| 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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| 08/01/1989 | US4853012 Process and device for deacidification of a gas containing H2 S and/or CO2 and mercaptans |
| 08/01/1989 | US4853004 Containing coarse particles of c arbon molecular sieve and fine particles of glass beads; enhanced yield |
| 08/01/1989 | US4853001 Porous inorganic siliceous-containing gas enriching material and process of manufacture and use |
| 08/01/1989 | US4852995 By the action of vapors of manganese and/or zinc and/or oxides which are in the form of aerosols |
| 08/01/1989 | CA1258059A1 Preparation process of desulfurizing and denitrating agents |
| 08/01/1989 | CA1258035A1 Column and process for contacting a gas stream counter-currently with a liquid stream |
| 07/27/1989 | WO1989006675A1 Composition, method and apparatus for removal of hydrogen sulfide |
| 07/27/1989 | EP0245494A4 Solid state electrochemical pollution control device. |
| 07/27/1989 | DE3800881A1 Process and apparatus for purifying flue gases |
| 07/27/1989 | DE3800697A1 Method and plant for controlling cereal pests by fumigation by means of phosphine of cereal which is stored in corn lofts or silos and which is infested by stored-product pests, in particular by the grain weevil |
| 07/26/1989 | EP0325536A1 Apparatus for drying gas |
| 07/26/1989 | EP0325522A1 Process and apparatus for cleaning gaseous effluents containing hydrogen sulphide |
| 07/26/1989 | EP0325511A1 Process and catalyst for the selective reduction of nitrogen oxides |
| 07/26/1989 | EP0325392A2 Method for densely packing molecular sieve adsorbent beds in a PSA-system |
| 07/26/1989 | EP0325133A1 Apparatus for removing unpleasant odours |
| 07/26/1989 | EP0324845A1 Process for desulphurating flue gases from power station boiler furnaces |
| 07/26/1989 | EP0324763A1 A method for cleansing gases and apparatus herefor. |
| 07/26/1989 | EP0324753A1 Process for manufacturing a calcium sulphate-containing solid secondary raw material. |
| 07/26/1989 | CN1034198A Acid gas absorbent composition |
| 07/26/1989 | CN1034139A Apparatus for deodorisation |
| 07/25/1989 | US4851381 Catalyst material for reducing nitrogen oxides in flue gases and method for producing the same |
| 07/25/1989 | US4851202 Process for the simultaneous removal of nitrogen oxides and sulfur dioxide from an oxygen-containing exhaust gas |
| 07/25/1989 | US4851201 Methods of removing NOx and SOx emissions from combustion systems using nitrogenous compounds |
| 07/25/1989 | US4851197 Apparatus for the continuous reduction of sulphur-containing gases |
| 07/25/1989 | US4851131 Oxidation with transition metal catalysts |
| 07/25/1989 | US4851014 Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol F |
| 07/25/1989 | US4850574 Apparatus for cooling and cleaning producer gas and top gas |
| 07/25/1989 | US4850380 Entry/exit decontamination system using adsorbent powder |
| 07/25/1989 | US4850119 Apparatus for the recovery of solvent vapor from an air stream |
| 07/25/1989 | CA1257860A1 Stabilized alumina catalyst support coatings |
| 07/25/1989 | CA1257859A1 Self-supporting structures containing immobilized inorganic sorbent particles and method for forming same |
| 07/25/1989 | CA1257833A1 Method and apparatus for gas cooling |
| 07/25/1989 | CA1257809A1 Combustion method |
| 07/25/1989 | CA1257764A1 Method for the preparation of a bicarbonate sorbent in flue gas desulfurization |
| 07/19/1989 | EP0324675A1 Process for separating the components of a gaseous mixture using a composite membrane |
| 07/19/1989 | EP0324454A1 Process and apparatus for cleaning smoke |
| 07/19/1989 | EP0324224A1 An integrated process for the removal of sulfur compounds from fluid streams |
| 07/19/1989 | EP0324171A2 Pressure swing adsorption process and system for gas separation |
| 07/19/1989 | EP0324091A2 A process for the removal of hydrogen sulfide from gases |
| 07/19/1989 | EP0324071A1 Process for producing a desulfurization agent |
| 07/19/1989 | EP0324056A2 Portable low profile DC oxygen concentrator |
| 07/18/1989 | USRE32989 Air line vapor trap |
| 07/18/1989 | US4849399 Catalyst for the reduction of the ignition temperature of diesel soot |
| 07/18/1989 | US4849398 Catalyst for purifying exhaust gases |
| 07/18/1989 | US4849392 Catalyst material for reducing the nitrogen oxides in flue gases |
| 07/18/1989 | US4849274 Honeycomb fluid conduit |
| 07/18/1989 | US4849202 Sulfur recovery process using metal oxide absorbent with reducing gas purge |
| 07/18/1989 | US4849192 During reduction of nitric oxide, reduction of sulfur trioxide to sulfur dioxide with methanol |
