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)
02/1984
02/21/1984US4432962 Using regenerable washing solution containing vanadium, thiocyanate compound, complexing agent, water soluble quinone and nonquinone compound
02/21/1984US4432958 Method for the selective removal and recovery of ammonia from ammonia- and hydrogen sulfide-containing gas mixtures
02/21/1984US4432914 Gas-liquid contact
02/21/1984US4432779 System of gas dehydration using liquid desiccants
02/21/1984US4432776 Shielding individual filter packets from crude gas stream during cleaning, then coating with chemisorption material
02/21/1984US4432774 Pressurization-depressurization cycles
02/21/1984US4432160 Microrganism inhibition of frost damage to plants
02/21/1984CA1162531A1 Device for heat and material transfer by means of hollow fibres
02/21/1984CA1162525A1 Application of granulated or pulverised calcium silicate
02/21/1984CA1162384A1 Hydrogen recovery process
02/15/1984EP0100764A1 Process for removal of carbon oxides from gas mixtures
02/15/1984EP0100512A2 Reaction mass, method for the manufacture thereof and use thereof
02/15/1984EP0036411B1 Sulfur oxide removal from gas
02/14/1984US4431618 Ph measurement
02/14/1984US4431617 Methods for removing malodorous sulfur compounds from pulp mill flue gases and the like by using green liquor
02/14/1984US4431616 Method of removing hydrogen sulfide from gases
02/14/1984US4431608 Gas purification system
02/14/1984US4431563 Inhibitors for acid gas conditioning solutions
02/14/1984US4431433 Single stage liquid motor and pump
02/14/1984US4431432 Efficiency; synchronization of adsorption, desorption, pressurization and depressurization
02/14/1984US4430951 Process for cleaning of flue gases of a power plant with the aid of a coal dust burning flame and apparatus for carrying out the process
02/14/1984CA1162033A1 Process for removing sulfur dioxide from combustion exhaust gas
02/14/1984CA1162032A1 Method and apparatus for purification of gases
02/14/1984CA1162031A1 Method of purifying a gas containing sulphur dioxide components therein
02/08/1984EP0100267A1 Process for the production of catalysts for the treatment of exhaust gases of internal-combustion engines
02/08/1984EP0100107A2 Adsorbent fractionator with automatic cycle control and process
02/08/1984EP0100024A1 Process for the biological cleaning of exhaust air
02/07/1984US4430317 Conversion of sulfur compounds to sulfur and water
02/07/1984US4430316 Carbon dioxide, distillation, multistage, regeneration, conduits
02/07/1984US4430312 Removal of CO2 from gas mixtures
02/07/1984US4430306 Adsorbers, silica gel, activated alumina, zeolites
02/07/1984US4430303 Removal of undesirable gaseous components from a hot waste gas
02/07/1984US4430219 Hollow fiber package body and its production
02/07/1984US4430218 Separating device for fluids, consisting of support plates and cut sections of a semi-permeable diaphragm
02/07/1984US4430097 Lithium aluminates for separating hydrocarbons
02/07/1984US4429736 Concentration in time of a gas component entrained in a carrier gas
02/07/1984EP0091948A4 Flowing melt layer process for production of sulfides.
