Patents
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)
01/1993
01/26/1993US5182088 Removal of gaseous hydrides
01/26/1993US5182086 Purification of compressed air by oxidation of contaminant hydrocarbons
01/26/1993US5182030 Regeneration of adsorbents using advanced oxidation
01/26/1993US5181995 Cleansing environmental air in automobiles
01/26/1993US5181942 Continuous method for removing oil vapor from feed gases containing water vapor
01/26/1993US5181941 Platinum or palladium on porous graphite, separation of hydrogen from hydrocarbons
01/26/1993US5181940 Permselective Gas Separation Membranes
01/26/1993US5181845 Arrangement with protective effectiveness against the deposition of low-melting greases of high viscosity which are carried along in steam at the removal and ignition of hydrogen in a gas mixture containing hydrogen, oxygen and steam
01/26/1993US5181796 Method for in situ contaminant extraction from soil
01/26/1993CA2074311A1 Apparatus for a method of fluid separation
01/26/1993CA1313147C Desulphurisation
01/26/1993CA1313146C Sorbing apparatus
01/26/1993CA1313026C Process and apparatus for the adsorption/chemisorption of gaseous components
01/26/1993CA1313025C Low temperature desulphurization process using absorbent of selected water content
01/23/1993CA2074305A1 Activated carbon honeycombs and applications thereof
01/23/1993CA2068454A1 Engine exhaust system for reduction of hydrocarbon emissions
01/21/1993WO1993001127A1 System for nitrogen oxides reduction to lowest achievable level
01/21/1993WO1993001126A1 Hydrogen sulfide converter
01/21/1993WO1993001125A1 Cocurrent scrubber method and system
01/21/1993WO1993000985A1 Supported metal oxide catalysts for the simultaneous removal of nox and sox from gas streams
01/21/1993WO1993000984A1 A LOW TEMPERATURE, SUPPORTED METAL OXIDE CATALYTIC NOx AND SOx REMOVAL PROCESS FOR RETROFIT TO WET FLUE GAS DESULFURIZATION SYSTEMS
01/21/1993WO1993000983A1 Process for cleaning an exhaust gas containing sulphur dioxide and possibly other pollutants
01/21/1993WO1993000982A1 Process and device for detoxifying the exhaust gas from rubbish incineration plants
01/21/1993WO1993000981A1 Method and apparatus for purifying contaminated gases
01/21/1993WO1993000980A1 Gas scrubbing process and device, in particular for flue gas
01/21/1993DE4123962A1 Fluidised bed bag filter - for simultaneous dust and noxious gas removal from industrial waste gas
01/21/1993DE4123907A1 Sepn. of mercury@ and/or mercury cpds. from waste - comprises treatment with washing liq. contg. finely divided colloid and polysulphide additive
01/21/1993DE4123789A1 Catalytic converter for vehicle exhausts - with heating arrangement using latent heat
01/21/1993DE4123544A1 Exhaust gas washing - uses strong agitation of fluid with gas to collect toxic matter by transfer contact in sealed container
01/21/1993DE4123377A1 Flue gas purificn. for combustion plant or refuse incinerator - waste gas classification uses cooling cells at continually decreasing temp., with flue gas passed downwards through cells
01/21/1993DE4122717A1 Recovery of precious metals from automotive catalytic converter - includes crushing metallic substrate and coatings into particles of differing weight, shape, and size and mechanically sepg. the precious particles
01/21/1993CA2090476A1 Method and apparatus for purifying contaminated gases
01/20/1993EP0524035A1 Catalyst and process for sulfur compounds containing gases
01/20/1993EP0523929A1 Adsorption condensation recovery system
01/20/1993EP0523525A1 Process for purification of gaseous organometallic compounds
01/20/1993EP0523469A1 Method for the reduction of NOx emission of a gas turbine
01/20/1993EP0523194A1 Charge/purge control system for air dryer with humidity control.
01/20/1993EP0523097A1 Apparatus and method for regenerating deactivated zeolite reforming catalysts.
