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Hydrogenation of CO₂ into aromatics over a ZnCrOₓ–zeolite composite catalyst
- Zhang, Junfeng, Zhang, Meng, Chen, Shuyao, Wang, Xiaoxing, Zhou, Zeling, Wu, Yingquan, Zhang, Tao, Yang, Guohui, Han, Yizhuo, Tan, Yisheng
- Chemical communications 2019 v.55 no.7 pp. 973-976
- aromatic compounds, carbon dioxide, catalysts, hydrocarbons, hydrogenation
- A ZnCrOₓ-ZnZSM-5 composite catalyst was used for CO₂ hydrogenation into hydrocarbons especially aromatics (Aro). 81.1% Aro selectivity in C₅₊ hydrocarbons (mainly C₅–₁₁) was obtained at 320 °C, corresponding to 19.9% CO₂ conversion, 29.8% total hydrocarbons (HCₜ) selectivity and 69.7% C₅₊ selectivity in HCₜ. Our optimized STY of Aro is the highest ever reported.