| 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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| 02/18/1993 | CA2113175A1 Method and system for controlling chemical reaction in a molten bath |
| 02/17/1993 | EP0527457A1 Process for removing mercury from the gases |
| 02/17/1993 | EP0527362A1 Method and device for reducing nitrogen oxide emissions from internal combustion engines |
| 02/17/1993 | CN1068972A Energy-saving method and apparatus for flue gas purification |
| 02/17/1993 | CN1068971A Single spray level for flue gas desulfurization system |
| 02/17/1993 | CA2094287A1 Process for the purification of contaminated exhaust gases from incineration plants |
| 02/16/1993 | US5187137 Catalyst and method of preparing the catalyst |
| 02/16/1993 | US5186917 Process for the removal of nox sox utilizing a particulate agent |
| 02/16/1993 | US5186916 Method for purifying flue-gasses |
| 02/16/1993 | US5186914 Process for removing NOx and SO2 utilizing activated carbon |
| 02/16/1993 | US5186907 Apparatus for treating organic waste gas |
| 02/16/1993 | US5186906 Apparatus for mounting a honeycomb structure impregnated with a catalyst in a flow tube |
| 02/16/1993 | US5186903 Fibrous carrier material impregnated with catalyst |
| 02/16/1993 | US5186806 Ceramic distribution members for solid state electrolyte cells and method of producing |
| 02/16/1993 | US5186793 Oxygen concentrator utilizing electrochemical cell |
| 02/16/1993 | US5186728 Passing water through distribution cup containing holes onto inert solid in a scrubber body, scrubbing gases |
| 02/16/1993 | US5186522 In a pneumatic braking system for vehicles |
| 02/16/1993 | CA1313630C Adsorptive separation utilizing multiple adsorption beds |
| 02/16/1993 | CA1313629C Recovery process |
| 02/16/1993 | CA1313627C Adsorptive purification process |
| 02/14/1993 | WO1993003825A1 A composition and method for simultaneous absorption of sulfur dioxide and nitric oxide |
| 02/14/1993 | CA2093901A1 Composition and method for simultaneous absorption of sulfur dioxide and nitric oxide |
| 02/11/1993 | DE4126285A1 Regenerating deactivated catalyst esp. nitrogen oxide(s) exhaust or flue catalyst - by abrasive treatment, pref. blasting with solid particle jet to remove surface film and expose new catalytic surface |
| 02/10/1993 | EP0527000A2 Sulphur removal process |
| 02/10/1993 | EP0526984A1 Metallic catalyst support and production method thereof |
| 02/10/1993 | EP0526896A1 Catalyst for purifying exhaust gas |
| 02/10/1993 | EP0526864A1 Process and apparatus for eliminating odours from waste water treatment |
| 02/10/1993 | EP0526857A1 Hollow fiber membranes |
| 02/10/1993 | EP0526611A1 Mechanically strong catalyst saving nobel metals and a method for its preparation. |
| 02/10/1993 | EP0526591A1 Means for controlling exhaust temperature on a catalytically purified combustion engine. |
| 02/10/1993 | EP0526552A1 Process and device for removing particles from exhaust gases. |
| 02/10/1993 | EP0470113B1 Metallic catalyst support mounted in a separating wall |
| 02/10/1993 | CN1068839A Paint detackifying and flocculating composition and process |
| 02/10/1993 | CN1068753A Process and apparatus for treatment of nitric acid tail gas by ammonified ammonium nitrate absorption |
| 02/10/1993 | CN1068752A Improved process for recovering organic vapors from air |
| 02/09/1993 | US5185312 Method of producing a catalyst for the decomposition of hydrazine |
| 02/09/1993 | US5185311 Catalytic composite for purifying exhaust gases and a method for preparing the same |
| 02/09/1993 | US5185305 Catalyst system for treating the exhaust from a lean-burn gasoline-fueled engine |
| 02/09/1993 | US5185140 Process for removing sulphur compounds from a residual gas |
| 02/09/1993 | US5185139 Removal of particulate matter and trace contaminatnts; separation; liquifying carbon dioxide; distillation |
| 02/09/1993 | US5185134 Reduction of chlorinated organics in the incineration of wastes |
| 02/09/1993 | US5185017 Gas-liquid contact apparatus |
| 02/09/1993 | US5185016 Waste gas scrubber |
| 02/09/1993 | US5185014 Two stage; use of feed air as purge gas; enhances oxygen enrichment; efficiency |
| 02/09/1993 | US5184462 Method and an apparatus for the treatment of exhaust gas from an IC engine |
| 02/09/1993 | CA1313505C Control method for a dual-cylinder moisture removal apparatus |
| 02/08/1993 | WO1993002772A1 Scrubbing of gaseous fluorides from process exhausts |
| 02/08/1993 | CA2093340A1 Scrubbing of gaseous fluorides from process exhausts |
| 02/07/1993 | CA2075455A1 Sulphur removal process |
| 02/07/1993 | CA2075450A1 Method and device for filtering waste gases of waste water treatment plants |
| 02/04/1993 | WO1993002158A1 Demetallation of hydrocarbon feedstocks with a synthetic mesoporous crystalline material |
| 02/04/1993 | WO1993002147A1 Paint detackifying and flocculating composition and process |
