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)
11/1989
11/30/1989DE3817685A1 Apparatus for receiving free-flowing bulk material through which a gas flow flows
11/30/1989DE3817357A1 Process and apparatus for the heat treatment of fine-grained material
11/30/1989DE3816726A1 Apparatus for flue gas treatment - afterburning hydrocarbon and soot particles from flue gas and exhaust gas streams
11/29/1989EP0344053A1 Process for producing high-purity hydrogen by catalytic reforming of methanol
11/29/1989EP0343987A2 Exhaust gas treating apparatus
11/29/1989EP0343799A2 Separation of gaseous mixtures
11/29/1989EP0343697A1 Composite adsorbent
11/29/1989EP0343674A1 Method and apparatus for cleaning gas mixtures composed of hydrocarbons and their derivatives by means of solid absorbents
11/29/1989EP0343672A1 Method and apparatus for cleaning gas mixtures composed of heavy hydrocarbons and their derivatives
11/29/1989EP0343596A2 Container for freeze drying under sterile conditions
11/29/1989EP0343284A1 Process for obtaining hydrocarbons from high concentrated gas streams
11/29/1989EP0302895A4 Heater for carbon particles.
11/29/1989CN1037466A Process for eliminating mercury and eventual arsenic from hydrocarbons
11/29/1989CN1037465A Filtering material for removing fluorine and its application method
11/29/1989CN1037462A Seperation of water from hydrocarbons and halogenated hydrocarbons
11/28/1989US4883647 Low temperature process, reaction with ammonia
11/28/1989US4883570 Decomposition of pollutants
11/28/1989US4883515 Processing hydrocarbon gases with selected physical solvents
11/28/1989CA1263325A1 Process and apparatus for purifying styrene- containing exhaust air
11/23/1989EP0342877A2 Improvement in pressure swing in adsorption process for gas separation
11/23/1989EP0342588A1 Method and apparatus for purifying exhaust gases with honey comb bodies made of calcium compounds
11/23/1989EP0342559A1 Device for the deposition of dust and/or acidic noxious matters from gases
11/23/1989EP0342365A2 Method and apparatus for removing odorous substances in gases by heating in a combustion apparatus
11/23/1989EP0342310A1 Composition containing divalent manganese ion and method for preparing the same
11/23/1989DE3828844A1 Process for disposing of sodium sulphate having a high water of crystallisation content, in particular of wastes of flue gas desulphurisation in the combustion of high-sulphur fossil fuels, for example of low-grade coal
11/23/1989DE3817245A1 Regenerative heat exchanger for gas purification
11/23/1989DE3816600A1 Process for the regeneration of arsenic-contaminated catalysts and sorbents
11/23/1989DE3816306A1 Verfahren zum betrieb einer abgasreinigungsanlage, insb. rauchgasreinigungsanlage hinter muellverbrennungsanlagen und abgasreinigungsanlage fuer die durchfuehrung des verfahrens A method of operating an emission control system, esp. Flue gas cleaning system behind waste incinerators and emission control system for implementing the method
11/23/1989DE3815982A1 Process for the production of reactive calcium hydroxides for purification of gas and exhaust gas
11/23/1989DE3815850A1 Nuclear power station with a containment shell and method for its depressurisation
11/23/1989DE3815807A1 Process for the selective noncatalytic removal of nitrogen oxides from exhaust gases
11/22/1989CN1037281A Composition for introduction into high temp. environment
11/21/1989US4882309 Hydrating calcium oxide with water containing lignosulfonate surfactant to form fine, nonagglomerating particles
11/21/1989US4882020 Bag filter with electrostatic precipitator as dust collector improves desulfurization and/or denitrification rate
11/21/1989US4881958 Adsorption device for gas separation
11/21/1989US4881955 Maintaining permeate gas flow countercurrent to feed and raffinate flows; using fibers of uniform length
11/21/1989US4881954 Porous support layer, separation layer composite
11/21/1989US4881953 Prevention of membrane degradation
11/21/1989CA1263084A1 Air drying system for pneumatic circuits
11/16/1989WO1989011024A1 Pollution abatement facility for exhaust gases
11/16/1989WO1989010784A1 Process and installation for purifying waste gases, in particular fumes from refuse incineration plants
11/16/1989WO1989010783A1 Improved process for recovering acidic gases
11/16/1989DE3901580A1 Process for regeneration and increasing the activity of activated cokes of dry flue gas desulphurisation
11/16/1989DE3815632A1 Process for melting ash and other ceramic materials having harmful constituents
11/15/1989EP0342184A2 Process for removing nitrogen oxides by means of solid reduction agents
11/15/1989EP0342169A2 Electrolytic ozonizer and method of decomposing ozone-containing waste gas using said ozonizer
11/15/1989EP0342110A1 Macrocylic amine complexes for ligand extraction and generation
11/15/1989EP0341879A1 Hydrogen and carbon dioxide coproduction
11/15/1989EP0341572A2 Process for regenerating an absorbent charged with H2S and/or COS
11/15/1989EP0341565A2 Process for the selective removal and destruction of hydrogen cyanide from nitrose containing gases
11/15/1989EP0341280A1 Process for removing hazardous substances from water or air.
