| 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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| 07/07/1988 | DE3644090A1 Process and apparatus for purifying exhaust gases |
| 07/06/1988 | EP0273724A2 Acid gas scrubbing by composite solvent-swollen membranes |
| 07/06/1988 | EP0273723A2 Separating a gas enriched in oxygen |
| 07/06/1988 | EP0273508A1 Waste gas purification process |
| 07/06/1988 | EP0273267A2 Method of separating a particular component from its liquid solution |
| 07/06/1988 | EP0273193A2 Method for cleaning waste gas denitrating catalyst |
| 07/06/1988 | EP0273084A1 Method for treating waste liquid in wet exhaust gas treating apparatus |
| 07/06/1988 | CN87214994U Gas clarifying filter |
| 07/05/1988 | US4755500 Molded catalyst for catalytic gas reactions |
| 07/05/1988 | US4755499 Sorbent for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams |
| 07/05/1988 | US4755366 Process for cleaning hot waste gas occuring in varying amounts |
| 07/05/1988 | US4755360 Assembly for removing oil contamination from bleed air |
| 07/05/1988 | US4755359 Having foils adhered to support in container so they extend into surroundings on opening |
| 07/05/1988 | US4755282 Process for the reduction of NH3 in regeneration zone off gas by select recycle of certain-sized NH3 decomposition catalysts |
| 07/05/1988 | US4755270 Method of processing solutions |
| 07/05/1988 | US4755200 Feed gas drier precooling in mixed refrigerant natural gas liquefaction processes |
| 07/05/1988 | US4755198 Separates liquid and/or solid contaminants from gases, washes with liquid while preventing wash liquid from contacting contaminants |
| 07/05/1988 | US4755196 Gas drying apparatus for use with compressed fluid operated systems operable for normal operation and regeneration |
| 07/05/1988 | US4755193 Polymer and a membrane having an improved gas-permeability and selectivity |
| 07/05/1988 | CA1238868A1 Method for obtaining high-purity carbon monoxide |
| 07/05/1988 | CA1238867A1 Water vapor exchange system |
| 07/05/1988 | CA1238866A1 Diffusion cell |
| 06/30/1988 | WO1988004571A1 PROCESS FOR REDUCING FLUE GAS NOx EMISSION FROM FIRING INSTALLATIONS |
| 06/30/1988 | DE3729482A1 Verfahren zur reduzierung von no(pfeil abwaerts)x(pfeil abwaerts)-emissionen von rauchgasen aus feuerungsanlagen Method for reduction of no (down arrow) x (down arrow) emissions from flue gases from combustion plants |
| 06/30/1988 | DE3722523C1 Furnace with nozzles for blowing in ammonia for selective noncatalytic flue gas denitration (SNCR) |
| 06/30/1988 | DE3705837C1 Process for microbiological exhaust gas purification |
| 06/30/1988 | DE3643463A1 Residue utilisation from exhaust gas treatment facilities with reuse of the residues |
| 06/29/1988 | EP0272979A1 Process for the treatment of industrial gasescontaining sulfur compounds |
| 06/29/1988 | EP0272738A2 A method and system for controlling a compressed air flow in an air drier |
| 06/29/1988 | EP0272620A2 Process for eliminating nitrogen oxides from exhaust gases emanating from coal combustion |
| 06/29/1988 | EP0272465A1 Process and device for the separation and/or reaction of particles |
| 06/29/1988 | EP0272255A1 A contact apparatus |
| 06/29/1988 | CN87101298A Method for elimiorating reentry disulfides in mercaptan extraction |
| 06/28/1988 | US4753918 Growth compensating metallic exhaust gas catalyst carrier body and metal sheet for manufacturing the same |
| 06/28/1988 | US4753915 Process for making a carrier-supported catalyst |
| 06/28/1988 | US4753907 Fluid particle material regeneration method and apparatus |
| 06/28/1988 | US4753785 Method of purging of waste gases |
| 06/28/1988 | US4753784 Process to remove SOX and NOX from exhaust gases |
| 06/28/1988 | US4753730 Bands or strands formed into webs, wadding, sheets |
| 06/28/1988 | US4753664 Reboiler system for glycol dehydration having improved thermal efficiency |
| 06/28/1988 | US4753178 Process and means for drying smoke or fumes prior to discharge |
| 06/28/1988 | CA1238628A1 Vanadium oxide catalyst for nitrogen oxide reduction and process using the same |
| 06/23/1988 | DE3807323A1 Process for the denitration of a flowing gas which contains at least one type of nitrogen oxide |
| 06/23/1988 | DE3642980A1 Process for the catalytic reduction of NO |
| 06/23/1988 | DE3642674A1 Katalysatortraegerkoerper Katalysatortraegerkoerper |
| 06/23/1988 | DE3642638A1 Process and apparatus for the generation of ozone |
| 06/23/1988 | DE3642612A1 Apparatus for the introduction, under intensive mixing, of a reducing agent into an NOx-containing exhaust gas |
| 06/23/1988 | DE3642472A1 Process and apparatus for purifying exhaust gases |
