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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12/27/1977 | US4065406 Oxidation catalysts |
12/27/1977 | US4065320 Drying cement pellets |
12/27/1977 | US4065272 Adsorbersmaterials, regeneration for respiration |
12/27/1977 | US4065271 Fluidized bed reactor |
12/27/1977 | US4065268 Non-uniform crimped metal ribbon packed catalyst bed and method using same |
12/27/1977 | US4065110 Method and apparatus for purifying blister furnace effluent |
12/20/1977 | US4064219 Method of injecting ammonia into a flue for waste gases |
12/20/1977 | US4064218 Removal of phosgene from off-gases |
12/20/1977 | US4064212 Method of making pellets usable as aggregate or filler |
12/20/1977 | US4064073 Catalyst for the purification of the exhaust gases of internal combustion engines |
12/20/1977 | US4064043 Liquid phase adsorption using partially pyrolyzed polymer particles |
12/20/1977 | US4064037 Catalytic cracking, introducing combustion promoter which is a group 8 metal compound |
12/20/1977 | US4063912 Gaseous phase adsorption using partially pyrolyzed polymer particles |
12/20/1977 | US4063911 High temperature polar stationary liquid phase for gas chromatography |
12/20/1977 | US4063899 Decarbonating a gas with a wetted filter |
12/13/1977 | US4062932 Process for the catalytic oxidation of hydrogen sulfide with sulfur dioxide |
12/13/1977 | US4062931 Hydrogen cyanide with aqueous ammoniacal solution |
12/13/1977 | US4062926 Sulfur dioxide removal using thermally crushed nahcolite |
12/13/1977 | US4062925 Oxidation of vinylidene halides by permanganates in gaseous or aqueous process streams |
12/13/1977 | US4062810 Carrier-supported catalyst |
12/13/1977 | US4062808 Stabilized rhenium catalyst |
12/13/1977 | US4062807 Metal carbide |
12/13/1977 | US4062777 Solid-fluid contacting apparatus |
12/13/1977 | US4062770 Or sewage sludge |
12/13/1977 | US4062129 Arrangement for preparing hot compressed air of reduced moisture content suitable for use in operation of blast furnace |
12/06/1977 | USRE29488 Fuel compositions and additive mixtures for alleviation of exhaust gas catalyst plugging |
12/06/1977 | US4061893 Sprinkler flow control systems having continuous cycle timer and associated apparatus disposed in a hermetically sealed housing |
12/06/1977 | US4061849 Process for the recovery of gaseous or vaporous monomers from reaction off-gases |
12/06/1977 | US4061807 Porous, nylon |
12/06/1977 | US4061743 Removal of nitrogen oxides, oxidation |
12/06/1977 | US4061716 Process for the production of sorbent solids for use in the desulfurization of gases |
12/06/1977 | US4061715 Hydrogen, water vapor |
12/06/1977 | US4061714 Process for separating an acid from a gaseous mixture |
12/06/1977 | US4061713 Purification of exhaust gases |
12/06/1977 | US4061597 NOx control in catalyst manufacture |
12/06/1977 | US4061596 Process for preparing titanium oxide shaped carrier |
12/06/1977 | US4061593 Stabilization of calcium oxide sulfate trapping materials |
12/06/1977 | US4061574 Assembly of permeable hollow fibers and a tubesheet supportable at its face and opened by bores parallel thereto |
12/06/1977 | US4061566 Process using a supercritical fluid for regenerating synthetic organic polymeric adsorbents and wastewater treatment embodying the same |
12/06/1977 | US4061477 Method and apparatus for the purification of waste gas containing gaseous pollutants |
12/06/1977 | US4061476 Sorption |
12/06/1977 | US4060913 Assembly for dehydrating air to be supplied to blast furnace |
12/06/1977 | US4060912 Absorber-contactor |
11/29/1977 | US4060594 Reducing the consumption of anthraquinone disulfonate in stretford solutions |
11/29/1977 | US4060588 Process for removing sulfur-containing gases from waste gases |
11/29/1977 | US4060587 Gaseous and liquid reactant treatment |
