Method for making silica gel wtih a large active surface area

Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing

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2523156, C01B 3312

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active

053763483

ABSTRACT:
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.

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Bulgarian Author's Certificate No. 12035, "Method for Preparing Silica Gel With A Micro Porous Structure and a Large Active Surface", Priority date Nov. 12, 1966.

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