Selective transformation of carbon dioxide into lower olefins with a bifunctional catalyst composed of ZnGa2O4 and SAPO-34

被引：287

作者：

Liu, Xiaoliang ^{[1
]}

Wang, Mengheng ^{[1
]}

Zhou, Cheng ^{[1
]}

Zhou, Wei ^{[1
]}

Cheng, Kang ^{[1
]}

Kang, Jincan ^{[1
]}

Zhang, Qinghong ^{[1
]}

Deng, Weiping ^{[1
]}

Wang, Ye ^{[1
]}

机构：

[1] Xiamen Univ, State Key Lab Phys Chem Solid Surfaces, Coll Chem & Chem Engn,Collaborat Innovat Ctr Chem, Natl Engn Lab Green Chem Prod Alcohols Ethers & E, Xiamen 361005, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2018年 / 54卷 / 02期

基金：

中国国家自然科学基金;

关键词：

CO2; HYDROGENATION; METHANOL SYNTHESIS; DIRECT CONVERSION; OXYGEN VACANCY; SYNTHESIS GAS; HB ZEOLITE; HYDROCARBONS; SYNGAS; OXIDE; ADSORPTION;

D O I：

10.1039/c7cc08642c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A bifunctional catalyst composed of ZnGa2O4 with a spinel structure and molecular sieve SAPO-34 catalyses the direct conversion of CO2 to C-2-C-4 olefins with a selectivity of 86% and a CO2 conversion of 13% at 370 degrees C. The oxygen vacancies on ZnGa2O4 surfaces are responsible for CO2 activation, forming a methanol intermediate, which is then converted into C-2-C-4 olefins in SAPO-34.

引用

页码：140 / 143

页数：4

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