11/29/1977 | US4060566 Membrane process for separating materials |
11/29/1977 | US4060410 Process for removing heavy metals from fluid media |
11/29/1977 | US4060398 Purification of sulfur containing exhaust gases |
11/29/1977 | US4060371 Liquid or gaseous fuel fired burner |
11/22/1977 | US4059683 Platinum catalyst |
11/22/1977 | US4059679 Modified zirconium phosphates |
11/22/1977 | US4059677 Catalytic oxidation of C2 -C4 halogenated hydrocarbons |
11/22/1977 | US4059676 Ruthenium-platinum catalyst |
11/22/1977 | US4059675 Ruthenium catalyst |
11/22/1977 | US4059543 Clinoptilolite sorbent |
11/22/1977 | US4059421 Cross-flow type stripping-absorption apparatus |
11/22/1977 | US4059418 Flue gas desulfurization sorbent and process |
11/15/1977 | US4058587 Carbon or sulfur dioxide, serpentine |
11/15/1977 | US4058485 Catalytic exhaust systems |
11/15/1977 | US4058376 Gas absorbtion process |
11/15/1977 | US4058375 Recycle |
11/15/1977 | US4058362 Protection of metals or metal containing articles |
11/08/1977 | US4057403 Gas treating process |
11/01/1977 | US4056606 Treatment with sulfur dioxide |
11/01/1977 | US4056600 Method of selective catalytic purification of waste gases from nitrogen oxides |
11/01/1977 | US4056489 High temperature stable catalyst composition and method for its preparation |
11/01/1977 | US4056373 Hydrogen-purification apparatus with palladium-alloy filter coil |
11/01/1977 | US4056370 Calcium-aluminum-silicon-oxygen |
11/01/1977 | US4056369 Method of and apparatus for the recovery of a desired material from a carrier stream |
10/25/1977 | US4055696 Porous polypropylene hollow filaments and method making the same |
10/25/1977 | US4055624 Chlorate and nitric, sulfuric or hydrochloric acid |
10/25/1977 | US4055623 Alkali metal sulfite |
10/25/1977 | US4055404 Process for collecting paint spray mists in spray paint operation |
10/25/1977 | US4055403 Compressed air dryer |
10/18/1977 | US4054702 Monolith design |
10/18/1977 | US4054640 Iron ore catalyst lumps |
10/18/1977 | US4054430 Method for separating the constituents of a gas mixture by making use of a rapid selective adsorbent |
10/18/1977 | US4054429 From a gas |
10/18/1977 | US4054428 Method and apparatus for removing carbon monoxide from compressed air |
10/18/1977 | US4054427 Method of recovering krypton and xenon nuclides from waste gases |
10/18/1977 | US4054418 Catalytic abatement system |
10/11/1977 | USRE29433 Air-pollution preventive arrangement |
10/11/1977 | US4053574 Gas desulfurization process |
10/11/1977 | US4053558 Purification of gas streams containing ferric chloride |
10/11/1977 | US4053557 Method of decomposing chlorohydrocarbons |
10/11/1977 | US4053556 Catalysis |
10/11/1977 | US4053554 Removal of contaminants from gaseous streams |
10/11/1977 | US4053434 Exhaust gas conversion catalyst |
10/11/1977 | US4053411 Automatic centrifuge safety latch system |
10/11/1977 | US4053375 Process for recovery of alumina-cryolite waste in aluminum production |
10/11/1977 | US4053290 Fiber bed separator |
10/04/1977 | USRE29428 Regeneration of alkanolamine absorbing solution in gas sweetening processes |
10/04/1977 | US4052337 Catalyst for reduction of nitrogen oxides and process for preparing same |
10/04/1977 | US4052176 Production of purified synthesis gas H2 -rich gas, and by-product CO2 -rich gas |
09/27/1977 | US4051372 Infrared optoacoustic gas analyzer having an improved gas inlet system |
09/27/1977 | US4051226 Prevention of explosive mixtures in the regeneration of sulfur oxide acceptors |
09/27/1977 | US4051225 Method for the heat recovery in the processes of the removal of nitrogen oxides from exhaust gases |
09/27/1977 | US4051224 Process and apparatus for collecting the fumes given off during the production of aluminium in an electrolysis cell with a continuous anode |
09/27/1977 | US4051073 Pellet-type oxidation catalyst |