General Information
    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Prof. Dr. Shen-Ming Chen
    • Executive Editor: Mr. Ron C. Wu
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Editor-in-chief
Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan
 

IJCEA 2011 Vol.2(4): 272-277 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2011.V2.116

Modeling of Solubility of Disperse Blue Dyes in Supercritical carbon Dioxide Using Equation of States (EOSs)

Shahryar Jafari Nejad, Milad Asgarpour Khansary, and Farshad Amiri

Abstract—To develop and design the supercritical fluid dyeing (SFD) process a lot of basic dye solubility data and modeling of these solubility data are necessary. The solubility of six blue dispersed dyes, C.I. Disperse Blue 134, CI. Disperse Blue 79, C.I. Disperse Blue 79:1, C.I. Disperse Blue 3, C.I. Disperse Blue 60 and C.I. Disperse Blue 14 in supercritical carbon dioxide have been correlated with two equation of state. All critical properties have been estimated with a group contribution method (GCM). Solubility data for these dyes has never been correlated using an equation of state (EOS). Therefore, it is worthwhile to model the solubility of these dyes with EOSs. In this work, the aim is correlating reported data with a new EOS and comparing obtained results with the results of Peng-Robinson EOS (PR-EOS) together with two adjustable parameter van der Waals mixing and combining rules. The calculated results showed that new EOS is more accurate than PR-EOS. It can be employed to speed up the process of SCF applications in industry.

School of Chemical Engineering, College of Engineering, University of Tehran, P.O. Box 11365-4563, Tehran, Iran
Caspian Faculty of Engineering, College of Engineering, University of Tehran, IranCorresponding author: Shahryar Jafari Nejad,E-mail: shjafarinejad@ut.ac.ir

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Cite: Shahryar Jafari Nejad, Milad Asgarpour Khansary, and Farshad Amiri, "Modeling of Solubility of Disperse Blue Dyes in Supercritical carbon Dioxide Using Equation of States (EOSs) ," International Journal of Chemical Engineering and Applications vol. 2, no. 4, pp. 272-277, 2011.

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