| 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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| 09/12/1978 | US4113625 Diffusion device |
| 09/12/1978 | US4113453 Anti-pollution device for industrial stacks |
| 09/12/1978 | US4113451 Compressed gas filter assembly |
| 09/12/1978 | US4113450 Method and device relating to separation of liquid from liquid-containing compressed gas |
| 09/12/1978 | CA1038305A1 Filter and sorbent cartridge |
| 09/12/1978 | CA1038304A1 Respiratory support system |
| 09/12/1978 | CA1038136A1 Dry scrubbing tar ladened reduction cell off gases to remove fluorides |
| 09/05/1978 | US4112054 To form ethylene glycol |
| 09/05/1978 | US4112053 Dry method for the denitrification of exhaust gas containing nitrogen oxides |
| 09/05/1978 | US4112052 Process for removing carbon dioxide containing acidic gases from gaseous mixtures using aqueous amine scrubbing solutions |
| 09/05/1978 | US4112051 Process and amine-solvent absorbent for removing acidic gases from gaseous mixtures |
| 09/05/1978 | US4112050 Process for removing carbon dioxide containing acidic gases from gaseous mixtures using a basic salt activated with a hindered amine |
| 09/05/1978 | US4112049 Piperazinones |
| 09/05/1978 | US4112048 Air-regeneration filter |
| 09/05/1978 | US4111849 Copper-nickel alloy surface on metallic substrate |
| 09/05/1978 | US4111848 Platinum, palladium, rhodium or iridium on active alumina support |
| 09/05/1978 | US4111833 Impregnated with iodine and potassium compounds |
| 09/05/1978 | US4111218 Absorption process method and apparatus |
| 09/05/1978 | CA1037937A1 Process for storing liquefied gas |
| 08/29/1978 | US4110344 Adsorbent for polynuclear aromatic compounds |
| 08/29/1978 | US4110258 Perovskite crystal structure |
| 08/29/1978 | US4110254 Perovskite crystal structure |
| 08/29/1978 | US4110251 Metal oxyhalide catalytic compositions |
| 08/29/1978 | US4110183 Oxidation with actinic radiation to nitric acid |
| 08/29/1978 | US4110091 Process for the separation of a gaseous mixture consisting of water vapor, hydrocarbons, and air |
| 08/29/1978 | US4110087 Sulfur dioxide removal by absorption and fractionation |
| 08/29/1978 | CA1037457A1 Compositions and methods for high temperature stable catalysts |
| 08/29/1978 | CA1037227A1 Process for the purification of flue gas and other waste gases |
| 08/29/1978 | CA1037224A1 Process for absorbing so3 |
| 08/22/1978 | US4108969 Process for the removal of SO2 from a stack gas, absorptive medium for use in process and process for preparing the absorptive medium |
| 08/22/1978 | US4108959 Process for treating a waste gas |
| 08/22/1978 | US4108617 For compressed gas |
| 08/22/1978 | US4108605 Hydrogen purification and storage system |
| 08/22/1978 | US4108218 Metal oxide beds |
| 08/22/1978 | CA1037018A1 Method of producing exhaust gas cleaning catalyst |
| 08/22/1978 | CA1036957A1 Process for the purification of cyanogen chloride |
| 08/22/1978 | CA1036956A1 Apparatus for countercurrent gas-solid contact |
| 08/22/1978 | CA1036794A1 Removal of nitrogen oxides from exhaust gases and catalyst therefor |
| 08/15/1978 | US4107272 Process for removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts |
| 08/15/1978 | US4107271 To remove nitrogen oxides and sulfur oxides, lime slurry, alkali metal iodides, alkaline earth metal iodides |
| 08/15/1978 | US4107270 Process for simultaneous removal of hydrogen sulfide and water from a gas mixture without substantial removal of carbon dioxide or hydrocarbons |
| 08/15/1978 | US4107269 Carbon monoxide, hydrogen sulfide, catalytic conversion, reaction with sulfur dioxide |
| 08/15/1978 | US4107268 Animal confinement environment control |
| 08/15/1978 | US4107163 Perovskite-type compositions containing pentavalent Ru |
| 08/15/1978 | US4107041 Electromatographic separating apparatus and system |
| 08/15/1978 | US4107015 Method for removal of SO2 from gases |
| 08/15/1978 | US4106917 For selective removal of ethylene, acetylene, or mixtures |
| 08/15/1978 | US4106916 Automatic control of an absorption/stripping process |
| 08/15/1978 | US4106913 Catalytic converter having vibration-resistant catalyst carrier |
| 08/15/1978 | US4106670 Presettable metering valve |
