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)
03/1996
03/28/1996WO1996009245A1 Process for separating hydrogen halides from gases containing sulphur dioxide
03/28/1996WO1996009109A1 Use of an ozone-converting catalyst material and device for removing ozone from ambient air
03/28/1996WO1996009108A1 Method for wet cleaning gases to remove gaseous pollutants
03/28/1996WO1996009107A1 Hot mix asphalt plant with catalytic reactor
03/28/1996WO1996009106A1 Solid-state oxygen ion conductors and oxygen separation device
03/28/1996WO1996009104A1 Electrically conductive sorption system and method
03/28/1996DE4433709A1 Selective sorption plant to recover and separate mixed solvent vapours
03/28/1996DE19507179C1 Catalyst for oxidn. of gaseous sulphur cpds. esp. hydrogen sulphide
03/28/1996CA2200200A1 Method for wet cleaning gases to remove gaseous pollutants
03/27/1996EP0703412A2 Method for reducing gaseous emission of halogen compounds in a fluidized bed reactor
03/27/1996EP0703289A2 Process and apparatus for removing charging gases, produced during the charging of a coke oven battery with coal
03/27/1996EP0702997A1 Catalysts and method of making same
03/27/1996EP0702996A2 Heat-exchanger flue gas treatment using steam injection
03/27/1996EP0702995A1 Membrane gas separation
03/27/1996EP0702771A1 Exhaust gas cleaning installation
03/27/1996EP0702592A1 Method of removing hcn from mixtures of gases and a catalyst for decomposing hcn
03/27/1996EP0702591A1 Pollution control method and device enabling complete removal of nitrogen oxides from combustion gases in combustion processes
03/27/1996EP0637995B1 Catalysts suitable for removing sulphur compounds from industrial gases and their use
03/27/1996EP0609370B1 Biological filter
03/27/1996EP0542918B1 Liquid distributor for gas-liquid contact apparatus
03/27/1996CN2223461Y Remote-controllable and automatic controllable refrigerating compressed air dryer
03/27/1996CN2223135Y Purifier for fumes and smokes
03/27/1996CN2223134Y Gas-liquid separator
03/27/1996CN1119262A Making of deodorization unit using high temporature catalyst and deodorization apparatus
03/27/1996CN1119141A Method for making hollow object with inner supporting frame
03/27/1996CN1119128A Catalyst for catalytic processing waste gas
03/27/1996CN1119127A Purifying catalyst for gas exhausted from internal combustion engine
03/27/1996CA2151663A1 Hydrogen sulfide removal method and apparatus
03/26/1996US5502533 Filter for photothermographic developer
03/26/1996US5502023 Apparatus for catalytically decontaminating exhaust gases and method for producing the apparatus
03/26/1996US5502021 Highly reactive reagents and compositions for purifying exhaust gases and wastewater, production and use thereof
03/26/1996US5502019 Air purification and catalytic exhaust systems
03/26/1996US5501977 Filtration for air purification and deodorizing
03/26/1996US5501723 Activated carbon filter for venting a fuel tank
03/26/1996US5501722 Natural gas treatment process using PTMSP membrane
03/26/1996US5501718 Mixing adsorbant cellulose, transferring the mixture to a chamber and aeration
03/26/1996US5501714 Pollution control
03/26/1996US5501212 In-line dehumidifying device exposed to the ambient environment
03/26/1996US5501161 Process for the thermal treatment of solids which arise in the purification of flue gases
03/26/1996US5501007 Method of producing sorbing sheets and laminates having reactivating and invigorating functions
03/24/1996CA2158607A1 Oxygen permeable mixed conductor membranes
03/21/1996WO1996008678A1 Rotatably supported regenerative fluid treatment wheel assemblies
03/21/1996WO1996008639A1 Process and device for introducing a fluid into an exhaust gas purification system
03/21/1996WO1996008541A1 Adsorbent/organic matrix composition using saturated olefin polymers
03/21/1996WO1996008304A1 Desiccant cartridge and desiccator
03/21/1996WO1996008303A1 Deodorizing filter
03/21/1996DE4433372A1 Catalysts for removing aromatics and soot from exhaust gases
03/21/1996DE4433246A1 Verfahren zur Herstellung eines reversiblen Adsorbens A method for manufacturing a reversible adsorbent
03/21/1996DE4432675A1 Prodn. of porous, pillar-structure transition metal cpds.
