E., Maleki and K., Aroua M. and N., Sulaiman N.M. (2013) Improved yield of solvent free enzymatic methanolysis of palm and jatropha oils blended with castor oil. Applied Energy, 104. pp. 905-909. ISSN 0306-2619, DOI https://doi.org/10.1016/j.apenergy.2012.12.009.
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Abstract
In this work, castor oil was blended with palm and jatropha oils to improve the yield of solvent-free enzymatic methanolysis reaction. Transesterification reactions were carried out with stoichiometric ratio of methanol to oil and using lipozyme TL IM as catalyst at 45 °C and 200 rpm for 24 h. By adding only 10 castor oil to the reaction medium a surge in the yield of methanolysis of jatropha oil was observed (i.e. from 21.9 to 65.5). Increasing the amount of castor oil to 20 raised the yield of methanolysis of jatropha oil to 78.3. Blending 50 castor oil with palm oil increased the yield of enzymatic methanolysis from 11.9 to 76.2. Mixing castor oil with jatropha and palm oils improved the yield of solvent free single-step methanolysis reaction to the higher amounts than the maximum theoretical yield of lipozyme TL IM (i.e. 67).
| Item Type: | Article |
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| Funders: | UNSPECIFIED |
| Additional Information: | Export Date: 21 April 2013 Source: Scopus CODEN: APEND :doi 10.1016/j.apenergy.2012.12.009 Language of Original Document: English Correspondence Address: Aroua, M.K.; Department of Chemical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia; email: mkaroua@um.edu.my References: Muppaneni, T., Reddy, H.K., Patil, P.D., Dailey, P., Aday, C., Deng, S., Ethanolysis of camelina oil under supercritical condition with hexane as a co-solvent (2012) Appl Energy, 94, pp. 84-88; Lin, L., Cunshan, Z., Vittayapadung, S., Xiangqian, S., Mingdong, D., Opportunities and challenges for biodiesel fuel (2011) Appl Energy, 88, pp. 1020-1031; Qiu, F., Li, Y., Yang, D., Li, X., Sun, P., Biodiesel production from mixed soybean oil and rapeseed oil (2011) Appl Energy, 88, pp. 2050-2055; Demirbas, A., Progress and recent trends in biodiesel fuels (2009) Energy Convers Manage, 50, pp. 14-34; Leung, D.Y.C., Wu, X., Leung, M.K.H., A review on biodiesel production using catalyzed transesterification (2010) Appl Energy, 87, pp. 1083-1095; 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| Uncontrolled Keywords: | Castor oil; Jatropha oil; Lipozyme TL IM; Palm oil; Transesterification; Jatropha; Methanolysis; Reaction medium; Single-step; Solvent free; Stoichiometric ratio; Theoretical yield; Transesterification reaction; Blending; Epoxidation; Methanol; Solvents; Vegetable oils; catalyst; dicotyledon; enzyme activity; ester; monocotyledon; reaction kinetics; solvent; temperature profile; vegetable oil. |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
| Divisions: | Faculty of Engineering |
| Depositing User: | Mr Jenal S |
| Date Deposited: | 16 Jul 2013 01:56 |
| Last Modified: | 30 Dec 2014 02:26 |
| URI: | http://eprints.um.edu.my/id/eprint/7389 |
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