The post-treated ZSM-5 was an effective catalyst for the synthesis of pyridine bases and therefore selecting suitable post-synthetic method was very crucial. In this work, a series of Mg-modified ZSM-5 with different forms was directly treated by HF-NH4F mixture solution, and then they acting as catalysts were for the first time employed for the reaction of acrolein dimethyl acetal, water and ammonia toward 3-picoline. The catalysts were characterized by means of XRD, SEM, EDX, FT-IR, 27Al MAS NMR, N2-physisorption, NH3-TPD and Py-IR techniques...
