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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B17/00—Sulfur; Compounds thereof
C01B17/02—Preparation of sulfur; Purification
C01B17/0232—Purification, e.g. degassing
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Treating Waste Gases
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FR620717D1925-08-061926-07-28Procédé pour la production de soufre pur à partir de masses brutes contenant du soufre et souillées d'impuretés
ExpiredFR620717A
(fr)
Verfahren zur Verhuetung des Schwefelabsatzes in den Steigrohren bei der Foerderung schwefelwasserstoffhaltiger Erdgase, die Schwefel geloest enthalten
Procédé d'obtention simultanée d'alliages de départ aluminium-silicium purifiéset d'alliages propres aux applications métallurgiques ou chimiques