| abstract |
The present disclosure discloses a MFI topological structure silicon molecular sieve, a preparation method thereof and a catalyst containing the MFI topological structure silicon molecular sieve, wherein the molecular sieve containing a silicon element, an oxygen element and a metallic element, the ions of said metallic element have a Lewis acid characteristic; the content of the metallic element in the molecular sieve is within a range of 5-100 μg/g based on the total amount of the molecular sieve; the BET specific surface area of the molecular sieve is within a range of 400-500 m 2 /g. |