| 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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| 03/30/1999 | US5888924 Catalytic deozonization |
| 03/30/1999 | US5888470 Partially oxidizing hydrocarbon gas mixture to produce hydrogen and carbon monoxide, passing through membrane separator, forwarding retentate to electricity generator, separating permeate by adsorption to obtain pure hydrogen |
| 03/30/1999 | US5888465 Process for separating hydrogen halides from gases containing sulphur dioxide |
| 03/30/1999 | US5888464 Catalyst composition containing an intimately combined cerium-zirconium oxide |
| 03/30/1999 | US5888457 Catalytic converter |
| 03/30/1999 | US5888456 Comprising a housing, a honeycomb heater and a catalytic element-showing improved durability |
| 03/30/1999 | US5888434 Process for making a microporous membrane from a blend containing a poly (phenylene sulfide) polymer, an amorphous polymer, and optionally a solvent |
| 03/30/1999 | US5888396 Bioremediation of chlorinated aliphatic, chlorinated aromatic, or non-chlorinated atomatic hydrocarbon pollutants; low tetrachloroethene toxicity and improved degradation compared to conventional bacteria |
| 03/30/1999 | US5888273 High temperature gas purification system |
| 03/30/1999 | US5888272 Process for enriched combustion using solid electrolyte ionic conductor systems |
| 03/30/1999 | US5888271 Ozone generated electrically from oxygen is supplied to an adsorption/desorption means for storage the partial pressure of ozone is increased incrementally; continuous supply of ozone stably to consumer |
| 03/30/1999 | US5887973 Device for mixing particulate material and liquid |
| 03/30/1999 | US5887439 Hypoxic cleanroom systems for industrial applications |
| 03/30/1999 | US5887427 Electrically insulating gas tight penetration |
| 03/30/1999 | US5887422 Exhaust gas purification method and apparatus therefor |
| 03/30/1999 | CA2249060A1 Catalyst-adsorbent for exhaust gas purification and method for exhaust gas purification |
| 03/30/1999 | CA2176379C Non-welded support plate member |
| 03/30/1999 | CA2144221C Modified scoop and oxidation system |
| 03/30/1999 | CA2140181C Adsorptive separation of nitrogen from other gases |
| 03/30/1999 | CA2139604C Ion transport membranes with catalyzed dense layer |
| 03/30/1999 | CA2139603C Ion transport membranes with catalyzed mixed conducting porous layer |
| 03/30/1999 | CA2119848C Exhaust gas purifying apparatus |
| 03/30/1999 | CA2111183C Horizontal wet scrubbing apparatus and method for removing sulfur dioxide from a gaseous stream |
| 03/30/1999 | CA2100189C Packing element |
| 03/30/1999 | CA2033560C Sulfur dioxide removal from flue gases with sulfite oxidation inhibition |
| 03/30/1999 | CA2029394C Process for purification of offgases |
| 03/30/1999 | CA2023004C Removal of trialkyl arsines from fluids |
| 03/30/1999 | CA2012035C Method for reduction of nitrogen oxides with ammonia using zeolite catalysts |
| 03/25/1999 | WO1999014535A1 Air conditioning system having improved indirect evaporative cooler |
| 03/25/1999 | WO1999014531A1 METHOD AND APPARATUS FOR REDUCING NOx EMISSIONS IN CFB REACTORS USED FOR COMBUSTION OF FUEL CONTAINING LARGE AMOUNTS OF VOLATILE COMBUSTIBLE COMPONENTS |
| 03/25/1999 | WO1999013985A1 Method and device for catalytic emissions cleaning |
| 03/25/1999 | WO1999013981A1 Exhaust emission control catalyst |
| 03/25/1999 | WO1999013973A1 Reactor for processing gaseous media |
| 03/25/1999 | WO1999013972A1 Static mixer |
| 03/25/1999 | WO1999013971A1 Method for reducing the dioxins in a waste gas of a technical installation at low temperatures |
| 03/25/1999 | WO1999013970A1 Method for recycling spent catalysts |
| 03/25/1999 | WO1999013969A1 Fluid separation system |
| 03/25/1999 | WO1999013968A1 Separation of acid gases from gas mixtures |
| 03/25/1999 | WO1999013967A1 Installation for separation of co2 from gas turbine flue gas |
| 03/25/1999 | WO1999013966A1 Fluid separation system |
| 03/25/1999 | WO1999013965A1 Method for carrying out chemical reactions |
| 03/25/1999 | WO1999013964A1 Separation of acid gas from combustion gases |
| 03/25/1999 | WO1999013963A1 Separation of acid gas from natural gas |
| 03/25/1999 | WO1999013962A1 Fluid separation system |
| 03/25/1999 | WO1998048921A9 Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using the autothermic reactor for producing synthesis gas |
| 03/25/1999 | DE19815004C1 Catalytic purification of flue gases |
| 03/25/1999 | DE19756662C1 Band filter purifying passenger compartment air |
| 03/25/1999 | DE19741498A1 Ceramic/stainless steel composite material used in the production of e.g. membrane filters |
| 03/25/1999 | DE19741315A1 Prolonging life of exhaust system, especially catalyst for purifying engine exhaust gas |
| 03/25/1999 | DE19680694C1 Electrofilter operation in IC engine |
| 03/25/1999 | CA2304226A1 Separation of acid gases from gas mixtures |
| 03/25/1999 | CA2303376A1 Method for carrying out chemical reactions |
| 03/25/1999 | CA2303374A1 Fluid separation system |
| 03/25/1999 | CA2300944A1 Method and apparatus for reducing nox emissions in cfb reactors used for combustion of fuel containing large amounts of volatile combustible components |
