全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
化工学报  2015 

氨丙基离子液体水溶液CO2吸收特性及计算模型

DOI: 10.11949/j.issn.0438-1157.20150732, PP. 238-243

Keywords: 离子液体,水溶液,水含量,二氧化碳,吸收性能

Full-Text   Cite this paper   Add to My Lib

Abstract:

氨丙基功能型离子液体对CO2具有良好的选择吸收特性,以[APMim]Br离子液体水溶液体系为例,在有效吸收(水含量大于55%)区间,水含量对CO2的化学吸收和物理吸收都具有显著影响。依据[APMim]Br水溶液在278.15~348.15K,0.1~4.5MPa,水质量分数为55.90%、64.50%、76.80%和85.80%范围的CO2吸收特性数据,对溶液体系的化学吸收和物理吸收模型进行分析研究,获得两种吸收机理的数学表达,并对实验数据进行回归分析,得到能够正确反映化学吸收和物理吸收的计算模型。结果表明,低压下化学吸收占主导作用,随水含量增大,溶液体系对CO2吸收能力成倍增加,而且产生的物理吸收效应远大于离子液体本身的化学吸收能力。水的质量分数在0.65~0.85区间,[APMim]Br水溶液在相当大的温度和压力范围内具有优良的CO2吸放气特性,显示出良好的工程应用前景。

