Journal
CATALYSIS TODAY
Volume 136, Issue 3-4, Pages 228-234Publisher
ELSEVIER
DOI: 10.1016/j.cattod.2008.01.021
Keywords
steam reforming; n-hexadecane; Ni-based catalyst; noble metal-modified ni-based catalyst; hydrotalcite; carbon formation
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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 degrees 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. (C) 2008 Elsevier B.V. All rights reserved.
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