Determination of Hydrotreated Vegetable Oil (Hvo) in Blended Diesel Fuel Using Calibration of Isooctane by Gc-Fid Measurement

Novilia Novilia; Sylvia Ayu Bethari; Handajaya Rusli; Muhammad Bachri Amran

doi:10.29017/scog.v48i3.1835

Authors

Novilia Novilia Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung
Sylvia Ayu Bethari Testing Center for Oil and Gas “LEMIGAS”
Handajaya Rusli Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung
Muhammad Bachri Amran Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung

DOI:

https://doi.org/10.29017/scog.v48i3.1835

Keywords:

Hydrotreated Vegetable Oil (HVO), Diesel Fuel, Gas Chromatography

Abstract

Hydrotreated vegetable oil (HVO) is emerging as a promising renewable fuel that is sharing similar chemical characteristics with fossil diesel, making it suitable as a blending component. However, this similarity is presenting challenges in distinguishing and quantifying HVO in diesel blends. The present study is focusing on developing a simple, cost-effective, and reliable method using gas chromatography with flame ionization detection (GC-FID) for determining HVO content in diesel mixtures. Two candidate markers, hexadecane (C₁₆H₃₄) and heptadecane (C₁₇H₃₆), are being evaluated based on linearity, detection limits, and accuracy. Calibration curves are being constructed using HVO–isooctane mixtures from 0 to 50% v/v HVO. The heptadecane peak is demonstrating superior performance with excellent linearity (R² = 0.9994), a low detection limit (1.77% v/v), and quantification limit (5.36% v/v). In contrast, the hexadecane peak is showing similar linearity but lower sensitivity. Accuracy tests are being conducted on diesel samples spiked with 10% HVO, showing recovery rates above 95% for both markers. Overall, heptadecane is proving to be a consistent and reliable marker for quantifying HVO in diesel blends using GC-FID.

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