP0812838A1 Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate therefor |
| 12/17/1997 | EP0812619A1 Inorganic transparent photocatalytic composition |
| 12/17/1997 | EP0812339A1 Strongly basic anion-exchanging moulded bodies and a method of manufacturing the same |
| 12/17/1997 | EP0812246A1 Honeycombed body with only partial attachment to a protective tube |
| 12/17/1997 | EP0812234A1 Membrane process for treatment of chlorine-containing gases |
| 12/17/1997 | EP0812232A1 Distributor trough junctions |
| 12/17/1997 | EP0672019B1 Process for recovering sulfur and hydrogen from hydrogen sulfide |
| 12/17/1997 | CN1168192A Separation of gases |
| 12/17/1997 | CN1168108A Method and device for purifying gases |
| 12/17/1997 | CN1036703C Process for sorption of residual gas |
| 12/16/1997 | US5698172 Oxidation-reduction process |
| 12/16/1997 | US5698171 Desulfurization; using aqueous scavenger mixture |
| 12/16/1997 | US5698165 Paper carrier made of inorganic fiber having porous honeycomb structure supporting zeolite powder with high silica/alumina ratio and manganese dioxide having ozone decomposition capability |
| 12/16/1997 | US5698161 Hollow, multi-dimensional array membrane |
| 12/16/1997 | US5698028 Composition and process for improving soil |
| 12/16/1997 | US5698013 Pressure swing adsorption |
| 12/16/1997 | US5698011 Process for separating sterilant gas from diluent gas through a selective membrane |
| 12/16/1997 | US5697403 Denitrification system |
| 12/16/1997 | US5697228 Gas manufacture |
| 12/16/1997 | US5697211 Exhaust gas purification device |
| 12/16/1997 | CA2098684C Composite porous carbonaceous membranes |
| 12/16/1997 | CA2079949C Low temperature pressure swing adsorption with refrigeration |
| 12/14/1997 | CA2205739A1 Removal of nitrogen oxides from gases |
| 12/11/1997 | WO1997046482A1 Gas separation devices |
| 12/11/1997 | WO1997046473A1 Horizontal fluid bed for powder transportation and distribution |
| 12/11/1997 | WO1997046315A1 Method of separating and selectively removing hydrogen contaminant from process streams |
| 12/11/1997 | WO1997046304A1 Process and device for drying gas, especially natural gas |
| 12/11/1997 | WO1997046302A1 Exhaust gas purification apparatus |
| 12/11/1997 | WO1997038943A3 Apparatus and method for oxidizing organic materials |
| 12/11/1997 | DE19646099C1 Incineration of waste and fossil fuels |
| 12/11/1997 | DE19622976A1 Vorrichtung zur Rauchgaskühlung in Rauchgasreinigungsanlagen Apparatus for flue gas cooling in flue gas cleaning systems |
| 12/11/1997 | CA2257102A1 Exhaust gas purification apparatus |
| 12/11/1997 | CA2256734A1 Method of separating and selectively removing hydrogen contaminant from process streams |
| 12/11/1997 | CA2256360A1 Process and device for drying gas, especially natural gas |
| 12/10/1997 | EP0811755A1 Exhaust gas purifying method and apparatus for internal combustion engine |
| 12/10/1997 | EP0811671A2 Hydroconversion of waxy materials |
| 12/10/1997 | EP0811421A1 Novel sulfonated polyimide gas separation membranes |
| 12/10/1997 | EP0811419A2 Catalytic apparatus purifying exhaust gas emitted from diesel engine |
| 12/10/1997 | EP0811418A2 Exhaust gas catalyst |
| 12/10/1997 | EP0811417A2 Process for desulfurization of H2S and SO2 containing gases with formation of elemental sulfur |
| 12/10/1997 | EP0811416A2 Desulfuration of gases containing hydrogen sulfide |
| 12/10/1997 | EP0811415A2 Gas-liquid contact apparatus |
| 12/10/1997 | EP0811414A2 Process and plant using an ejector for utilizing the expansion energy of the purge gas |
| 12/10/1997 | EP0811413A2 Evacuation system |
| 12/10/1997 | EP0662941B1 Processes for converting chlorinated alkane byproducts or waste products to useful, less chlorinated alkenes |
| 12/10/1997 | EP0607185B1 Particle-loaded nonwoven fibrous article for separations and purifications |
| 12/10/1997 | CN2269895Y Non-bonded pipe type graphite falling-film absorber |
| 12/10/1997 | CN1167450A Method for seperating gaseous pollutants from hot process gases |
| 12/10/1997 | CN1167449A Nonparticulating adsorbent recirculating filter |
| 12/10/1997 | CN1167004A Method for eliminating black smoke and sulfur dioxide |
| 12/10/1997 | CN1167003A Method for treating fume and system thereof |
