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化工学报  2015 

PEG基功能化离子液体的脱硫性能

DOI: 10.11949/j.issn.0438-1157.20141935, PP. 332-337

Keywords: 离子液体,SO2,吸收,解吸,循环利用,物性

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Abstract:

合成一系列含有长醚链的PEG基咪唑对甲苯磺酸盐(PEG基功能化离子液体),检测其脱硫与再生性能,并测定其脱硫过程中物性(密度、黏度和表面张力)变化。结果表明,PEG基功能化离子液体具有良好的脱硫与再生性能,而且该离子液体的脱硫性能随醚链增长而增强,20℃时SO2与离子液体摩尔比达到5.51以上,吸收的SO2在80℃条件下可彻底解吸。由1HNMR图谱和Raman光谱分析结果表明,PEG基咪唑功能化离子液体对SO2的吸收为物理吸收。脱硫后的PEG基功能化离子液体密度增大,表面张力减小,黏度较脱硫之前显著降低。

References

[1]  Environmental Protection Agency (EPA). Primary National Ambient Air Quality Standard for Sulfur Dioxide (Final Rule)[R]. Washington: EPA, 2010.
[2]  Rogers R K, Seddon K R. Ionic Liquids: Industrial Applications to Green Chemistry[M]. Washington: American Chemical Society, 2002.
[3]  Rogers R D, Seddon K R. Ionic Liquids as Green Solvents: Progress and Prospects[M]. Washington: American Chemical Society, 2003.
[4]  Bates E D, Mayton R D, Ntai I, Davis J H. CO2 capture by a task-specific ionic liquid [J]. J. Am. Chem. Soc., 2002, 124: 926-927.
[5]  Greaves T L, Drummond C J. Protic ionic liquids: properties and applications [J]. Chem. Rev., 2007, 108: 206-237.
[6]  Wu W Z, Han B X, Gao H X, Liu Z M, Jiang T, Huang J. Desulfurization of flue gas: SO2 absorption by an ionic liquid [J]. Angew. Chem. Int. Ed., 2004, 43: 2415-2417.
[7]  Anderson J L, Dixon J K, Maginn E J, Brermecke J F. Measurement of SO2 solubility in ionic liquids [J]. J. Phys. Chem. B, 2006, 110: 15059- 15062.
[8]  Yuan X L, Zhang S J, Lv X M. Hydroxyl ammonium ionic liquids: synthesis, properties and solubility of SO2 [J]. J. Chem. Eng. Data, 2007, 2: 596-599.
[9]  Shang Ying, Li Hongping, Zhang Suojiang, Xu Hui, Wang Zanxia, Zhang Li, Zhang Jianmin. Guanidinium-based ionic liquids for sulfur dioxide sorption [J]. Chem. Eng. J., 2011, 175: 324-329.
[10]  Zhai Linzhi Zhai, Zhong Qin, He Chuan, Wang Juan. Hydroxyl ammonium ionic liquids synthesized by water-bath microwave: synthesis and desulfurization [J]. J. Hazard. Mater., 2010, 177: 807-813.
[11]  Ren Shuhang, Hou Yucui, Wu Weize, Chen Xiaoting, Fan Jinlong, Zhang Jianwei. Effect of H2O on the desulfurization of simulated flue gas by an ionic liquid [J]. Ind. Eng. Chem. Res., 2009, 48: 4928-4932.
[12]  Ando R A, Siqueira L J A, Bazito F C, Torresi R M, Santos P S. The sulfur dioxide-1-butyl-3-methylimidazolium bromide interaction: drastic changes in structural and physical properties [J]. J. Phys. Chem. B, 2007, 111: 8717-8719.
[13]  Wang C, Cui G, Luo X, Xu Y, Li H, Dai S. Highly efficient and reversible SO2 capture by tunable azole-based ionic liquids through ultiple-site chemical absorption [J]. J. Am. Chem. Soc., 2011, 133: 11916-11919.
[14]  Cui G K, Wang C M, Zheng J J, Guo Y, Luo X Y, Li H R. Highly efficient SO2 capture by dual functionalized ionic liquids through a combination of chemical and physical absorption [J]. Chem. Commun., 2012, 48: 2633-2635.
[15]  Schrekker H S, Silva D O, Gelesky M A, Stracke M P, Schrekker C M L, Goncalves R, Dupont J. Preparation, cation-anion interactions and physicochemical properties of ether-functionalized imidazolium ionic liquids [J]. J. Braz. Chem. Soc., 2008, 19: 426-433.
[16]  Wang J Y, Chen Y, Zhang L Z, Liu C, Hu Y Q. Thermodynamic properties of PEG-based functionalized imidazolium toluenesulfonates ionic liquids [J]. J. Mol. Liquids, 2015, 204: 39-43.
[17]  Anderson J L, Ding R, Ellern A, Armstrong D W. Structure and properties of high stability geminal dicationic ionic liquids [J]. J. Am. Chem. Soc., 2005, 127: 593-604.
[18]  Huang J, Riisager A, Rolf W B. Tuning ionic liquids for high gas solubility and reversible gas sorption [J]. J. Mol. Catal. A: Chem., 2008, 2: 170-176.
[19]  Hong S Y, Im J, Palgunadi J, Lee S D, Lee J S, Kim H S, Cheong M, Jung K D. Ether-functionalized ionic liquids as highly efficient SO2 absorbents [J]. Energy Environ. Sci., 2011, 4: 1802-1806.
[20]  Zhai Linzhi(翟林智), Zhong Qin(钟秦), Du Hongcai(杜红彩), He Chuan(何川), Wang Juan(王娟). Synthesis of hydramine ionic liquids and flue gas desulphurizatio [J]. CIESC Journal (化工学报), 2009, 60(2): 450-454.
[21]  Huang J, Riisager A, Wasserscheid P, Fehrmann R. Reversible physical absorption of SO2 by ionic liquids [J]. Chem. Commun., 2006, 38: 4027-4029.
[22]  McCrary P D, Beasley P A, Gurau G, Narita A, Barber P S, Cojocaru O A, Rogers R D. Drug specific, tuning of an ionic liquid's hydrophilic-lipophilic balance to improve water solubility of poorly soluble active pharmaceutical ingredients [J]. New J. Chem., 2013, 37: 2196-2202.

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