| 08/15/1978 | US4106286 Waste heat recovery boiler apparatus |
| 08/15/1978 | CA1036581A1 Compositions and methods for high temperature stable catalysts |
| 08/15/1978 | CA1036580A1 Composition and method for high temperature stable catalysts (vib, ivb, iva and iia metals) |
| 08/15/1978 | CA1036577A1 Compositions and methods for high temperature stable catalysts |
| 08/15/1978 | CA1036576A1 Catalyst carrier |
| 08/15/1978 | CA1036508A1 Automatic drain device for deliquescent gas dryers |
| 08/08/1978 | US4105745 Catalyst and process for reducing nitrogen oxides |
| 08/08/1978 | US4105744 Method of neutralizing industrial waste gases |
| 08/08/1978 | US4105724 Cellular |
| 08/08/1978 | US4105722 Lightweight, closed-cell foam elastomeric elements for use in countercurrent gas-liquid contact operations |
| 08/08/1978 | US4105590 Catalysts for exhaust systems, aluminum, chromium and metal oxides |
| 08/08/1978 | CA1036075A1 Hollow fibre apparatus |
| 08/01/1978 | US4104364 Using porous material submerged in water, forming hydrochloric acid |
| 08/01/1978 | US4104361 Catalyst for reduction of nitrogen oxides and process for preparing the same |
| 08/01/1978 | US4104360 Process for reducing oxides nitrogen in the exhaust gas from internal combustion engines |
| 08/01/1978 | US4104191 Thermal conversion in the presence of an oxidant |
| 08/01/1978 | US4104146 Process for the purification of gas streams |
| 08/01/1978 | US4104040 Use of s-triazine derivatives in a gas chromatographic method |
| 08/01/1978 | US4104039 Process for concentrating or liquefying a specified component of a gaseous mixture |
| 08/01/1978 | US4104038 Stripping ammonia and other gases, sodium hydroxide, calcium hydroxide, oxygen |
| 08/01/1978 | US4104037 Gaseous diffusion system |
| 08/01/1978 | US4103902 Water seal for regenerator |
| 07/25/1978 | US4102983 Absorption liquid containing mineral oil |
| 07/25/1978 | US4102982 Process for treating stack gases |
| 07/25/1978 | US4102981 Removal of acidic impurity from chlorofluoromethanes |
| 07/25/1978 | US4102980 Sand in carrier gas |
| 07/25/1978 | US4102816 Adsorbent for polynuclear aromatic compounds |
| 07/25/1978 | US4102813 Catalyst for purifying exhaust gases |
| 07/25/1978 | US4102804 Quaternary pyridinium salt, organic thioamide, and a water-soluble sulfide or thiocyanate |
| 07/25/1978 | US4102803 Dithionite, alkaline material, porous filler particles in homogeneous mixture |
| 07/25/1978 | US4102802 Contacting with inert diluent and a copper(i) salt of a sulfonic acid or of a dialkyl phosphate |
| 07/25/1978 | US4102658 Apparatus for contacting a gas with a liquid |
| 07/25/1978 | US4102657 Air quality control system |
| 07/18/1978 | US4101643 Scrubbing with alkali metal sulfite followed by reaction with an amino compound |
| 07/18/1978 | US4101642 Method for converting the ammonia and hydrogen sulfide contained in coke-oven gases into nitrogen and water and sulfur respectively |
| 07/18/1978 | US4101641 Process for the removal of sulphur oxides from gases |
| 07/18/1978 | US4101635 Method for regenerating and recycling catalyst for oxidation of sulfur dioxide |
| 07/18/1978 | US4101634 By reaction with a metal-containing acceptor to form sulfates, and an ammonia precursor |
| 07/18/1978 | US4101633 By mixing with amino alcohols |
| 07/18/1978 | US4101632 By measurin amount of air added for combustion, pollution control |
| 07/18/1978 | US4101631 Selective adsorption of mercury from gas streams |
| 07/18/1978 | US4101610 Liquid-gas contacting tray |
| 07/18/1978 | US4101298 Pressure cycling control for fluid separator mechanism |
| 07/18/1978 | US4101297 Process for recovering a solvent vapor |
| 07/18/1978 | US4101296 Ozone decomposition and electrodesorption process |
| 07/18/1978 | US4101290 Catalytic reaction apparatus |
| 07/18/1978 | CA1034739A1 Fumes and gas filtration system, and production of sulphuric acid |
| 07/11/1978 | US4100260 Regenerative method for quantitative removal of sulfur dioxide from stack gases |
| 07/11/1978 | US4100259 Process and apparatus for the purification of fumes and gases and for the production of sulfuric acid |
| 07/11/1978 | US4100258 Sodium aluminate to reduce flue gas corrosion |