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Journal of Thermal Analysis and Calorimetry

, Volume 132, Issue 3, pp 1943–1951 | Cite as

Inhibition ability of ionic liquid [Bmim][NO3], [Bmim][BF4], and [Emim][BF4] on spontaneous coal combustion

Article
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Abstract

From TG result, [Bmim][BF4] has the best inhibition ability of spontaneous coal combustion to delay the initial temperature, maximum temperature, and final temperature of mass loss with oxidation process on lignite and long flame coal. Cation of ionic liquid (IL) is the critical factor of the oxidation reaction on lignite, and [Bmim]+ can destroy the structure of long flame coal. According to FTIR results, ILs can effectively decrease the easily oxidized functional group on lignite, and the removed ability is [Bmim][BF4] > [Emim][BF4] > [Bmim][NO3]. [Emim][BF4] has the best performance of removed ability on long flame coal. ILs as a green inhibitor and new way is applied to prevent fire in coal industries.

Keywords

Clean inhibitor Spontaneous coal combustion Ionic liquid Functional group Inhibition ability 

Notes

Acknowledgements

The Project Supported by China Postdoctoral Science Foundation (No. 2017M623181) and the Key Research and Development Program of Shaanxi Province (2017ZDXM-SF-092) is also gratefully acknowledged.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.Shaanxi Key Laboratory of Prevention and Control of Coal Fire, School of Safety Science and EngineeringXi’an University of Science and TechnologyXi’anChina
  2. 2.School of Chemical Engineering and TechnologyXi’an Jiaotong UniversityXi’anChina

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