工程热物理学报 , 2015, 36(7): 1413-1416.
NH3-H2O-[P4444] Cl体系气液相平衡测定
黄维佳
1,
,
郑丹星
2,
1.北京化工大学化学工程学院,北京,100029;
2.北京化工大学化学工程学院,北京,100029
基于氨水工质对的吸收式制冷和热泵技术中,氨和水分离时需要精馏而产生大量能耗.针对这一缺陷,本文提出改良措施:将离子液体[P4444]Cl作为添加剂加入氨水中,组成分离能耗较低的新工质体系.利用等温合成法,本工作测定了[P4444] Cl水溶液浓度为33.33％(质量分数)的NH3-H2O-[P4444]Cl体系在温度范围0～60℃、压力范围0～650kPa时的气液相平衡数据,并采用多项式方程对实验数据进行拟合得到模型参数.最后,本工作还讨论了该工质体系的其他热物性作为进一步开发的参考.
引用：
黄维佳,
郑丹星
NH3-H2O-[P4444] Cl体系气液相平衡测定.
工程热物理学报 ,
2015, 36(7): 1413-1416.
doi:
参考文献：
[1] Simona Steiu;David Martinez-Maradiaga;Daniel Salavera .Effect of Alkaline Hydroxides on the Vapor-Liquid Equilibrium of Ammonia/Water and the Performance of Absorption Chillers[J].Industrial & Engineering Chemistry Research,2011(23):13037-13044.
[2] Simona Steiu;Daniel Salavera;Joan Carles Bruno;Alberto Coronas .A basis for the development of new ammonia-water-sodium hydroxide absorption chillers[J].International Journal of Refrigeration,2009(4):577-587.
[3] Li Dong;Danxing Zheng;Jing Li;Nan Nie;Xianghong Wu.Suitability prediction and affinity regularity assessment of H_2O + imidazolium ionic liquid working pairs of absorption cycle by excess property criteria and UNIFAC model[J].Fluid Phase Equilibria,2013:1-8.
[4] Wei Shi;Edward J. Maginn .Molecular Simulation of Ammonia Absorption in the Ionic Liquid 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([emim][Tf2N])[J].AIChE Journal,2009(9):2414-2421.
[5] Tillner-Roth R.;Friend DG. .Survey and assessment of available measurements on thermodynamic properties of the mixture {water+ammonia}[J].Journal of Physical and Chemical Reference Data,1998(1):45-61.
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