| 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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| 09/03/1992 | WO1992014549A1 Mechanically strong catalyst saving nobel metals and a method for its preparation |
| 09/03/1992 | WO1992014547A1 Immobilized free molecule aerosol catalytic reactor |
| 09/03/1992 | WO1992000934A3 Ductile ceramic composites |
| 09/03/1992 | DE4107211A1 Textile processing - utilises a condensation method to remove obnoxious substances from a discharge to atmos. |
| 09/03/1992 | DE4106588A1 Shortening start=up time of catalytic converters - for the detoxification of vehicle exhaust gases by heating using heat exchange with gases entering and leaving converter |
| 09/03/1992 | DE4106319A1 Liquid spray contactor unit providing extended residence time - for cleaning of gas streams |
| 09/03/1992 | DE4106301A1 Purifying waste gas esp. filtration of carbon@ particles |
| 09/02/1992 | WO1992015539A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances |
| 09/02/1992 | EP0501933A2 Process for the purification of fluorine-containing gases |
| 09/02/1992 | EP0501599A1 Apparatus for absorbing carbon dioxide gas |
| 09/02/1992 | EP0501504A1 Process for treating chlorinated hydrocarbon containing smoke-generating bodies and smoke-generating compositions |
| 09/02/1992 | EP0501391A1 Argon purification system |
| 09/02/1992 | EP0501344A1 Separation of multicomponent gas mixtures by selective adsorption |
| 09/02/1992 | EP0501281A2 Exhaust gas treating apparatus |
| 09/02/1992 | EP0501054A1 Vapour recovery system |
| 09/02/1992 | EP0501003A1 Catalyst and method for decomposing ozone by the use thereof |
| 09/02/1992 | EP0500974A1 Process for separating hydrogen from gas mixtures using a semipermeable membrane consisting predominantly of polycarbonates derived from tetrahalobis-phenols |
| 09/02/1992 | EP0500838A1 Process and device for improving the utilization of heat from combustion waste gases containing dust or ash. |
| 09/02/1992 | EP0500708A1 Solid state oxygen compressor |
| 09/02/1992 | CN1064099A Dechlorination agent |
| 09/02/1992 | CN1064071A Improved normal paraffin adsorptive seperation process using non-normal hydrocarbon pre-pulse stream |
| 09/02/1992 | CN1064027A High pressure facilitated membranes for selective separation and process for use thereof |
| 09/02/1992 | CN1064026A Process and appartus for effecting regenerative sulfur binding |
| 09/02/1992 | CA2081307A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances |
| 09/02/1992 | CA2061767A1 Oxygen enrichment process |
| 09/01/1992 | US5143769 Deoxidizer sheet |
| 09/01/1992 | US5143763 Oxygen absorbant composition and a permeable film covering the composition |
| 09/01/1992 | US5143707 Reacting with a reducing agent to form nontoxic nitrogen gas in presence of mesoporous crystalline catalyst; pollution control |
| 09/01/1992 | US5143706 Sulfur absorbants |
| 09/01/1992 | US5143527 Waste gas-purifying device |
| 09/01/1992 | US5142864 Molecular sieves, flowing minor part of treated exhaust stream through adsorbent bed to desorb adsorbed hydrocarbons, flowing resultant stream through compressor side of turbocharger and back over catalyst |
| 09/01/1992 | CA1307037C Humidity regulating apparatus |
| 09/01/1992 | CA1306957C Process for the reduction of the acid pollutant contenant in smoke and devicefor this process |
| 09/01/1992 | CA1306905C Supported membrane and process for its preparation |
| 09/01/1992 | CA1306845C Method of removing sulphur oxides from flue gases |
| 09/01/1992 | CA1306844C Alkanolamine gas treating process for a feedstream containing hydrogensulfide |
| 08/27/1992 | DE4105549A1 Heat prodn. by combustion of fuel - by oxidising gas contg. at least 60 per cent oxygen@ produced by filtration of air, and oxygen@ recovered biologically from exhaust gas |
| 08/27/1992 | DE4105214A1 Belt sintering plant waste gas purificn. to reduce dioxin and furan concn. - by removing dust, moistening with aq. hydrogen peroxide and scrubbing, can operate at high temps. of over 250 deg. |
| 08/27/1992 | DE4104220A1 Solid state catalyst for treating combustion gases - contains conductive particles to avoid electrostatic dust deposition |
| 08/27/1992 | DE4103463A1 Burning dried sewage sludge to give liq. ash - using air enriched with oxygen for combustion |
| 08/26/1992 | EP0500416A1 Method for producing oxygen by adsorption |
| 08/26/1992 | EP0500320A1 Treatment of gases |
| 08/26/1992 | EP0500154A1 Improved ceramic coating for a catalyst support |
| 08/26/1992 | EP0500040A1 Process for kinetic gas-solid chromatographic separations |
| 08/26/1992 | EP0499931A1 Application of a catalyst to decrease quantity and dimension of particles in Diesel exhaust gas |
| 08/26/1992 | EP0499677A1 Device for the recombination of hydrogen and oxygen |
| 08/26/1992 | EP0499664A1 Chemical-physical cleaning process of waste gas from asphalt mixing plants |
| 08/26/1992 | EP0499644A1 Method for removing organochlorine compounds from combustion exhaust gas |
| 08/26/1992 | EP0454712B1 Metallic honeycomb structure |
| 08/26/1992 | EP0221899B1 Process for removing oxides of nitrogen and sulfur from combustion gases |
| 08/26/1992 | EP0198050B1 Air scrubbing process |
