The Role of CO in the Synthesis of Methanol from the Hydrogenation of Carbon Dioxide

Chem. J. Chinese Universities ›› 1998, Vol. 19 ›› Issue (6): 926.

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The Role of CO in the Synthesis of Methanol from the Hydrogenation of Carbon Dioxide

LI Ji-Tao^1,2, Au-Chak-Tong¹, CHEN Ming-Dan^1,2, ZHANG Wei-De¹

1. Chemistry Department, Hong Kong Baptist Universitya, Hong Kong;
2. Chemistry Department and Institute of Physical Chemistry, Xiamen University, Xiamen, 361005

Received:1997-04-24 Online:1998-06-24 Published:1998-06-24

Abstract

Abstract: The effect of adding COto the raw gases for methanol synthesis from the hydrogenation of carbon dioxide over the CuO/ZnO/Al₂O₃ catalysts has been reported. Small amount of CO in the raw gases can increase the selectivity and yield of methanol by 38% and 25%, respectively. TPD MSand TPSR MS results indicate that COcan suppress the adsorption of CO₂ on the sites, which bring about the reverse water gas shift reaction and hence promote the selectivity of methanol.

Key words: CO₂ hydrogenation, Methanol synthesis, Effect of CO

CLC Number:

O643.11

TrendMD:

LI Ji-Tao, Au-Chak-Tong, CHEN Ming-Dan, ZHANG Wei-De . The Role of CO in the Synthesis of Methanol from the Hydrogenation of Carbon Dioxide[J]. Chem. J. Chinese Universities, 1998, 19(6): 926.

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The Role of CO in the Synthesis of Methanol from the Hydrogenation of Carbon Dioxide

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