| 초록 |
Liquid fossil fuels such as gasoline, diesel, and jet fuel account for more than 96 % of the current energy supply to the transport sector. Consequently, CO2 emissions from using these fuels have led to serious global warming problems. The catalytic process of converting CO2 back to liquid fuel can be an important solution to solve global warming and environmental problems. Compared to CO-FT synthesis, CO2 hydrogenation for the production of high-molecular-weight liquid fuels is much more difficult. The conversion of CO2 to long-chain hydrocarbons is a series reaction via the RWGS reaction to produce reactive CO. Long-chain hydrocarbons are then produced through typical CO-FT synthesis and isomerisation reactions. The activity of CO2 hydrogenation is controlled by the rate determining step of the chain growth reaction, which is limited by a low concentration of CO (the main chain growth agent) during the reaction. Moreover, RWGS generates water, an undesirable by-product that deactivates the catalyst. In this presentation, a one-pot catalyst performs both reaction in a sequence, and produces C5+ hydrocarbons with high CO2 conversion rate. |
