| 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) |
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| 07/05/1989 | CN1033572A Modular, shell-less, air permeator |
| 07/04/1989 | US4845065 Carbon monoxide oxidizing catalyst |
| 07/04/1989 | US4844915 Method for ESP brown plume control |
| 07/04/1989 | US4844881 Process for the production of sulfur from hydrogen sulfide using high concentration oxygen and recycle in combination with a scrubbing tower |
| 07/04/1989 | US4844878 Process for the reduction of nitrogen oxides in an effluent |
| 07/04/1989 | US4844877 Halonitroalkanol as scavenger |
| 07/04/1989 | US4844876 Solvent extraction, countercurrent flow, regeneration |
| 07/04/1989 | US4844874 Method and means for controlling mist scrubber operation |
| 07/04/1989 | US4844721 Air scrubbing process |
| 07/04/1989 | US4844719 Vinyl ether sulfonic acid fluorocopolymer |
| 07/04/1989 | US4844715 Multistep selective absorption and desorption |
| 07/04/1989 | US4844059 Method and apparatus for enriching respiratory gas with oxygen and delivering it to a patient |
| 07/04/1989 | US4843980 Composition for use in reducing air contaminants from combustion effluents |
| 07/04/1989 | US4843979 Incineration system for the destruction of hazardous wastes |
| 07/04/1989 | US4843815 Catalytic conversion device |
| 07/04/1989 | CA1256850A1 Monolithic catalyst supports incorporating a mixture of alumina and silica as a high surface area catalyst support material |
| 06/29/1989 | WO1989005858A1 Cucumber mosaic virus coat protein gene |
| 06/29/1989 | WO1989005777A1 Process for preparing an aqueous solution containing potassium bicarbonate and potassium carbonate suitable for washing acid gases |
| 06/29/1989 | WO1989005774A1 Ammonia scrubbing |
| 06/29/1989 | WO1989005691A1 Hydrophobic carbon molecular sieves |
| 06/29/1989 | WO1989005687A1 Scrubber |
| 06/29/1989 | DE3842093A1 Semipermeable membran aus polybenzoxazol zur trennung von gasen Semipermeable membrane for separating gases from polybenzoxazole |
| 06/29/1989 | DE3743008A1 Plant for isolating very pure nitrogen |
| 06/29/1989 | DE3742449A1 Effluent-free wet scrubbing to bind amines and ammonia from the exhaust air downstream of cold- and hot-box foundries |
| 06/28/1989 | EP0322291A1 Process for treating gaseous effluents |
| 06/28/1989 | EP0322171A2 Material for use in the preservation of perishable goods |
| 06/28/1989 | EP0321949A1 Catalyst support material containing lanthanides |
| 06/28/1989 | EP0321761A1 Catalyst for cleaning exhaust gas from combustion engines |
| 06/28/1989 | EP0321638A2 Polyimide gas separation membranes |
| 06/28/1989 | EP0321637A2 Modular, shell-less, air permeator |
| 06/28/1989 | CN2039995U Electrochemical air separator |
| 06/28/1989 | CN1033508A Dry method and apparatus for cleaning smoke containing combined harmful components |
| 06/27/1989 | US4843102 Removal of mercury from gases |
| 06/27/1989 | US4843056 Rare earth oxide, rhodium, platinum or palladium on alumina |
| 06/27/1989 | US4842954 Metal catalyst carrier body, blank for producing the body |
| 06/27/1989 | US4842843 Claus plant tail gas; zinc oxide |
| 06/27/1989 | US4842842 Process for producing α-form gypsum hemihydrate |
| 06/27/1989 | US4842835 Heat exchanging; condensing, scrubbing, and filtering to remove hf, hcl, so3 and other contaminants |
| 06/27/1989 | US4842834 Process for reducing the concentration of pollutants in an effluent |
| 06/27/1989 | US4842621 Supercharging step in which a stream rich in condensable gas is passed through absorber bed |
| 06/27/1989 | US4842620 Process of gas enrichment with porous siliceous-containing material |
| 06/27/1989 | CA1256388A1 Process for recovering organic vapors from air |
| 06/27/1989 | CA1256270A1 Production of membrane-derived nitrogen from combustion gases |
| 06/22/1989 | DE3742051C1 Method for monitoring flue gas desulphurisation plants |
| 06/22/1989 | DE3741705A1 Combustion chamber for atmospheric stationary fluidised-bed firing |
| 06/21/1989 | EP0321452A1 Method of recovering heat energy from an exhaust gas |
| 06/21/1989 | EP0321379A2 Convoluted plate with vortex generator |
| 06/21/1989 | EP0320979A2 A process for steam reforming of hydrocarbons |
| 06/21/1989 | EP0320682A2 Process for the production of titanium dioxide |
| 06/21/1989 | EP0177527B1 Two- or multi-component reactor |
