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首页> 外文会议>International Symposium on Mine Safety Science and Engineering >Effect of Imidazolium Based Ionic Liquids on Coal Exothermic Oxidation by Thermal Analysis Experiments
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Effect of Imidazolium Based Ionic Liquids on Coal Exothermic Oxidation by Thermal Analysis Experiments

机译：基于咪唑鎓离子液体对热分析实验的煤放热氧化的影响

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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, [AOEmirn][BF4], [HOEmim][BF4], [Amim][Cl], [Emim][AC], [Bmim][AC] and [Bmim][OTfJ 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 [AOEmim][BF4] and [Amim][Cl] pretreated coals. While, the [HOEmim][BF4], [Emim][AC], [Bmim][AC] and [Bmim][OTf] 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 [AOEmim][BF4] and [Amim][Cl] ionic liquids. Ionic liquid with a large anion and a cation substituted by simple chains and will improve the ionic liquid's destroying ability for coal's chemical structures.
机译：为了研究离子液体（IL）对煤的氧化抑制作用，本文成功地使用了六种咪唑基离子液体，[Aoemirn] [BF4]，[Hoemim] [BF4]，[Amim] [Cl]，[ emim] [ac]，[bmim] [ac]和[bmim] [otfj溶解和分散煤。通过同时热分析仪单独测试原煤的放热氧化和ILS预处理的氧化剂。测试结果表明，[Aoemim] [BF4]和[Amim] [Cl]预处理煤中还剩有更多的活性组。虽然[hoemim] [bf4]，[emim] [bmim]，[bmim] [ac]和[bmim] [aci]预处理煤损失较少的质量比，该过程短，表明这四种离子液体溶解或摧毁更活跃的煤群，并抑制煤氧化比[Aoemim] [BF4]和[Amim] [Cl]离子液体更好。离子液体具有大阴离子的大阴离子和由简单链取代的阳离子，并改善离子液体的煤化学结构的破坏能力。

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