Abstract Light olefins such as ethylene, propylene and butylene are mainly used in the petrochemical industry. Due to the growing need for light olefins in the industry and the future shortage of petroleum resources, the process of converting methanol to olefins (MTO) using non-oil sources has been considered as an alternative. Coal and natural gas are abundant in nature and the methods of converting them to methanol are well known today. Coal gasification or steam reforming of natural gas to produce synthetic gas (CO and hydrogen gas) can lead to methanol production. Methanol can also be catalytically converted to gasoline or olefins depending on the effective process and catalyst factors used. Due to the use of crude methanol in the MTO unit and because the feed does not require primary distillation, if the MTO unit is installed alongside the methanol unit, its capital costs will be reduced. The use of methanol can have advantages such as easier and less expensive transportation than ethane. Among the available catalysts, SAPO-34 is the most suitable catalyst for this process due to its small cavities and medium acidity. One of the problems of MTO units is the rapid deactivation of SAPO-34, which can also be affected by the synthesis factors, so it is possible to optimize the catalyst performance by modifying the synthesis conditions. In this article, we will introduce the MTO process and the factors affecting the production of light olefins.

中文翻译：

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SAPO-34纳米催化剂在甲醇-烯烃转化过程中的有效参数研究：综述

摘要 乙烯、丙烯、丁烯等轻质烯烃主要用于石油化工。由于工业对轻质烯烃的需求不断增长以及未来石油资源的短缺，使用非石油资源将甲醇转化为烯烃（MTO）的工艺已被认为是一种替代方法。煤和天然气在自然界中储量丰富，如今将它们转化为甲醇的方法已广为人知。煤气化或天然气蒸汽重整以生产合成气（CO 和氢气）可导致甲醇生产。甲醇也可以催化转化为汽油或烯烃，具体取决于使用的有效工艺和催化剂因素。由于在 MTO 装置中使用粗甲醇并且由于进料不需要初级蒸馏，如果 MTO 装置安装在甲醇装置旁边，其资本成本将会降低。与乙烷相比，甲醇的使用具有诸如运输更容易且成本更低等优点。在可用的催化剂中，SAPO-34 是最适合该工艺的催化剂，因为它具有小腔和中等酸度。MTO装置的问题之一是SAPO-34的快速失活，这也会受到合成因素的影响，因此可以通过修改合成条件来优化催化剂性能。在本文中，我们将介绍 MTO 工艺以及影响轻质烯烃生产的因素。SAPO-34 是最适合该工艺的催化剂，因为它具有小腔和中等酸度。MTO装置的问题之一是SAPO-34的快速失活，这也会受到合成因素的影响，因此可以通过修改合成条件来优化催化剂性能。在本文中，我们将介绍 MTO 工艺以及影响轻质烯烃生产的因素。SAPO-34 是最适合该工艺的催化剂，因为它具有小腔和中等酸度。MTO装置的问题之一是SAPO-34的快速失活，这也会受到合成因素的影响，因此可以通过修改合成条件来优化催化剂性能。在本文中，我们将介绍 MTO 工艺以及影响轻质烯烃生产的因素。