| 06/21/1989 | CN2039589U Portable purification device for waste gas |
| 06/21/1989 | CN1033445A Dust remover capable of eliminating smoke and desulphation |
| 06/20/1989 | US4840827 Ceramic honeycomb structural bodies and method of producing the same |
| 06/20/1989 | US4840819 Controlled amount of liquid in support layer |
| 06/20/1989 | US4840782 Gas treating process and composition |
| 06/20/1989 | US4840777 Process for inhibiting mono and diethanolamine degradation |
| 06/20/1989 | US4840651 Gas/solids contacting device |
| 06/20/1989 | US4840648 Process for regenerating absorbents containing CO2 and COS |
| 06/20/1989 | US4840647 High pressure, low pressure cycles |
| 06/20/1989 | US4840646 Separation of oxygen from nitrogen in gas mixtures |
| 06/20/1989 | US4840636 Modifying the surface of the interior pore walls of objects such as membranes with gas activated by partial brush discharge |
| 06/20/1989 | CA1256086A1 Binary ion exchanged type x zeolite adsorbent |
| 06/20/1989 | CA1256038A1 Method and apparatus for gas separation and synthesis |
| 06/20/1989 | CA1256037A1 Serial flow continuous separation process |
| 06/15/1989 | WO1989005422A1 Reactor for reducing the contents of nitrogen oxides and sulphur oxides in combustion gases |
| 06/15/1989 | WO1989005187A1 Catalyst and process for producing it |
| 06/15/1989 | WO1989005186A1 Catalyst and process for producing it |
| 06/15/1989 | DE3741328A1 Process for manufacturing an enamelled wire, and appliance for carrying out the process |
| 06/15/1989 | DE3740675A1 Method for optimised injection of ammonia into selectively catalytic reactors |
| 06/15/1989 | DE3740091A1 Filtermaterial Filter material |
| 06/15/1989 | DE3733208A1 Process and apparatus for dry toxic gas separation, such as SO3, SO2, HCl, HF and NOx, by means of an alkaline porous support material |
| 06/14/1989 | EP0320243A1 Catalysts |
| 06/14/1989 | EP0320140A1 Solidification and vapor mitigation of aldehyde spills |
| 06/14/1989 | EP0319945A1 Absorption of hydrogen sulfide |
| 06/14/1989 | EP0319558A1 Vapor-liquid contact device and method |
| 06/14/1989 | EP0211016B1 Apparatus for the treatment of flue gases |
| 06/13/1989 | US4839330 Isotope exchange in oxide-containing catalyst |
| 06/13/1989 | US4839327 Method for the production of ultra-fine gold particles immobilized on a metal oxide |
| 06/13/1989 | US4839148 Method of removing SOx and NOx from effluent gas |
| 06/13/1989 | US4839147 Reacting with sodium bicarbonate, ammonium carbonate, sodium, ammonium or calcium hydroxides; filtration |
| 06/13/1989 | US4839146 Catalyst for simultaneous NO decomposition and CO oxidation under cycled operating conditions |
| 06/13/1989 | US4839108 Liquid distribution device and pan |
| 06/13/1989 | US4839026 Desulfurization using fluidized catalyst of rare earth oxides supported on gamma alumina microspheres |
| 06/13/1989 | US4838912 Method and apparatus for the purification and recirculation of gases |
| 06/13/1989 | US4838904 Polymer matrix with porous overcoatings |
| 06/13/1989 | US4838901 High strength plastic casing and cover; snap together; aircraft use |
| 06/13/1989 | US4838900 Permselectivity |
| 06/13/1989 | CA1255647A1 Heat-resistant, highly expansible sheet material for supporting catalyst carrier and process for the preparation thereof |
| 06/13/1989 | CA1255646A1 Cracking catalyst/sulfur oxide gettering agent compositions |
| 06/13/1989 | CA1255583A1 Gas-liquid contact apparatus and method of making it |
| 06/13/1989 | CA1255476A1 Process and a device for purifying air that contains toxic matter |
| 06/13/1989 | CA1255475A1 Reduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solvents |
| 06/13/1989 | CA1255474A1 Process for the systematic treatment of exhaust gases |
| 06/08/1989 | DE3739930A1 Dry flue gas cleaning system |
| 06/08/1989 | DE3739929A1 Oil-sulphur cooling boiler OCB |
| 06/08/1989 | DE3731895A1 Device for purifying exhaust gases and utilising the residual heat from exhaust gases |
| 06/07/1989 | EP0319468A2 Method and installation for the purification of exhaust air from a tenter or a singing machine |
| 06/07/1989 | EP0319457A1 Catalysts for the removal of nitrogen oxides |
| 06/07/1989 | EP0319385A1 Device and process for trapping gaseous compounds of refractory metals and pumping plant containing the device |
| 06/07/1989 | EP0319299A2 Catalytic converter, particulate filter for exhaust systems |