| 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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| 04/21/1994 | DE4235125A1 Prodn. of synthesis gas by redn of carbon di-oxide in an electrolytic reaction cell - providing a non-fossil feedstock route to methanol, etc. |
| 04/21/1994 | DE4229177C1 Gas cooler, for analytic purposes - has cooling block with drill hole face protected by plastic against aggressive gases, minimising overall dimensions, enhancing efficiency and minimising reference gas losses |
| 04/21/1994 | CA2100935A1 Exhaust gas conversion system using zeolite positioned close to exhaust gas source |
| 04/20/1994 | EP0593393A1 Biological air filter |
| 04/20/1994 | EP0593313A1 Method of deodorising a mercapto acid by extraction of malodorous compounds and deodorised product thus obtained |
| 04/20/1994 | EP0592985A1 Compositions for reversibly binding oxygen |
| 04/20/1994 | EP0592778A2 Plate module and its use for separating fluid mixtures |
| 04/20/1994 | EP0592767A1 Adsorber - system |
| 04/20/1994 | EP0592713A1 Engine exhaust system with reduced hydrocarbon emissions |
| 04/20/1994 | EP0592667A1 Highly heat resistant metallic carrier for automobile catalyst |
| 04/20/1994 | EP0592477A1 Device for cleaning flue gas. |
| 04/20/1994 | EP0592418A1 Process and device for detoxifying the exhaust gas from rubbish incineration plants. |
| 04/20/1994 | CN2162286Y Water-clean dust remover |
| 04/20/1994 | CN2162285Y Wet dust-remove desulphurization device |
| 04/20/1994 | CN1085465A Liquid distributor for a vapor-liquid contracting column |
| 04/20/1994 | CN1024258C Horn-shape steam scatterer |
| 04/19/1994 | US5304693 Process for eliminating mercury from steam cracking installations |
| 04/19/1994 | US5304423 Packing element |
| 04/19/1994 | US5304363 Porous materials |
| 04/19/1994 | US5304362 Method in cleaning flue gas in a PFBC plant including a gas turbine driven thereby |
| 04/19/1994 | US5304361 Oxidation of hydrogen sulfide to sulfer dioxide and water, absorption, catalytic reduction of sulfur dioxide |
| 04/19/1994 | US5304356 System of pipes, compressor, nozzles, reactor vessel and dispersing propeller for low temperature reaction of carbon dioxide and water to form crystalline hydrate which is then dispersed onto ocean floor |
| 04/19/1994 | US5304353 Apparatus for increasing the yield and the production potential of urea reactors |
| 04/19/1994 | US5304351 Semi-oval shaped carrier having excellent thermal stress resistance and thermal fatigue resistance for automobile exhaust gas-purifying catalyst |
| 04/19/1994 | US5304253 Using low boiling halogenated hydrocarbons; pressurization |
| 04/19/1994 | US5304235 Canister |
| 04/19/1994 | US5304234 Gas separation process and unit therefor |
| 04/19/1994 | US5303547 Emissions control system and method |
| 04/19/1994 | CA1328653C Catalysts |
| 04/16/1994 | CA2080676A1 Engine exhaust system with reduced hydrocarbon emissions |
| 04/14/1994 | WO1994008180A1 Process and device for making use of the energy from flue gases in coal-fired power stations |
| 04/14/1994 | WO1994007828A1 Processes for converting chlorinated byproducts and waste products to useful materials |
| 04/14/1994 | WO1994007827A1 Processes for converting chlorinated alkane byproducts or waste products to useful, less chlorinated alkenes |
| 04/14/1994 | WO1994007826A1 Processes for converting chlorinated alkenes to corresponding useful, less chlorinated alkenes |
| 04/14/1994 | WO1994007825A1 Processes for converting chlorinated alkene byproducts or waste products to useful, less chlorinated alkanes |
