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化工学报  2013 

离子液体支撑液膜的CO2/CH4分离性能

DOI: 10.3969/j.issn.0438-1157.2013.z1.016, PP. 111-117

Keywords: 离子液体,支撑液膜,CO2

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Abstract:

由于离子液体对CO2具有较好的溶解选择性,离子液体支撑液膜分离CO2越来越受到关注。比较了含3种不同阴离子的常规离子液体([bmim][BF4]、[bmim][PF6]、[bmim][Tf2N])作为支撑液膜的液膜相分离CO2/CH4的性能,考察了咪唑环上烷基链长对离子液体支撑液膜性能的影响。考虑向离子液体中引入胺基和羧基等亲CO2基团,制备了1-丁基-3-甲基咪唑丙氨酸离子液体([bmim][β-Ala]),考察了[bmim][β-Ala]支撑液膜分离CO2/CH4的性能,并对在CO2渗透测试前后的支撑液膜进行了FT-IR分析,发现氨基酸离子液体中的—NH2和CO2的较强作用以及该离子液体的高黏性影响了CO2的透过性,使[Bmim][β-Ala]支撑液膜的CO2透过率低。

References

[1]  Muldoon M J, Aki S N, Anderson J L, Dixon J K, Brennecke J F. Improving carbon dioxide solubility in ionic liquids[J].Journal of Physical Chemistry B, 2007, 111: 9001-9009
[2]  Bara J E, Gabriel C J, Lessmann S, Carlisle T K, Finotello A, Gin D L, Noble R D. Enhanced CO2 separation selectivity in oligo(ethylene glycol) functionalized room-temperature ionic liquids[J].Industrial & Engineering Chemistry Research, 2007, 46: 5380-5386
[3]  Mahurin S M, Lee J S, Baker G A, Luo H M, Dai S, Performance of nitrile-containing anions in task-specific ionic liquids for improved CO2/N2 separation[J]. Journal of Membrane Science, 2010, 353: 177-183
[4]  Fukumoto K, Yoshizawa M, Ohno H.Room temperature ionic liquids from 20 natural amino acids[J].Journal of the American Chemical Society, 2005, 127: 2398-2399
[5]  Zhang J M, Zhang S J, Dong K, Zhang Y Q, Shen Y Q, L? X M. Supported absorption of CO2 by tetrabutylphosphonium amino acid ionic liquids [J].Chemistry-A European Journal, 2006, 12: 4021-4026
[6]  Huddleston J G, Visser A E, Reichert W M, Willauer H D, Broker G A, Rogers R D. Characterization and comparison of hydrophilic and hydrophobic room temperature ionic liquids incorporating the imidazolium cation[J].Green Chemistry, 2001, 3: 156-164
[7]  Camper D, Bara J, Koval C, Noble R. Bulk-fluid solubility and membrane feasibility of Rmim-based room-temperature ionic liquids[J]. Industrial & Engineering Chemistry Research, 2006, 45: 6279-6283
[8]  Carlisle T K, Bara J E, Gabriel C J, Noble R D, Gin D L. Interpretation of CO2 solubility and selectivity in nitrile-functionalized room-temperature ionic liquids using a group contribution approach[J]. Industrial & Engineering Chemistry Research, 2008, 47: 7005-7012
[9]  Noda A. Pulsed-gradient spin-echo 1H and 19F NMR ionic diffusion coefficient,viscosity,and ionic conductivity of non-chloroaluminate room-temperature ionic liquids[J]. Journal of Physical Chemistry B,2001, 105: 4603-4610
[10]  Bara J E, Carlisle T K, Gabriel C J, Camper D, Finotello A, Gin D L, Noble R D. Guide to CO2 separations in imidazolium-based room-temperature ionic liquids[J]. Industrial & Engineering Chemistry Research, 2009, 48: 2739-2751
[11]  Okoturo O O, VanderNoot T J. Temperature dependence of viscosity for room temperature ionic liquids [J]. Journal of Electroanalytical Chemistry, 2004, 568:167-181
[12]  Jacquemin J, Gomes M C, Husson P, Majer V. Solubility of carbon dioxide, ethane, methane, oxygen, nitrogen, hydrogen, argon, and carbon monoxide in 1-butyl-3-methylimidazolium tetrafluoroborate between temperature 283 K and 343 K and at pressure close to atmosphic[J]. The Journal of Chemical Thermodynamics, 2006, 38: 490-502
[13]  Ahosseini A, Scurto A M. Viscosity of imidazolium-based ionic liquids at elevated pressures: cation and anion effects[J]. International Journal of Thermophysics, 2008, 29: 1222-1243
[14]  Harris K R, Kanakubo M, Woolf L A. Temperature and pressure dependence of the viscosity of the ionic liquids 1-methyl-3-octylimidazolium hexafluorophosphate and 1-methyl-3-octylimidazolium tetrafluoroborate [J]. Journal of Chemical and Engineering Data, 2006, 51: 1161-1167
[15]  Longinotti M P, Alvarez J L, Japas M L. Advantages of ion-based mole fractions for describing phase equilibria in ionic liquids:application to gas solubility[J]. Journal of Physical Chemistry B, 2009, 113: 3461-3468
[16]  Scovazzo P. Determination of the upper limits, benchmarks, and critical properties for gas separations using stabilized room temperature ionic liquid membranes (SILMs) for the purpose of guiding future research [J]. Journal of Membrane Science, 2009, 343: 199-211
[17]  Blanchard L A, Hancu D, Beckman E J, Brennecke J F. Green processing using ionic liquids and CO2[J]. Nature, 1999, 399: 28-29
[18]  Park Y I, Kim B S, Byun Y H, Lee S H, Lee E W. Preparation of supported ionic liquid membranes (SILMs) for the removal of acidic gases from crude natural gas[J]. Desalination, 2009, 236: 342-348
[19]  Scovazzo P, Kieft J, Finan D A, Koval C, DuBois D, Noble R.Gas separations using non-hexafluorophosphate [PF6]-anion supported ionic liquid membranes [J].Journal of Membrane Science, 2004, 238: 57-63
[20]  Scovazzo P, Havard D, McShea M, Mixon S, Morgan D. Long-term, continuous mixed-gas dry fed CO2/CH4 and CO2/N2 separation performance and selectivities for room temperature ionic liquid membranes[J].Journal of Membrane Science, 2009, 327: 41-48
[21]  Bates E D, Mayton R D, Ntai I, Davis J H.CO2 capture by a task-specific ionic liquid[J].Journal of the American Chemical Society, 2002, 124: 926-927
[22]  Myers C, Pennline H, Luebke D, Ilconich J, Dixon J K, Maginn E J, Brennecke J F. High temperature separation of carbon dioxide/hydrogen mixtures using facilitated supported ionic liquid membranes [J].Journal of Membrane Science, 2008, 322: 28-31
[23]  Baltus R E, Culbertson B H, Dai S, Luo H, DePaoli D W. Low-pressure solubility of carbon dioxide in room-temperature ionic liquids measured with a quartz crystal microbalance [J].Journal of Physical Chemistry B, 2004, 108: 721-727

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