| 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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| 06/05/1979 | CA1055845A1 Catalytic type exhaust gas purifying device |
| 05/30/1979 | EP0002171A1 Process for increasing the purity of gaseous recycle hydrogen |
| 05/29/1979 | US4156712 Gas-liquid contacting method |
| 05/29/1979 | US4156705 Inclined screen tray tower |
| 05/29/1979 | US4156598 Purification of nitrogen trifluoride atmospheres |
| 05/29/1979 | US4156457 Heat exchanger system |
| 05/29/1979 | CA1055405A Method for prolonging the breakthrough of volatile substances through adsorbent-containing air purifying devices |
| 05/29/1979 | CA1055253A1 Method for removal of dust deposited on contact apparatus interior |
| 05/22/1979 | US4155987 Claus tail gas recovery |
| 05/22/1979 | US4155986 Dual catalyst nitric oxide reduction |
| 05/22/1979 | US4155985 Process of purifying gases |
| 05/22/1979 | US4155977 Pollution control system |
| 05/22/1979 | US4155849 Adsorber-regenerator |
| 05/22/1979 | CA1055007A1 Method of catalyst manufacture |
| 05/22/1979 | CA1054949A1 Fluid fractioning apparatus |
| 05/17/1979 | WO1979000251A1 Adsorbent regeneration and gas separation utilizing dielectric heating |
| 05/17/1979 | WO1979000248A1 Production of dispersions |
| 05/17/1979 | WO1979000247A1 Coating of substrates |
| 05/15/1979 | US4154804 Removal of hydrogen fluoride from hydrogen chloride gas |
| 05/15/1979 | US4154803 Method of decreasing the content of nitrogen oxides in combustion exhaust gas |
| 05/15/1979 | US4154705 Catalytic structure |
| 05/15/1979 | US4154673 Ion exchanging dithionic acid anions |
| 05/15/1979 | US4154584 Method for cooling gases containing naphthalene, tar and solids |
| 05/15/1979 | CA1054468A1 Method and device avoiding the pollution of the atmosphere by noxious gases |
| 05/08/1979 | US4153674 Sulfur recovery from gases rich in H2 S and CO2 as well as COS or organic sulfur |
| 05/08/1979 | US4153579 Platinum, rhodium, and palladium catalyst for automotive emission control |
| 05/08/1979 | US4153471 Process for treating exhaust gaseous mixtures from directly exposing asphalt-aggregate compositions to hot gases |
| 05/08/1979 | US4153435 Ammonia absorber |
| 05/08/1979 | US4153434 Emergency standby air drying back-up system |
| 05/08/1979 | US4153430 Process and apparatuses for contacting a gas phase and a liquid phase |
| 05/08/1979 | US4153429 Silica gel, zeolite |
| 05/08/1979 | CA1054129A1 Ruthenium containing catalyst product |
| 05/08/1979 | CA1054074A1 Apparatus for regenerating a drying agent in driers for gases or air under positive pressure |
| 05/08/1979 | CA1053903A1 Process for purifying gases produced by gasification of solid or liquid fossile fuels, by treatment with water vapor and oxygen under superatmospheric pressure |
| 05/08/1979 | CA1053878A1 Process for removing contaminants from hot waste gas streams |
| 05/02/1979 | EP0001589A1 Process for recovering phosphane and methyl phosphane |
| 05/01/1979 | US4152405 Co-current absorber for recovering inorganic compounds from plant effluents |
| 05/01/1979 | US4152404 Hydroxyaluminum silicate complexes |
| 05/01/1979 | US4152400 Method for treating sulfur dioxide with sorbent |
| 05/01/1979 | US4152399 Pressure release safety device |
| 05/01/1979 | US4152394 Removal of sulfur dioxide |
| 05/01/1979 | US4152302 Support matrix for a catalytic reactor for scrubbing exhaust gases in internal combustion engines |
| 05/01/1979 | US4152301 Catalyst for automotive emission control and method for making same |
| 05/01/1979 | US4152299 Perovskite protective coating, oxidation resistance, lanthanum, nickel, ruthenium |
| 05/01/1979 | US4152298 Alumina particles |
| 05/01/1979 | US4152296 Process for preparing catalysts for removal of nitrogen oxides |
| 05/01/1979 | US4152218 Desulfurization of waste gases |
| 05/01/1979 | US4152217 Heat exchanging, acid gas absorption |
| 05/01/1979 | CA1053587B Process and apparatus for the separation of gas mixtures into component fractions according to their molecular or atomic weight |
| 04/24/1979 | US4151265 Method and apparatus for removing nitrogen oxides from a gas stream |
