| 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) |
|---|
| 02/09/1994 | EP0582022A1 Process for production of gaseous ammonia from urea |
| 02/09/1994 | EP0581850A1 ADVANCED REBURNING FOR REDUCTION OF NO x? EMISSIONS IN COMBUSTION SYSTEMS. |
| 02/09/1994 | CN2155266Y Dust-removing devulcanizer |
| 02/09/1994 | CN2155226Y Refrigerator deodoriser |
| 02/09/1994 | CN1081761A Industrial furnace and method of operating the same |
| 02/09/1994 | CN1023713C Method for removing hydrogen sulfide from partly oxygenated gas |
| 02/08/1994 | US5284638 System and method for removing hydrocarbons from gaseous mixtures using multiple adsorbing agents |
| 02/08/1994 | US5284637 Dry sorbent reactivation process |
| 02/08/1994 | US5284636 Method of stabilizing heavy metals in ash residues from combustion devices by addition of elemental phosphorus |
| 02/08/1994 | US5284635 Process for the elimination of hydrogen sulfide by using water-in-oil emulsions |
| 02/08/1994 | US5284629 Catalytic oxidation of hydrocarbons to carbon dioxide and water |
| 02/08/1994 | US5284628 Air pollution control |
| 02/08/1994 | US5284605 Method of treating gas based on electrolytic fluorine containing uranium compounds |
| 02/08/1994 | US5284557 Method for desulfurizing exhaust smoke |
| 02/08/1994 | US5284556 Exhaust treatment system and method |
| 02/08/1994 | US5284526 Mixing nitrogen containing oxygen with hydrogen over catalyst, mixing with hydrocarbon, heating to convert moisture to carbon monoxide and hydrogen |
| 02/08/1994 | US5284506 Fast response high purity membrane nitrogen generator |
| 02/08/1994 | CA2023608C Dehumidifier for waveguide system |
| 02/08/1994 | CA1326799C Ostomy bag and gas filter for same |
| 02/08/1994 | CA1326758C Process of desulfurization |
| 02/06/1994 | CA2099693A1 System and method for removing hydrocarbons from gaseous mixtures using multiple adsorbing agents |
| 02/06/1994 | CA2096197A1 Apparatus and method for modifying gaseous mixtures |
| 02/06/1994 | CA2094763A1 System and method for removing hydrocarbons from gaseous mixtures |
| 02/04/1994 | CA2101373A1 Hydrogen recovery by adsorbent membranes |
| 02/03/1994 | WO1994002720A1 Gas cleaning device with a filter |
| 02/03/1994 | WO1994002410A1 BOILER OPERATION WITH DECREASED NOx AND WASTE WATER DISCHARGE |
| 02/03/1994 | WO1994002244A1 Aluminium oxide catalyst containing silver, and method of decomposing nitrous oxide |
| 02/03/1994 | WO1994002242A1 Process for disposing of environmentally harmful substances |
| 02/03/1994 | WO1994002192A1 Hygroscopic cartridge particularly for filters for medical use |
| 02/03/1994 | DE4324990A1 Producing porous metal oxide-coated carrier for e.g. engine exhaust catalysts - by treating skinless steel with metal alkoxide and also a diol, cellosolve or polyether. |
| 02/03/1994 | DE4316508A1 Exhaust gas purificn. catalyst with catalyst coating contg. active alumina - with large specific surface area and porosity obtd. by supercritical drying of sol or gel and platinum, palladium and/or rhodium, used in car |
| 02/03/1994 | DE4225272A1 Adsorption filter for air purification or off-gases - contains adsorber granules, e.g. active carbon, fixed on a support which can be heated, e.g. electrically, to regenerate the filter |
| 02/03/1994 | DE4225170A1 Automotive fuel storage and delivery system - removes vapours formed during storage and delivery to prevent formation of explosive mixts. |
| 02/03/1994 | DE4224881A1 Silberhaltiger Aluminiumoxid-Trägerkatalysator und Verfahren zur katalytischen Zersetzung von reinem oder in Gasgemischen enthaltenem Distickstoffmonoxid Silver-alumina-supported catalyst and process for the catalytic decomposition of pure or contained in gas mixtures nitrous oxide |
| 02/03/1994 | DE4224778A1 Entsorgungsverfahren für Umweltgifte Methods of disposal of pollutants |
| 02/03/1994 | CA2140885A1 Boiler operation with decreased no and waste water discharge |
| 02/02/1994 | EP0581427A1 Treatment of process air stream from rapid cooling of polyurethane foam |
| 02/02/1994 | EP0581195A1 Membrane separation module |
| 02/02/1994 | EP0581026A1 Removal of hydrogen sulfide |
| 02/02/1994 | EP0580743A1 Catalytic converter having a monolith mounting which is comprised of partially dehydrated vermiculite flakes. |
| 02/02/1994 | EP0292569B1 Mixed gas separation apparatus utilizing pressure swing adsorption |
| 02/02/1994 | CN1081424A Process for refining desulfuration at ambient temp. |
| 02/02/1994 | CN1081398A High-efficiency serbent for adsorbing CO2 and prodn. method thereof |
| 02/02/1994 | CN1081393A High-efficiency drying agent and the prodn. method thereof |
| 02/01/1994 | US5283219 Active composite and its use as reaction medium |
| 02/01/1994 | US5283055 Process using novel catalysts for the selective reduction of nitrogen oxides |
| 02/01/1994 | US5283052 A combustion chamber has a combustion zone, a flue gas conduit connecting to, a nozzle for injecting molybdenum oxide dust over the catalysts; continuous processing without shut down the power plant |
| 02/01/1994 | US5283041 Catalytic incineration of organic compounds |
| 02/01/1994 | US5283035 Extraction; liquefaction; separation; circulation; replacement with inert gas; ethylene oxide |
