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- Lee, Jae Sung
- Eco-friendly Catalysis & Energy Lab.
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XAFS study of Mn-Ni/Al2O3 catalyst for carbon dioxide reforming of methane
- Alternative Title
- XAFS study of Mn-Ni/Al2O3 catalyst for carbon dioxide reforming of methane
- Author(s)
- Choi, Sun Hee, Seok, Seung-Ho, Lee, Jae Sung
- Issued Date
- 2001-03
- Citation
- JOURNAL OF SYNCHROTRON RADIATION, v.8, pp.596 - 598
- Abstract
- As an effective catalyst for carbon dioxide reforming of methane, manganese-promoted Ni/Al2O3 catalyst was studied with XAFS. The catalysts after the reduction above 1073 K contained the metallic nickel, and several phases of manganese were shown by XANES and EXAFS. Results of EXAFS curve fitting indicated that the surface of large metallic nickel particles was partly covered with patches of MnO and metallic Mn. Radial structure function (RSF) of Mn K-edge showed the peaks due to Mn-Ni scattering without Mn-Mn scattering, indicating that the metallic manganese was attached to nickel in a highly dispersed state. Separate manganese phase was also formed without interaction with nickel
- Publisher
- WILEY-BLACKWELL
- ISSN
- 0909-0495
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