The present study aims to conduct a systematic assessment of Al‐SBA‐15 as the aluminum‐substituted mesoporous catalyst for raw methanol dehydration to dimethyl ether (MTD). The catalysts are synthesized by varying the pretreatment variables (pH of the preparation and Si/Al ratio), the posttreatment variable (steaming time), and by the addition of aluminophosphate as the binder. The experimental design and the analysis of the results, especially the relation of characterization results and reactor performance, are performed by the optimal response surface method in Design‐Expert software. The prepared micro‐mesoporous catalyst exhibits an excellent activity, stability, and DME selectivity; therefore, it can be introduced as an efficient catalyst for raw methanol dehydration.

中文翻译：

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调节Al‐SBA‐15催化剂对甲醇制二甲醚反应的酸度和孔隙率

本研究旨在对Al-SBA-15作为铝取代的介孔催化剂进行系统评估，该催化剂用于将甲醇原料脱水为二甲醚（MTD）。通过改变预处理变量（制剂的pH和Si / Al比），后处理变量（汽蒸时间）以及通过添加磷酸铝作为粘合剂来合成催化剂。实验设计和结果分析，尤其是表征结果与反应器性能之间的关系，是通过Design-Expert软件中的最佳响应面方法进行的。制备的微介孔催化剂具有优异的活性，稳定性和二甲醚选择性。因此，它可以作为甲醇粗制脱水的有效催化剂。