The Binary Vapor-Liquid Phase Equilibrium of Citronella Oil under High Vacuum

Qiu Chen; Li Li Gu; Zheng Hui Zhang

doi:10.4028/www.scientific.net/AMR.772.281

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 772The Binary Vapor-Liquid Phase Equilibrium of...

The Binary Vapor-Liquid Phase Equilibrium of Citronella Oil under High Vacuum

Abstract:

Citronellal, citronellol and geraniol are the main components of the natural plant citronella oil, and their vapor-liquid phase equilibrium relationship is the critical data to separate, purify the citronella oil and design rectifying column. Citronella oil is a thermo-sensitive material, so the separation under high vacuum conditions could lower its boiling point and maintain its quality. This paper adopts the precise vapor-liquid phase equilibrium instrument to collect the binary system of citronellal-citronellol, citronellal-geraniol and citronellol-geraniol with the absolute pressure of 1.2kPa. Meanwhile, the corresponding phase equilibrium diagrams are drawn, which provide data support for the distillation of citronella oil.

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Periodical:

Advanced Materials Research (Volume 772)

Pages:

281-286

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.772.281

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Online since:

September 2013

Authors:

Qiu Chen, Li Li Gu, Zheng Hui Zhang

Keywords:

Citronella Oil, Phase Equilibrium, Separation

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