| 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) |
|---|
| 06/25/1997 | CN2256763Y Cooling separator for compressed air drier |
| 06/25/1997 | CN1152702A Method and apparatus for preparing high-purity nitrogen |
| 06/25/1997 | CN1152547A Method for preparing high-pureness carbon dioxide |
| 06/25/1997 | CN1035235C Method and equipment for drying wet airflow |
| 06/24/1997 | US5641482 Particles based on either pulp or polypropylene with grafted chains containing cation exchange groups of acrylic acid or glycidyl methacrylate, for adsorption and neutralization of ammonia |
| 06/24/1997 | US5641460 Gas-liquid contactor and wet flue-gas desulfurization system |
| 06/24/1997 | US5641401 Degassing; venting; ph adjustment; stripping gas; steam; agitation in holding tank |
| 06/24/1997 | US5641344 Fuel vapor treatment device |
| 06/24/1997 | US5641343 Room air cleaner |
| 06/24/1997 | US5641337 Process for the dehydration of a gas |
| 06/24/1997 | US5641332 Cross-flow filtration device having matrix of porous walls defining plurality of constant hydraulic diameter cells exhibiting increasing aggregate wall thickness as cells advance from central longitudinal axis to peripheral surface |
| 06/24/1997 | US5641331 Filter suspension system for a modular air handling system |
| 06/24/1997 | US5641124 Apparatus for cleaning gas |
| 06/24/1997 | US5641088 Canister with porous plastic ends |
| 06/24/1997 | US5640845 For an internal combustion engine |
| 06/24/1997 | CA2040045C Denitration catalyst and method |
| 06/19/1997 | WO1997021911A1 A single mode resonant cavity |
| 06/19/1997 | WO1997021781A1 Desiccant compositions for removing moisture from fluids |
| 06/19/1997 | WO1997021489A1 Turbulence inducer in chemical reactor |
| 06/19/1997 | WO1997021482A1 PROCESS FOR REDUCING NOx FROM EXHAUST FUMES |
| 06/19/1997 | DE19617563C1 Exhaust gas catalyst for a diesel motor |
| 06/19/1997 | DE19600377A1 Compressed gas system |
| 06/19/1997 | DE19546672A1 Band filter for car airflow conditioning |
| 06/19/1997 | DE19546612A1 Verfahren zur Reduktion von NOx aus Abgasen A process for the reduction of NOx from exhaust gases |
| 06/19/1997 | DE19546419A1 Nitrous oxide reduction in exhaust gases |
| 06/19/1997 | CA2240399A1 A single mode resonant cavity |
| 06/18/1997 | EP0779416A1 Method for detection of performance reduction of exhaust gas purification catalyst |
| 06/18/1997 | EP0779100A1 Flue-gas treatment system |
| 06/18/1997 | EP0779096A1 Process and device for catalytic gas purification |
| 06/18/1997 | EP0779095A1 Process and device for catalytic gas purification |
| 06/18/1997 | EP0779094A2 Spinel based catalyst, its preparation and its use |
| 06/18/1997 | EP0779093A1 Spinel based catalyst, its preparation process and its use |
| 06/18/1997 | EP0778918A1 Catalytic reactor |
| 06/18/1997 | EP0643623B1 Method for producing catalyst |
| 06/18/1997 | CN1151967A Single bed pressure swing adsorption process for recovery of oxygen from air |
| 06/18/1997 | CN1151904A Household safety device capable of converting carbon monoxide automatically |
| 06/18/1997 | CN1035208C Active carcoal filter used for gas discharge of fuel box |
| 06/18/1997 | CN1035156C Method for treatment of flue gas |
| 06/18/1997 | CN1035155C Module for filtering, separating, purifying gases or liquids, or catalytic conversion |
| 06/17/1997 | US5639437 Mixed oxide containing strontium, iron, cobalt oxide |
| 06/17/1997 | US5639434 Adding chlorine dioxide and ozone to flue gas, reducing nitrogen oxide product with sodium hydroxide |
| 06/17/1997 | US5639430 Low pressure drop, turbulent mixing zone dry scrubber |
| 06/12/1997 | WO1997020772A1 Cerium oxide with pores having a lamellar structure, preparation method therefor and use thereof in catalysis |
| 06/12/1997 | WO1997020652A1 Method and device for hot-isostatic pressing of parts |
| 06/12/1997 | WO1997020619A1 Method of controlling emission from gasoline engine |
| 06/12/1997 | WO1997020618A1 Method of treating or recovering gaseous hydrocarbon contained in waste gas |
| 06/12/1997 | WO1997020617A1 Plasma oxidation of an exhaust gas stream from chlorinating titanium-containing material |
| 06/12/1997 | WO1997020616A1 Molecular sieve type gas separation apparatus and method |
| 06/12/1997 | DE19645955A1 Diesel engine catalyst sub=divided into low and high temperature zones |
| 06/12/1997 | DE19546127A1 Forming large area filter material for absorbing gases or liquids |
| 06/12/1997 | DE19545679A1 Mixed aerosol for absorption of undesired odour substances |
