Biodiesel conversion from high FFA crude jatropha curcas, calophyllum inophyllum and ceiba pentandra oil

A. S. Silitonga, Hwai Chyuan Ong, T.m. Indra Mahlia, H. H. Masjuki, W. T. Chong

Research output: Contribution to journalConference article

31 Citations (Scopus)

Abstract

Biodiesel is a renewable energy that has great potential as an alternative fuel to fossil diesel in diesel engine. The potential non-edible feedstock for biodiesel is now being taken into careful consideration for the purpose of continuing biodiesel production while not negatively affecting the food issue. The crude jatropha curcas, calophyllum inophyllum and ceiba pentandra oil have free fatty acid value which is above 2%. Therefore, a pretreatment acid catalyzed esterification process is required to reduce the free fatty acid content. It was found that jatropha curcas, calophyllum inophyllum and ceiba pentandra oil at 9:1 M ratio (methanol to oil) with preheat at 60oC and reaction at temperature 55oC for 60 minutes in the presence of 1% KOH in order to get lower acid values (0.39 mg KOH/g, 0.45 mg KOH/g and 0.40 mg KOH/g) and obtained high methyl ester yield (98.23%, 98.53% and 97.72%). This study had shown that improvement in biodiesel properties by using two stage esterification-T ransesterification methods. The major fuel characteristics such as kinematic viscosity, density, flash point and calorific value of biodiesel fulfilled American Society for Testing Materials (ASTM) biodiesel standards.

Original languageEnglish
Pages (from-to)480-483
Number of pages4
JournalEnergy Procedia
Volume61
DOIs
Publication statusPublished - 01 Jan 2014
Event6th International Conference on Applied Energy, ICAE 2014 - Taipei, Taiwan, Province of China
Duration: 30 May 201402 Jun 2014

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Biodiesel
Esterification
Fatty acids
Calorific value
Materials testing
Acids
Alternative fuels
Feedstocks
Diesel engines
Oils
Esters
Methanol
Viscosity
Temperature

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

Silitonga, A. S. ; Ong, Hwai Chyuan ; Mahlia, T.m. Indra ; Masjuki, H. H. ; Chong, W. T. / Biodiesel conversion from high FFA crude jatropha curcas, calophyllum inophyllum and ceiba pentandra oil. In: Energy Procedia. 2014 ; Vol. 61. pp. 480-483.
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Biodiesel conversion from high FFA crude jatropha curcas, calophyllum inophyllum and ceiba pentandra oil. / Silitonga, A. S.; Ong, Hwai Chyuan; Mahlia, T.m. Indra; Masjuki, H. H.; Chong, W. T.

In: Energy Procedia, Vol. 61, 01.01.2014, p. 480-483.

Research output: Contribution to journalConference article

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T1 - Biodiesel conversion from high FFA crude jatropha curcas, calophyllum inophyllum and ceiba pentandra oil

AU - Silitonga, A. S.

AU - Ong, Hwai Chyuan

AU - Mahlia, T.m. Indra

AU - Masjuki, H. H.

AU - Chong, W. T.

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AB - Biodiesel is a renewable energy that has great potential as an alternative fuel to fossil diesel in diesel engine. The potential non-edible feedstock for biodiesel is now being taken into careful consideration for the purpose of continuing biodiesel production while not negatively affecting the food issue. The crude jatropha curcas, calophyllum inophyllum and ceiba pentandra oil have free fatty acid value which is above 2%. Therefore, a pretreatment acid catalyzed esterification process is required to reduce the free fatty acid content. It was found that jatropha curcas, calophyllum inophyllum and ceiba pentandra oil at 9:1 M ratio (methanol to oil) with preheat at 60oC and reaction at temperature 55oC for 60 minutes in the presence of 1% KOH in order to get lower acid values (0.39 mg KOH/g, 0.45 mg KOH/g and 0.40 mg KOH/g) and obtained high methyl ester yield (98.23%, 98.53% and 97.72%). This study had shown that improvement in biodiesel properties by using two stage esterification-T ransesterification methods. The major fuel characteristics such as kinematic viscosity, density, flash point and calorific value of biodiesel fulfilled American Society for Testing Materials (ASTM) biodiesel standards.

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