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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09/27/1977 | US4051072 Method for making pellet type catalyst |
09/27/1977 | US4051070 Exhaust systems |
09/27/1977 | US4050910 Demister |
09/27/1977 | US4050877 Reduction of gaseous pollutants in combustion flue gas |
09/27/1977 | US4050871 Apparatus for making pellets usable as aggregate or filler |
09/27/1977 | US4050262 Apparatus for extracting water from the atmosphere |
09/20/1977 | USRE29410 Process for manufacturing of deodorizing air filters |
09/20/1977 | US4049787 Process for separating sulphur in the form of hydrogen sulphide from clarified green liquor obtained from the combustion of waste liquor |
09/20/1977 | US4049777 Reducing nitrogen oxides with ammonia, iron-chromium oxide catalyst |
09/20/1977 | US4049776 Complexing iron with a quinone |
09/20/1977 | US4049775 Method for purifying waste air from sulphuric gases, particularly in the production of viscose fibres |
09/20/1977 | US4049673 Preparation of ferrous hemoglobin and enzymatic digestion products thereof active for absorption of carbon monoxide |
09/20/1977 | US4049583 Metal oxide catalytic compositions having perovskite crystal structures and containing metals of the platinum group |
09/20/1977 | US4049582 Oxidation and reduction catalysts; slurrying a magnesium aluminate precursor and a metal compound, coating, calcining |
09/20/1977 | US4049570 Separating flue coke from carbon monoxide and hydrogen |
09/20/1977 | US4049569 Burning hydrocarbons with air, spray cooling hot combustion gases ion |
09/20/1977 | US4049406 Fluid filter housing and assembly |
09/20/1977 | US4049405 Filter material charging apparatus for filter assembly for radioactive contaminants |
09/20/1977 | US4049399 Removing particulates, sulfur oxides, hydrogen sulfide, alkyl sulfides and disulfides, mercaptans; nucleation, scrubbing, activated carbon |
09/20/1977 | US4049398 Separating oxygen from the air by means of dissolving air in a nonmagnetic, inert liquid and then paramagnetically collecting the oxygen from the liquid |
09/13/1977 | US4048293 Process for purifying a sulfur dioxide containing gas |
09/13/1977 | US4048292 CO purification process |
09/13/1977 | US4048287 Sulfur recovery method |
09/13/1977 | US4048286 Process for the decontamination of waste materials |
09/13/1977 | US4048112 Vanadium oxide on anatase form of titanium dioxide |
09/13/1977 | US4048098 Catalyst for purification of exhaust gases and processes for its production and use |
09/13/1977 | US4048073 Filter bed assembly |
09/13/1977 | US4047909 Valve system particularly for apparatus for producing dry compressed air |
09/13/1977 | US4047906 Method for the purification of waste gas containing gaseous pollutants |
09/13/1977 | US4047904 Control systems for adsorber units |
09/13/1977 | US4047895 Apparatus for the purification of engine exhaust gases without oxidation of entrained SO2 |
09/13/1977 | US4047894 Removing carbon dioxide from the air |
09/13/1977 | US4047891 Density control system |
09/06/1977 | US4046888 Methods for catalytic reduction of nitrogen oxides |
09/06/1977 | US4046856 Magnesium hydroxide absorber, gypsum |
09/06/1977 | US4046712 Catalysts sputtered on substantially nonporous low surface area particulate supports |
09/06/1977 | US4046529 Carbon dioxide |
09/06/1977 | US4046527 Apparatus for the stable confinement of an ionized gas column inside a magnetic field |
09/06/1977 | US4046525 Method for adsorbing harmful substance |
08/30/1977 | US4045539 Adsorption onto activated carbon, allowing the radioactive iodine to decay |
08/30/1977 | US4045538 Catalytic oxidation of vinyl chloride |
08/30/1977 | US4045372 Control of physical properties of alumina extrudates |
08/30/1977 | US4045371 Process for preparing a gas desulfurization sorbent |
08/30/1977 | US4045368 Pitch, oxidation |
08/30/1977 | US4045353 High-energy radiation induced polymerization on a chromatographic solid support |
