Journal
FUEL PROCESSING TECHNOLOGY
Volume 122, Issue -, Pages 49-57Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fuproc.2014.01.016
Keywords
Fischer-Tropsch synthesis; Cobalt catalyst; N-doped CNTs; Acid treatment
Funding
- National Natural Science Foundation of China [21076151]
- New Century Excellent Talents in University Chinese Ministry of Education [NCET-06-0239]
- Program of Introducing Talents of Discipline to Universities [B06006]
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Nitrogen-doped carbon nanotubes (NCNTs) were acid treated and used as a support for Co catalysts. The effect of acid treatment time on the carbon structure, surface properties and the microstructure of Co catalysts was extensively characterized by BET, XRD, TPR, XPS, TEM and Raman spectroscopy. It was found that acid treatment affected the support structure, the Co reducibility, the Co dispersion and the Fischer-Tropsch (FT) synthesis performance significantly. The graphitization degree, cobalt particle size, cobalt particle location and the number of active sites determined the FT synthesis performance of the Co catalysts. (C) 2014 Elsevier B.V. All rights reserved.
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