Abstract

The effect of the amount of the molecular template tetraethylammonium hydroxide (TEAOH) in the precursor mixture on the physicochemical properties of SAPO-34 crystals has been examined, and the catalysts obtained have been tested in methanol conversion to lower olefins (MTO). The analysis of the textural and acidic properties of SAPO-34, which determine the high catalytic performances of catalysts in MTO, has been carried out. An effective catalyst possesses a high acidity and a developed surface with a large specific mesopore volume.

中文翻译：

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SAPO-34的质地和酸度在甲醇转化为烯烃中的作用

摘要

检查了前体混合物中分子模板氢氧化四乙铵（TEAOH）的量对SAPO-34晶体的物理化学性质的影响，并测试了所获得的催化剂在甲醇转化为低级烯烃（MTO）中的作用。已经对SAPO-34的质构和酸性进行了分析，确定了MTO中催化剂的高催化性能。有效的催化剂具有高酸度和具有大的比介孔体积的发达的表面。