A Highly Active Au/In<sub>2</sub>O<sub>3</sub>-ZrO<sub>2</sub> Catalyst for Selective Hydrogenation of CO<sub>2</sub> to Methanol
oleh: Zhe Lu, Kaihang Sun, Jing Wang, Zhitao Zhang, Changjun Liu
| Format: | Article |
|---|---|
| Diterbitkan: | MDPI AG 2020-11-01 |
Deskripsi
A novel gold catalyst supported by In<sub>2</sub>O<sub>3</sub>-ZrO<sub>2</sub> with a solid solution structure shows a methanol selectivity of 70.1% and a methanol space–time yield (STY) of 0.59 g<sub>MeOH</sub> h<sup>−1</sup> g<sub>cat</sub><sup>−1</sup> for CO<sub>2</sub> hydrogenation to methanol at 573 K and 5 MPa. The ZrO<sub>2</sub> stabilizes the structure of In<sub>2</sub>O<sub>3</sub>, increases oxygen vacancies, and enhances CO<sub>2</sub> adsorption, causing the improved activity.