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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Publication of FR844253ApublicationCriticalpatent/FR844253A/fr
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D53/00—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, aerosols
B01D53/34—Chemical or biological purification of waste gases
B01D53/46—Removing components of defined structure
B01D53/48—Sulfur compounds
B01D53/52—Hydrogen sulfide
B01D53/523—Mixtures of hydrogen sulfide and sulfur oxides
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FR844253D1937-10-251938-10-03Procédé pour éliminer les acides faibles gazeux présents dans des gaz
ExpiredFR844253A
(fr)