New ZnCe catalyst encapsulated in SBA-15 in the production of 1,3-butadiene from ethanol

被引：4

作者：

Yujun Zhao ^{[1
]}

Sijia Li ^{[1
]}

Zheng Wang ^{[1
]}

Shengnian Wang ^{[2
]}

Shengping Wang ^{[1
]}

Xinbin Ma ^{[1
]}

机构：

[1] Key Laboratory for Green Chemical Technology of Ministry of Education.Collaborative Innovation Center of Chemical Science and Engineering,School of Chemical Engineering and Technology,Tianjin University

[2] Chemical Engineering,Institute for Micromanufacturing,Louisiana Tech University

来源：

ChineseChemicalLetters | 2020年 / 31卷 / 02期

基金：

中国国家自然科学基金;

关键词：

1,3-Butadiene; Ethanol; SBA-15; Dehydrogenation; Aldol-condensation;

D O I：

暂无

中图分类号：

TQ221.223 []; O643.36 [催化剂];

学科分类号：

0817 ; 081705 ;

摘要：

ZnO-CeO;/SBA-15 catalysts were prepared by two kinds of solid-state grinding method and used for the production of 1,3-butadiene（1,3-BD） from ethanol.A mixture of SBA-15（with or without organic template） and metal precursors were ground in solid-state.The obtained catalysts were characterized by TG,N2 adsorption-desorption,TEM,XRD,Py-FTIR and NH;-TPD techniques.Superior dispersion of metal oxides and more exposed acid sites were achieved on the catalyst lOZn;Ce;-AS with the presence of organic template in SBA-15 during the solid-state grinding process.The catalytic performance was evaluated in a fixed-bed reactor and a 1,3-butadiene selectivity of as high as 45% is achieved.This is attributed to the coupling effect of Zn and Ce species in the mesopores of SBA-15,in which Zn promotes ethanol dehydrogenation and Ce enhances aldol-condensation,respectively.Additionally,solvent-free method inspires new catalyst synthesis strategy for the production of 1,3-butadiene from ethanol.

引用

页码：535 / 538

页数：4

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