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)
11/1978
11/07/1978US4124689 Process for the oxidation of carbon monoxide to carbon dioxide
11/07/1978US4124687 Process for the oxidation of ammonia to nitrous oxide
11/07/1978US4124685 Method for substantially complete removal of hydrogen sulfide from sulfur bearing industrial gases
11/07/1978US4124536 Catalyst for reducing nitrogen oxides
11/07/1978US4124529 Carbonaceous adsorbents and process for making same
11/07/1978US4124528 Process for regenerating adsorbents with supercritical fluids
11/07/1978US4124116 Liquid absorbing sectional pack
11/07/1978US4123931 Method for uniformly coating liquid phases on glass beads and applications thereof
11/07/1978CA1042135A1 Method for the adsorption of sulfur dioxide
11/07/1978CA1042020A1 Low temperature fluid bed catalytic combustion of chlorohydrocarbon waste stream
11/07/1978CA1041914A1 Fluid treating apparatus
11/07/1978CA1041896A1 Co-current absorber for recovering inorganic compounds from plant effluents
11/07/1978CA1041737A1 Process for producing sulfur from sulfur dioxide
11/07/1978CA1041708A1 Separating sulphur in the form of hydrogen sulphide from clarified green liquor
10/1978
10/31/1978US4123507 Process for removing sulfur and NOx components from a gas stream
10/31/1978US4123502 Washing with tar oil
10/31/1978US4123391 Auto emission purifying catalyst and method of manufacture
10/31/1978US4123355 Sulfur dioxide, scrubbing, oxidation, acidification
10/31/1978US4123351 Removing hydrofluoric acid with potassium hydroxide, flow control
10/31/1978US4123237 Low pressure drop girth baffle steam separator
10/31/1978US4122673 Internal combustion engine with afterburning and catalytic reaction in a supercharger turbine casing
10/31/1978CA1041275A1 Process for deodorising waste or exhaust gases
10/31/1978CA1041274A1 Process for the preparation of acceptors
10/31/1978CA1041273A1 Method and arrangement for neutralizing waste gases
10/24/1978USRE29813 Process for the removal of sulfur oxide from waste gas
10/24/1978US4122156 Process for the production of carbon disulfide from sulfur dioxide removed from a flue gas
10/24/1978US4122150 Process for eliminating diluted sulfur oxides in combustion exhaust gases
10/24/1978US4122149 Sulfur dioxide, anion exchange resin
10/24/1978US4122148 Sulfur dioxide removal process
10/24/1978US4122039 Process for preparing catalyst
10/24/1978US4121663 With fragmented permeable mass of oil shale
10/24/1978US4121541 Process for purifying flue gases
10/24/1978CA1041125A1 Low temperature catalytic combustion of chlorohydrocarbons
10/24/1978CA1041026A1 Process for the recovery of carbonyls and carbon monoxide from carbonyl process gases
10/24/1978CA1041004A1 Separation of carbon dioxide and other acid gas components from hydrocarbon feeds
10/24/1978CA1040841A1 Method of and system for controlling a chemical process
10/17/1978US4120919 Quick opening removable tray sections for fluid contact
10/17/1978US4120821 Platinum, boron, and rhodium on alumina
10/17/1978US4120781 Process for reducing the level of radioactivity of a stream of light hydrocarbons
10/17/1978US4120669 Converting sulfur dioxide to sulfur trioxide, scrubbing with sulfuric acid, reacting with ozone, desulfurization
10/17/1978US4120667 Isolation of pure ammonia from gas mixtures containing ammonia and carbon dioxide
10/17/1978US4120663 Permselective membrane of a double doped metallic oxide
10/17/1978US4120645 System for handling high sulfur materials
10/17/1978CA1040791A1 High diffusivity membranes
10/17/1978CA1040758A1 Hydrogen sulfide removal from waste fluid
10/17/1978CA1040387A1 Process for the purification of gas streams
10/10/1978US4119703 Ammonia reducing agent
10/10/1978US4119702 Process for abating concentration of nitrogen oxides in combustion flue gas
10/10/1978US4119701 NOx reduction catalyst for internal combustion engine emission control
10/10/1978US4119571 Pellet type oxidation catalyst
