Characterization of Crude Oil Physical Properties Using Specific Gravity, Conradson Carbon Residue, Flash Point, and Ash Content Analyses

Authors

  • Rasikha Ulhaq Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta
  • Fairuz Gianirfan Nugroho Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jl. Rawamangun Muka, East Jakarta 13220, Indonesia
  • Dwi Supriningsih Balai Besar Pengujian Minyak dan Gas Bumi (LEMIGAS), Ministry of Energy and Mineral Resources, Jl. Ciledug Raya Kav. 109, Cipulir, Kebayoran Lama, South Jakarta 12230, Indonesia
  • Yusmaniar Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jl. Rawamangun Muka, East Jakarta 13220, Indonesia
  • Meyliana Wulandari Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jl. Rawamangun Muka, East Jakarta 13220, Indonesia

DOI:

https://doi.org/10.21009/JRSKT.092.12

Keywords:

API Gravity, Ash Content, Conradson Carbon Residue, Flash Point, Specific Gravity

Abstract

Crude oil characterization is used to evaluate crude oil properties before refinery processing. During an industrial internship at the Physical Properties Laboratory, LEMIGAS, two crude oil samples were analyzed for Specific Gravity (SG), API Gravity, Conradson Carbon Residue (CCR), Flash Point, and Ash Content. SG was determined using ASTM D1298, CCR using ASTM D189, Flash Point using ASTM D93 and IP 170, and Ash Content using ASTM D482. API Gravity was calculated from the corrected SG values. Samples XX and XY had SG values of 0.8276 and 0.8597, corresponding to API Gravity values of 39.5° and 33.1°, respectively. CCR values were 0.778 wt.% and 2.520 wt.%, while Flash Point values were 25.0 °C and 79.5 °C. Ash Content values were 0.033 wt.% and 0.008 wt.% for samples XX and XY, respectively. Sample XY had higher CCR and SG, while sample XX had higher API Gravity and lower Flash Point. These results show differences in the physical properties, carbon residue, flammability, and inorganic residue of the two crude oil samples.

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Published

2023-12-30

How to Cite

Ulhaq, R., Nugroho, F. G., Supriningsih, D., Yusmaniar, & Wulandari, M. (2023). Characterization of Crude Oil Physical Properties Using Specific Gravity, Conradson Carbon Residue, Flash Point, and Ash Content Analyses. Jurnal Riset Sains Dan Kimia Terapan, 9(2), 100–107. https://doi.org/10.21009/JRSKT.092.12

Issue

Vol. 9 No. 2 (2023): Jurnal Riset Sains dan Kimia Terapan, Volume 9 Nomor 2, Desember 2023

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