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Journals / International Journal of Thermodynamics / 2012 / Cilt: 15 - Sayı: 2

Solubility prediction of some disperse Azo dyes in supercritical carbon dioxide using equation of states (EOSs)

Shahryar Jafari NEJAD
Milad Asgarpour KHANSARY
Farshad AMİRİ
Pages
103–110
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The calculated results showed that new EOS is more accurate than PR-EOS.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The solubility of three disperse azo dyes, 4-(N,N-dimethylamino)-4’-itroazobenzene (D1), 4-(N,N-diethylamino)-4’-nitroazobenzene (D2) and Parared (D3) in supercritical carbon dioxide have been correlated with two equation of state.
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Key Findings & Data:The calculated results showed that new EOS is more accurate than PR-EOS.
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Conclusion & Impact:It can be employed to speed up the process of SCF applications in industry.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Solubility · disperse azo dyes · supercritical carbon dioxide

Abstract

The solubility of three disperse azo dyes, 4-(N,N-dimethylamino)-4’-itroazobenzene (D1), 4-(N,N-diethylamino)-4’-nitroazobenzene (D2) and Parared (D3) in supercritical carbon dioxide have been correlated with two equation of state. All critical properties have been estimated with a group contribution method (GCM). As far we know, solubility data for these dyes never has been correlated using an equation of state (EOS). Therefore, it is worthwhile to model the solubility of these disperse Azo dyes. 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.

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Cite This Article

NEJAD, S. J., KHANSARY, M. A., AMİRİ, F. (2022). Solubility prediction of some disperse Azo dyes in supercritical carbon dioxide using equation of states (EOSs). International Journal of Thermodynamics, Cilt: 15 - Sayı: 2, 103–110. https://ajindex.com/articles/541872

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