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Biodiesel production from crude palm oil by transesterification process

Ahmed Kabashi, Nassereldeen and Alam, Md. Zahangir and Mirghani, Mohamed Elwathig Saeed and Al-Fusaiel, A. M. A. (2009) Biodiesel production from crude palm oil by transesterification process. Journal of Applied Sciences, 9 (17). pp. 3166-3170. ISSN 1812-5662 (O), 1812-5654 (P)

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Abstract

An overflow system for batch esterification of Crude Palm Oil (CPO) to obtain Palm Oil Biodiesel (POB) was developed using a batch reactor (shake flask). The alkali catalyst of potassium hydroxide had been used to carry the transestrication process with methanol; ultimately, 2 layers were form from the reaction-the lower layer of glycerol and the upper layer of methyl esters; the later layer is the targeted biodiesel. Optimization of the process was held for determining of the best possible yield of biodiesel at the end of the reaction which was 93.6%. This was carried by finding the optimal values of reaction time of 60 min, reaction temperature of 60°C, agitation speed of 250 rpm, molar ratio of methanol to oil of 10:1 (m/m) and dosage of the catalyst of 1.4 (%wt). Other experimental design and analytical tests were conducted including: density of POB at room temperature, 0.8498 kg L-1, surface tension at STP of 26.96 mN m-1, with Huh-Mason correction of 0.1 and finally free fatty acid percentage of 0.12% (equivalent to acid value of 0.26 mg KOH g-1).

Item Type: Article (Journal)
Additional Information: 4286/1229
Uncontrolled Keywords: Biodiesel, CPO, KOH, esterification, optimization
Subjects: T Technology > TP Chemical technology > TP248.13 Biotechnology
T Technology > TP Chemical technology > TP315 Fuel
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User: Ms Zati Atiqah Mohamad Tanuri
Date Deposited: 29 Jul 2011 16:49
Last Modified: 28 Sep 2011 21:59
URI: http://irep.iium.edu.my/id/eprint/1229

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