| 02/01/1994 | US5282999 Sorbent for treatment of effluent gas stream |
| 02/01/1994 | US5282969 High pressure feed membrane separation process |
| 02/01/1994 | US5282968 Process for separating and recovering halocarbons from mixtures thereof |
| 02/01/1994 | US5282964 Boreside feed hollow fiber membrane device |
| 02/01/1994 | US5282886 Gas adsorption and desorption method |
| 02/01/1994 | US5282355 Exhaust gas NOx removal system |
| 02/01/1994 | CA1326658C Preparation and regeneration process of a solid mercury collecting mass containing copper |
| 01/29/1994 | CA2100990A1 Membrane separation module |
| 01/27/1994 | DE4241278A1 Sieve-type floor or intermediate floor - comprising individual floor plates fitted on base surface via legs as distance holders |
| 01/27/1994 | DE4224544A1 Method for cleaning waste air from compositing process - mixes waste air with fresh air fed via evapn. cooler, prior to being fed to atmosphere |
| 01/27/1994 | DE4224391A1 Filter to remove smells and pollutants from air arising from technical and biological processes - comprising sealed box contg. filter material maintained at controlled temp. |
| 01/27/1994 | DE4224259A1 Fluid purificn. appts. - having treatment reactor with controlled ozone supply |
| 01/27/1994 | DE4224090A1 Agitated solid biological filter bed for exhaust gas purification - particularly for gases containing fine solids or carbon particles |
| 01/27/1994 | DE4223874A1 Carrier plate for compost and bio-filter systems - comprises frame for slitted and ribbed polygonal surfaces |
| 01/27/1994 | DE4222469C1 Verfahren und Vorrichtung zur thermischen Behandlung von Gas, insbesondere thermischen und/oder katalytischen Nachverbrennung von Abgas Method and apparatus for thermal treatment of gas, in particular thermal and / or catalytic after-burning of waste gas |
| 01/26/1994 | EP0580389A1 Exhaust gas purification apparatus for an internal combustion engine |
| 01/26/1994 | EP0580312A1 Catalyst and process for removing nitrogen oxides |
| 01/26/1994 | EP0580158A1 Method of treating active material |
| 01/26/1994 | EP0580057A2 Flue gas purification system with modular filtering system for chimneys of small-capacity combustion apparatus |
| 01/26/1994 | EP0579956A1 Catalytic converter for internal combustion engines |
| 01/26/1994 | EP0579808A1 Device for filtering gases using a biological filter material |
| 01/26/1994 | EP0579711A1 Method for removing sulphur compounds from water. |
| 01/26/1994 | EP0502088B1 Method in cleaning flue gas in a pfbc plant including a gas turbine driven thereby |
| 01/26/1994 | EP0417200B1 Sulfuric acid process and apparatus |
| 01/26/1994 | EP0348501B1 Process for separating higher hydrocarbons from natural or produced gas streams |
| 01/26/1994 | CN2154120Y Oxygen device |
| 01/26/1994 | CN1081123A Removal of nitrogen from flue gases at low temperatures |
| 01/25/1994 | US5281462 Alumina-silica ceramic, mullite and corundum crystalline phases dispersed in amorphous phase, open-cell honeycombs |
| 01/25/1994 | US5281445 Coating of components of sulfur absorbants |
| 01/25/1994 | US5281403 Method for converting urea to ammonia |
| 01/25/1994 | US5281402 Cost reduction of wet FGD system with a tray |
| 01/25/1994 | US5281399 For treatment of exhaust gases; chemical resistance; rigid cellular material fills space between refractory body and container wall |
| 01/25/1994 | US5281317 Electrodialytic water splitting process for removing SO2 from gases |
| 01/25/1994 | US5281259 Purification of natural gas, adsorption by silver on zeolite, desorption, condensation |
| 01/25/1994 | US5281258 Adsorption on fixed zeolite bed, condensation, avoiding formation of hydrocarbon hydrates by passing through a desiccant bed |
| 01/25/1994 | US5281257 System for increasing efficiency of vapor phase pollutant removal with on-site regeneration and pollutant recovery |
| 01/25/1994 | US5281255 Gas-separation process |
| 01/25/1994 | US5281254 Separation of gases, venting membrane, pressure swing adsorption |
| 01/25/1994 | US5281253 Multistage membrane control system and process |
| 01/25/1994 | US5281245 Flue gas treatment apparatus and flue gas treatment system |
| 01/25/1994 | US5280709 Cooling condenser system for processing oily smoke and chemical evaporation |
| 01/25/1994 | CA1326346C Baghouse bag design for simultaneous particulate capture and chemical reaction |
| 01/25/1994 | CA1326343C Process for the co-production of gaseous carbon dioxide and hydrogen |
| 01/25/1994 | CA1326342C Production of carbon dioxide by combustion of landfill gas |
| 01/20/1994 | WO1994001872A1 A method for purifying a stream of hydrogen isotopes from impurities |
| 01/20/1994 | WO1994001724A1 Combined combustion and exhaust gas cleansing plant |
| 01/20/1994 | WO1994001661A1 Metal honeycomb body of entwined layers of sheet metal and process for producing it |
| 01/20/1994 | WO1994001660A1 Low nox cogeneration process and system |
| 01/20/1994 | WO1994001365A1 Synthesis of zeolite films bonded to substrates, structures and uses thereof |
| 01/20/1994 | WO1994001209A1 Membrane |
| 01/20/1994 | WO1994001205A1 Desulphurisation of waste gases |