Novel micro-sized ZSM-5 zeolite was successfully prepared by a two-stage glucose-assisted crystallization and a selective surface dealumination process before removing the templates for methanol to propylene (MTP) reaction. The structural and crystalline properties of the as-prepared ZSM-5 were characterized by XRD, XPS, SEM, FTIR, and NMR analyses. Results showed that novel ZSM-5 zeolites with micro-sized crystals had better performances in improving the propylene selectivity in the MTP reaction than those conventional ZSM-5 zeolites with nano-sized crystals. The surface dealumination before the template removal obviously decreased the concentrations of surface aluminum atoms and significantly improved lifetime of catalysts in MTP reaction.

在去除甲醇制丙烯（MTP）反应模板之前，通过两阶段葡萄糖辅助结晶和选择性表面脱铝工艺成功制备了新型微细ZSM-5沸石。通过XRD，XPS，SEM，FTIR和NMR分析表征了所制备ZSM-5的结构和晶体性质。结果表明，与具有纳米级晶体的常规ZSM-5沸石相比，具有微米级晶体的新型ZSM-5沸石在改善MTP反应中的丙烯选择性方面具有更好的性能。模板去除前的表面脱铝明显降低了表面铝原子的浓度，并显着提高了催化剂在MTP反应中的寿命。