Synthesis of Carbon Nanotubes from Benzene in a Fluidised Bed Reactor

G. T. Smagulova; B. B. Kaidar; N. Yesbolov; N. G. Prikhodko; N. R. Maxumzhanova

doi:10.18321/ectj982

Authors

G. T. Smagulova Institute of Combustion Problems, Bogenbay batyr st., 172, Almaty, Kazakhstan; al-Farabi Kazakh National University, Al-Farabi ave., 71, Almaty, Kazakhstan
B. B. Kaidar Institute of Combustion Problems, Bogenbay batyr st., 172, Almaty, Kazakhstan; al-Farabi Kazakh National University, Al-Farabi ave., 71, Almaty, Kazakhstan
N. Yesbolov Institute of Combustion Problems, 172 Bogenbai batyr str., Almaty, Kazakhstan; al-Farabi Kazakh National University, 71 al-Farabi str., Almaty, Kazakhstan
N. G. Prikhodko Institute of Combustion Problems, Bogenbay batyr st., 172, Almaty, Kazakhstan; Almaty University of Energetics and Communications, Baityrsynov st., 126/1, Almaty, Kazakhstan
N. R. Maxumzhanova al-Farabi Kazakh National University, Al-Farabi ave., 71, Almaty, Kazakhstan

DOI:

https://doi.org/10.18321/ectj982

Keywords:

carbon nanotubes, benzene, chemical vapor deposition, fluidised bed reactor, carbon framework structure

Abstract

The paper presents the results of carbon nanotubes synthesis from benzene in fluidised bed reactor. Al₂O₃ spheres with iron and nickel nanoparticles coating were used as a catalyst for the synthesis of carbon nanotubes. To deposit nickel nanoparticles on the surface of Al₂O₃ spheres, the method of solution combustion was used. Optimum temperature conditions and gas flow rates were worked out for each of the catalysts. It was found that the best efficiency in the synthesis of carbon nanotubes from benzene is shown by catalysts based on aluminium oxide coated with iron. The obtained carbon nanotubes were studied by scanning electron microscopy and Raman spectroscopy. It was found that at temperatures above 850 °C from benzene on Al₂O₃ spheres with Ni/NiO, carbon frame structures are formed.

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