02/02/1984WO1984000354A1 Process for recovering chlorinated salts from waste solutions
02/01/1984EP0099868A1 Membrane gas separation processes
02/01/1984EP0099656A2 Mass transfer contact apparatus
02/01/1984EP0099591A2 Adsorbent fractionator with automatic cycle control and process
02/01/1984EP0099590A2 Adsorbent fractionator with automatic cycle control and process
02/01/1984EP0099589A2 Adsorbent fractionator with automatic cycle control and process
01/1984
01/31/1984US4428921 Sulfur dioxide; computerized
01/31/1984US4428912 From chlorination of aluminum in clay or bauxite
01/31/1984US4428776 Cellulosic semipermeable membranes containing silicon compounds
01/31/1984US4428372 Process and apparatus for providing breathing gas
01/31/1984CA1161357A1 Apparatus for regenerating absorbent and method of operating the apparatus
01/25/1984EP0099320A2 Method and apparatus for desalinating water
01/25/1984EP0099211A2 Process for nitrogen enrichment
01/24/1984US4427721 Cracker tubes, refractory oxide
01/24/1984US4427642 Adsorption on a semicoke prepared from a portion of the fuel coal
01/24/1984US4427630 Gas deodorization method
01/24/1984US4427605 Tray device for collecting and distributing liquid for a counter-current column
01/24/1984US4427576 Catalyst for oxidation of hydrogen sulfide and/or organosulfur compounds to SO2 and process for preparing the catalyst
01/24/1984US4427536 Promoter for the oxidation of SO2 in an FCC process
01/24/1984US4427420 Pumping method and apparatus
01/24/1984US4427419 Semipermeable membranes prepared from polymers containing pendent sulfone groups
01/24/1984CA1160963A1 Device for the diffusion of substances between two fluids via semipermeable membranes
01/24/1984CA1160949A1 Vapor-liquid contact grid apparatus and method of fabricating same
01/24/1984CA1160947A1 Wash system for gas separation
01/18/1984EP0098823A1 Membrane gas separation processes
01/18/1984EP0098731A1 Method for producing oxygen and nitrogen and membrane therefor
01/18/1984EP0098444A2 Process for eliminating hydrogen sulphide from gases with simultaneous regeneration of the gas purification mass
01/17/1984US4426369 Low temperature Claus process with water removal
01/17/1984US4426365 Method for removing nitrogen oxides from gas streams and regenerating spent sorbent
01/17/1984US4426364 Removal and recovery of nitrogen oxides and sulfur dioxide from gaseous mixtures containing them
01/17/1984US4426320 Ceramic foam filters
01/17/1984US4426319 Catalyst for treatment of exhaust gases from internal combustion engines
01/17/1984US4426292 Process for selective separation of molecular species from mixtures thereof using cyclodextrins
01/17/1984US4426210 Process for eliminating odor-emitting substances from waste air
01/17/1984CA1160795A1 Terpolymerization of ethylene, sulfur dioxide and carbon monoxide
01/17/1984CA1160564A1 Waste gas purification method and system
01/11/1984EP0098157A1 Absorption process for producing oxygen and nitrogen and solutions therefor
01/10/1984US4425317 Recycle of hydrogenated sulfur plant tail gas to sour gas scrubbing system
01/10/1984US4425313 Potassium carbonate and bicarbonajte
01/10/1984US4425312 Removal of sulfur from process streams
01/10/1984US4425305 Catalytic creosote burner for a wood stove
01/10/1984US4425285 Packing material unit
01/10/1984US4425143 Thermoconductive and heat resistant
01/10/1984US4425142 Hermetic sealing, freezing
01/10/1984US4424680 Inexpensive method of recovering condensable vapors with a liquified inert gas
01/10/1984CA1160242A1 Process for the isothermal absorption of ethylene oxide using film absorbers
01/10/1984CA1160161A1 Catalytic filter for purifying diesel exhaust gas
01/10/1984CA1160059A1 Method and installation for scrubbing the flues for recovering the salts in a process for the production of secondary aluminum
01/04/1984EP0097631A2 A method and a device for burning fluid fuel
01/04/1984EP0097560A1 Apparatus for absorbing a gas such as NH3, SO2 or water vapour by a liquid such as water
01/04/1984EP0097424A2 Cellulosic semipermeable membranes
01/04/1984EP0097303A1 Removal of hydrogen sulfide from fluid streams with minimum production of solids
01/04/1984EP0097240A2 Process for removal of sulfur oxides from hot gases
01/03/1984US4424197 Calcium oxide
01/03/1984US4424144 Preparation of binderless 3A adsorbents
01/03/1984US4424067 Removal of arsenic trifluoride by diffusion through a nonporous poolymer film
01/03/1984CA1159772A1 Air fractionation by pressure swing adsorption
12/1983
12/28/1983EP0096907A1 Process for regenerating absorbant solutions for gases containing sulphur
12/28/1983EP0096762A1 Saddle packing element for a gas-liquid contact
12/27/1983US4423019 Absorbent is mixture of aluminosilicate zeolite, and aluminum or magnesium oxide in association with rare earth metal or oxide
12/27/1983US4423018 Buffered flue gas scrubbing system using adipic acid by-product stream
12/27/1983US4423017 Process for reducing NO emissions
12/27/1983US4423016 Process for the production of dry flue gas gypsum