What question did this study set out to answer?

To investigate how benzene co-feeding affects the hydrogenation of CO2 to propane.

June 3, 2026Applied Catalysis A General0 citationsOpen Access

Unravelling the Mechanism of Benzene Enhanced Hydrogenation of CO2 to Propane

RLRenzo A. LeeflangUniversity of Oxford JGJinxi GuoUniversity of Oxford ZFZixia FengHong Kong Polytechnic University

Key Points

To investigate how benzene co-feeding affects the hydrogenation of CO2 to propane.
Proposed method for hydrogenation at low temperatures (230-270 °C)
Benzene co-feeding strategy to improve propane yield
Analysis of product distribution between propane and other aliphatics
Benzene co-feeding significantly increases propane formation
Reduction of C1-2 and C4-6 aliphatics observed
Benzene anchors in-situ produced methanol, enhancing the aromatic hydrocarbon production cycle.

Abstract

• A method for the selective hydrogenation of CO 2 to propane at relatively low temperatures (230-270 °C) is proposed. • Benzene co-feeding is shown to significantly increase propane formation at the expense of C 1-2 and C 4-6 aliphatics. • Benzene co-feeding acts to anchor in-situ produced methanol intermediate promoting the aromatic HCP cycle.

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