| 03/24/1999 | EP0903495A2 Variable capacity swash-plate-type refrigerant compressor |
| 03/24/1999 | EP0903481A1 Exhaust gas purifying device of cylinder injection internal combustion engine |
| 03/24/1999 | EP0903480A2 Heater unit |
| 03/24/1999 | EP0903479A2 An exhaust gas purification device for an internal combustion engine |
| 03/24/1999 | EP0903478A2 An exhaust gas purification device for an internal combustion engine |
| 03/24/1999 | EP0903476A1 Exhaust emission control catalyst, exhaust emission control catalyst manufacturing method, exhaust emission control filter, exhaust emission control filter manufacturing method, and exhaust emission control apparatus |
| 03/24/1999 | EP0903173A2 Membrane dryer for humid air |
| 03/24/1999 | EP0903172A1 Process for shut-down of a membrane operation |
| 03/24/1999 | EP0903171A1 Method of treating or recovering gaseous hydrocarbon contained in waste gas |
| 03/24/1999 | EP0902871A1 Device for cooling hot gasses |
| 03/24/1999 | EP0902861A1 Catalytic converter for a lean burn engine |
| 03/24/1999 | EP0902755A1 Gas separation devices |
| 03/24/1999 | EP0902725A1 Method of separating and selectively removing hydrogen contaminant from process streams |
| 03/24/1999 | EP0902721A1 Device for aftertreatment of waste gas through a combination of gas discharge and catalyst |
| 03/24/1999 | EP0830196A4 Enzyme systems for gas processing |
| 03/24/1999 | EP0802824B1 Catalytic composition based on cerium oxide and manganese, iron or praseodymium oxide, method for preparing same and use thereof in motor vehicle post-combustion catalysis |
| 03/24/1999 | EP0684976B1 A perovskite-type fcc nox reduction additive |
| 03/24/1999 | CN1211936A Desulfurizing method and apparatus by irradiation of electron beam |
| 03/24/1999 | CN1211704A System for eliminating purple smoke from exhaust gas |
| 03/24/1999 | CN1211673A Method for producing metallic carrier and metallic carrier for exhausting system of IC engine |
| 03/24/1999 | CN1211468A Improved binding type zeolite adsorbent, its producing process and its application in non-deep-cooling separation of industrial gas |
| 03/24/1999 | CN1211465A Process for removing sulphur dioxide from flue gases |
| 03/24/1999 | CN1211464A Equipment for removing SO2 from flue-gas and producing ammonium sulfate |
| 03/24/1999 | CN1042623C Process for hydrolizing refining desulfuration of synthetic ammonia material gas at normal temp. |
| 03/24/1999 | CN1042599C High-efficiency deodorizing fan heater |
| 03/23/1999 | US5885923 Exhaust gas cleaner |
| 03/23/1999 | US5885845 Method for detecting inorganic hydrides, inorganic halides and organometallic compounds in a gas using copper hydroxide |
| 03/23/1999 | US5885539 Gases emitted from aluminum production process is brought in contact with aluminum oxide adsorbent, which can be recycled as a raw material; multistage countercurrent adsorption, desorption for removal of fluorine cotaining gases |
| 03/23/1999 | US5885537 Method and device for purifying gases |
| 03/23/1999 | US5885487 Corrosion inhibitor for alkanolamine units |
| 03/23/1999 | US5885481 Efficiency oxygen-scavenging compositions and articles |
| 03/23/1999 | US5885454 Cylindrical casing enclosing bundle bound with thermoplastic resin at tapered casing ends |
| 03/23/1999 | US5885331 Process for the adsorption of nitrogen from gas mixtures by means of pressure swing adsorption with zeolites |
| 03/23/1999 | US5885330 Electrostatic separator comprising tribocharger for electrostatically charging carbon and fly ash particles to opposite polarity, electromagnetic field generating plates, and vibrator to dislodge particles accumulated on plates |
| 03/23/1999 | US5885329 Automatically providing constant dew point for a gas (i.e., air) regardless of ambient pressure variations by controlling pressurized gas flow through membrane cartridge |
| 03/23/1999 | US5885313 Temperature-gradient type multistage condenser |
| 03/23/1999 | US5884895 Device for the time-dependent control of the duration of regeneration of an air drier |
| 03/23/1999 | US5884476 Exhaust gas purifying device for engine |
| 03/23/1999 | US5884475 Method and device for introducing liquid into an exhaust-gas purification system |
| 03/23/1999 | US5884474 Mixed oxide eutectic composition |
| 03/23/1999 | US5884473 A catalytic system positioning in an internal combustion engine containing precious metal supported on a zeolite carrier, gives an excellent light-off performance at low temperature; contains an absrobent and electron donar |
| 03/23/1999 | CA2110139C Exhaust gas purification system for reducing hydrocarbon emissions during the cold start of combustion engines |
| 03/23/1999 | CA2103647C A catalytic automotive emission control process with improved cold-start behavior |
| 03/23/1999 | CA2036682C Bonded activated alumina and fabrication process thereof |
| 03/23/1999 | CA2028392C Method for introducing and metering a liquid treatment medium in combustion processes |
| 03/18/1999 | WO1999013270A1 Deodorizing apparatus and deodorizing method |