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Yusmaniar
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jl. Rawamangun Muka, East Jakarta 13220, Indonesia
Chemistry

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Characterization of Crude Oil Physical Properties Using Specific Gravity, Conradson Carbon Residue, Flash Point, and Ash Content Analyses Rasikha Ulhaq; Fairuz Gianirfan Nugroho; Dwi Supriningsih; Yusmaniar; Meyliana Wulandari
Jurnal Riset Sains dan Kimia Terapan Vol. 9 No. 2 (2023): Jurnal Riset Sains dan Kimia Terapan, Volume 9 Nomor 2, Desember 2023
Publisher : Program Studi Kimia Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JRSKT.092.12

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.
Co-Authors Dwi Supriningsih Fairuz Gianirfan Nugroho Meyliana Wulandari Rasikha Ulhaq