| 초록 |
The high-temperature water-gas shift (HT-WGS: CO + H2O ↔ H2 + CO2) reaction has increased interest in relation to the generation of clean H2 from waste-derived syngas. The HT-WGS reaction is carbon monoxide (CO) conversion step to remove CO and to produce H2 from the syngas (H2 + CO). Fe/Cr catalyst has been used as a commercial catalyst for the HT-WGS reaction, but the environmental and health concerns related to hexavalent chrome (Cr6+) should be addressed. In this study, Fe-Cu-Al catalyst prepared by a facile co-precipitation method has been selected as one of the alternative catalyst because of its highly active and stable activity. However, the gap between laboratory evaluation and scale up is a major obstacle for the commercial application of the Cr-free catalyst. Thus, it is necessary to study about the significant parameter affecting the properties of the Fe-Cu-Al catalysts during the co-precipitation. The goal of this work is that we have prepared the Fe-Cu-Al catalyst with various solution compositions and compared its activity with the catalyst synthesized from the large-scale production. |
