Highly selective conversion of CO2 to para-xylene over tandem catalysts

Yuanzhi Qu; Zelong Li; Hanwen Hu; Siyu Chen; Jijie Wang; Can Li

doi:10.1039/d3cc01259j

Highly selective conversion of CO₂ to para-xylene over tandem catalysts

Chem Commun (Camb). 2023 Jun 15;59(49):7607-7610. doi: 10.1039/d3cc01259j.

Authors

Yuanzhi Qu^{1

2}, Zelong Li³, Hanwen Hu^{1

2}, Siyu Chen^{1

2}, Jijie Wang¹, Can Li^{1

2}

Affiliations

¹ State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China. jjwang@dicp.ac.cn.
² University of Chinese Academy of Sciences, Beijing 101408, China.
³ Key Laboratory of Advanced Catalysis, Gansu Province, State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, China.

PMID: 37254746
DOI: 10.1039/d3cc01259j

Abstract

ZnZrO/Mg-Si-ZSM-5 tandem catalysts enable CO₂ hydrogenation to para-xylene (PX) with PX selectivity up to 28% and a proportion of PX in xylene up to 84%. SiO₂ and MgO modification increases the PX selectivity by reducing the Brønsted acid sites and reducing the pore size of the zeolite.

MeSH terms

Carbon Dioxide*
Hydrogenation
Silicon Dioxide*
Xylenes

Substances

4-xylene
Carbon Dioxide
Silicon Dioxide
Xylenes