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13C固体核磁共振分析煤中含氧官能团的研究

王永刚 ,  周剑林 ,  陈艳巨 ,  胡秀秀 ,  张书 ,  林雄超

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引用本文: 王永刚, 周剑林, 陈艳巨, 胡秀秀, 张书, 林雄超. 13C固体核磁共振分析煤中含氧官能团的研究[J]. 燃料化学学报, 2013, 41(12): 1422-1426. shu
Citation:  WANG Yong-gang, ZHOU Jian-lin, CHEN Yan-ju, HU Xiu-xiu, ZHANG Shu, LIN Xiong-chao. Contents of O-containing functional groups in coals by 13C NMR analysis[J]. Journal of Fuel Chemistry and Technology, 2013, 41(12): 1422-1426. shu

13C固体核磁共振分析煤中含氧官能团的研究

    通讯作者: 王永刚（1960- ），男，教授，主要研究方向为煤化学及煤的转化利用。Tel：010-62339882，E-mail：wyg1960@126.com。
  • 基金项目:

    国家自然科学基金（21076222）。 

摘要: 采用 13C交叉极化/魔角旋转-核磁共振（13C CP/MAS NMR）技术对四种煤进行分析，结合化学分析方法，考察了含氧官能团的分布规律，尤其是非活性醚键的含量。结果表明，13C CP/MAS NMR方法可以定量分析煤中部分含氧官能团，四种煤中羧基和羰基的含量分别为0.00~1.41和0.45~1.91 mol/kg；13C CP/MAS NMR与化学分析方法结合，可以定量解析煤中非活性醚键的含量，四种煤的醚键含量值为5.33~10.54 mol/kg，而活性醚键含量仅为0.04~0.13 mol/kg，煤中醚键的赋存状态以非活性醚键为主。

English

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  • 收稿日期:  2013-04-16
  • 网络出版日期:  2013-08-23
通讯作者: 陈斌, bchen63@163.com
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