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