Coupling of Methanol and Carbon Monoxide over H‐ZSM‐5 to Form Aromatics

• DOI: 10.1002/ange.201807814
• Publication Date: 2018-07-31T08:48:32Z
• Authors: Zhiyang Chen; Youming Ni; Yuchun Zhi; Fuli Wen; Ziqiao Zhou; Yingxu Wei; Wenliang Zhu; Zhongmin Liu
• Keywords: Aromatization; ZSM-5; Alkane

Abstract The conversion of methanol into aromatics over unmodified H‐ZSM‐5 zeolite is generally not high because the hydrogen transfer reaction results in alkane formation. Now circa 80 % selectivity for coupling and carbon monoxide reported. Carbonyl compounds methyl‐2‐cyclopenten‐1‐ones (MCPOs), which were detected products catalysts, respectively, are considered as intermediates. latter species can be synthesized from former olefins. 13 C isotope tracing liquid‐state NMR confirmed that atoms CO molecules incorporated MCPOs aromatic rings. A new aromatization mechanism involves formation above intermediates co‐occurs with a dramatically decreased proposed. portion carbons aromatic, great significance industrial applications.