FR816186A - Procédé pour la régénération d'acide sulfurique résiduaire par chauffage ou concentration et adjonction d'agents d'oxydation tels que l'acide nitrique
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Procédé pour la régénération d'acide sulfurique résiduaire par chauffage ou concentration et adjonction d'agents d'oxydation tels que l'acide nitrique
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CELLULOSE PATENTS International
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CELLULOSE PATENTS International
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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
C01B17/90—Separation; Purification
C01B17/905—Removal of organic impurities
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Organic Chemistry
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Inorganic Chemistry
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FR816186D1936-01-141937-01-09Procédé pour la régénération d'acide sulfurique résiduaire par chauffage ou concentration et adjonction d'agents d'oxydation tels que l'acide nitrique
ExpiredFR816186A
(fr)