| abstract |
Silicon-titanium mixed oxide powder, dispersion thereof and titanium-containing zeolite prepared therefrom Pyrogenic silicon-titanium mixed oxide powder, having a BET surface area of 200 to 400 m 2 /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. n Dispersion comprising this powder. n Process for the preparation of a titanium-containing zeolite starting from powder or dispersion. |