Production of Carbon Nanotubes from Polyethylene Pyrolysis Gas and Effect of Temperature

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Title: Production of Carbon Nanotubes from Polyethylene Pyrolysis Gas and Effect of Temperature
Authors: Arnaiz Arnaiz, Noelia | Gómez-Rico, María Francisca | Martín Gullón, Ignacio | Font, Rafael
Research Group/s: Residuos, Pirólisis y Combustión
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Química
Keywords: Carbon nanotubes | Polyethylene | Pyrolysis | Hydrocarbons | Hydrogen
Knowledge Area: Ingeniería Química
Issue Date: 9-Sep-2013
Publisher: American Chemical Society
Citation: Industrial & Engineering Chemistry Research. 2013, 52(42): 14847-14854. doi:10.1021/ie401688n
Abstract: Carbon nanotubes (CNTs) were produced by catalytic chemical vapor deposition using, as carbon source, a mixture of hydrocarbons and hydrogen that simulates the effluent gases from pyrolysis of polyethylene (PE). An Fe/Al3O3 catalyst was used in a range of temperatures from 600 to 800 °C. Multiwall carbon nanotubes of 20 nm in diameter and length on the order of micrometers were obtained. Higher yields were observed at 650 °C, where no prior catalyst reduction was necessary. Transmission electron microscopy, X-ray diffraction, and Raman spectrometry show a higher crystalline quality at 750 °C, although the balance yield–quality indicates that 650 °C is a satisfactory temperature for producing CNTs at a reasonable cost, since no extra hydrogen is necessary for the process. In addition to this, the effluent gas from the process can be further used for energy production.
Sponsor: The CTQ 2008-05520 project of the Spanish Ministry of Science and Innovation and Prometeo 2009/043/FEDER.
URI: http://hdl.handle.net/10045/40235
ISSN: 0888-5885 (Print) | 1520-5045 (Online)
DOI: 10.1021/ie401688n
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2013 American Chemical Society
Peer Review: si
Publisher version: http://dx.doi.org/10.1021/ie401688n
Appears in Collections:INV - REMAN - Artículos de Revistas

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