The effects of B, Mg and B-Mg modifications on the surface acidity and the catalytic performance of HZSM-5 were studied by Py-IR.

• 采用Py-IR分析研究了硼(B)、镁(Mg)及B-Mg复合改性对HZSM-5分子筛表面酸性和催化性能的影响。