Hierarchical nano-sized ZnZr-Silicalite-1 multifunctional catalyst for selective conversion of ethanol to butadiene

Wang, Kangzhou ¹Gao, Weizhe ¹Chen, Fei ¹Liu, Guangbo ²Wu, Jinhu ²Liu, Na ³Kawabata, Yugo ¹Guo, Xiaoyu ¹He, Yingluo ¹Zhang, Peipei ¹Yang, Guohui ¹Tsubaki, Noritatsu¹

扫码查看

作者信息

1. Univ Toyama, Sch Engn, Dept Appl Chem, Gofuku 3190, Toyama 9308555, Japan
2. Chinese Acad Sci, Qingdao Inst Biomass Energy & Bioproc Technol, Qingdao 266101, Peoples R China
3. Cent South Univ Forestry & Technol, Sch Mat Sci & Engn, Changsha 410004, Hunan, Peoples R China
折叠

Abstract

Direct conversion of ethanol to butadiene (ETB) is a promising process for the production of renewable butadiene, but it still confronts great obstacles such as low butadiene selectivity and poor stability. Here, we report a hierarchical nano-sized ZnZr-Silicalite-1 multifunctional catalyst with high catalytic performance and stability in direct ETB process, and it was prepared by a facile one-pot crystallization process. The hierarchical nano-sized ZnZr-Silicalite-1 multifunctional catalyst achieved excellent butadiene selectivity of 61.4% and ethanol conversion of 89.8% at 350 degrees C and 0.38 h(-1). More importantly, it possessed superior stability compared to the previously reported catalyst systems. The effect of catalyst properties on catalytic performance were investigated using multiple characterized techniques. The results displayed that the ZnZr-Silicalite-1 catalyst possessed a hierarchical nano-sized structure, synergistic effects of various active centers, and suitably balanced acid-base properties. These properties realized excellent catalytic performance and stability for direct ETB conversion.

Key words

Ethanol/Butadiene/Hierarchical structure/Catalyst activity/Catalyst stability

引用本文复制引用

出版年

2022

Applied Catalysis

ISSN：0926-3373

被引量10

参考文献量59

段落导航