水热法改性褐煤及含氧官能团与水相互作用的研究

刘红缨 郜翔 张明阳 朱彦敏 朱书全

引用本文: 刘红缨, 郜翔, 张明阳, 朱彦敏, 朱书全. 水热法改性褐煤及含氧官能团与水相互作用的研究[J]. 燃料化学学报, 2014, 42(3): 284-289. shu
Citation:  LIU Hong-ying, GAO Xiang, ZHANG Ming-yang, ZHU Yan-ming, ZHU Shu-quan. Study on lignite modified by hydrothermal and the interaction between the oxygen containing functional groups and water[J]. Journal of Fuel Chemistry and Technology, 2014, 42(3): 284-289. shu

水热法改性褐煤及含氧官能团与水相互作用的研究

    通讯作者: 刘红缨,女,博士,教授,主要从事洁净煤技术的研究。E-mail:lhying@cumtb.edu.cn;朱书全,男,博士,教授,主要水煤浆和低品质煤的研究。E-mail:zsq@cumtb.edu.cn; 刘红缨,女,博士,教授,主要从事洁净煤技术的研究。E-mail:lhying@cumtb.edu.cn;朱书全,男,博士,教授,主要水煤浆和低品质煤的研究。E-mail:zsq@cumtb.edu.cn
  • 基金项目:

    国家重点基础研究发展规划(973计划,2012CB214901) (973计划,2012CB214901)

    中央高校基本科研业务费专项基金资助。 

摘要: 利用水热法对蒙东褐煤进行了改性。通过微量热仪测定和分析了煤炭表面骨架大分子和各种官能团与水结合能的大小。结果表明,水热法改性后,褐煤中的羧基和羰基随温度升高显著降低,而羟基的变化比较复杂。计算得到了低阶煤中含氧官能团和煤炭表面骨架大分子亲水能力由大到小的顺序是羧基 >酚羟基 >羰基 >煤炭表面骨架大分子。

English

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  • 收稿日期:  2013-08-22
  • 网络出版日期:  2013-11-06
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