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Koepp & Co R Chem Fab AG
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Koepp & Co R Chem Fab AG
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C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
C01D1/04—Hydroxides
C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
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FR759216D1932-07-091933-07-05Procédé de préparation de potasse caustique à partir de sulfate de potassium, avec obtention simultanée d'acide oxalique
ExpiredFR759216A
(fr)
Procédé combiné pour la préparation de carbonate de soude, de chlorure d'ammonium, de nitrate de sodium et d'acide chlorhydrique à partir du chlorure de sodium
Procédé d'utilisation, en cycle continu, des lessives de décapage à acide sulfurique avec récupération de l'acide sulfurique libre des solutions de décapage finales