Characterization of Gasoline, Ethanol, and Methanol Blends (GEM) with Calculation RON Target

M. Hanifuddin, Hario Gibran, Ronald Galvin, Zaim Kamil Muhammad, Riesta Anggarani, Cahyo Setyo Wibowo, Bambang Sugiarto

Research output: Contribution to journalConference articlepeer-review


Fossil fuels still dominate future energy needs, while oil production has shown a declining trend over the past ten years. One solution to this condition is using new and renewable energy sources. In the transportation sector, one of the most common environmental problems resulting from the combustion of fossil fuels in internal combustion engines is emission. Mixing gasoline with alcohol is based on this problem. This paper calculates the composition of gasoline-ethanol-methanol with target RON 92, 95, and 98 with RON-based 89. The composition of this blend is calculated with linear molar calculation. Blending ethanol and methanol in gasoline also influences their chemical and physical properties. The characteristics, i.e., research octane number (RON) and density of gasoline-ethanol-methanol fuel blends of RON target 92, 95, and 98, are presented. The results of this calculation will be compared with the experiment. RON is one of the critical characteristics of the internal combustion engine's compression ratio and combustion quality. The obtained result revealed that the average difference from the calculation with the experiment on RON is 0.73, and the density is 0.36.

Original languageEnglish
Article number012021
JournalIOP Conference Series: Earth and Environmental Science
Issue number1
Publication statusPublished - 2023
Event7th International Conference on Biomass and Bioenerg, ICBB 2022 - Virtual, Online
Duration: 1 Aug 20222 Aug 2022


  • chemical characteristics
  • ethanol
  • fuel properties
  • gasoline
  • methanol
  • physical characteristics
  • research octane number


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