Supercritical carbon dioxide fractionation of peppermint oil with low menthol content: experimental study and simulation analysis for the recovery of piperitenone
- Gañan, Nicolas Alberto
- Dambolena, Jose Sebastian
- Martini, Raquel Evangelina
- Bottini, Susana Beatriz
DOIAbstract
Low-menthol or dementholized oils can be regarded as potential sources of biocidal compounds, particularly monoterpenic ketones such as menthone, piperitone, piperitenone, pulegone and carvone. In this work, the recovery of piperitenone from peppermint oil by supercritical carbon dioxide fractionation is studied. Separation selectivity and gas loading measurements were performed in a semicontinuous high-pressure apparatus in order to evaluate the effect of temperature and solvent density on these properties. Semicontinuous fractionation was also carried out at a fixed temperature (313 K) and pressure (85 bar), collecting and analyzing extract samples until a purified piperitenone raffinate was obtained. The phase behavior of the system was ...
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