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Non Catalytic Transesterification of Vegetables Oil to Biodiesel in Sub-and Supercritical Methanol: A Kinetic’s Study

Bulletin of Chemical Reaction Engineering & Catalysis · Vol. ume (2023) · hlm. 215–223

DOI
10.9767/bcrec.7.3.4060.215-223
ISSN
1978-2993
Terbit
2023-03-30
Penerbit
Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

Non catalytic transesterification in sub and supercritical methanol have been used to produce biodiesel from palm oil and soybean oil. A kinetic study was done under reaction condition with temperature and time control. The experiments were carried out in a batch type reactor at reaction temperatures from 210 °C (subcritical condition) to 290 °C (the supercritical state) in the interval ranges of temperature of 20 °C and at various molar ratios of oil to methanol. The rate constants of the reaction were determined by employing a simple method, with the overall chemical reaction followed the pseudo-first–order reaction. Based on the results, the rate constants of vegetables oil were significantly influenced by reaction temperature, which were gradually increased at subcritical temperature, but sharply increased in the supercritical state. However, the rate constants of soybean oil were slightly higher than that of palm oil. The activation energy for transesterification of soybean oil was 89.32 and 79.05 kJ/mole for palm oil. Meanwhile, the frequency factor values of both oils were 72462892 and 391210 min-1, respectively. The rate reaction for both of oil were expressed as -rTG = 72462892 exp(-89.32/RT)CTG for soybean oil and -rTG = 391210 exp(-79.05/RT)CTG for palm oil. © 2013 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0)

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  • Muhammadiyah University of Surakarta
  • The University of Adelaide
  • Sebelas Maret University
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Rekan penulisOrganisasiArtikel bersama
Muhammad Al MuttaqiiAfiliasi tidak diketahui4
Danawati Hari PrajitnoAfiliasi tidak diketahui4
Mahfud MahfudAfiliasi tidak diketahui3
Firman KurniawansyahAfiliasi tidak diketahui3
Lenny MarlindaAfiliasi tidak diketahui3
Rismawati RasyidAfiliasi tidak diketahui2
Yustia Wulandari MirzayantiAfiliasi tidak diketahui2
Janu ArlinwibowoNational Research and Innovation Agency1
Yulia LinguistikaThe University of Adelaide1
Naufal IshartonoMuhammadiyah University of Surakarta1
D. PurwokoNational Research and Innovation Agency1
Edy PurwantoAfiliasi tidak diketahui1
Anwar SutoyoAfiliasi tidak diketahui1
Izza Aliyatul MunaAfiliasi tidak diketahui1
Danawati HariprajitnoAfiliasi tidak diketahui1
N. NurjannahAfiliasi tidak diketahui1
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Adrianto PrihartantyoAfiliasi tidak diketahui1
Danawati Hari PrayitnoAfiliasi tidak diketahui1
Rahmaniah MalikAfiliasi tidak diketahui1
Heri Septya KusumaAfiliasi tidak diketahui1
Ignatius GunardiAfiliasi tidak diketahui1
Hafshah HafshahAfiliasi tidak diketahui1
Abdul AzizSebelas Maret University1
RahmiAfiliasi tidak diketahui1
Danawati Hari PrajitnoAfiliasi tidak diketahui1
Arief BudimanAfiliasi tidak diketahui1
Apsari Puspita AiniAfiliasi tidak diketahui1
Kusmiyati KusmiyatiAfiliasi tidak diketahui1
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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.bcrec.id/index.php/bcrec/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Non Catalytic Transesterification of Vegetables Oil to Biodiesel in Sub-and Supercritical Methanol: A Kinetic’s Study</dc:title>
	<dc:creator>Asri, Nyoman Puspa</dc:creator>
	<dc:creator>Machmudah, Siti</dc:creator>
	<dc:creator>Wahyudiono, W.</dc:creator>
	<dc:creator>Suprapto, S.</dc:creator>
	<dc:creator>Budikarjono, Kusno</dc:creator>
	<dc:creator>Roesyadi, Achmad</dc:creator>
	<dc:creator>Goto, Motonobu</dc:creator>
	<dc:subject xml:lang="en-US">Biodiesel; kinetic; transesterification; vegetables oil; sub- and supercritical methanol</dc:subject>
	<dc:description xml:lang="en-US">Non catalytic transesterification in sub and supercritical methanol have been used to produce biodiesel from palm oil and soybean oil. A kinetic study was done under reaction condition with temperature and time control. The experiments were carried out in a batch type reactor at reaction temperatures from 210 °C (subcritical condition) to 290 °C (the supercritical state) in the interval ranges of temperature of 20 °C and at various molar ratios of oil to methanol. The rate constants of the reaction were determined by employing a simple method, with the overall chemical reaction followed the pseudo-first–order reaction. Based on the results, the rate constants of vegetables oil were significantly influenced by reaction temperature, which were gradually increased at subcritical temperature, but sharply increased in the supercritical state. However, the rate constants of soybean oil were slightly higher than that of palm oil. The activation energy for transesterification of soybean oil was 89.32 and 79.05 kJ/mole for palm oil. Meanwhile, the frequency factor values of both oils were 72462892 and 391210 min-1, respectively. The rate reaction for both of oil were expressed as -rTG = 72462892 exp(-89.32/RT)CTG for soybean oil and -rTG = 391210 exp(-79.05/RT)CTG for palm oil. © 2013 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0)</dc:description>
	<dc:publisher xml:lang="en-US">Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2023-03-30</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US"></dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.bcrec.id/index.php/bcrec/article/view/19549</dc:identifier>
	<dc:identifier>10.9767/bcrec.7.3.4060.215-223</dc:identifier>
	<dc:source xml:lang="en-US">Bulletin of Chemical Reaction Engineering &amp; Catalysis; 2013: BCREC Volume 7 Issue 3 Year 2013 (March 2013); 215-223</dc:source>
	<dc:source>1978-2993</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.bcrec.id/index.php/bcrec/article/view/19549/9438</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2013 by Authors, Published by BCREC Group</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-sa/4.0</dc:rights>
</oai_dc:dc>