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