10/10/1978US4119568 Solid supported catalysts for catalytic reduction of nitrogen oxides in waste gases
10/10/1978US4119418 Cascading, isotopes
10/10/1978US4119417 Semipermeable membrane
10/10/1978US4119413 Absorption with nonaqueous absorbent containing acetic acid, heating to desorb
10/10/1978US4119408 Apparatus for maintaining the separation efficiency of immobilized liquid membranes in gas separation
10/10/1978CA1040219A1 Alumina-zeolite composite adsorbents for refrigerants
10/10/1978CA1040111A1 Air drying apparatus, in particular for the production of ozone
10/03/1978US4118467 Treatment of gas containing hydrogen sulfide
10/03/1978US4118460 Removal of nitrogen oxides from industrial gases by use of oxidizing solutions in which nitrates are the oxidants
10/03/1978US4118205 Separation of gases
10/03/1978US4118199 Monolithic carrier catalyst and arrangements of such a catalyst for the purification of exhaust gases from an internal combustion engine
10/03/1978US4118198 For hot exhaust gases
10/03/1978US4117886 Oil shale retorting and off-gas purification
10/03/1978CA1039664A1 Method and device for separating gaseous or vaporous materials, epecially isotopes, by means of separation nozzles
10/03/1978CA1039480A1 Production of spongy ceramic material
09/1978
09/26/1978US4117082 Stannic oxide and group viii metals
09/26/1978US4117081 From exhaust gas, alumina, copper, rhodium, ruthenium, alkali metals, alkaline earth metals, transition metals
09/26/1978US4117080 Process for regenerating permanganate and/or manganate from manganese dioxide
09/26/1978US4117079 Removal of a gas component present in a gaseous stream
09/26/1978US4116884 Oxidizing catalyzer
09/26/1978US4116881 Granulated, calcium sulfate, potassium permanganate
09/26/1978US4116836 Monolithic glass
09/26/1978US4116650 Device for preventing circulation of liquid water entrained in compressed air
09/26/1978CA1039316A1 Low temperature catalytic combustion of chlorohydrocarbons
09/26/1978CA1039206A1 Mist eliminator
09/26/1978CA1039031A1 Method for removing so2 and nox simultaneously from the exhaust of a combustion furnace
09/26/1978CA1039030A1 Method for removal of sulfur dioxide from gases
09/19/1978USRE29771 Alumina base, coating of titania, zirconia or silica, and active material such as oxide of iron or copper
09/19/1978US4115531 Production of hydrochloric acid by removing hydrogen chloride from combustion gas
09/19/1978US4115518 Gas desulphurization
09/19/1978US4115517 Treatment of sulfur oxides with aqueous glyoxylic acid solutions
09/19/1978US4115516 Method of treating exhaust gas discharged from nitric acid plant
09/19/1978US4115515 Method for reducing NOx emission to the atmosphere
09/19/1978US4115514 Separation of hydrogen sulfide from gas mixture including carbon dioxide
09/19/1978US4115269 Random packing materials
09/19/1978US4115251 Carbon monoxide and sulfur oxides, combustion promoter
09/19/1978US4115250 Method for removing pollutants from catalyst regenerator flue gas
09/19/1978US4115249 Process for removing sulfur from a gas
09/19/1978US4115148 Adding inert gases
09/19/1978US4115084 Combined separator vessel and gas absorber vessel
09/19/1978US4115081 Process for separation of a mixed gas
09/19/1978CA1038599A1 Catalytic removal of nitrogen oxides from exhaust gases
09/12/1978US4113849 Recovering sulfur from gas streams containing hydrogen sulfide
09/12/1978US4113840 Process for the removal of sulfur dioxide from exhaust flue gases
09/12/1978US4113839 Nitrogen oxides removal method
09/12/1978US4113838 Method of treating combustion exhaust gas containing nitrogen oxides
09/12/1978US4113837 Process for separating polymeric contaminants from aqueous absorbent solutions used to treat organic gas-containing gas streams
09/12/1978US4113810 Distillation column packing
09/12/1978US4113660 Production of shaped catalysts or carriers comprising titanium oxides
09/12/1978US4113652 Oxygen absorbent