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Fuel v.212, 2018년, pp.12 - 18   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Influence of the addition of various ionic liquids on coal extraction with NMP

Sönmez, Özgür (Department of Chemistry, Faculty of Arts and Science, Mersin University, Ciftlikkoy Campus, Mersin, Turkey ) ; Yıldız, Özcan (Department of Chemistry, Faculty of Arts and Science, Mersin University, Ciftlikkoy Campus, Mersin, Turkey ) ; Çakır, Mehmet Özden (Department of Chemistry, Faculty of Arts and Science, Mersin University, Ciftlikkoy Campus, Mersin, Turkey ) ; Gözmen, Belgin (Department of Chemistry, Faculty of Arts and Science, Mersin University, Ciftlikkoy Campus, Mersin, Turkey ) ; Giray, E. Sultan (Department of Chemistry, Faculty of Arts and Science, Çukurova University, Adana, Turkey ) ;
  • 초록  

    Abstract In this work, two Turkish coals were extracted with N-methyl-2-pyrrolidone (NMP) and NMP containing a small amount of ionic liquids (ILs) under reflux conditions at atmospheric pressure. The effects of coal type, ionic liquid type, ionic liquid-to-coal ratio, and ultrasonic interactions on extraction yield were investigated. The ILs used were: 1-butyl-3-methylimidazolium chloride ([Bmim]Cl), 1-buty-4- methylpyridinium chloride ([Bmp]Cl), 1-ethyl-3-methylimidazolium chloride ([Emim]Cl), and 1-butyl-2,3-dimethylimidazolium chloride ([Bdmim]Cl). It was found that the extraction yield of coals using NMP/ILs varied with coal type, IL type and amount of IL. ILs were effective on the extraction of Afsin-Elbistan (AE) lignite, but not on the extraction of UzUlmez (UZ) coal. A significant increase in extraction yield for AE lignite was observed when a small amount of IL was added into NMP. It was determined that [Bmim]Cl was the most efficient IL used for the extraction of lignite compared to the others ILs used, and the extraction efficiency was found to increase by increasing the amount of ionic liquid added into NMP. Highlights Effect of addition of four different ionic liquids into NMP on the extraction yield of coal was investigated. Coal and ILs type affected the extraction yield. Adding ILs into NMP showed high performance for the extraction of lignite, but not effective for bituminous coal. [Bmim]Cl was a more efficient ILs for the extraction of lignite.


  • 주제어

    Coal .   Solvent extraction .   NMP .   Ionic liquids.  

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