11/15/1989EP0204700B1 Activated carbon adsorbent with increased heat capacity and the production thereof
11/15/1989CN1037091A Process for purification of reducing gases under high temperature
11/15/1989CN1037086A Method and apparatus for the elimination of odorous substances in gases by heating in combustion plant
11/14/1989US4880685 Pollution control, heat treatment
11/14/1989US4880609 Chelate catalyst system for H2 S removal from a gas stream
11/14/1989US4880608 Contactor/filter improvements
11/14/1989US4880606 Method and apparatus for desulfurization of sulfur or hydrogen sulfide-containing gases
11/14/1989US4880446 Process for heating up moist gases containing hydrogen halides
11/14/1989US4880445 Oxygen absorption into water, degassing
11/14/1989US4880443 Zeolites, nitrogen flow
11/14/1989US4880442 Polyimide gas separation membranes
11/14/1989US4880441 Asymmetric gas separation membranes having graded density skins
11/14/1989US4880440 Hollow fiber multimembrane cells and permeators
11/14/1989US4880378 Combustion plant with a device for reducing nitrogen oxides in flue gases
11/09/1989DE3913972A1 Catalyst for purifying exhaust gases
11/09/1989DE3913968A1 Process for treating organic constituents of exhaust air
11/09/1989DE3814146A1 Method and plant for spent oil reprocessing
11/09/1989DE3813976A1 Process for recovering a helium-rich helium/hydrogen mixture
11/08/1989EP0341196A2 Moving bed reactor having a large surface crossflow
11/08/1989EP0340666A1 Composition for introduction into a high temperature environment
11/08/1989EP0340542A1 Adsorptionfilter with high air permeability
11/08/1989EP0270531B1 Moving bed reactor
11/08/1989CN1036965A Highly soluble aromatic polyimides
11/08/1989CN1036964A Polyimide gas separation membranes
11/08/1989CN1036909A Reactive posttreatment for gas separation membranes
11/08/1989CN1036908A Reactive posttreatment for gas separation membranes
11/08/1989CN1005681B Preparation of monolithic catalyst support structures having an integrated high surface area phase
11/08/1989CN1005680B Regeneration of basic aluminum sulfate used for desulfurization of flue gases containing sulfur dioxide of low concentration
11/07/1989US4879102 Regeneration of wash solutions containing Fe(II) and Fe(III) chelate complexes
11/07/1989US4879099 Catalyst basket for denitration for use in an exhaust gas passage
11/07/1989US4878925 Apparatus for removing foreign substances in gas
11/02/1989WO1989010527A1 Heat and material exchange device and manufacturing process
11/02/1989WO1989010471A1 Electrically conductive honeycomb body, process for monitoring it and its use as a support for an exhaust gas catalyst
11/02/1989WO1989010470A1 Process for accelerating the response of an exhaust gas catalyst, arrangements and electrically heated supports for inplementing the process
11/02/1989WO1989010182A1 Composition for introduction into a high temperature environment
11/02/1989WO1989010181A1 Method for removing sulphur and nitrogen compounds from gas
11/02/1989WO1989010179A1 Filtering medium for technical filters
11/02/1989EP0339908A1 Composition for use in reducing air contaminants from combustion effluents
11/02/1989EP0339683A2 Process for desulphurisation of a sulphur dioxide-containing gas stream
11/02/1989EP0339640A1 Alumina-titania composition
11/02/1989EP0339526A1 Low-pressure plants operating with volatile toxic compounds
11/02/1989EP0339487A2 Active carbon filter layer for gas masks and gas mask containing said active carbon filter layer
11/02/1989DE3821832C1 Exhaust system for a piston internal combustion engine
11/02/1989DE3813613A1 Process for pyrolysing halogen-containing, toxic hydrocarbon compounds
11/02/1989DE3813517A1 Process and plant for removing volatile organic substances from an exhaust air stream
11/02/1989DE3813312A1 Plate-type catalyst for decreasing the nitrogen oxides in flue gases and process for its production
11/02/1989DE3813230A1 Method for transferring a substance from a first fluid to a second fluid
11/02/1989DE3813038A1 Process for purifying the exhaust air of vulcanising plants
11/01/1989CN2046768U Graphite modified polyacrylic falling-film absorption instrument