Process for producing hydrotalcites and their metal oxides

the present invention provides a method for preparing high-purity hydrotalcite by using alcohol or alcohol mixture and making it react witt at least one or several kinds of bivalent metal and at least one or several kinds of trivalent metal. and then making the obtained alkoxide mixture pass through...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JAN SCHIEFLER, KLAUS DIBLITZ, KLAUS NOWECK
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	the present invention provides a method for preparing high-purity hydrotalcite by using alcohol or alcohol mixture and making it react witt at least one or several kinds of bivalent metal and at least one or several kinds of trivalent metal. and then making the obtained alkoxide mixture pass through hydrolysis process. Besides, the above-mentioned alkoxide mixture is passed through the process ofroasting treatment so as to prepare correpondent metal oxide.