In 2 O 3 as a promising catalyst for CO 2 utilization: A case study with reverse water gas shift over In 2 O 3

Qidi Sun, Jingyun Ye, Chang‐jun Liu and Qingfeng Ge

Greenhouse Gases: Science and Technology, 2014, vol. 4, issue 1, 140-144

Abstract: In 2 O 3 was prepared by using thermal decomposition of indium (III) nitrate hydrate at 300 °C for 3 h. The obtained crystals show a rectangular shape with highly porous morphology. The length of the rectangular In 2 O 3 is ranged from 40 to 80 nm with an average pore diameter of ca. 3.4 nm. Such prepared In 2 O 3 catalyst shows an obviously higher activity for reverse water gas shift (RWGS) than Ga 2 O 3 obtained at the same decomposition temperature. The result is in good agreement with the theoretical prediction, which shows that adsorbed CO 2 on In 2 O 3 surface is more highly activated than that on the Ga 2 O 3 surface. The present work confirms that In 2 O 3 is a promising catalyst for not only RWGS but also other CO 2 conversion reactions.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:wly:greenh:v:4:y:2014:i:1:p:140-144

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