Reactive Extraction Process in Isolation of Eugenol of Clove Essential Oil (Syzigium aromaticum) Based on Temperature and Time Process

Daryono, Elvianto Dwi (2015) Reactive Extraction Process in Isolation of Eugenol of Clove Essential Oil (Syzigium aromaticum) Based on Temperature and Time Process. International Journal of ChemTech Research, 8 (11). ISSN 0974-4290

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Abstract

The purpose of this study was to obtained optimum conditions a reactive extraction process in isolation eugenol from clove essential oil associated with the temperature and time process. Research stage begins by inserting a 100 ml clove essential oil and 0.8 N NaOH solution at a ratio of 1:1.1 to the reactor. Turn on the hot plate and set the appropriate reaction temperature variables of the study (30, 40 and 50°C) and set the stirrer speed of 100 rpm. After a reaction time achieved according to the study variables (15, 30, 45, 60 and 75 minutes) the reaction product was then separated. The bottom layer was Na-eugenolat (aqueous layer) and the top layer was organic layer. Na-eugenolat (aqueous layer) was then added 5 N HCl to obtain a pH of 4. Before placing distillation flask, Na-eugenolat that has been mixed with HCl silenced while for NaCl precipitate formed, then the newly inserted distillation flask which had been fitted condenser and thermometer. The mixture was then heated with a hot plate at a temperature of 195oC and vacuum pressure of 6.10-2 kPa for 30 minutes. Distillate was eugenol and the residue was NaCl residual reaction products. Eugenol distillate which was then measured its volume and analyzed eugenol concentration by GC. The optimum process conditions obtained in the reactive extraction temperature of 40oC, reaction time of 30 minutes at a concentration of eugenol of 51.07% and yield of 97.10%.

Item Type:	Article
Uncontrolled Keywords:	reactive extraction, vacuum distillation, clove essential oil, eugenol, yield
Subjects:	Engineering > Chemical Engineering
Divisions:	Fakultas Teknologi Industri > Teknik Kimia S1
Depositing User:	Mr Sayekti Aditya Endra
Date Deposited:	16 Jun 2023 01:05
Last Modified:	16 Jun 2023 06:34
URI:	http://eprints.itn.ac.id/id/eprint/12154

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