Method for making silica gel wtih a large active surface area

Method for making silica gel wtih a large active surface area

A method is described for making silica gel having a large active surface area suitable for use as an adsorbent-separator of gases and liquids in hermetically sealed acid accumulators and as a filler in the fabrication of rubber articles. The method produces silica gel having a large active surface...

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Bibliographische Detailangaben
Hauptverfasser: STOILOV, VLADIMIR G, BOIKO G, GEORGI T, LAZOV, PAVEL A, CHERVENKOV, CHRISTO T
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:A method is described for making silica gel having a large active surface area suitable for use as an adsorbent-separator of gases and liquids in hermetically sealed acid accumulators and as a filler in the fabrication of rubber articles. The method produces silica gel having a large active surface area and, at the same time, a microgranular structure. The product is in the form of aggregates having a size which generally does not exceed 5 mm, so no additional grinding of the product is required. The silica gel exhibits a large pore volume.