| 04/14/1994 | WO1994007824A1 Process for converting perchloroethylene to trichloroethylene |
| 04/14/1994 | WO1994007823A1 Process for converting 1,1,2-trichloroethane to vinyl chloride and/or ethylene |
| 04/14/1994 | WO1994007822A1 Processes for converting chlorinated alkane byproducts or waste products to useful, less chlorinated alkanes |
| 04/14/1994 | WO1994007821A1 Processes for converting 1,2,3-trichloropropane to allyl chloride and propylene |
| 04/14/1994 | WO1994007820A1 Process for converting 1,1,1,2-tetrachloroethane to vinylidene chloride |
| 04/14/1994 | WO1994007819A1 Process for converting 1,2-dichloropropane to propylene |
| 04/14/1994 | WO1994007818A1 Process for converting 2-chloropropane to propylene |
| 04/14/1994 | WO1994007817A1 Process for converting 2-chloropropene to propylene |
| 04/14/1994 | WO1994007816A1 Process for converting 1,3-dichloropropene to propylene |
| 04/14/1994 | WO1994007802A1 Odour controlled waste water treatment system |
| 04/14/1994 | WO1994007796A1 Process for the recovery of sulfur from a feedstock |
| 04/14/1994 | WO1994007726A1 Air dryer regeneration system for compressors |
| 04/14/1994 | WO1994007600A1 Palladium-containing three-way automotive catalysts having unique support |
| 04/14/1994 | WO1994007591A1 Process of producing calcium hydroxide for absorption |
| 04/14/1994 | WO1994007590A1 Method and apparatus for cleaning a gas |
| 04/14/1994 | DE4334763A1 IC engine exhaust gas cleaning system in IC engine exhaust gas pipeline - has Nitrogen-Oxide absorption unit which is arranged in the exhaust gas pipeline and absorbs Nitrogen-Oxide if air-fuel ratio flowing in unit is lean and frees Nitrogen-Oxide if ratio is rich |
| 04/14/1994 | DE4333424A1 Diesel engine combustion regulator with engine operating condition detectors - has first units for relative redn. of combustion temp. corresp. to detected engine operating conditions and second units for lengthening time of ignition retardation |
| 04/14/1994 | DE4244712A1 Coating dispersion for mfr. of catalyst carrier - comprises aq. dispersion of temp. resistant carrier materials as solids |
| 04/14/1994 | DE4234477A1 Solvent recovery by adsorption from air or other gas streams - includes using cooling enhanced adsorption and heated bed description |
| 04/14/1994 | DE4234436A1 Retro:fitted catalytic converter for motor vehicles - with casing filled with ceramic spheres coated with chromium@ and precious metal |
| 04/14/1994 | DE4234080A1 Use of liq scrubber for concentrating pollutants in an air stream - eg for subsequent combustion, includes liq scrubbing desorbing pollutant in sec higher temp step to sec lower flow rate air stream. |
| 04/14/1994 | DE4234023A1 Decontamination of chemical warfare gas contaminated items and enclosed spaces - by silica gel adsorption |
| 04/14/1994 | CA2144627A1 Palladium-containing three-way automotive catalysts having unique support |
| 04/14/1994 | CA2107844A1 Compositions for reversibly binding oxygen |
| 04/13/1994 | EP0592025A1 Process for seperating halogenated dioxins and furans from exhaust gases from combustion devices |
| 04/13/1994 | EP0591920A2 Method and apparatus for removing harmful gas |
| 04/13/1994 | EP0591919A1 Nitrogen adsorption with a divalent cation exchanged lithium X-zeolite |
| 04/13/1994 | EP0591840A1 Apparatus for supplying high purity fluid |
| 04/13/1994 | EP0591703A2 Method for the generation of electrical power from wastes of plastics material |
| 04/13/1994 | EP0591689A1 Metallic carrier for catalyst with a matrix of metal strips coated with catalyst, said matrix being welded within a tubular casing |
