Effect of Imidazolium Based Ionic Liquids on Coal Exothermic Oxidation by Thermal Analysis Experiments

摘要：

In order to study the oxidation-inhibiting effect of ionic liquid (IL) on coal, this paper successfully used six imidazolium based ionic liquids, AOEmimBF4, HOEmimBF4, AmimCl, EmimAC, BmimAC and BmimOtf to dissolve and disperse coal. The exothermic oxidation of the raw coal and those pretreated by Ils were separately tested by Simultaneous Thermal Analyzer. The tested results show that there were more active groups left in the AOEmimBF4 and AmimCl pretreated coals. While, the HOEmimBF4, EmimAC, BmimAC and BmimOtf pretreated coals lost less mass ratio and the process was short, which shows that these four ionic liquids dissolved or destroyed more active groups of coal and inhibited the coal oxidation better than the AOEmimBF4 and AmimCl ionic liquids. Ionic liquid with a large anion and a cation substituted by simple chains and will improve the ionic liquids destroying ability for coals chemical structures.

关键词： imidazolium based ionic liquids coal dissolution exothermic oxidation

作者: Wang Lan-yun Jiang Shu-guang Xu Yong-liang Zhang Wei-qing Kou Li-wen Wu Zheng-yan Chu Ting-xiang

作者单位: Henan Polytechnic University, School of Safety Science and Engineering. JiaoZuo, 454003, China State State Key Laboratory of Coal Resources and Mine Safety, China University of Mining and Technology, X Henan Polytechnic University, School of Safety Science and Engineering. JiaoZuo, 454003, China

会议类型: 国际会议

会议名称: The First International Symposium on Mine Safety Science and Engineering (首届矿山安全科学与工程学术会议)

会议地点: 北京

会议语种:英文

页码: 667-671

在线出版日期: 2011-10-27（万方平台首次上网日期，不代表论文的发表时间）