The K-Co promoted In 2O 3 with an optimum K and Co of 2.5 and 5.0 wt% achieves a high C 2+OH space time yield of 169.6 g kg cat −1h −1 with the excellent C 2+OH distribution of 87.4% in the total alcohols, while a very low space time yield of C 2+OH (0.4 g kg cat −1h −1) is obtained over In 2O 3 promoted with 5 wt% Co. Here we report a novel K-Co promoted In 2O 3 catalyst for CO 2 hydrogenation to higher alcohols. However, low activity of existing catalysts is a barrier for such processes to reach the industrial level. The use of CO 2 to produce higher alcohols is a promising route to reduce emissions and make a profit.
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