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MINES DOMANIALES DE POTASSE
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MINES DOMANIALES DE POTASSE
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Publication of FR732833ApublicationCriticalpatent/FR732833A/fr
C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
C01D3/00—Halides of sodium, potassium or alkali metals in general
C01D3/04—Chlorides
C01D3/08—Preparation by working up natural or industrial salt mixtures or siliceous minerals
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FR732833D1932-03-081932-03-08Procédé et dispositif permettant d'éliminer les dépôts de sel sur les buses des appareils de cristallisation
ExpiredFR732833A
(fr)
Procédé et dispositif pour éviter la formation de tartre et pour l'enlèvement decelui-ci dans les appareils d'évaporation et d'échange thermique contenant de l'eau
Procédé d'enlèvement par raclage et de nettoyage du ballast souillé, après enlèvement des rails, et d'évacuation des déchets ou gravier souillé et dispositif permettant la mise en pratique de ce procédé