Effective conversion of CO<sub>2</sub> into light olefins over a bifunctional catalyst consisting of La-modified ZnZrO<sub><i>x</i></sub> oxide and acidic zeolite
Wenyu Zhang, Sen Wang, Shujia Guo, Zhangfeng Qin, Mei Dong, Jianguo Wang, Weibin Fan
Abstract
Addition of proper amount of La produces more oxygen vacancies on ZnZrO x ( n La), hence promoting the formation of methanol. Upon coupling with H-SAPO-34, ZnZrO x (0.3La)/H-SAPO-34 catalyst shows a C 2 = –C 4 = selectivity in hydrocarbons as high as 83.2%.
Topics & Concepts
CatalysisBifunctionalZeoliteMethanolSelectivityOxygenChemistryOxideBifunctional catalystInorganic chemistryOrganic chemistryCatalytic Processes in Materials ScienceCatalysts for Methane ReformingCarbon dioxide utilization in catalysis