Method of purifying strong acids or strongly acidic media to remove di- and higher valent metal ions

The present invention relates to a method of purifying strong acids or strongly acidic media to remove di- and higher valent metal ions, which can be used within the context of the production of high-purity silica. The invention further relates to the use of special ion exchangers for carrying out t...

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Bibliographische Detailangaben
Hauptverfasser:	ERLHOEFER, PETER, MUELLER, SVEN, BEHNISCH, JUERGEN, RAULEDER, HARTWIG, BARTHEL, THOMAS, RUF, MARKUS, PAULAT, FLORIAN, SIRAY, MUSTAFA, PANZ, CHRISTIAN, FRINGS, BODO, TITZ, GUIDO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a method of purifying strong acids or strongly acidic media to remove di- and higher valent metal ions, which can be used within the context of the production of high-purity silica. The invention further relates to the use of special ion exchangers for carrying out the method according to the invention and the resultant high-purity silicas.