Comparative Study of Correlation for the Densities of Ionic Liquids
This paper presents the comparative study of correlations as to estimate the densities of ionic liquids. The correlations used in this study are of generalized correlation and the one that is developed for the calculation of the density of saturated and normal liquid. 8 correlations are used in t...
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| Format: | Final Year Project |
| Language: | English |
| Published: |
Universiti Teknologi PETRONAS
2013
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| Online Access: | http://utpedia.utp.edu.my/8448/1/FYP%20Dissertation-Nur%20Eliana%20bt.%20Shahrin-14075.pdf http://utpedia.utp.edu.my/8448/ |
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| Institution: | Universiti Teknologi Petronas |
| Language: | English |
| Summary: | This paper presents the comparative study of correlations as to estimate the densities of
ionic liquids. The correlations used in this study are of generalized correlation and the
one that is developed for the calculation of the density of saturated and normal liquid. 8
correlations are used in this study and the accuracy of the correlations is determined by
calculating the deviations. The generalized models used in the estimation of ionic liquids
density are Yamada and Gunn – YG (1973, pg. 234), Reid et al. – RR (1977), Bhirud –
BH (1978, pg. 1127), Hankinson and Thomson – HT (1979, pg. 653), Valderrama and
Abu Sharkh – VSY and VSD (1989, pg. 87), Mchaweh et al. – MH (2004, pg. 157) and
Valderrama and Zarricueta – VZ (2009, pg. 145). In this paper, 139 density data of
imidazolium based ionic liquids, 57 of ammonium based and 20 density data of
pyridinium based ionic liquids are assembled to conduct the study. The best correlation to
be used for the estimation of ionic liquids density is determined based on the lowest
deviations calculated. |
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