Patent ID: 11884632
Assignee: ZHEJIANG HENGYI PETROCHEMICAL RESEARCH INSTITUTE CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 3:
4. The method of claim 1, wherein the catalyst comprises a binder and a silicon molecular sieve having a MFI topological structure; the catalyst comprises 50-95 wt % of the molecular sieve based on the dry weight and 5-50 wt % of the binder in terms of oxide, based on the dry weight of the catalyst; or
the molecular sieve contains metal elements, and ions of the metal elements have a Lewis acid characteristic; the content of the metal element in the molecular sieve is 5-10011 μg/g, based on the total amount of the molecular sieve.