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SYNDICAT D ETUDES ET D APPLIC
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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B17/00—Sulfur; Compounds thereof
C01B17/48—Sulfur dioxide; Sulfurous acid
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Inorganic Chemistry
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FR669057D1928-05-241928-05-24Procédé de fabrication des solutions aqueuses d'anhydride sulfureux hydraté, nécessaires au traitement du bois
ExpiredFR669057A
(fr)
Procédé et appareillage pour la fabrication de la cellulose à la soude ou au sulfate, à partir des bois résineux avec récupération en continu des sous-produits etutilisation des lessives résiduaires