Synthesis of 2-hydroxy-ethyl ester based on peanut oil as a bio-additive for diesel fuel
Laila Sukria1), R. Arizal Firmansyah 1,3), R.Y Perry Burhan1,2*), Yulfi Zetra1)

1. Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia.
*pburhan[at]chem.its.ac.id
2. Oil and Gas Processing Technique, PEM Akamigas, Cepu, Indonesia.
3. Department of Chemistry Education, Faculty of Science and Technology, Uin Walisongo, Semarang, Indonesia.

Abstract

Greenhouse gas emissions are increasing along with industrialization and modernization due to the use of diesel fuel. The reduction of greenhouse gas emissions can use the desulphuration method. However, low sulfur in diesel fuel causes low lubricity values. One solution to this is by adding a bio-additive compound. In this research, the synthesis of 2-hydroxyethyl ester compounds obtained through the transesterification reaction of peanut oil with ethylene glycol and K2CO3 catalyst will be carried out. The simple reflux is used with a molar ratio of ethylene glycol and triglycerides of 10: 1 with K2CO3 of 9% mole of triglycerides. the conversion to the product was 77.47%. Product characterization was carried out using Mass Spectrometry Gas Chromatography (GC-MS). Based on chromatograms, the total abundance of the 2-hydroxyethyl ester is 54.69%. this compound can be used as an alternative to lubrication enhancing bio-additive.

Keywords: Bio-additive, Transesterification, Peanut oil, 2-hydroxy-ethyl ester

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