| 07/18/1989 | US4849191 Economical, safe, unsupervised method for in-vessel regeneration of iron-oxide sponge used in wastewater-treatment-plant digester-gas scrubbers |
| 07/18/1989 | US4849185 Catalytic converter with multiple removable catalyst panels |
| 07/18/1989 | US4849111 Regenerating dynamic adsorber system and method for obtaining cleaned fluid from contaminated fluid |
| 07/18/1989 | US4849109 Use of structure with membrane having continuous pores |
| 07/18/1989 | US4848995 By reacting with hydrated alkaline earth hydroxides |
| 07/18/1989 | US4848985 Pressure swing adsorption |
| 07/18/1989 | US4848251 Method to enhance removal of sulfur compounds by slag |
| 07/18/1989 | US4848248 Tuyere for the introduction of a reaction medium into a hot gas |
| 07/18/1989 | CA1257460A1 Cascade heat recovery with coproduct gas production |
| 07/18/1989 | CA1257459A1 Control of so.sub.x emission |
| 07/18/1989 | CA1257458A1 Removal of hydrogen sulfide from air streams |
| 07/13/1989 | WO1989006218A1 Process for separating and recovering carbonic acid gas from gas mixture by adsorption |
| 07/13/1989 | WO1989006158A1 Process for separating higher hydrocarbons from natural or produced gas streams |
| 07/13/1989 | WO1989006156A1 Molecular sieve arrangement |
| 07/13/1989 | DE3907437A1 Method of removing solvent components from the outgoing air of enamelling installations and the like |
| 07/13/1989 | DE3828839A1 Process and device for desulphurising flue gases |
| 07/13/1989 | DE3800103A1 Pollutant-destroying air scrubber |
| 07/13/1989 | DE3744594A1 Process for separating organic constituents from the waste gases of chloro- and bromo-aromatics production |
| 07/13/1989 | DE3744287A1 Arrangement and devices for gas removal and dechlorination of organic wastes |
| 07/12/1989 | EP0323821A1 Process for treating glyphosate process waste streams |
| 07/12/1989 | CN1033793A Process for treating waste gases containing flon-113 and apparatus therefor |
| 07/11/1989 | US4847234 Plate-like catalyst |
| 07/11/1989 | US4847230 Multilayer corrugated and smooth metal sheets |
| 07/11/1989 | US4847058 Oxidation followed by reduction, catalytic vanadium pentoxide |
| 07/11/1989 | US4847057 Process and installation for ammonia treatment of a gas |
| 07/11/1989 | US4847056 Reaction with slaked lime |
| 07/11/1989 | US4847054 Reduction of nitrogen monooxide with ammonia in sulfur dioxide gases |
| 07/11/1989 | US4846856 Circulating air scrubber |
| 07/11/1989 | US4846855 Method for adsorption treatment of gas |
| 07/11/1989 | US4846853 Layered divalent metal hydrogen phosphates |
| 07/11/1989 | US4846852 Method and apparatus for separating and recovering volatile solvents from exhaust air |
| 07/11/1989 | US4846850 Absorption pressure control |
| 07/11/1989 | US4846211 Inlet valve in a two-tower air drier |
| 07/11/1989 | CA1257206A1 Purification of raw gas for ammonia synthesis |
| 07/11/1989 | CA1257126A1 Machine for processing a web material |
| 07/11/1989 | CA1257074A1 Claus residual gas cleanup using tetraethylene glycol dimethyl ether as so.sub.2 scrubbing agent |
| 07/06/1989 | DE3744020A1 Device for the catalytic treatment of the combustion exhaust gases of a motor-vehicle engine and process for producing a catalyst cartridge for such a device |
| 07/05/1989 | EP0323431A2 Gas dehydration membrane process and apparatus |
| 07/05/1989 | EP0323430A2 Process for producing high quality gas for instrumentation application using gas separation membranes |
| 07/05/1989 | EP0323206A1 Process for the removal of mercury from a gas stream |
| 07/05/1989 | EP0323195A2 A process for removing nitrogen oxides |
| 07/05/1989 | EP0323001A1 Process for treating waste gases containing flon-113 and apparatus therefor |
| 07/05/1989 | EP0322944A1 Process for cleaning smoke |
| 07/05/1989 | EP0322924A1 Selective H2S removal from fluid mixtures using high purity triethanolamine |
| 07/05/1989 | EP0322706A1 Process for separating organic constituents from waste gases of the production of aromatic intermediate products |
| 07/05/1989 | EP0322566A1 Process and device for manufacturing a metallic carrier for catalytic reactors |
| 07/05/1989 | EP0322450A1 Incineration system for the destruction of hazardous wastes |
| 07/05/1989 | CN2040403U Multipurpose air purifier |
| 07/05/1989 | CN1033636A Polyimide gas separation membranes |
| 07/05/1989 | CN1033577A Water containing gas in superequilibrium quantity, and method and apparatus for production thereof |
| 07/05/1989 | CN1033576A Recovery method and equipment for nitrogen oxide |
| 07/05/1989 | CN1033574A Air filtration system for ducted range hoods |