Experimental and molecular dynamics simulation study of the ionic liquids’ chain-length on wetting of bituminous coal

Controlling coal dust pollution is confronted with numerous challenges in the demanding environment of deep mining. Chemical additives, imidazolium ionic liquids (ILs), have been considered an effective strategy to boost the hydrophilicity of coal and reduce dust emissions. This work conducted exper...

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Bibliographic Details
Published in:Energy (Oxford) 2023-11, Vol.283, p.128507, Article 128507
Main Authors: Jiang, Bingyou, Ji, Ben, Yuan, Liang, Yu, Chang-Fei, Tao, Wenhan, Zhou, Yu, Wang, Haoyu, Wang, Xiao-Han, Liao, Maolin
Format: Article
Language:English
Subjects:
Chain-length
Coal dust
Ionic liquid
Molecular dynamics simulation
Wettability
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Summary:Controlling coal dust pollution is confronted with numerous challenges in the demanding environment of deep mining. Chemical additives, imidazolium ionic liquids (ILs), have been considered an effective strategy to boost the hydrophilicity of coal and reduce dust emissions. This work conducted experiments with molecular dynamics (MD) simulation to study the wetting characteristics of ILs ([Emim][Cl], [Bmim][Cl], and [Hmim][Cl]) with different chain-length on coal. The static wettability tests results indicated that the wettability of ILs was improved as the chain-length increased, and the wettability on bituminous coal followed the rule of water
ISSN:0360-5442
DOI:10.1016/j.energy.2023.128507