08/30/1977 | US4045316 Photochemical process for decontaminating gaseous or vaporous streams |
08/30/1977 | US4045191 Radioactive krypton gas separation |
08/23/1977 | US4044114 Process for purifying a gas containing sulfur compounds |
08/23/1977 | US4044111 Method of treating calcium nitrate contained in denitration waste liquid |
08/23/1977 | US4044102 Method for treating exhaust gases |
08/23/1977 | US4044101 Method of treating exhaust gases containing nitrogen oxides and sulfurous acid gas |
08/23/1977 | US4044100 Separation of acidic gas constituents from gaseous mixtures containing the same |
08/23/1977 | US4044099 Polluted air effluent incinerating method |
08/23/1977 | US4044098 Removal of mercury from gas streams using hydrogen sulfide and amines |
08/23/1977 | US4043939 Calcination |
08/23/1977 | US4043934 Catalyst and method for oxidizing reducing gases |
08/23/1977 | US4043774 Compressed air system |
08/23/1977 | US4043770 Absorption-adsorption system for purifying cryogenic gases |
08/23/1977 | US4043769 Process for recovering a solvent vapor |
08/16/1977 | US4042669 Process for separation and recovery of carbon monoxide |
08/16/1977 | US4042668 SO2 removal process |
08/16/1977 | US4042667 Method of cleaning waste gas containing a fluorine component |
08/16/1977 | US4042353 Method and apparatus for filtering through particulate material |
08/16/1977 | US4042350 Methods and applications of preparative scale chromatography |
08/16/1977 | US4042349 Method of fractionation of a gaseous mixture by adsorption |
08/09/1977 | US4041142 Method for removing sulfur oxide from waste gases and recovering elemental sulfur |
08/09/1977 | US4041137 Reacting a fluorine compound with alumina |
08/09/1977 | US4041130 Process for desulfurization of coke oven gas |
08/09/1977 | US4041129 Removal of acidic gases from hydrocarbon streams |
08/09/1977 | US4041128 Reaction with iron, copper or zinc oxides and sulfides |
08/09/1977 | US4040990 Adsorbers, catalysts |
08/09/1977 | US4040981 Process for producing denitrating catalysts |
08/09/1977 | US4040803 Wet waste flue gas desulfurizing process using lime as absorbent |
08/09/1977 | US4040802 Impregnated charcoal |
08/09/1977 | US4040801 Method and apparatus for rapid adjustment of process gas inventory in gaseous diffusion cascades |
08/02/1977 | US4039650 Catalytic |
08/02/1977 | US4039623 Hydrated nickel oxide catalyst |
08/02/1977 | US4039622 Catalytic process for NOX reduction under lean conditions |
08/02/1977 | US4039621 Catalysis |
08/02/1977 | US4039619 Process for the selective removal of hydrogen sulfide from hot coal gasification gases |
08/02/1977 | US4039482 Method of coating and impregnating catalyst support members |
08/02/1977 | US4039481 Catalyst carrier and method of manufacturing same |
08/02/1977 | US4039480 Hollow ceramic balls as automotive catalysts supports |
08/02/1977 | US4039478 Flue gas desulfurization sorbent |
08/02/1977 | US4039471 Process for rejuvenating automobile emission control catalysts |
08/02/1977 | US4039455 Retaining device for an apparatus having flat semi-permeable membranes |
08/02/1977 | US4039307 Countercurrent flow horizontal spray absorber |
08/02/1977 | US4039306 Adsorber apparatus |
08/02/1977 | US4039304 Method of removing SO2 and/or other acid components from waste gases |
08/02/1977 | US4039294 Catalysts |
08/02/1977 | US4039293 Automobiles |
08/02/1977 | US4039292 Catalytic converter for oven fumes |
07/26/1977 | US4038369 Method for the abatement of hydrogen chloride |
07/26/1977 | US4038368 Wet treatment |
07/26/1977 | US4038367 Process for the removal of SOx and NOx from waste gases using alkali metal or alkaline earth metal iodide |
07/26/1977 | US4038366 Method for removing hydrogen sulfide |
07/26/1977 | US4038353 Rotor film column for making contact between gas and liquid |
07/26/1977 | US4038214 Silica, cobalt |
07/26/1977 | US4038054 Adsorption apparatus |
07/26/1977 | US4038051 Air cleaner and dryer |