| Summary: | <p>In the laboratory, we have found three main components of citronella oil, citronellal, citronellol, and geraniol.<br />
Citronellal enrichment is generally obtained by fractionation unit. Those three components are usually obtained in<br />
azeotropic system. In the preliminary study, we have found that citronellal in the distillate with concentration of more<br />
than 90% was mixed with other components, mainly citronellol and geraniol. Gas chromatography was used for<br />
analysis of citronellal component. In this study, we have predicted the azeotropic system in fractionation unit for<br />
citronellal enrichment as an illustration using ChemCAD process simulator. The result of citronellal enrichment<br />
simulation will be discussed in this paper.</p>
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