| 06/23/1988 | DE3642179A1 Process and apparatus for simultaneous SO2 and NOx separation downstream of combustion plants having a coke-precoat filter system |
| 06/23/1988 | DE3642178A1 Process and apparatus for dry SO2 and NOx separation downstream of fired boiler plants |
| 06/23/1988 | DE3642041A1 Method for reprocessing spent oil, and spent oil reprocessing plant |
| 06/22/1988 | EP0272136A2 Catalyst for purifying exhaust gas and method for its production |
| 06/22/1988 | EP0271994A1 Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection |
| 06/22/1988 | EP0271919A2 Catalyst, process for its production and its use in reducing nitrogen oxides |
| 06/22/1988 | EP0271823A1 Process for eliminating reentry disulfides in a mercaptan extraction process |
| 06/22/1988 | EP0271618A1 Mercury absorbent carbon molecular sieves |
| 06/22/1988 | EP0271589A1 Chemical spray apparatus for removing noxious gas in exhaust gas |
| 06/22/1988 | EP0271556A1 Method and device for deacidifying a gas containing h 2?s and/or co 2? as well as mercaptans. |
| 06/22/1988 | EP0271534A1 Method for desulphurising directly flue gas in a furnace. |
| 06/22/1988 | CN87213854U Duster for smoke of boiler |
| 06/22/1988 | CN87107241A Structured tower packing |
| 06/22/1988 | CN86108401A Method of treating exhausted liquid in wet gas conducting and treating device |
| 06/21/1988 | US4752599 Method for producing a base of a catalyst carrier for automobile exhaust gas-purification |
| 06/21/1988 | US4752450 Electron beam passing through a pressure step stage; can be rotationally deflected |
| 06/21/1988 | US4752395 Protein molecules arranged in crystal lattice, for ultrafiltration |
| 06/21/1988 | US4752311 Argon recovery from ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means |
| 06/21/1988 | US4752307 Contacting gas and liquid |
| 06/21/1988 | US4752305 Device and method for separating individual fluids from a mixture of fluids |
| 06/16/1988 | WO1988004197A1 Catalyst carrier body |
| 06/16/1988 | WO1988004196A1 Flue gas purifying procedure |
| 06/16/1988 | WO1988004195A1 Mixed gas separation apparatus utilizing pressure change |
| 06/16/1988 | WO1988004182A1 Process and device for eliminating odours, bacteria, etc. from waste deposits |
| 06/15/1988 | EP0271356A2 Gas separation and purification |
| 06/15/1988 | EP0271224A1 A spray drying absorption process for the desulfurization of a stream of hot flue gas |
| 06/15/1988 | EP0271203A1 Method of stabilizing solutions of chelated polyvalent metals |
| 06/15/1988 | EP0270985A2 Polytrialkylgermylpropyne polymers and membranes |
| 06/15/1988 | EP0270856A1 Metal support for a catalyst and method for its production |
| 06/15/1988 | CN87107795A Direct-desulfarizing process by recycling flue dust |
| 06/15/1988 | CN87106325A Process for desulfurization of flue gases |
| 06/14/1988 | US4751212 Process for the manufacture of a catalyst for the reduction of nitrogen oxides in exhaust gases |
| 06/14/1988 | US4751151 Recovery of carbon dioxide from fuel cell exhaust |
| 06/14/1988 | US4751065 Injecting aqueous hexamethylenetetramine solution into oxygen-rich combustion system |
| 06/14/1988 | US4751054 Ammonia injection controlled by temperature and gas flow rate monitors; computers |
| 06/14/1988 | US4750925 Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means |
| 06/14/1988 | US4750923 Canister for reducing fuel vapor loss |
| 06/14/1988 | US4750918 Porous walls, selective permeation |
| 06/14/1988 | US4750916 Method and arrangement for cleansing a flow of hot contaminated gas |
| 06/14/1988 | CA1237991A1 Fuel vapor recovery system for automotive vehicles |
| 06/14/1988 | CA1237874A1 Staged flow distribution grid assembly and method for ebullated bed reactor |
| 06/14/1988 | CA1237872A1 Liquid spraying |
| 06/14/1988 | CA1237871A1 Aqueous electrolyte desiccation of substantially supercritical co.sub.2 |
| 06/09/1988 | DE3740228A1 Process for producing shaped pieces of concrete aggregate |
| 06/09/1988 | DE3712649C1 Adsorber |
| 06/09/1988 | DE3642468A1 Simultaneous separation of SO2 and NOx in a system step with separate additive addition |
| 06/09/1988 | DE3641205A1 Apparatus for filtering environmentally harmful exhaust gases, in particular flue gases |
| 06/09/1988 | DE3641170A1 Simultaneous SO2/NOx wet scrubbing process with scrubbing water treatment for purifying combustion exhaust gases |
| 06/09/1988 | DE3640953A1 Chemisorption filter compositions for separating off occupied space odours, preferably tobacco smoke |
| 06/08/1988 | EP0270382A2 Method for treating photographic processing waste solution |
| 06/08/1988 | EP0270223A1 Process for conversion or reduction of sulfur dioxide to elemental sulfur |
| 06/08/1988 | EP0270203A1 Heat resistant catalyst and method of producing the same |