References

[1]  Energy Information Administration.International energy outlook[R].Washington,D.C.:Energy Information Administration,2008.
[2]  Blanchard L A,Gu Zhiyong,Brennecke J F.High-pressure phase behavior of ionic liquid/CO2 systems[J].The Journal of Physical Chemistry B,2001,105(12):2437-2444.
[3]  Huang Junhua,Rüther T.Why are ionic liquids attractive for CO2 absorption[J].Australian Journal of Chemistry,2009,62(4):298-308.
[4]  Blanchard L A,Hancu D,Beckman&Amp E J,et al.Green processing using ionic liquids and CO2[J].Nature,1999,399(6731):28-29.
[5]  Jacquemin J,Husson P,Majer V,et al.Influence of the cation on the solubility of CO2 and H2 in ionic liquids based on the bis(trifluoromethylsulfonyl)imide anion[J].Journal of Solution Chemistry,2007,36(8):967-979.
[6]  Hong G,Jacquemin J,Deetlefs M,et al.Solubility of carbon dioxide and ethane in three ionic liquids based on the bis{(trifluoromethyl)sulfonyl}imide anion[J].Fluid Phase Equilibria,2007,257(1):27-34.
[7]  Pérez-Salado Kamps á,Tuma D,Xia Jianzhong,et al.Solubility of CO2 in the Ionic Liquid[bmim] [PF6] [J].Journal of Chemical & Engineering Data,2003,48(3):746-749.
[8]  Husson-Borg P,Majer V,Costa Gomes M F.Solubilities of oxygen and carbon dioxide in butyl methyl imidazolium tetrafluoroborate as a function of temperature and at pressures close to atmospheric pressure[J].Journal of Chemical & Engineering Data,2003,48(3):480-485.
[9]  Baltus R E,Culbertson B H,Dai Sheng,Luo Huimin,et al.Low-pressure solubility of carbon dioxide in room-temperature ionic liquids measured with a quartz crystal microbalance[J].The Journal of Physical Chemistry B,2004,108(2):721-727.
[10]  Muldoon M J,Aki S N,Anderson J L,et al.Improving carbon dioxide solubility in ionic liquids[J].The Journal of Physical Chemistry B,2007,111(30):9001-9009.
[11]  Shariati A,Peters C J.High-pressure phase equilibria of systems with ionic liquids[J].The Journal of Supercritical Fluids,2005,34(2):171-176.
[12]  Gutkowski K I,Shariati A,Peters C J.High-pressure phase behavior of the binary ionic liquid system 1-octyl-3-methylimidazolium tetrafluoroborate+carbon dioxide[J].The Journal of Supercritical Fluids,2006,39(2):187-191.
[13]  Shariati A,Peters C J.High-pressure phase behavior of systems with ionic liquids(Ⅲ):The binary system carbon dioxide+1-hexyl-3-methylimidazolium hexafluorophosphate[J].The Journal of Supercritical Fluids,2004,30(2):139-144.
[14]  Cadena C,Anthony J L,Shah J K,et al.Why is CO2 so soluble in imidazolium-based ionic liquids?[J].Journal of the American Chemical Society,2004,126(16):5300-5308.
[15]  Aki S N,Mellein B R,Saurer E M,et al.High-pressure phase behavior of carbon dioxide with imidazolium-based ionic liquids[J].The Journal of Physical Chemistry B,2004,108(52):20355-20365.
[16]  Bates E D,Mayton R D,Ntai I,et al.CO2 capture by a task-specific ionic liquid[J].Journal of the American Chemical Society,2002,124(6):926-927.
[17]  Galan Sánchez L M,Meindersma G W,de Haan A B.Solvent properties of functionalized ionic liquids for CO2 absorption[J].Chemical Engineering Research & Design,2007,85(1):31-39.
[18]  Zhang Yi,Wu Zaikun,Chen Shaoli,Yu Ping,Luo Yunbai.CO2 capture by imidazolate-based ionic liquids:effect of functionalized cation and dication[J].Industrial & Engineering Chemistry Research,2013,52(18):6069-6075.
[19]  Goodrich B F,de la Fuente J C,Gurkan B E,et al.Effect of water and temperature on absorption of CO2 by amine-functionalized anion-tethered ionic liquids[J].The Journal of Physical Chemistry B,2011,115(29):9140-9150.
[20]  Romanos G E,Zubeir L F,Likodimos V,et al.Enhanced CO2 capture in binary mixtures of 1-alkyl-3-methylimidazolium tricyanomethanide ionic liquids with water[J].The Journal of Physical Chemistry B,2013,117(40):12234-12251.
[21]  Zhang Feng,Fang Chenggang,Wu Youting,Wang Yuantao,Li Aimin,Zhang Zhibing.Absorption of CO2 in the aqueous solutions of functionalized ionic liquids and MDEA[J].Chemical Engineering Journal,2010,160(2):691-697.
[22]  Wu Yongliang(吴永良),Jiao Zhen(焦真),Wang Guannan(王冠楠),Wu Youting(吴有庭),Zhang Zhibing(张志炳).Synthesis characterization and absorption efficiency of an ionic liquid for the absorption of CO2[J].Fine Chemicals(精细化工),2007,24(4):324-327.
[23]  Yang Tao(阳涛),Bi Yin(毕崟),Guo Kaihua(郭开华).Carbon dioxide absorption in 1-aminopropyl-3-methylimidazolium bromide aqueous solutions[J].CIESC Journal(化工学报),2012,63(10):3152-3157.
[24]  Yang Cuilian(杨翠莲),Li Song(李松),Bi Yin(毕崟),Guo Kaihua(郭开华).Absorption property of 1-aminopropyl-3-methylimidazolium bromide aqueous solutions to carbon dioxide[J].Petrochemical Technology(石油化工),2014,43(12):1433-1438.
[25]  Peng D Y,Robinson D B.A new two-constant equation of state[J].Industrial & Engineering Chemistry Fundamentals,1976,15(1):59-64.
[26]  Liu Yanxin(刘延鑫),Dong Lihu(董立户),Mi Jianguo(密建国),Chen Jian(陈健).Study on molecular structure of alkanolamines and their CO2 capture ability[J].SCIENTIA SINICA Chimica(中国科学 化学),2012,42(3):291-296.
[27]  Duan Zhenhao,Sun Rrui.An improved model calculating CO2 solubility in pure water and aqueous NaCl solutions from 273 to 533 K and from 0 to 2000 bar[J].Chemical Geology,2003,193(3/4):257-271.
[28]  Anthony J L,Anderson J L,Maginn E J,et al.Anion effects on gas solubility in ionic liquids[J].The Journal of Physical Chemistry B,2005,109(13):6366-6374.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133