公开(公告)号：US12258278B1

公开(公告)日：2025-03-25

申请号：US18817272

申请日：2024-08-28

Applicant: Inner Mongolia University of Technology

Inventor： Yongfeng Zhang ,  Zhifei Hao ,  Xingyuan Liu

IPC: C01B39/38 ,  B01J20/16 ,  B01J20/30

Abstract: An organic-inorganic hierarchical ZSM-5, a preparation method thereof, and an application thereof are provided. The preparation method for the organic-inorganic hierarchical ZSM-5 includes the following steps: mixing a silicon source, an aluminum source, NaOH, and water, stirring the mixture until uniformly dispersed, and drying and grinding the mixture to obtain a hierarchical ZSM-5 precursor; mixing the hierarchical ZSM-5 precursor, sodium silicate, seed, ethanol, and water, and uniformly dispersing the mixture to obtain a crystallized solution; mixing the crystallized solution with a hydrolyzed organosilane to obtain a first solution; subjecting the first solution to hydrothermal crystallization at 160-180° C. for 48-72 h to obtain a second product; and washing and drying the second product to obtain the organic-inorganic hierarchical ZSM-5. The organic-inorganic hierarchical ZSM-5 prepared by the present invention maintains stable toluene adsorption within a humidity range of 30%, and has good cyclic adsorption.