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All Journal Journal of Fundamentals and Applications of Chemical Engineering
Faris, Satya Naufal
Institut Teknologi Sepuluh Nopember
Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering

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Vapor – Liquid Equilibrium of Linalool + β- Caryophyllene and α-Pinene + Linalool at Pressures of 30 and 60 kPa Faris, Satya Naufal; Fakhira, Amira; Wiguno, Annas; Tetrisyanda, Rizky; Kuswandi, Kuswandi
Journal of Fundamentals and Applications of Chemical Engineering Vol 6, No 1 (2025)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j2964710X.v6i1.22156

Abstract

This research aims to obtain equilibrium data from essential oils, namely lavender oil. Lavender flowers are composed of several ingredients, such as essential oils (1-3%), alpha-pinene (0.22%), camphene (0.06%), beta-myrcene (5.33%), cymene (0.30%), limonene (1.06%). %), cineol (0.51%), linalool (26.12%), borneol (1.21%), terpinine-4-ol (4.64%), linalyl acetate (26.32%), geranyl acetate (2.14%), and caryophyllene (7.55%). This research focuses on determining vapor-liquid equilibrium (VLE) data for the binary systems Linalool + β-Caryophyllene and α-Pinene + Linalool at vacuum pressure of 30 kPa and 60 kPa. Research was conducted to support the equilibrium data for distillation process in the essential oil industry, by exploring the characteristics of VLE which is an important parameter in distillation column design. Experiments used a modified Othmer type ebulliometer and composition measurements were carried out using Gas Chromatography-Mass Spectrometry (GC-MS). The equilibrium data were correlated using Wilson, NRTL, and UNIQUAC model equations. The thermodynamic consistency tests have been performed using Wisniak Method. The research results showed that the VLE values obtained are thermodynamically consistent and the model used can correlate equilibrium with satisfactory accuracy. It was obtained from experimental data that for the Linalool + β-Caryophyllene system had the largest Average Absolute Deviation in temperature (AAD T) value of 0.74% and for the Alpha Pinene + Linalool system had the largest AAD T with a value of 0.28% for both pressures.
Co-Authors Fakhira, Amira Kuswandi, Kuswandi Tetrisyanda, Rizky Wiguno, Annas