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	An equation of state for electrolyte solutions by a combination of low-density expansion of non-primitive mean spherical approximation and statistical associating fluid theory
	Liu, ZP ; Wang, WC ; Li, YG
	2010-05-07 ; 2010-05-07
关键词	electrolyte EOS SAFT non-primitive mean spherical approximation REAL IONIC-SOLUTIONS MOLECULAR SIMULATION DATA PERTURBATION-THEORY THERMODYNAMIC PROPERTIES ACTIVITY-COEFFICIENTS ARBITRARY MIXTURE PHASE-EQUILIBRIA AQUEOUS SYSTEMS DIPOLE MIXTURES VARIABLE RANGE Thermodynamics Chemistry, Physical Engineering, Chemical
中文摘要	A two-parameter equation of state (EOS) for electrolyte solutions is developed. The equation is in terms of Helmholtz free energy and incorporated with our previous results of the low-density expansion of non-primitive mean spherical approximation (MSA). The concentration dependent dielectric constant is thus inherently included in the model. The statistical associating fluid theory (SAFT) is introduced to represent the association interactions. including the solvent-solvent and ion-solvent. The EOS is tested for 15 aqueous alkali halide solutions at ambient condition. The equation can represent simultaneously the mean ionic activity coefficients, the osmotic coefficients and densities in a good accuracy up to saturated concentration. The comparisons with EOSs published earlier in the literature are carried out. The limitations of the model are also discussed. (C) 2004 Elsevier B.V. All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/17796]
专题	清华大学
推荐引用方式 GB/T 7714	Liu, ZP,Wang, WC,Li, YG. An equation of state for electrolyte solutions by a combination of low-density expansion of non-primitive mean spherical approximation and statistical associating fluid theory[J],2010, 2010.
APA	Liu, ZP,Wang, WC,&Li, YG.(2010).An equation of state for electrolyte solutions by a combination of low-density expansion of non-primitive mean spherical approximation and statistical associating fluid theory..
MLA	Liu, ZP,et al."An equation of state for electrolyte solutions by a combination of low-density expansion of non-primitive mean spherical approximation and statistical associating fluid theory".(2010).

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