Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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
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)
10/1989
10/04/1989EP0335073A1 Process for preparing a catalyst for reducing nitrogen oxides and catalyst manufactured by said process
10/04/1989EP0335034A1 An integrated process for the removal of sulfur compounds from fluid streams
10/04/1989EP0334903A1 Method of reducing the oxides of nitrogen in fossil fuels combustion and combustion products effluents
10/04/1989EP0236343B1 Process and installation for cleaning exhaust gases from furnace installations
10/04/1989CN2045326U Purifier for cigarette smoke
10/04/1989CN1035993A Process for recovering oxygen enriched gas
10/04/1989CN1035959A Method for scrubbing pollutants from exhaust gas stream
10/04/1989CN1035958A Purification of tail gas contg. hcn and preparation of decyaniding agent
10/04/1989CN1035957A Gas drying apparatus
10/03/1989US4871710 Oxides, hydroxides, carbonates, and/or basic carbonates of copper, zinc, and/or aluminum
10/03/1989US4871709 Ozone cracking catalyst
10/03/1989US4871607 Alumina-silica gel on corrugated sheets
10/03/1989US4871522 Preheating air
10/03/1989US4871521 Sulfur recovery process using metal oxide absorbent with improved purge
10/03/1989US4871520 Desulfurization using ammonium ferr(-ous and -ic) nitrotriacetic acid chelate, ammonia, and thiosulfate
10/03/1989US4871515 Electrostatic filter
10/03/1989US4871494 Dissolving hydrophobic polymers using lewis acid and lewis base solvent system
10/03/1989US4871468 Method and composition for the removal of hydrogen sulfide and carbon dioxide from gaseous streams
10/03/1989US4871379 Modular, shell-less, air permeator
10/03/1989US4870960 Backup breathing gas supply for an oxygen concentrator system
10/03/1989CA1262123A1 High temperature catalyst compositions for internal combustion engine
09/1989
09/28/1989DE3834679C1 Process for the desulphurisation of flue gases of power station boiler furnaces
09/28/1989DE3808586A1 Process and plant for decreasing the pollutant content in the exhaust gas of an exhaust gas source
09/27/1989EP0334828A2 Combustion apparatus
09/27/1989EP0334495A2 Process for recovering oxygen enriched gas
09/27/1989EP0334114A2 Membrane process for hydrocarbon liquid recovery
09/27/1989EP0334066A1 Cartridge for a catalyst used in treating exhaust gas from an internal-combustion engine
09/27/1989EP0333836A1 Process for nitrogen oxides reduction and minimization of the production of other pollutants
09/27/1989EP0333833A1 Process for the reduction of nitrogen oxides in an effluent
09/27/1989EP0214126B1 Purification plant and process for removing pollution from hot gases
09/27/1989CN2045081U Household air cleaner
09/27/1989CN2044896U Microsize smoke-limiting self-purifying apparatus
09/27/1989CN1035807A Method and apparatus for oxygen extraction
09/27/1989CN1035780A Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones
09/26/1989US4870046 Catalytic exhaust systems
09/26/1989US4870045 High-temperature resistant molded catalysts and process for their production
09/26/1989US4869885 Use of oil-soluble surfactants in flue gas desulfurization systems
09/26/1989US4869884 Process for recovering acidic gases
09/26/1989US4869883 Inert gas purifier for bulk nitrogen without the use of hydrogen or other reducing gases
09/26/1989US4869851 Vapor/liquid contact device and method of mixing a vapor flow and a counter current reflux liquid flow
09/26/1989US4869846 Dispersant stearic acid to help release alkalinity
09/26/1989US4869824 Bubble plate system for biological purification of air and waste water
09/26/1989US4869739 A chamber filled with activated carbons particle containing heat-accumulating solid fillers having a higher specific heat; automobiles
09/26/1989US4869738 Continuous trapping of carbon particles from an exhaust gas and regeneration of a rotating convoluted corrugated sheet metal strip
09/26/1989US4869735 Prevention of poisoning of dentration catalyst
09/26/1989US4869734 Adsorption of solvents on carbon
09/26/1989US4869733 Super-enriched oxygen generator
09/26/1989US4869182 Magnesium carbonate or calcium carbonate
09/26/1989CA1290552E Selective removal of hydorgen sulfide over zinc titanate and alumina
