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Utilization of compressed natural gas for the production of carbon nanotubes 被引量:2

Utilization of compressed natural gas for the production of carbon nanotubes
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摘要 The present work aims at utilizing compressed natural gas (CNG) as carbon source for the synthesis of carbon nanotubes (CNTs) over CoO-MoO/Al2O3 catalyst via catalytic chemical vapor deposition (CCVD) method. The as-produced carbonaceous product was characterized by thermal gravimetric analyzer (TGA), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Raman spectroscopy. The experimental finding shows that CNTs were successfully produced from CNG while carbon nanofibers (CNFs) were formed as the side products. In addition, the catalytic activity and lifetime were found sustained and prolonged, as compared with using high purity methane as carbon source. The present study suggests an alternative route which can effectively produce CNTs and CNFs using low cost CNG. The present work aims at utilizing compressed natural gas (CNG) as carbon source for the synthesis of carbon nanotubes (CNTs) over CoO-MoO/Al2O3 catalyst via catalytic chemical vapor deposition (CCVD) method. The as-produced carbonaceous product was characterized by thermal gravimetric analyzer (TGA), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Raman spectroscopy. The experimental finding shows that CNTs were successfully produced from CNG while carbon nanofibers (CNFs) were formed as the side products. In addition, the catalytic activity and lifetime were found sustained and prolonged, as compared with using high purity methane as carbon source. The present study suggests an alternative route which can effectively produce CNTs and CNFs using low cost CNG.
出处 《Journal of Natural Gas Chemistry》 EI CAS CSCD 2012年第6期620-624,共5页 天然气化学杂志(英文版)
基金 supported by the Universiti Sains Malaysia under the Research University Grant Scheme(Project A/C No.814004) USM-RU-PRGS(Project A/C No.8032038) the Malaysian Technology Development Corporation (MTDC) under the Commercialization of Research & Development Fund(CRDF)(MBF065-USM/05)
关键词 compressed natural gas carbon nanotubes carbon nanofibers catalytic chemical vapor deposition compressed natural gas carbon nanotubes carbon nanofibers catalytic chemical vapor deposition
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