Conversion of CO₂ to Multi-carbon Compounds over a CoCO₃ Supported Ru-Pt Catalyst Under Mild Conditions

Abstract

The catalytic hydrogenation of CO₂ to multi-carbon compounds under mild conditions would not only provide value-added products, but also benefit for the reduction of CO₂ emission if hydrogen derives from renewable energy sources. Herein, we report CoCO₃ supported Ru and Pt nano-particles, which could catalyze hydrogenation of CO₂ to produce higher hydrocarbons(C₂-C₂₆) and higher alcohols(C₂OH-C₆OH) at low temperatures of 80–130 °C. The selectivity for C₂₊ compounds reached 81.1% at 80 °C, which was the highest value reported so far. This work provides a promising catalyst for highly selective converting CO₂ and H₂ to C₂₊ compounds at low temperatures.

Keywords

Heterogeneous catalyst / Carbon dioxide / Hydrogenation reaction / Cobalt carbonate / Multi-carbon compound

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