| 04/24/1979 | US4151263 Removal of sulfur oxides from gases by scrubbing with ammoniacal solutions |
| 04/24/1979 | US4151260 Hydrogen sulfide abatement in geothermal steam |
| 04/24/1979 | US4151232 Superposed plates |
| 04/24/1979 | US4151215 Catalytic sorbents |
| 04/24/1979 | US4151212 Passing through a bed of alumina to reduce chloral content |
| 04/24/1979 | US4151124 Mixed oxides of iron, cobalt, and sodium for adsorbing oxides of nitrogen |
| 04/24/1979 | US4151123 Catalysts for removing nitric oxide and carbon monoxide from exhaust gases |
| 04/24/1979 | US4150962 Pretreatment of raw natural gas prior to liquefaction |
| 04/24/1979 | US4150957 Celaning plates continuously, countercurrent flow |
| 04/24/1979 | US4150548 Air pollution control |
| 04/24/1979 | CA1053221A1 Vertical counterflow heat exchanger apparatus |
| 04/24/1979 | CA1052980A1 Process for the removal of sulfur dioxide from exhaust flue gases |
| 04/18/1979 | EP0001456A1 Process for removing mercury from mercury vapour-containing gases |
| 04/18/1979 | EP0001448A1 Vapor-liquid contacting tray |
| 04/18/1979 | EP0001438A1 Method and apparatus for burning explosive gases |
| 04/18/1979 | EP0001437A1 Process and apparatus for thermal afterburning of explosive gas |
| 04/17/1979 | US4150104 Method for removing hydrogen sulfide from gases and for obtaining elemental sulfur |
| 04/17/1979 | US4150102 Purifying hydrofluoric acid |
| 04/17/1979 | US4150096 Removal of sulfur dioxide by wet scrubbing with calcium compound to form calcium sulfate and calcium sulfite, minimizing scale deposition |
| 04/17/1979 | US4149997 Heating rhodochrosite in air |
| 04/17/1979 | US4149864 High pressure, low temperature |
| 04/17/1979 | US4149858 Method and apparatus for the separation of sulfur & nitrogen oxides from a waste gas |
| 04/17/1979 | US4149857 Process for the two-stage separation of ammonia |
| 04/17/1979 | CA1052844A1 Apparatus for gas collection in aluminum smelting furnaces |
| 04/17/1979 | CA1052761A1 Process for regenerating a solid reactant |
| 04/17/1979 | CA1052708A1 Tubular membrane apparatus on supports for the treatment of fluids |
| 04/17/1979 | CA1052686A1 Packing material |
| 04/17/1979 | CA1052685A1 Removal of mass or energy from a gas in a packed column with fibrous bed |
| 04/17/1979 | CA1052537A1 Process and apparatus for the purification of coke oven gas |
| 04/10/1979 | US4148868 Process for separating SO2 from a current of gas containing the same |
| 04/10/1979 | US4148760 Catalyst for oxidizing sulfur or sulfur compounds |
| 04/10/1979 | US4148620 Deceleration of entrained particles in gas flow |
| 04/10/1979 | US4148618 Layer of odor-treating material |
| 04/10/1979 | US4148617 Water recovery device |
| 04/10/1979 | US4148615 Prevention of scale formation in wet lime scrubbers |
| 04/10/1979 | CA1052366A1 Production of material consisting of solid hollow spheroids |
| 04/10/1979 | CA1052292A1 Removal of hydrogen fluoride from gaseous mixture by absorption on alkaline earth metal fluoride |
| 04/10/1979 | CA1052291A1 Method and apparatus for the purification of waste gas containing gaseous pollutants |
| 04/03/1979 | US4147756 Combustion gas scrubbing system |
| 04/03/1979 | US4147755 Reacting sulfur dioxide with calcium hydroxide |
| 04/03/1979 | US4147754 System for selective removal of hydrogen sulfide from a mixture of gases |
| 04/03/1979 | US4147523 Apparatus for continuously treating gas with activated carbon |
| 04/03/1979 | US4147481 Asymmetric permeable member |
| 04/03/1979 | US4147480 Asymmetric permeable member |
| 04/03/1979 | US4147212 Control of hydrogen sulfide gas to reduce toxicity and corrosion due to exposures thereto |
| 03/27/1979 | US4146569 Scrubbing, regeneration |
| 03/27/1979 | US4146464 Temporary shutdown of co-combustion devices |
| 03/27/1979 | US4146463 Removal of carbon monoxide and sulfur oxides from refinery flue gases |
| 03/27/1979 | US4146450 Method for removing nitrogen oxides from nitrogen oxide-containing gases |
| 03/27/1979 | US4146372 Process and system for recovering water from the atmosphere |