| 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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| 12/17/1996 | US5584905 Preparation of amendments and fertilizer products for agricultural soils by entrapment of acid gases by solid waste material |
| 12/17/1996 | US5584507 Coated fabric for reducing toxicity of effluent gases produced by nonazide gas generants |
| 12/17/1996 | US5584322 Rotary slide valve |
| 12/17/1996 | US5584265 Introducing cyanuric acid or derivative dissolved in solvent as selective reducing agent into fuel feed stream |
| 12/17/1996 | US5584175 Heating means for catalyst unit |
| 12/17/1996 | US5584172 Nitrogen oxide removal control apparatus |
| 12/17/1996 | CA2128194C Gas handling system and adsorbent dryer regeneration apparatus |
| 12/17/1996 | CA2052269C Sorption of trialkyl arsines |
| 12/14/1996 | CA2151656A1 Catalytic method |
| 12/12/1996 | WO1996039595A1 Effluent gas treatment |
| 12/12/1996 | WO1996039576A1 Combatting air pollution |
| 12/12/1996 | WO1996039555A1 Filter regeneration and dry cleaning system |
| 12/12/1996 | WO1996039265A1 On-site ammonia purification for semiconductor manufacture |
| 12/12/1996 | WO1996039244A1 Diesel engine exhaust gas purification system |
| 12/12/1996 | WO1996039243A1 Catalytic vent gas treatment system for abatement of volatile chemical emissions |
| 12/12/1996 | WO1996039242A1 Treatment of hydrogen sulphide-containing gas streams |
| 12/12/1996 | WO1996031262A3 Liquid phase conversion of a source of sulfur dioxide to sulfuric acid |
| 12/12/1996 | DE19615825A1 Filter for air extraction system with housing contg. filter material |
| 12/12/1996 | DE19526628C1 Column for microwave reactors |
| 12/12/1996 | DE19521275A1 Gasdurchlaß mit selektiv wirkender Durchtrittsfläche sowie Verfahren zur Herstellung der Durchtrittsfläche Gas passage with selectively acting passage area and methods of making the passage area |
| 12/12/1996 | DE19521239A1 Biological room filter with plant container in air-tight fitting |
| 12/12/1996 | DE19520758A1 Elektrisch isolierende gasdichte Durchführung Electrically insulating gas-tight feedthrough |
| 12/12/1996 | CA2223325A1 Filter regeneration and dry cleaning system |
| 12/12/1996 | CA2196904A1 Combatting air pollution |
| 12/11/1996 | EP0747581A1 Improvements in emissions control |
| 12/11/1996 | EP0747335A1 Polymerization inhibitor process |
| 12/11/1996 | EP0747142A1 Vertical isolation system for two-phase vacuum extraction of soil and groundwater contaminants |
| 12/11/1996 | EP0747124A1 Foam catalyst support for exhaust purification |
| 12/11/1996 | EP0747122A2 Sorbent compositions |
| 12/11/1996 | EP0747121A2 Sorbent composition |
| 12/11/1996 | EP0747118A2 Adsorbent for removal of trace oxygen from inert gases |
| 12/11/1996 | EP0747110A1 Process for the catalytic purification of gas engine exhaust gases |
| 12/11/1996 | EP0747109A2 Production of oxygen by ion transport membranes with steam utilization |
| 12/11/1996 | EP0747108A2 Oxygen production by ion transport membranes with work recovery |
| 12/11/1996 | EP0746411A1 Improved layered catalyst composition |
| 12/11/1996 | EP0746409A1 Absorbents |
| 12/11/1996 | EP0746402A1 Spiral wound microlith catalyst bed |
| 12/11/1996 | EP0696222B1 Filter material, and method of removing ozone from gases and liquids using the filter material |
| 12/11/1996 | EP0562059B1 Scrubbing of gaseous fluorides from process exhausts |
| 12/11/1996 | CN1137486A Process for removal of impurity contained in composite gas |
| 12/11/1996 | CN1137485A Method for extracting elementary sulfur from containing H2S mixed gas |
| 12/11/1996 | CN1137418A Removal of carbon dioxide from gas streams |
| 12/11/1996 | CN1137417A Spray tower |
| 12/11/1996 | CN1033493C Fume desulfurization dust catching apparatus |
| 12/11/1996 | CN1033492C Process for substance exchange between liquid and gaseous media |
| 12/10/1996 | US5583087 Method for impregnating catalyst support with platinum |
| 12/10/1996 | US5582865 Non-woven filter composite |
| 12/10/1996 | US5582810 Removal of nitrous oxide from gaseous effluents comprised thereof |
| 12/10/1996 | US5582809 Mixed oxide reducing agent |
| 12/10/1996 | US5582807 Treating with coarse spray of recirculated solution; contacting with ultrafine mist of fresh solution containing pollutant absorption agent; demisting |
| 12/10/1996 | US5582802 Catalytic sulfur trioxide flue gas conditioning |
| 12/10/1996 | US5582800 Method and system for removal of harmful heteroatoms in gaseous waste streams |
| 12/10/1996 | US5582741 Adding oxidizer to disinfect water, removing solids, adding more oxidizer, irradiating with ultraviolet rays to decompose organic compounds, aerating so volatile materials can be entrained and adsorbed, removing residual oxidizer |
