| 초록 |
This talk addresses the low temperature thermochemical CO2/H2O splitting to CO/H2 by adopting the concept of chemical looping process. In a typical thermochemical CO2/H2O splitting reaction, the reduced oxides are utilized as oxygen carriers to reduce reactants into CO/H2O. The oxidized oxygen carriers are then thermally reduced subsequently for another splitting progress. However, since this thermal reduction process requires a high operation temperature over 1000 °C, the arrays of stable material selection are extremely limited and operation cost makes it hinder for application. Hence, this talk suggests a way to lower the operation temperature of thermochemical splitting reaction by utilizing reactant gases such as CH4 and H2 for reducing oxygen carriers. The reactant of CO2/H2O can be effectively converted into CO/H2 on the reduced oxygen carrier even at 500-850°C. |
