Effects of [Bmim][Cl] ionic liquid with different concentrations on the functional groups and wettability of coal |
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| Authors: | Ni Guanhua Li Zhao Sun Qian Li Shang Dong Kai |
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| Affiliation: | State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China;College of Mining and Safety Engineering, Shandong University of Science and Technology, Qingdao 266590, China |
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| Abstract: | In view of high dust concentration in coal mining and difficulty of traditional water injection in coal wetting, the effects of [Bmim][Cl] (1-butyl-3-methylimidazole chloride) ionic liquid with different concentrations on wetting performance and functional groups of coals have been studied. Optical droplet morphology analysis system and FTIR (Fourier transform infrared spectrometer) were used. The results showed that coal samples treated with [Bmim][Cl] ionic liquid had a significant change in the content of aliphatic groups. In the coal samples treated with 0% concentration [Bmim][Cl], the content of  | |
| Keywords: | Ionic liquid Functional groups Coal Wettability Dust control |
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