Methanol to olefins (MTO) is an important non-petroleum route to produce value-added chemicals because methanol can be easily obtained from multifarious carbon resources. Despite 50 years of extensive research, MTO remains one of the most interesting topics in energy chemistry and the chemical industry because its complex reaction network consists of numerous elementary steps. The reaction mechanism and product distribution in MTO are closely related to the location of the acid site in the zeolite framework, which determines the surrounding environment of acid center and shape selectivity of the pore channel. In this review, we summarize the recent progress on MTO reaction mechanisms, evaluate the influence of acid site distribution in zeolite on MTO and other reactions involving methanol, and identify some methods for regulating Al positions or acid sites in the zeolite framework. This review provides a basis for understanding and investigating MTO reaction mechanisms and designing highly efficient MTO catalysts.

甲醇制烯烃 (MTO) 是生产增值化学品的重要非石油路线，因为甲醇可以很容易地从多种碳资源中获得。尽管进行了 50 年的广泛研究，但 MTO 仍然是能源化学和化学工业中最有趣的课题之一，因为其复杂的反应网络由许多基本步骤组成。MTO中的反应机理和产物分布与酸位在沸石骨架中的位置密切相关，决定了酸中心的周围环境和孔道的形状选择性。在这篇综述中，我们总结了 MTO 反应机理的最新进展，评估了沸石中酸位分布对 MTO 和其他涉及甲醇的反应的影响，并确定了一些调节沸石骨架中Al位置或酸性位点的方法。本综述为理解和研究 MTO 反应机理以及设计高效 MTO 催化剂提供了基础。