| 04/13/1994 | EP0591673A1 Filter for ventilation ducts of motor vehicle passenger compartments |
| 04/13/1994 | EP0591518A1 Amplified mixer-blower mechanism and uses thereof |
| 04/13/1994 | EP0591232A1 Oxidation catalyst resistant to sulfation. |
| 04/13/1994 | CN1085121A Wet dusting and desulfurizing process for fume and dusting pool thereof |
| 04/13/1994 | CN1085120A Method and smokestack for condensing and purifying combustion gas |
| 04/13/1994 | CN1085119A Method for increasing equalizing frequency in process of pressure-swing adsorption |
| 04/13/1994 | CN1024165C Two-direction inner circulation gas-liquid high-efficiency mixing contactor |
| 04/12/1994 | US5302794 Microwave apparatus for drying air |
| 04/12/1994 | US5302558 Porous sepiolite, process for producing same and adsorptive decomposition catalyst composition utilizing such porous sepiolite |
| 04/12/1994 | US5302361 Removing hydrogen sulfide by oxidizing to elemental sulfur |
| 04/12/1994 | US5302355 Exhaust purifying device and method of producing the same |
| 04/12/1994 | US5302354 Filtration device |
| 04/12/1994 | US5302270 Oxygen concentration or humidity controlling apparatus |
| 04/12/1994 | US5302258 A solid composition of a metal oxide combined with multiple dopants; provides high oxygen ion conductivity |
| 04/12/1994 | US5302189 Membrane nitrogen gas generator with improved flexibility |
| 04/12/1994 | US5302188 Transported by pressurized flue gas |
| 04/12/1994 | US5302187 Concentration process of gaseous chlorine |
| 04/07/1994 | DE4333343A1 Catalysts for exhaust gas purificn. - contg. platinum plus iridium and/or Group IIIB and/or IVB metal |
| 04/07/1994 | DE4300988C1 Oxygen-enriched air generator contg. zeolite bed giving pure prod. - with chamber in outlet system opened during adsorption and sealed during regeneration phase, e.g. for use in vehicle or aircraft |
| 04/07/1994 | DE4233685A1 Verfahren und Anordnung zur Energienutzung von Rauchgasen in kohlegefeuerten Kraftwerken Method and system for energy use of flue gases in coal-fired power plants |
| 04/07/1994 | DE4233577A1 Adsorption of chloro:fluorocarbon(s) onto hydrophobic molecular sieve - composed of dealuminised natural or synthetic zeolite with a well defined pore size |
| 04/07/1994 | DE4233478A1 Purification of air contaminated with volatile cpds. - passes bubbles of raw air up through scrubber where impurities are e.g. oxidised and washed before being passed through absorbent polymer |
| 04/07/1994 | CA2101804A1 Multiple purity membrane process |
| 04/06/1994 | EP0590947A1 Purification of oxygen by adsorption |
| 04/06/1994 | EP0590946A1 Production of nitrogen |
| 04/06/1994 | EP0590814A2 A particulate and exhaust gas emission control system |
| 04/06/1994 | EP0590744A1 Method for recovering ammonia adsorbent |
| 04/06/1994 | EP0590615A1 Purge effluent repressurized adsorption process |
| 04/06/1994 | EP0590596A1 Metal catalyst carrier for exhaust gas purification |
| 04/06/1994 | EP0590562A1 Depressurization effluent repressurized adsorption process |
| 04/06/1994 | EP0590477A1 Architectural material using metal oxide exhibiting photocatalytic activity |
| 04/06/1994 | EP0590202A1 Process and device for removing undesirable chemical compounds from gases, exhaust gases, vapors and brines |
| 04/06/1994 | EP0589905A1 Gas supply system |
| 04/06/1994 | EP0589897A1 Ultraporous and microporous membranes and method of making membranes |
| 04/06/1994 | EP0429476B1 Polymer composition for scavenging oxygen |