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)
04/1984
04/17/1984US4443354 Supports, impregnation, amines, imides
04/17/1984US4443231 Continuous chromatographic separations in a magnetically stabilized fluidized bed
04/17/1984US4443183 Combustion apparatus
04/17/1984CA1165781A1 Chlorocarbon recovery apparatus
04/17/1984CA1165748A1 Synthetic chemical absorbents
04/17/1984CA1165700A1 Molecular sieve type gas separation systems
04/11/1984EP0105226A2 Control system and method for air fractionation by vacuum swing adsorption
04/11/1984EP0105113A2 Process for lowering the ignition temperature of diesel-oil soot filtered from exhaust gases of diesel engines
04/10/1984US4442083 Method of desulfurizing waste gases containing sulfur dioxide
04/10/1984US4442080 Oxides of sulfur and nitrogen; air pollution control
04/10/1984US4442079 Absorption on alkaline earth compound with sodium sulfite additive
04/10/1984US4442078 Gas flow of nitrogen, steam and air; cycles
04/10/1984US4442077 Method of removing hydrides of phosphorus, arsenic, antimony and bismuth from hydrocarbon and non-hydrocarbon streams
04/10/1984US4442024 Porous alumina support
04/10/1984US4441896 Process for recovering organic substances from spent air vapors
04/10/1984US4441840 Mixing with recrystallized gypsum
04/10/1984CA1165306A1 Exhaust gas purification
04/10/1984CA1165305A1 Cordierite bead catalyst support and method of preparation
04/10/1984CA1165303A1 Impregnated charcoal for removing radioactive molecules from gases
04/10/1984CA1165252A1 Adsorption process
04/10/1984CA1165247A1 Exhaust gas purification
04/10/1984CA1165099A1 Removal of nitrogen oxides from gas
04/10/1984CA1165098A1 Process of selective separation of hydrogen sulfide from gaseous mixtures containing also carbon dioxide
04/10/1984CA1165097A1 Low sulfur content, fly ash free hot reducing gas production using calcium oxide desulfurization
04/04/1984EP0104420A1 Aerating or venting device for closed containers or housings
04/04/1984EP0104335A2 Process for the purification of exhaust gases
04/03/1984US4440874 Oxidation and hydrogenation catalysts for automobile exhaust systems
04/03/1984US4440731 Alkanolamine absorbent, dihydroxyethylglycine
04/03/1984US4440643 Imidation of a polyamic acid coating
04/03/1984US4440551 Method for the adsorptive removal of hydrogen sulfide from gas mixtures
04/03/1984US4440549 Method for reducing peak vapor emissions in solvent recovery systems
04/03/1984US4440548 Pressure swing absorption system
04/03/1984US4440100 Method of introducing additive into a reaction gas flow
04/03/1984CA1164785A1 Low velocity trim removal means and method
04/03/1984CA1164630A1 Dry bed scavenging hydrogen sulfide from gas
03/1984
03/28/1984EP0104036A2 Single stage liquid motor and pump
03/28/1984EP0103953A1 Separatory module comprising hollow fibre membranes
03/28/1984EP0103881A2 Process and plant for the separation of gaseous pollutants from flue gases with dust additives
03/28/1984EP0058189B1 Process and device for drying humid substances
03/27/1984US4439217 Permselective element for gas separation
03/27/1984US4439214 Adsorption device for the dry purification of gases
03/27/1984US4439213 Pressure swing adsorber system
03/27/1984CA1164358A1 Process for extracting iodine
03/27/1984CA1164356A1 Reverse osmosis unit-degasifier system
03/27/1984CA1164187A1 Method of purifying reaction products
03/21/1984EP0103070A2 Process and device for separating gases by adsorbents
03/20/1984US4438082 Reducing nitrogen oxides, decomposing ammonia
03/20/1984US4438075 Process and apparatus for the production and maintenance of a fluidized layer in heterogeneous systems
03/20/1984US4437926 Intergranular corrosion with hydrochloric, nitric and oxalic acids, platinum alloys
03/20/1984US4437866 Pollution harness
03/20/1984US4437417 Treatment of ferrous salt and base, precipitation of iron cyanide, and separation
03/20/1984CA1163982A1 Material for adsorbing iodine and method for preparing thereof
03/20/1984CA1163779A1 Control of hydrogen sulfide emission from geothermal steam plants with hydrogen peroxide and sodium vanadate
03/20/1984CA1163778A1 Removal of hydrogen sulphide and carbonyl sulphide from gaseous mixtures
03/15/1984WO1984000952A1 Process for eliminating hydrogen sulphide contained in a gas mixture
