Preparation of carbon microfibers from coal liquefaction residue

Preparation of carbon microfibers from coal liquefaction residue
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煤液化残渣制备碳微纤维

DOI:
10.1016/j.fuel.2008.05.017
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发表时间:
2008-11
期刊:
影响因子:
7.4
通讯作者:
Tsubaki, Noritatsu
Tsubaki, Noritatsu
中科院分区:
工程技术1区
文献类型:
--
作者:
Xiao, Nan;Zhao, Zongbin;Sun, Tianjun;Zhang, Yi;Qiu, Jieshan;Zhou, Ying;Sun, Yufeng;Tsubaki, Noritatsu

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采用电弧喷射等离子体法在常压下以煤液化残渣为原料直接合成了炭微纤维,并利用扫描电镜和能谱仪对炭微纤维进行了表征。结果表明,所合成的CMF表面光滑,直径小于1μm,中心在700nm处。根据碳纤维的特殊化学组成和工艺参数,提出并讨论了碳纤维形成过程中可能的机理。这一工作为直接有效地利用植物资源开辟了一条新的途径。
Carbon microfibers (CMFs) were synthesized directly from coal liquefaction residue (CLR) by arc-jet plasma method at atmospheric pressure, and were examined using scanning electron microscopy and EDX spectroscopy. It has been found that the as-synthesized CMFs are smooth in surface and quite uniform in diameter that is smaller than 1μm and centers at 700nm. The possible mechanism involved in the formation process of CMFs is proposed and discussed in terms of the special chemical composition of CLR and the process parameters. This work may open a new way for direct and effective utilization of the CLR.
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