Steam reforming of n-hexadecane over noble metal-modified Ni-based catalysts |
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Authors: | Dae Hyun Kim Jung Shik Kang Yun Joo Lee Nam Kuk Park Young Chul Kim Suk In Hong Dong Ju Moon |
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Affiliation: | aClean Energy Research Center, Korea Institute of Science & Technology, Seoul 130 650, Republic of Korea;bDepartment of Chemical & Biological Engineering, Korea University, Seoul, Republic of Korea;cSchool of Applied Chemical Engineering, Chonnam University, Gwangju, Republic of Korea |
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Abstract: | Steam reforming of n-hexadecane, a main constituent of diesel, over noble metal-modified Ni-based hydrotalcite catalyst was carried out in a temperature range of 700–950 °C, at an atmospheric pressure with space velocity of 10,000–100,000 h−1 and feed molar ratio of H2O/C = 3.0. The catalysts were prepared by a co-precipitation and dipping methods. The noble metal-modified Ni-based hydrotalcite catalyst displayed higher resistance for the sintering of active metal than the Ni-based hydrotalcite catalyst prepared by the conventional method. It was found that the Rh-modified Ni-based catalysts showed high resistance to the formation of carbon compared to Ni-based catalysts. The results suggest that Rh-modified Ni-based catalyst can be applied for the steam reforming (SR) reaction of diesel. |
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Keywords: | Steam reforming n-Hexadecane Ni-based catalyst Noble metal-modified Ni-based catalyst Hydrotalcite Carbon formation |
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