| 02/04/1993 | WO1993002014A1 Method for producing an aqueous sodium chloride solution and use thereof |
| 02/04/1993 | WO1993002013A1 Synthetic porous crystalline material, its synthesis and use |
| 02/04/1993 | WO1993001881A1 Method and apparatus for recovery of sulfur and/or nitrogen oxides from gases containing such oxides |
| 02/04/1993 | DE4125471A1 Exhaust gas cleaning in which solvent is sepd. from washing fluid - has separate stages to separate activated sludge and solvent from washing fluid at absorption tower |
| 02/04/1993 | DE4125214A1 Cleaning gas mixt. with resorption agent in washing column - having emergency quenching arrangement for use if normal quenching fails |
| 02/04/1993 | DE4125099A1 Measurement of ammonia in air and in gases contg. nitrogen oxide(s) - by splitting gas stream in two, oxidising ammonia in one half and measuring differential nitrogen oxide(s) |
| 02/04/1993 | CA2110905A1 Paint detackifying and flocculating composition and process |
| 02/03/1993 | EP0526392A1 Mixing-in device for small amounts of fluid |
| 02/03/1993 | EP0526383A1 Process and apparatus for conditioning ozone gas recycle stream in ozone pulp bleaching |
| 02/03/1993 | EP0526343A1 Adsorber with stacked annular adsorbent beds |
| 02/03/1993 | EP0526100A1 Removal of iron sulfide particles from alkanolamine solutions |
| 02/03/1993 | EP0526099A1 Exhaust gas cleaner |
| 02/03/1993 | EP0526077A1 Activated carbon honeycombs and applications thereof |
| 02/03/1993 | EP0526002A2 Purification of 1,1,1,2-tetrafluoroethane |
| 02/03/1993 | EP0525931A2 Process and apparatus for generating elemental sulfur and re-usable metal oxide from spent metal sulfide sorbents |
| 02/03/1993 | EP0525847A1 Process for removing nitrogen oxides from exhaust gases resulting from the manufacturing of cement |
| 02/03/1993 | EP0525761A1 A catalytic composite for deodorizing odorous gases and a method for preparing the same |
| 02/03/1993 | EP0525701A1 Catalytic reduction of NOx using methane in the presence of oxygen |
| 02/03/1993 | EP0525677A1 Exhaust gas purifying catalyst and method of preparing the same |
| 02/03/1993 | EP0525521A1 Gas separator system |
| 02/03/1993 | EP0525409A2 A liquid-penetration-resistant sorbent laminate |
| 02/03/1993 | EP0438492B1 A lanthanum containing catalyst for treating automotive exhaust gas |
| 02/03/1993 | CN1068517A Adsorption condensation solvent recovery system |
| 02/02/1993 | US5183646 Incinerator for complete oxidation of impurities in a gas stream |
| 02/02/1993 | US5183561 Upgrading, hydrotreating, desulfurization, denitrification |
| 02/02/1993 | US5183484 Process for removal of water in raw material mixed gas |
| 02/02/1993 | US5183483 Using two three-way valves |
| 02/02/1993 | US5183482 Separation by membrane techniques |
| 02/02/1993 | CA2075098A1 Hollow fiber membranes |
| 02/02/1993 | CA2074687A1 Catalytic reduction of nox using methane in the presence of oxygen |
| 02/02/1993 | CA2070917A1 Heated cellular structures |
| 02/01/1993 | CA2074929A1 Adsorber with ring-like superimposed adsorbing beds |
| 01/30/1993 | WO1993002776A1 Catalyst and catalytic reduction |
| 01/30/1993 | CA2112695A1 Catalyst and catalytic reduction |
| 01/28/1993 | DE4134337C1 Catalytic converter for internal combustion engine exhaust - comprises metal forming eutectic with hydrogen and having porous structure of wavy continuous pores, for long life |
| 01/28/1993 | DE4124844A1 Verfahren zur reinigung von stark mit quecksilber belasteten rauchgasen Method for cleaning of heavily polluted with mercury flue gases |
| 01/28/1993 | DE4124762A1 Pleated air filter with gas absorption filter on clean side - has filter lattices as retainers for gas absorbers,enclosed by open-pore cover layer |
| 01/28/1993 | DE4124621A1 Immobilising contaminants, esp. heavy metals, in effluent gases, liq(s). and solids - by converting harmful substances into highly insoluble complex cpds. with jarosite type structure |
| 01/27/1993 | EP0524769A2 Apparatus for a method of fluid separation |
| 01/27/1993 | EP0524729A1 Spray level apparatus and methods for flue gas desulphurisation |
| 01/27/1993 | EP0524555A2 Multiple stage countercurrent hollow fiber membrane module |
| 01/27/1993 | EP0524242A1 Membrane separation process for dehydrating a gas or vapour or liquid mixture by pervaporation or vapour permeation. |
| 01/27/1993 | EP0524169A1 Charge/purge control system for air dryer having limited charge time. |
| 01/27/1993 | EP0401285B1 Carbon dioxide removal using aminated carbon molecular sieves |
| 01/27/1993 | EP0317593B1 Process, filter and device for supplying high-quality breathing air |
| 01/27/1993 | EP0242394B1 Reduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solvents |
| 01/26/1993 | US5182249 Non-precious metal three way catalyst |
| 01/26/1993 | US5182089 Purification of Chlorine or Hydrogen Chloride |