| 08/26/1992 | CN2113827U Air dust-reoving filter |
| 08/26/1992 | CN1063826A Method and system for handling exhaust gas in boiler |
| 08/26/1992 | CA2061761A1 Argon purification system |
| 08/25/1992 | US5142328 Mixture of manganese dioxide, ammonium carbonate, polyvinyl butyral binder for removal of ozone from exhaust gases of electrostatic copiers |
| 08/25/1992 | US5141912 Improved resistance to phosphorus, sulfur, halogen and silicon poisoning |
| 08/25/1992 | US5141906 Zeolite ion exchanged with cu, cobalt, NI, CR, FE, MG or MN; sulfurized |
| 08/25/1992 | US5141727 Flue gas treatment |
| 08/25/1992 | US5141726 Mixing combustion air and a gas or volatilized fuel |
| 08/25/1992 | US5141725 Process using cyanocobaltate complexes for removing oxygen from a stream |
| 08/25/1992 | US5141724 Mercury removal from gaseous hydrocarbons |
| 08/25/1992 | US5141722 Deodorizing and sterilizing apparatus |
| 08/25/1992 | US5141720 Two-cooling elements in parallel relationship |
| 08/25/1992 | US5141714 Exhaust gas cleaner |
| 08/25/1992 | US5141642 Separators for reverse osmosis, ultrafiltration, dehydration, heat and chemical resistance, strength, gas permeability |
| 08/25/1992 | US5141539 Smoke filtering apparatus |
| 08/25/1992 | US5141533 Method for filtering benzene from a gas stream |
| 08/25/1992 | US5140813 Composite catalytic converter |
| 08/25/1992 | US5140812 Core for an electrically heatable catalytic converter |
| 08/25/1992 | US5140811 Exhaust gas purification device in variable combination of absorbent and catalyst according to gas temperature |
| 08/25/1992 | CA1306598C Thermo-chemical reaction process and installation used for this process |
| 08/21/1992 | CA2061434A1 Adsorption oxygen production method |
| 08/20/1992 | WO1992014106A1 A plant for extracting substances in gas or mist form from a flow of gas |
| 08/20/1992 | WO1992014098A1 High-tech computerized containment and treatment apparatus and process for combustion off-gas |
| 08/20/1992 | WO1992013636A1 Honeycomb body with a plurality of mutually supported discs |
| 08/20/1992 | WO1992013635A1 Honeycomb body with non-uniform electric heating |
| 08/20/1992 | DE4203800A1 Device for regulating air humidity - involves passing air through vessel containing saturated solution of salts via its cover filled with steam absorbing material |
| 08/20/1992 | DE4142813A1 Regenerative removal of sulphur@ from process gases |
| 08/20/1992 | DE4105073A1 Device to clean process air - by condensing and accelerating air using filter so only process air changes direction, and impurities are cooled and condensed |
| 08/20/1992 | DE4104873A1 Gas purifier moulding compsn. prodn. for dry removal of hydrogen sulphide - comprises mill drying, classifying and granulating ferric hydroxide slurry from water works |
| 08/20/1992 | DE4104756A1 Purificn. of water contg. chlorinated or halogenated hydrocarbon(s) - comprises extn. of hydrocarbon(s) by bubbling air through water and air is then purified using a biological treatment procedure |
| 08/20/1992 | CA2053965A1 In-situ removal of effluents from a gaseous stream by injection of an effluent sorbent into downstream of the combustion zone |
| 08/20/1992 | CA2053940A1 Sulfur-sorbent promoter for use in a process for the in-situ production of a sorbent-oxide aerosol used for removing effluents from a gaseous combustion stream |
| 08/20/1992 | CA2053939A1 In-situ removal of effluents from a gaseous stream by injection of an effluent sorbent nitrate into the gaseous stream downstream of the combustion zone |
| 08/19/1992 | EP0499495A1 Process for the constitution of a controlled atmosphere in a room and room with controlled atmosphere |
| 08/19/1992 | EP0499402A1 Conversion of carbon monoxide using mixed transition metal oxide catalysts |
| 08/19/1992 | EP0499351A1 Method for treating a solution used for the regeneration of a denitration catalyst |
| 08/19/1992 | EP0499286A2 Catalyst for and method of purifying exhaust gas |
| 08/19/1992 | EP0499264A1 Method of producing a catalyst for the decomposition of hydrazine |
| 08/19/1992 | EP0499095A1 Catalysts for removing sulphuric compounds from technical gases, process for preparation and application |
| 08/19/1992 | EP0499087A1 Process for purifying exhaust gas |
| 08/19/1992 | EP0498862A1 Process and device for cleaning waste gases |
| 08/19/1992 | EP0376974B1 Apparatus for and method of providing improved gas separation |
| 08/19/1992 | EP0375683B1 Method and apparatus for cleaning freight containers as well as for treating and circulating the fluids used |
| 08/19/1992 | CN1063753A Dust-romoving desulfurization boiler slag discharing machine |
| 08/19/1992 | CN1063622A Two-direction inner circulation gas liquid high-efficiency mixing contactor |
| 08/19/1992 | CN1017871B Process for treatment of waste gases |
| 08/18/1992 | US5139994 Impregnating alumina support on carrier with platinum, then with organic titanium compound, decomposing to oxide; for catalytic converters |
| 08/18/1992 | US5139992 Three-way conversion catalyst including a ceria-containing zirconia support |
| 08/18/1992 | US5139982 Substrate having a layer of ammonium metal salt on both sides and ammonia absorbed onto one side of the ammonium salt layer |