METHOD FOR PRODUCING HIGH-PURITY SILICON DIOXIDE GRANULES FOR QUARTZ GLASS APPLICATIONS

METHOD FOR PRODUCING HIGH-PURITY SILICON DIOXIDE GRANULES FOR QUARTZ GLASS APPLICATIONS

It has been found that conventional cheap waterglass qualities in a strongly acidic medium react to give high-purity silica grades, the treatment of which with a base leads to products which can be processed further to give glass bodies with low silanol group contents.

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Bibliographische Detailangaben
Hauptverfasser: MUELLER, SVEN, BEHNISCH, JUERGEN, RAULEDER, HARTWIG, RUF, MARKUS, PANZ, CHRISTIAN, FRINGS, BODO, TITZ, GUIDO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
GLASS
INORGANIC CHEMISTRY
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:It has been found that conventional cheap waterglass qualities in a strongly acidic medium react to give high-purity silica grades, the treatment of which with a base leads to products which can be processed further to give glass bodies with low silanol group contents.