Formulation and evaluation of a new semi-empirical model for solubility of plant extracts in supercritical carbon dioxide assisted by ethanol as co-solvent

Nicky Rahmana Putra; Dwila Nur Rizkiyah; Zuhaili Idham; Liza Mohd Salleh; Siti Machmudah; Mohd Azizi Che Yunus

doi:10.1080/00986445.2020.1771324

Formulation and evaluation of a new semi-empirical model for solubility of plant extracts in supercritical carbon dioxide assisted by ethanol as co-solvent

Nicky Rahmana Putra^*, Dwila Nur Rizkiyah, Zuhaili Idham, Liza Mohd Salleh, Siti Machmudah, Mohd Azizi Che Yunus^*

^*Corresponding author for this work

Universiti Teknologi Malaysia

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

An accurate and suitable semi-empirical model is crucial to determine the solubility of plant extracts in supercritical carbon dioxide (SC-CO₂) assisted by ethanol as a co-solvent. In this paper, a new solubility model was proposed to correlate the plant solubility to SC-CO₂ and ethanol. The accuracy and capability of the new model were evaluated by fitting it with published solubility datasets. The overall percentage of average absolute relative deviation was 12.13%, and the average coefficient of determination (R ²) was 0.89. Comparisons between the results of the new model and the published models showed an excellent capability and accuracy in fitting solute solubility in SC-CO₂ in the presence of ethanol as a co-solvent.

Original language	English
Pages (from-to)	1326-1334
Number of pages	9
Journal	Chemical Engineering Communications
Volume	208
Issue number	9
DOIs	https://doi.org/10.1080/00986445.2020.1771324
Publication status	Published - 2021

Keywords

Co-solvent
SC-CO
ethanol
new semi-empirical model
plant
solubility

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10.1080/00986445.2020.1771324

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title = "Formulation and evaluation of a new semi-empirical model for solubility of plant extracts in supercritical carbon dioxide assisted by ethanol as co-solvent",

abstract = "An accurate and suitable semi-empirical model is crucial to determine the solubility of plant extracts in supercritical carbon dioxide (SC-CO2) assisted by ethanol as a co-solvent. In this paper, a new solubility model was proposed to correlate the plant solubility to SC-CO2 and ethanol. The accuracy and capability of the new model were evaluated by fitting it with published solubility datasets. The overall percentage of average absolute relative deviation was 12.13%, and the average coefficient of determination (R 2) was 0.89. Comparisons between the results of the new model and the published models showed an excellent capability and accuracy in fitting solute solubility in SC-CO2 in the presence of ethanol as a co-solvent.",

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AU - Putra, Nicky Rahmana

AU - Rizkiyah, Dwila Nur

AU - Idham, Zuhaili

AU - Salleh, Liza Mohd

AU - Machmudah, Siti

AU - Yunus, Mohd Azizi Che

PY - 2021

Y1 - 2021

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AB - An accurate and suitable semi-empirical model is crucial to determine the solubility of plant extracts in supercritical carbon dioxide (SC-CO2) assisted by ethanol as a co-solvent. In this paper, a new solubility model was proposed to correlate the plant solubility to SC-CO2 and ethanol. The accuracy and capability of the new model were evaluated by fitting it with published solubility datasets. The overall percentage of average absolute relative deviation was 12.13%, and the average coefficient of determination (R 2) was 0.89. Comparisons between the results of the new model and the published models showed an excellent capability and accuracy in fitting solute solubility in SC-CO2 in the presence of ethanol as a co-solvent.

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KW - new semi-empirical model

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KW - solubility

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Formulation and evaluation of a new semi-empirical model for solubility of plant extracts in supercritical carbon dioxide assisted by ethanol as co-solvent

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Keywords

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