| 12/09/1997 | US5696785 Impurity getters in laser enclosures |
| 12/09/1997 | US5696049 Catalyst for the decomposition of nitrogen oxides and a method for denitrification using the same |
| 12/09/1997 | US5695818 Contacting membrane with gas stream containing pyrolysable carbon molecules larger than pore size of the hollow fibers while heating for pyrolysis, then purging and cooling improves permselectivity in gas separation |
| 12/09/1997 | US5695728 Method for removal of nitrogen oxides |
| 12/09/1997 | US5695727 Process for removing sulfur dioxide and nitrogen oxides from a hot gaseous stream with ferrous chelate regeneration |
| 12/09/1997 | US5695726 Removal of mercury and cadmium and their compounds from incinerator flue gases |
| 12/09/1997 | US5695723 Closed-loope |
| 12/09/1997 | US5695619 Gaseous pollutant destruction method using self-resonant corona discharge |
| 12/09/1997 | US5695616 Desulfurization, dinitrogenation |
| 12/09/1997 | US5695604 Method for reprocessing an ozone-containing gas present in a pulp bleaching plant |
| 12/09/1997 | US5695546 Method for collecting volatile organic substances |
| 12/09/1997 | US5695545 Microporous membrane contactor with nucleated polyolefin hollow fiber membrane having good dimensional stability |
| 12/09/1997 | CA2053703C Catalyst composition for purification of exhaust gas, catalyst for purification of exhaust gas, and process for producing said catalyst |
| 12/09/1997 | CA1339572C Macrocyclic amine complexes for ligand extraction and generation |
| 12/04/1997 | WO1997045887A1 Method and apparatus for desulfurizing fuel gas |
| 12/04/1997 | WO1997045363A1 Method for purifying hydrogen based gas mixtures using a lithium exchanged x zeolite |
| 12/04/1997 | WO1997045192A1 Oxidation catalyst |
| 12/04/1997 | WO1997045191A1 Apparatus and method for wet type simultaneous decontaminating and dust-removing gas treatment |
| 12/04/1997 | WO1997045190A1 Process for destroying chlorinated aromatic compounds |
| 12/04/1997 | WO1997045189A1 Air filtration device |
| 12/04/1997 | WO1997025126A3 Regenerative method and composition for removing sulfides from gas streams |
| 12/04/1997 | DE19722147A1 Catalytic nitrogen oxide suppression system for internal combustion engines |
| 12/04/1997 | DE19639808C1 Removal of gases, e.g. sulphur di:oxide from crude gas |
| 12/04/1997 | DE19621908A1 Verfahren und Vorrichtung zur Trocknung von Gas, insbesondere Erdgas Method and apparatus for drying gas, in particular natural gas |
| 12/04/1997 | DE19621881A1 Inert gas production from flue gas |
| 12/04/1997 | DE19621653A1 Conversion of greenhouse gases into fuel or chemical intermediates |
| 12/04/1997 | CA2257280A1 Oxidation catalyst |
| 12/04/1997 | CA2256731A1 Method and apparatus for desulfurizing fuel gas |
| 12/04/1997 | CA2204270A1 Pillared clay catalysts for hydroconversion |
| 12/04/1997 | CA2178045A1 Environmentally-safe apparatus for disposing of light bulbs |
| 12/03/1997 | EP0810683A1 Removal of ammonia from a reformed fuel gas stream and replenishing acid electrolyte in a phosphoric acid fuel cell |
| 12/03/1997 | EP0810191A2 Process and device to obtain mixtures of humic and biogenic products from partially biocatalytically decomposed wastes and products obtained thereby |
| 12/03/1997 | EP0810023A1 Blower |
| 12/03/1997 | EP0809531A1 Process for the catalytic treatment of flue gases |
| 12/03/1997 | EP0809530A1 Fillers for biological exhaust air purification, process for their preparation, their use and bioreactors containing them |
| 12/03/1997 | EP0711192B1 Arrangement for reducing the humidity content of a gaseous medium |
| 12/03/1997 | CN1166794A Method and apparatus for destruction of volatile organic compound flows of varying concentration |
| 12/03/1997 | CN1166793A Device for mixing particulate material and liquid |
| 12/03/1997 | CN1166791A Method for separating substances from a gaseous medium by dry adsorption |
| 12/03/1997 | CN1166530A Flow-dividing treatment method and flow divider for dedusting waste water from converter |
| 12/03/1997 | CN1166518A Slidind material for light metal materials |
| 12/02/1997 | US5693877 Comparing the difference of determined oxygen concentration at upstream and downstream position |
| 12/02/1997 | US5693788 Desiccation and prevention of retrogradation using trehalose |