Synthesis of carbon nanostructures by the pyrolysis of wood sawdust in a tubular reactor

被引：48
|
作者：
Sebag Bernd, Maria G. [1 ]
Braganca, Saulo R. [1 ]
Heck, Nestor [1 ]
da Silva Filho, Luiz C. P. [1 ]
机构：
[1] Fed Univ Rio Grande do Sul UFRGS, Postgrad Course Mines Met & Mat PPGEM, Porto Alegre, RS, Brazil
来源：
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2017年 / 6卷 / 02期
关键词：
Carbon nanostructures; Tubular reactor; Wood pyrolysis; Thermodynamic simulation; HYDROTHERMAL CARBONIZATION; NANOTUBES;
D O I：
10.1016/j.jmrt.2016.11.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Carbon nanostructures were produced by wood sawdust pyrolysis. The results obtained revealed that the thermodynamic simulations (FactSage) were successful to predict the best reaction conditions for the synthesis of carbon, and potentially carbon fibers and nanotubes production. Graphite formation was indicated by XRD study, and by thermal analysis which presented the carbon oxidation range. The morphology of the samples (SEM/TEM analysis) showed carbon nanotubes/nanofibers varying in size and thickness, with defects and flaws. The tubular reactor was considered to be an economic and environmental correct way to nanomaterials growing, with the simultaneous generation of hydrogen and lower pollutant gas emissions.(C) 2016 Brazilian Metallurgical, Materials and Mining Association. Published by Elsevier Editora Ltda. This is an open access article under the CC BY-NC-ND license
引用
收藏
页码：171 / 177
页数：7
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