| 12/10/1996 | US5582735 Removal of organics from a fluid using a permeable membrane |
| 12/10/1996 | US5582710 Using a solid electrolyte based on bismuth vanadate |
| 12/10/1996 | US5582634 Contacting with aqueous washing liquid, preevaporating, recirculating part of bottom fraction, removing heavy metals from remainder and recycling to scrubber, distilling top fraction |
| 12/10/1996 | US5582029 Use of nitrogen from an air separation plant in carbon dioxide removal from a feed gas to a further process |
| 12/10/1996 | US5582003 In-line engine exhaust system |
| 12/10/1996 | US5581903 Apparatus for heating purge gas and transmitting microwave energy for desiccant regeneration |
| 12/10/1996 | CA2067268C Catalytic device for use such as afterburning of exhaust gases and method for making the same |
| 12/07/1996 | CA2178258A1 Method and apparatus for removing volatile organic compounds by cold oxidation |
| 12/05/1996 | WO1996038658A1 System for reducing emissions in catalytic converter exhaust systems |
| 12/05/1996 | WO1996038378A1 Catalytic desulphurization process for a gas containing h2s and so2 compounds, and catalyst for implementing said process |
| 12/05/1996 | WO1996038218A1 Flue gas scrubbing and waste heat recovery system |
| 12/05/1996 | WO1996038212A2 Back-side illuminated organic pollutant removal system |
| 12/05/1996 | WO1996033013A3 Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor |
| 12/05/1996 | DE19543219C1 Diesel engine operating method |
| 12/05/1996 | DE19530497C1 Incinerator smoke dry cleaning assembly |
| 12/05/1996 | DE19528188C1 Oxygen generation by pressure swing adsorption |
| 12/05/1996 | DE19523048C1 Removal of allergenic substances e.g. spores, pollen etc. |
| 12/05/1996 | DE19521579C1 Gas treatment appts. |
| 12/05/1996 | DE19520127A1 Quantitative and selective mercury@ sepn. from waste air flows e.g. from incineration plants |
| 12/05/1996 | CA2220456A1 Flue gas scrubbing and waste heat recovery system |
| 12/04/1996 | EP0745845A2 Thermal isolation system in an analytical instrument |
| 12/04/1996 | EP0745561A1 Method of decomposing volatile organic halogenated compounds in water |
| 12/04/1996 | EP0745424A1 Membranes formed from copolyimides |
| 12/04/1996 | EP0745422A2 Process for separating mercury from combustion gases |
| 12/04/1996 | EP0745421A1 Cross flow flue gas scrubber using a lime or calcium based suspension |
| 12/04/1996 | EP0745420A1 Process for the desulphurization of sulfurous acid gas-containing waste gas |
| 12/04/1996 | EP0745419A2 Method and systems for fluid purification using a catalyst and a sorbent |
| 12/04/1996 | EP0745416A2 Device for removal of contaminants from fluid streams |
| 12/04/1996 | EP0744990A1 Process for removing ethylene oxide from outgoing air or exhaust gas streams |
| 12/04/1996 | EP0744989A1 A method for removing hydrogen sulfide from gas streams |
| 12/04/1996 | EP0744988A1 Device and process for reducing the quantity of pollutants in combustion exhaust gases |
| 12/04/1996 | EP0744987A1 A method for removing and preventing emissions into the atmosphere of carbon dioxide (co 2) from exhaust gases from heat engines |
| 12/04/1996 | CN2241573Y Liquid collecting distributer |
| 12/04/1996 | CN1137244A Non-welded support plate member |
| 12/04/1996 | CN1136976A Flue gas redusting desulfurization method and device for coal-fired boiler |
| 12/04/1996 | CN1033443C Improved process for removal of gaseous impurities from stream of hydrogen |
| 12/04/1996 | CN1033426C Process for extensive removal of acid gases from gaseous mixtures |
| 12/04/1996 | CN1033425C Wet-type waste gas desulphurizing system having air-supplying device |
| 12/03/1996 | US5580535 Catalytic oxidation |
| 12/03/1996 | US5580534 Zeolite-spinel catalyst for the reduction of nitrogen oxides and the process thereof |
| 12/03/1996 | US5580533 Catalytic oxidation using catalyst having surface coating of stabilized titanium dioxide to prevent accumulation of sulfur dioxide oxidation products |
| 12/03/1996 | US5580532 Used for treatment of exhaust gases |
| 12/03/1996 | US5580497 Oxygen ion-conducting dense ceramic |
| 12/03/1996 | US5580461 Treating contaminated fluids with adsorber particles, decomposition of impurities while adsorbed, then separation and regeneration of adsorber |
| 12/03/1996 | US5580452 Moving liquid membrane modules |
| 12/03/1996 | US5580426 Water and organic constituent separator and stripper system and method |
| 12/03/1996 | US5580370 Corrugated sheet having hysteresis-free isothermic adsorbent which is stable to increasing relative humidity |