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GEA Group AG
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Metallgesellschaft AG
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Application filed by Metallgesellschaft AGfiledCriticalMetallgesellschaft AG
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Publication of FR1069850ApublicationCriticalpatent/FR1069850A/fr
C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B17/00—Sulfur; Compounds thereof
C01B17/48—Sulfur dioxide; Sulfurous acid
C01B17/50—Preparation of sulfur dioxide
C01B17/52—Preparation of sulfur dioxide by roasting sulfides
C—CHEMISTRY; METALLURGY
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B1/00—Preliminary treatment of ores or scrap
C22B1/02—Roasting processes
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FR1069850D1952-02-161953-01-13Procédé pour produire des gaz contenant de l'anhydride sulfureux par grillage de minerais ou autres substances sulfurés
ExpiredFR1069850A
(fr)
Procédé de production de gaz renfermant de l'anhydride sulfureux par grillage de matières renfermant en plus du soufre, de l'arsenic ou de l'antimoine, ou de l'arsenic et de l'antimoine