03/15/1984WO1984000951A1 Process for eliminating hydrogen sulphide contained in a gas mixture
03/15/1984WO1984000903A1 Process to eliminate air pollutants which result from the combustion of fuels containing sulphur
03/14/1984EP0102894A1 Process for eliminating hydrogen sulfide contained in a gaseous mixture
03/14/1984EP0102770A2 Exhaust gas treatment method and apparatus
03/14/1984EP0102712A1 A process for preventing corrosion in alkaline systems
03/14/1984EP0102473A2 Device and process for the dry purification of flue gas
03/13/1984US4436714 Method of removing hydrogen sulfide from gases utilizing a polyvalent metal chelate of nitrilotriacetic acid and electrolytically regenerating the solution
03/13/1984US4436713 Method of removing hydrogen sulfide from gases utilizing a polyvalent metal chelate of nitrilotriacetic acid and regenerating the solution in a fuel cell
03/13/1984US4436712 Method of removing hydrogen sulfide from gases utilizing a polyvalent metal chelate of nitrilotriacetic acid and electrolytically regenerating the solution
03/13/1984US4436711 Method of removing hydrogen sulfide from gases utilizing a polyvalent metal chelate solution and regenerating the solution in a fuel cell
03/13/1984US4436707 Method for the removal of acidic gases such as carbon dioxide from gaseous mixtures
03/13/1984US4436701 Adsorption reactor and method for removing SO2 from waste gases
03/13/1984US4436534 Circulation, propulsion
03/13/1984US4436533 Multistage, continuous, separation of normal from non-normal hydrocarbons
03/13/1984CA1163615A1 Catalyst for purifying exhaust gases and method for manufacturing same
03/13/1984CA1163613A1 Method of folding a laminar article
03/13/1984CA1163423A1 Method for removal of sulfur compounds from a gas stream
03/07/1984EP0102300A1 Process for eliminating hydrogen sulfide contained in a gaseous mixture
03/07/1984EP0102131A1 A process for conditioning a gas stream charged with solid particles and/or vapours
03/07/1984EP0101821A1 An improvement in the process for removing SO2 and NOx from gases
03/07/1984EP0101780A1 Method for the purification of gases containing SO2
03/06/1984US4435371 Sulfur removal from a gas stream
03/06/1984US4435260 Method and apparatus for desulfurization and denitrification of waste gas by multi-stage electron beam irradiation
03/06/1984US4435192 Monitoring concentration of h2s in absorption medium and controlling flow rate
03/06/1984US4435191 Process for separating aggressive gases from gas mixtures
02/1984
02/28/1984US4434148 Dissolving cyanogen chloride in water
02/28/1984US4434147 Simultaneous sulfur oxide and nitrogen oxide control in FCC units using cracking catalyst fines with ammonia injection
02/28/1984US4434146 Scrubbing of hydrogen sulphide using pH control to control thiosulfate formation
02/28/1984US4434145 Simultaneous scrubbing and oxidation of hydrogen sulfide using excess vanadate
02/28/1984US4434144 Absorption of CO2 and/or H2 S utilizing solutions containing two different activators
02/28/1984US4434143 Carbonate ion control to prevent losses of vanadium in oxidation of hydrogen sulfide
02/28/1984US4434051 Multiple valve apparatus for simulated moving bed adsorption processes
02/28/1984US4434044 Method for recovering sulfur oxides from CO-rich flue gas
02/28/1984US4434004 Method for recovery and recycling of heat from hot gases in metallurigical processing
02/28/1984US4433983 Calcium chloride dehydration nozzle
02/28/1984US4433553 Using methyl cellulose desiccant
02/28/1984CA1162904A1 Removal of gaseous formaldehyde with solid organic nitrogen compounds
02/28/1984CA1162719A1 Process for the removal of acid gases from a gas mixture mainly consisting of methane
02/28/1984CA1162718A1 Process for treating industrial gas stream
02/22/1984EP0101304A2 High efficiency continuous separation process
02/22/1984EP0101088A2 Process and apparatus for purifying pyrolysis gases
02/22/1984EP0100923A1 Process and apparatus for separating a gas mixture
02/22/1984EP0100907A1 Air-cleaning apparatus
02/22/1984EP0100812A2 Process for reheating and transporting a granular heat carrier, and apparatus for carrying it out
02/21/1984US4433064 Method for imparting resistance to axial displacement of convolutions in a convoluted catalyst substrate