03/21/1996DE4430122A1 Purifying ground air and ground water loaded with organic pollutants
03/21/1996DE4419974A1 Prodn. of titania-based catalysts from titania powder
03/20/1996EP0702195A2 Annular air distributor for regenerative thermal oxidizers
03/20/1996EP0702134A2 An exhaust gas purification device for an engine
03/20/1996EP0701967A1 A method of forming sulphur
03/20/1996EP0701859A1 Catalyst for decomposition of nitrogen oxides and method for purifying diesel engine exhaust gas by the use of the catalyst
03/20/1996EP0701858A1 An exhaust gas purification device for an engine
03/20/1996EP0701857A1 Membrane dehydration of vaporous feeds by countercurrent condensable sweep
03/20/1996EP0701856A1 Organic and inorganic vapor permeation by countercurrent condensable sweep
03/20/1996EP0701855A1 Fluid flow filtering system with filter cleaning devices
03/20/1996EP0701477A1 Adsorption filter
03/20/1996EP0701470A1 Method for producing a gas by adsorption
03/20/1996EP0701469A1 Rotary slide valve
03/20/1996EP0310632B1 Cross-flow filtration device and method of manufacturing said device
03/20/1996CN2222891Y Flue gas purifying energy saver
03/20/1996CN2222560Y Controllable nitrogen-base atmosphere producer
03/20/1996CN1119032A A method of separating sulphur compounds
03/20/1996CN1118997A Separation of solutes in gaseous solvents
03/20/1996CN1118716A Dispersible rare earth-based compound, colloidal suspension obtained from this compound, the procedures for the preparation thereof, and use for the manufacture of catalysts
03/20/1996CN1118712A Multi-step process for reucing no and so
03/20/1996CN1118711A Method of irradiation with electron beams
03/20/1996CN1118710A Catalysts for the treatment of gas containing sulphur compounds, use and process for the treatment of a gas containing sulphur compounds
03/20/1996CN1031322C Catalyst for removing nitrogen oxide and preparing method
03/20/1996CA2158314A1 Method of forming sulphur
03/19/1996US5500198 Composite catalyst for carbon monoxide and hydrocarbon oxidation
03/19/1996US5500197 From flue gas desulfurization, hydrocyclones
03/19/1996US5500196 Method of reagent and oxidation air delivery
03/19/1996US5500195 Method for reducing gaseous emission of halogen compounds in a fluidized bed reactor
03/19/1996US5500194 Hybrid low NOx process for destruction of bound nitrogen compounds
03/19/1996US5500189 Apparatus for crystallization of organic matter
03/19/1996US5500135 Method for effecting gas-liquid contact
03/19/1996US5500130 Method for effecting gas-liquid contact
03/19/1996US5500038 Non-particulating compact adsorbent filter
03/19/1996US5500036 Production of enriched oxygen gas stream utilizing hollow fiber membranes
03/19/1996US5500035 Weak adsorbents, short cycle time, reduced waste
03/19/1996US5499587 Sulfur-sorbent promoter for use in a process for the in-situ production of a sorbent-oxide aerosol used for removing effluents from a gaseous combustion stream
03/19/1996US5499501 Engine exhaust emission control system
03/19/1996CA2080498C Ventilation method and means for the same
03/19/1996CA2016613C Adsorptive process for producing two gas streams from a gas mixture
03/15/1996CA2158236A1 Organic and inorganic vapor permeation by countercurrent condensable sweep
03/15/1996CA2158235A1 Membrane dehydration of vaporous feeds by countercurrent condensable sweep
03/14/1996WO1996007469A1 Method and system for extracting a solute from a fluid using dense gas and a porous membrane
03/14/1996WO1996007468A1 Reactive composition and method for the purification of a nitric oxide containing gas
03/14/1996WO1996007467A1 Method and apparatus for removing organic contaminants
03/14/1996WO1996007466A1 Process for cooling, demonomerizing and dedusting gas from a polymer drier
03/14/1996WO1995035153A3 Mass transfer method and apparatus
03/14/1996DE4432577A1 Assembly for introduction of liq. into selective catalytic redn. assembly
03/14/1996DE4432576A1 Electrically heated assembly delivers fluid to automotive exhaust gases
03/14/1996DE4432482A1 Long-life drier for gas, esp. compressed air with low energy requirement
03/14/1996DE4432316A1 Waste gas denitrification and removal of halogenated dibenzodioxine
03/14/1996DE4432155A1 Prodn of catalytically active substrate