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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B17/00—Sulfur; Compounds thereof
C01B17/69—Sulfur trioxide; Sulfuric acid
C01B17/74—Preparation
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FR1050864D1951-03-031952-02-14Procédé pour l'absorption d'anhydride sulfurique hors des gaz résultant de la combustion de l'hydrogène sulfuré
ExpiredFR1050864A
(fr)
Procédé pour la production de soufre par réaction catalytique de l'hydrogène sulfuré sur des gaz contenant de l'oxygène ou de l'anhydride sulfureux