FR1169725A - Procédé pour la purification de métaux alcalino-terreux en particulier le calcium, par distillation sous pression réduite
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Procédé pour la purification de métaux alcalino-terreux en particulier le calcium, par distillation sous pression réduite
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Evonik Operations GmbH
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Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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Application filed by Degussa GmbH, Deutsche Gold und Silber ScheideanstaltfiledCriticalDegussa GmbH
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C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
C22B26/20—Obtaining alkaline earth metals or magnesium
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FR1169725D1956-04-251957-03-15Procédé pour la purification de métaux alcalino-terreux en particulier le calcium, par distillation sous pression réduite
ExpiredFR1169725A
(fr)
Procédé pour traiter des solutions de lavage telles qu'on en recueille par exemple lors de l'épuration de polyoléfines obtenues sous basse pression