| 학회 | 한국화학공학회 |
| 학술대회 | 2020년 가을 (10/14 ~ 10/16, e-컨퍼런스) |
| 권호 | 26권 1호, p.847 |
| 발표분야 | 촉매 및 반응공학 |
| 제목 | Controlling Surface Morphology of Core-Shell Al@γ-Al2O3 Nanoparticles for Acid Catalysts |
| 초록 | Gamma alumina (γ-Al2O3) is mainly used to heterogeneous catalyst support, but it could be used to an acid catalyst also, because of its Lewis acid sites and BrØnsted acid sites. Core-shell Al@γ-Al2O3 nanoparticle could be synthesized by two steps : fabrication of Al@γ-AlOOH (boehmite) by surface oxidation of aluminum metal powder and calcination. Boehmite, is the primary precursor for the preparation of alumina, having different morphologies could be fabricated with hydrothermal reaction conditions. The boehmites’ particle morphologies could be controlled to 3D nano-hexahedron, 2D nanoplate, and 1D nanorod, depending on hydrothermal reaction conditions without additives, with ammonium chloride and magnesium chloride, respectively. And the alumina with different morphologies originated from the boehmite have different crystal facet ratio. In this research, performance as an acid catalyst of the Al@γ-Al2O3 with different crystal ratio was evaluated by using ethanol dehydration. This research was supported by X-mind Corps program of National Research Foundation of Korea(NRF) funded by the Ministry of Science, ICT (NRF-2017H1D8A1030582) |
| 저자 | 한도현, 황인하, 정유진, 백지훈, 이두환 |
| 소속 | 서울시립대 |
| 키워드 | 촉매 |
| 원문파일 | 초록 보기 |
