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Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received November 25, 2002
Accepted January 22, 2003

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Synthesis and Catalytic Application of Ni-Supported Carbon Nanotubes for n-Heptane Cracking

Zhang AM Han DC Zhu ZQ Lee JW Rhee HK

Korean Journal of Chemical Engineering, July 2003, 20(4), 649-652(4), 10.1007/BF02706902

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Abstract

Carbon nanotubes were synthesized by chemical vapor deposition and subsequently purified and oxidized by repeated treatment with nitric acid. After acid treatment the walls of carbon nanotubes became thinner and the surface area increased. The Ni-supported carbon nanotubes prepared by impregnation were applied to the cracking of n-heptane to show an excellent activity. This indicates that the carbon nanotubes can serve as a good catalyst support with high dispersion of metallic components. The optimum Ni loading turned out to be about 5.2 mmol/g. The cracking_x000D_ product was found to contain mainly small hydrocarbons; thus the Ni-supported carbon nanotubes may be applied as a potential catalyst to the cracking of heavy hydrocarbons.

Keywords

Carbon Nanotubes Ni-Loaded Catalyst Catalytic Application n-Heptane Cracking

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