09/26/1989CA1261813A1 Adsorbent for use in selective gas adsorption- separation and a process for producing the same
09/26/1989CA1261812A1 Process for concentrating waste products arising during the manufacture of carbon electrodes, and an appropriate absorbent for this purpose
09/26/1989CA1261766A1 Precoalescer unit
09/26/1989CA1261591A1 Process for the removal of nitrogen oxides and sulphur oxides from flue gases
09/26/1989CA1261564A1 Composite dense membrane and fluid(s) separation process carried out therewith
09/26/1989CA1261314A1 Sorbent and processes for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
09/26/1989CA1261249A1 Distributor for liquid-gas contact column and method of preparation and use
09/26/1989CA1261120A1 Method for cleansing a contaminated medium in a contact reactor, by introducing into the reactor a pulverulent absorption material which reacts with the contaminating substances, and an arrangement for carrying out the method
09/26/1989CA1261119A1 Sodium-limestone double alkali flue gas desulfurization process with improved limestone utilization
09/26/1989CA1261118A1 High pressure process for sulfur recovery from a hydrogen sulfide containing gas stream
09/26/1989CA1260909A1 Exhaust gas cleaning catalyst and process for production thereof
09/26/1989CA1260823A1 Method of and means for controlling the condition of air in an enclosure
09/26/1989CA1260406A1 Dust pre-removal method in a dry moving bed type adsorption tower
09/26/1989CA1260320A1 Turbulent incineration of combustible materials supplied in low pressure laminar flow
09/26/1989CA1259887A1 Process for cleaning vessels containing sulfur dichloride
09/26/1989CA1259776A1 Selective removal of hydrogen sulfide over zinc titanate and alumina
09/21/1989WO1989008606A1 No reduction using sublimation of cyanuric acid
09/21/1989WO1989008498A1 Economic recovery and utilization of boiler flue gas pollutants
09/21/1989WO1989008493A1 Method for cleaning flue gases
09/21/1989WO1989008492A1 Method for eliminating volatile impurities in gas
09/21/1989DE3900393A1 Process for removing carbonyl sulphide from gases
09/21/1989DE3817084C1 Odour-binding filter in the feed air stream of a motor vehicle interior
09/21/1989DE3816532C1 Process for purifying flue gas
09/21/1989DE3808369A1 Device for protecting catalyst walls
09/21/1989DE3743248C1 Process for preparing a catalyst for flue gas purification
09/20/1989EP0333559A1 Catalyst support and catalyst for engine flue gas treatment, and process for their production
09/20/1989EP0332964A2 Process for removal of iodine and iodine compounds from gases and Vapours with silver containing zeolite X
09/20/1989EP0332789A1 Filter membrane and process for its preparation
09/20/1989EP0332724A1 Gas drying method
09/20/1989EP0256010B1 Use of an active coke for removal of nitrogen oxide from exhaust gases
09/20/1989CN1035715A Dedusting and desulphurizing technique and equipment of boiler smoke
09/20/1989CN1035626A Centrifugal vortex tube gas segregator
09/20/1989CN1035625A Process for separation of organism from mixture of air/permanent gas
09/20/1989CN1035624A Integrated process for removal of sulfur compounds from fluid streams
09/19/1989US4868150 Catalyst support material containing lanthanides
09/19/1989US4868149 Pollution control
09/19/1989US4868148 Desulfurization for exhaust gases
09/19/1989US4867961 Absorption by magnesium oxide slurry, reaction with sulfuric acid
09/19/1989US4867955 Absorption of sulfur by metal oxide particles
09/19/1989US4867954 Zeolite or molecular sieve catalyst
09/19/1989US4867953 Method for the selective elimination of nitrogen oxides from exhaust gases
09/19/1989US4867949 Heat recuperative combustion device
09/19/1989US4867770 Filter cartridge
09/19/1989US4867766 Oxygen enriched air system
09/19/1989EP0310632A4 Cross-flow filtration device and method of making.
09/19/1989EP0305512A4 Waste-gas treatment process.
09/19/1989CA1259572A1 Potable water from internal combustion engines
09/14/1989DE3807111A1 Apparatus and process for separating off and recovering solvents
09/14/1989DE3806934A1 Foam-gas generator
09/14/1989DE3806862A1 Process for the adsorption or chemisorption of gaseous constituents from a gas stream
09/13/1989EP0332526A1 Process for removing mercury and, optionally, arsenic from hydrocarbons
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