| 06/12/1997 | DE19545617A1 Unit to modify e.g. physical, chemical, etc. characteristics of entrained entities |
| 06/12/1997 | DE19545563A1 Waste disposal process for treating e.g. vapours, powders, etc. |
| 06/12/1997 | DE19545335A1 Conditioning air in cabin or enclosed environment |
| 06/11/1997 | EP0778082A1 Apparatus for the treatment of at least one fluid and the use thereof in the separation of at least one constituent from a gaseous mixture |
| 06/11/1997 | EP0778072A2 Lean-burn Nox catalyst/Nox trap system |
| 06/11/1997 | EP0778071A1 Particle based on a solid solution of oxides, its production process and its use in exhaust gas purification catalyst |
| 06/11/1997 | EP0778070A1 Process for cleaning exhaust air |
| 06/11/1997 | EP0778069A1 Reactive purge for solid electrolyte membrane gas separation |
| 06/11/1997 | EP0778068A1 Process for the dehydration of a gas |
| 06/11/1997 | EP0778067A1 Apparatus for purifying smokes containing acid compounds of different concentration acid process for operating the apparatus |
| 06/11/1997 | EP0778065A1 Solvent adsorbing apparatus and recuperation using condensation |
| 06/11/1997 | EP0777998A1 Method of saving energy in domestic appliances and appliance with improved energy efficiency |
| 06/11/1997 | EP0777629A1 Method and apparatus for the purification of gases and liquids |
| 06/11/1997 | EP0777526A1 Filter material and process for removing ozone from gases and liquids |
| 06/11/1997 | EP0777519A1 Wet flue gas desulphurisation process using limestone |
| 06/11/1997 | EP0682558B1 Exhaust gas dry cleaning agent |
| 06/11/1997 | EP0669854B1 Process for removing sulphur dioxide from a sulphur dioxide-containing gas stream |
| 06/11/1997 | EP0591232B1 Oxidation catalyst resistant to sulfation |
| 06/11/1997 | CN1151705A Denox catalyst for reducing the nox concentration in a stream of fluid, and method of mfg. the catalyst |
| 06/11/1997 | CN1151333A Sorbent compositions |
| 06/11/1997 | CN1151330A Process for adsorption of nitrogen from gas mixtures using pressure-swing adsorption with zeolites |
| 06/11/1997 | CN1035103C Method of removing carbon dioxide from mixed gas |
| 06/10/1997 | US5637544 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same |
| 06/10/1997 | US5637499 Method for enhancing microbial utilization rates of gases using perfluorocarbons |
| 06/10/1997 | US5637498 Method for biological cleaning of a contaminated gas flow |
| 06/10/1997 | US5637283 Method and afterburner apparatus for control of highly variable flows |
| 06/10/1997 | US5637282 In aqueous solution |
| 06/10/1997 | US5637198 Pollution control |
| 06/10/1997 | US5637124 Modular air cleaning system |
| 06/10/1997 | US5636619 Method and apparatus for reducing cold-phase emissions by utilizing oxygen-enriched intake air |
| 06/10/1997 | US5636525 Saddle type adsorbent unit |
| 06/09/1997 | CA2191811A1 Exhaust gas scrubber |
| 06/06/1997 | CA2192031A1 Plant for treating at least one fluid and use for the separation of at least one constituent of a gas mixture |
| 06/05/1997 | WO1997020079A1 Modification of corn grits to provide superior water adsorption characteristics |
| 06/05/1997 | WO1997019741A1 Use of carbonates for the removal of hcn from gas streams |
| 06/05/1997 | WO1997019740A1 Improved purging electrostatic gun for charging dry sorbent into polluted streams |
| 06/05/1997 | DE19546149A1 Sulphate recovery process for wet exhaust gas desulphurising plant |
| 06/05/1997 | DE19544933A1 Removing mercaptan(s) from gas mixtures |
| 06/05/1997 | CA2238525A1 Improved purging electrostatic gun for charging dry sorbent into polluted streams |
| 06/04/1997 | EP0776902A1 Process for separation of methyltrichlorosilane from dimethyldichlorosilane |
| 06/04/1997 | EP0776901A1 Process for separation of dimethyldichlorosilane from methyltrichlorosilane |
| 06/04/1997 | EP0776861A1 Process and apparatus for selective catalytic oxidation of carbon monoxide |
| 06/04/1997 | EP0776696A2 Honeycomb-shaped ceramic and method for producing it |
| 06/04/1997 | EP0776688A1 Process and device for treatment of waste gases |
| 06/04/1997 | EP0776687A1 Process for the removal of carbon dioxide from gases |
| 06/04/1997 | EP0776246A1 Process for regenerating nitrogen-treated carbonaceous chars used for hydrogen sulfide removal |
| 06/04/1997 | EP0696228B1 A method for converting ammonia in a gas stream to nitrogen |
| 06/04/1997 | EP0688238B1 Method and apparatus for cleaning flue gas |
| 06/04/1997 | EP0666772B1 Device for adsorption separation of elements in a gaseous mixture |