Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Degussa GmbH, Deutsche Gold und Silber ScheideanstaltfiledCriticalDegussa GmbH
Publication of ES233947A1publicationCriticalpatent/ES233947A1/es
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
(AREA)
Abstract
Procedimiento par ala depuración de los metales alcalinotérreos magnesia,estroncio,bario y particularmente calcio, por evaporación y condensación a presión reducida, caracterizado porque durante la evaporación,el metal bruto se conserva cubierto con una capa, de preferencia delgada, de una aleación líquida, que está compuesta del metal a destilar y de uno o varios metales con una presión de vapor más baja que la del metal a depurar.
ES0233947A1956-04-251957-03-01PROCEDIMIENTO PARA LA DEPURACIoN DE LOS METALES ALCALINOTÉRREOS MAGNESIO, ESTRONCIO, BARIO Y PARTICULARMENTE CALCIO
ExpiredES233947A1
(es)