Synthesis of ionic liquids based on alkylimidazolium salts and their coal dissolution and dispersion properties

Jin Won Kim; Dongjin Kim; Choon Sup Ra; Gi Bo Han; No-Kuk Park; Tae Jin Lee; Misook Kang

Journal of Industrial and Engineering Chemistry, Vol.20, No.2, 372-378, March, 2014

DOI10.1016/j.jiec.2013.04.039 Export Citation

Synthesis of ionic liquids based on alkylimidazolium salts and their coal dissolution and dispersion properties

Jin Won Kim, Dongjin Kim, Choon Sup Ra, Gi Bo Han¹, No-Kuk Park², Tae Jin Lee², and Misook Kang^†

Department of Chemistry, College of Science, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea
¹Plant Engineering Center, Institute for Advanced Engineering, Cheoin-Gu, Yongin, Gyeonggi 449-863, Republic of Korea
²School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea

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A series of new bis (imidazolium) cation-based ionic liquids, wherein two imidazole rings are tethered by alkyl ether chains (oxygen numbers) of different lengths, were prepared, and their coal dissolution and dispersion properties were studied. It was found these ionic liquids can be used to fragment, disperse, and partially dissolve micrometer-size coal particles by simply mixing ionic liquid/coal dispersions. Dissolution performances and light hydrocarbon production were found to be sensitively increased by increasing the lengths of alkyl ether chains between imidazolium rings.

Keywords:Coal;Dissolution;Ionic liquids;Imidazolium rings;Tosylate anion

[References]

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Begtrup MJ, Chem. Soc., 521 (1979)
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Kowalczyk P, Gun'ko VM, Terzyk AP, Gauden PA, Rong HQ, Ryu ZY, Do DD, Appl. Surf. Sci., 206(1-4), 67 (2003)
Li Y, Zhang XP, Lai SY, Dong HF, Chen XL, Wang XL, Nie Y, Sheng Y, Zhang SJ, Fuel, 94(1), 617 (2012)

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[2] Mayra YM, Romano D, Synthesis, 15, 2473 (2005)

[3] Oertel AM, Ritleng V, Burr L, Chetcuti MJ, Organometallics, 30, 6685 (2011)

[4] Kan HC, Tseng MC, Chu YH, Tetrahedron, 63, 1644 (2007)

[5] Wang LY, Xu YL, Jiang SG, Yu MG, Chu TX, Zhang WQ, Wu ZY, Kou LW, Safety Science, 50, 1528 (2012)

[6] Wang LY, Jiang SG, Xu YL, Zhang WQ, Kou LW, Wu ZY, Chu TX, Procedia Engineering, 26, 647 (2011)

[7] Frank W, Loredana-Nicoleta T, Frank M, Thermochim. Acta, 528, 76 (2012)

[8] Lu B, Yi L, Haifeng D, Xiangping Z, Fuel Process. Technol. (2012)

[9] Jain N, Kumar A, Chauhan S, Chauhan SMS, Tetrahedron, 61, 1015 (2005)

[10] Priyanto U, Sakanishi K, Okuma O, Mochida I, Fuel Process. Technol., 79(1), 51 (2002)

[11] Ahmad I, Khan MA, Shakirullah M, Ishaq M, Ahmad R, Rehman HU, Rehman SU, Energy Conv. Manag., 48(9), 2502 (2007)

[12] Hu H, Bai J, Guo S, Chen G, Fuel, 81, 11 (2012)

[13] Bara JE, Ind. Eng. Chem. Res., 50(24), 13614 (2011)

[14] Begtrup MJ, Chem. Soc., 521 (1979)

[15] Papaiconomou N, Salminen J, Lee JM, Prausnitz JM, J. Chem. Eng. Data, 52(3), 833 (2007)

[16] Bonger KM, van den Berg, Richard JBHN, Heitman LH, IJzerman AP, Oosterom J, Tinners CM, Overkleeft HS, van cer Marel GA, Bioorg. Med. Chem. Lett., 15, 4841 (2007)

[17] Chen Y, Wetzel T, Aranovich GL, Donohue MD, J. Colloid Interface Sci., 300(1), 45 (2006)

[18] Kowalczyk P, Gun'ko VM, Terzyk AP, Gauden PA, Rong HQ, Ryu ZY, Do DD, Appl. Surf. Sci., 206(1-4), 67 (2003)

[19] Li Y, Zhang XP, Lai SY, Dong HF, Chen XL, Wang XL, Nie Y, Sheng Y, Zhang SJ, Fuel, 94(1), 617 (2012)