SILICON-TITANIUM MIXED OXIDE POWDER, DISPERSION THEREOF AND TITANIUM-CONTAINING ZEOLITE PREPARED THEREFROM

摘要

Pyrogenic silicon-titanium mixed oxide powder, having a BET surface area of 200 to 400 m<SUP>2</SUP>/g, a silicon dioxide content of 97.0 ± 1.5% by weight, a titanium dioxide content of 3.5 ± 1.0% by weight, the sum of silicon dioxide content and titanium dioxide content being greater than 99.7% by weight. Dispersion comprising this powder. Process for the preparation of a titanium-containing zeolite starting from powder or dispersion.