01/19/1993US5180703 Treatment of waste gases, stabilized alumina, alkali or alkaline earth active ingredient
01/19/1993US5180572 Conversion of hydrogen sulfide to sulfur and hydrogen
01/19/1993US5180567 Exhaust gas treating method
01/19/1993US5180566 Process for the removal of ammonia from gases
01/19/1993US5180565 No reduction using sublimation of cyanuric acid
01/19/1993US5180554 Method of detecting the presence of moisture in a gas
01/19/1993US5180552 Room air purification
01/19/1993US5180502 Electrolytic ozonizer and method of decomposing ozone-containing waste gas using said ozonizer
01/19/1993CA1312882C Process for removing organochlorine compounds from the offgas from the oxidation of ethylene
01/19/1993CA1312830C Process for separating nitrogen from mixtures thereof with less polar substances
01/19/1993CA1312829C Selective adsorption of co -on zeolites
01/19/1993CA1312721C Process for removing sulfur moieties from claus tail-gas
01/16/1993CA2072666A1 Adsorption condensation solvent recovery system
01/14/1993DE4221939A1 Flue gas cleaning using foam-forming reactant - involves subsequent foam destruction and separate collection of removed contaminants
01/14/1993DE4221593A1 Generation of oxygen@ from air
01/14/1993DE4221363A1 Verfahren und vorrichtung zum reinigen eines abgases Method and apparatus for purifying exhaust gas
01/14/1993DE4211761A1 Redn. of scrubber liquor aerosol carry-over - by indirect air cooling, suitable for air conditioning system scrubber product air
01/14/1993DE4123258A1 Verfahren zum reinigen eines schwefeldioxid und ggf. andere schadstoffe enthaltenden abgases Method for cleaning a sulfur dioxide and possibly other pollutants containing exhaust gas
01/14/1993DE4122875A1 Organic solvent sepn. from exhaust air - by concn. of solvent by selective gas permeation sufficiently for auto-thermal combustion, and feeding conc. permeate to catalytic combustion system
01/14/1993DE4122807A1 Monolithic catalyst body with laminar flow interruption slot(s) - useful for waste gas cleaning
01/14/1993DE4121809A1 Perforated screen-contg. moving granule packed bed - partic. for removal of sulphur di:oxide, nitrogen oxide(s) from smoke, or carbon from exhaust gas
01/13/1993EP0522547A2 Carbonyl-containing degradable chelants, uses and compositions thereof
01/13/1993EP0522490A1 Catalyst and method for exhaust gas purification
01/13/1993EP0521849A1 Process, composition, and apparatus for purifying inert gases to remove lewis acid and oxidant impurities therefrom.
01/13/1993EP0445113B1 Process and installation for purifying waste gases, in particular fumes from refuse incineration plants
01/13/1993EP0204710B1 Method for the removal of sulphur oxides from a flue gas with a baghouse as a secondary reactor
01/13/1993CN1067829A Catalyst and process for treating sulfur coupound-containing gases
01/13/1993CA2073578A1 Carbonyl-containing degradable chelants, uses and compositions thereof
01/12/1993US5179060 Dispersion enhanced pt group metal catalysts and method of making the catalysts
01/12/1993US5179059 Catalyst for purifying the exhaust gases of internal combustion engines and method for making the catalyst
01/12/1993US5179058 Process for manufacturing a carbonaceous catalyst for the reduction of nitrogen oxides in exhaust gases
01/12/1993US5179053 Treating exchaust from a compressed natural gas-fueled engine
01/12/1993US5178843 Removal of hydrogen sulfide from fluid streams
01/12/1993US5178653 Droplet separator, scrubbing chamber in space between outer cylinder and distribution cylinder, inwardly turnable partition walls, concentric inner cylinder inside distribution cylinder, whirl flow aperture, concentric drain cylinder
01/12/1993US5178649 Polyethers
01/12/1993US5178101 Low NOx combustion process and system
01/12/1993US5177961 Upstream collimator for electrically heatable catalytic converter
01/12/1993US5177876 Reactor installation for countercurrent treatment of gases and bulk solids
01/12/1993CA1312552C Recovery of methane from land fill gas
01/12/1993CA1312449C Inert gas purifier for bulk nitrogen without the use of hydrogen or other reducing gases
01/12/1993CA1312448C Method for the reduction of sulfur trioxide in an effluent
01/12/1993CA1312428C Acid gas scrubbing by composite solvent-swollen membranes
01/12/1993CA1312425C Semipermeable thin-film membranes comprising siloxane, alkoxysilyl and aryloxysilyl oligomers and copolymers
01/07/1993WO1993000152A1 Use of crystalline molecular sieves containing charged octahedral sites in cyclic desiccating processes
01/07/1993WO1993000151A1 Method of recovering adsorbed solvents
01/07/1993WO1993000150A1 Device for cleaning flue gas
01/07/1993EP0521784A1 Multistage cascade-sweep process for membrane gas separation
01/07/1993EP0521613A2 Concentrated water soluble organic lanthanide salts
01/07/1993EP0521298A2 Heat exchange apparatus for dryer by refrigeration in compressed air plants and tubes/plates heat exchanger for this use
01/07/1993EP0521239A1 Process for the recovery of solvents adsorbed in an adsorber
01/07/1993EP0511307A4 Catalytic reactor for gas phase reactions
01/07/1993EP0428558B1 Expanded polytetrafluoroethylene tubular container
01/07/1993DE4219540A1 I.C. engine exhaust gas catalytic converter housing - has hot gas shielding and lower direct gas impingement on the housing, reducing the noise caused by pulsating flow
01/07/1993DE4219497A1 Dust filter with dioxin adsorption layer - formed by adsorbent addn. to dirty gas stream
01/07/1993CA2112389A1 Apparatus for flue gas cleaning
01/07/1993CA2088791A1 Use of crystalline molecular sieves containing charges octahedral sites in cyclic desiccating processes
01/06/1993CN1067724A Process for removal of so2 and nox from combustion flue gases and apparatus used therefor
01/05/1993US5177050 Sulfur absorbents
01/05/1993US5177041 Platinum, palladium and rhodium on refractory support
01/05/1993US5176897 Catalytic destruction of organohalogen compounds
01/05/1993US5176896 Apparatus and method for generation of control signal for Claus process optimization
01/05/1993US5176888 Air pollution control, desulfurization, denitration