Verbessertes Verfahren zum Entfernen von Cadmium-Ionen aus Nassverfahrensphosphorsäure.
摘要
<p>A process for the removal of cadmium ions by liquid-liquid extraction from wet process phosphoric acid, which had been obtained from crude phosphate ores by dissolution with sulfuric acid, uses salts of long chain alkyl amines or ammonium bases with the chlorocomplexes of polyvalent metal ions, which are dissolved in an inert organic solvent.</p>
申请公布号
DE59006556(D1)
申请公布日期
1994.09.01
申请号
DE1990506556
申请日期
1990.05.23
申请人
CHEMISCHE FABRIK BUDENHEIM RUDOLF A. OETKER, 55257 BUDENHEIM, DE
