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Zellsloff Fabrik Waldhof AG
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Zellsloff Fabrik Waldhof AG
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Publication of FR835010ApublicationCriticalpatent/FR835010A/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
C01B17/60—Isolation of sulfur dioxide from gases
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Chemical & Material Sciences
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Organic Chemistry
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Inorganic Chemistry
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FR835010D1937-03-091938-03-09Procédé de récupération de l'acide sulfureux formé au cours de la cuisson de la cellulose au sulfite
ExpiredFR835010A
(fr)
Procédé pour la récupération de la chaleur perdue et/ou de sulbstances utiles provenant, au cours de la fabrication de la cellulose des procédés au sulfate ou au sulfite ou autres traitements analogues