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dc.contributor.authorUlfah, Maria
dc.contributor.authorMulyazmi
dc.contributor.authorOctavia, Silvi
dc.contributor.authorBurmawi
dc.date.accessioned2016-02-05T03:19:26Z
dc.date.available2016-02-05T03:19:26Z
dc.date.issued2015-10-15
dc.identifier.citation[1] A.N. Utomo,‖ Alternative transesterification methods for biodiesl production-A review,‖ Proc. CISAK, C2/P/18, 2013. [2] A.S. Ramadhas, S. Jayaraj, and C. Muraleedharan,‖ Biodiesel production from high FFA rubber seed oil,‖ Vol. 84, pp. 335-340, 2005. [3] J. Ding, Z. Xia, and J. Lu,‖Esterification and deactification of a waste cooking oil (TAN 68.81 mg KOH/g) for biodiesel production,‖ Energies, pp. 2683-2691, 2012. [4] Ma, and M.A Hanna,‖ Biodiesel production: a review,‖ Bioresour Technol, 70, pp. 1-15, 1999. [5] P. Thaiyasuit, K. Pianthong, and I. Worapun,‖ Acid esterificationalkaline transesterification process for methyl ester production from crude rubber seed oil,” J. Oleo. Sci.Vol. 61, (2) 81-88, 2012. [6] S. Chongkhong, U. Kanjaikaew, and C, Tongurai,‖ A Review of FFA esterification for biodiesel production,” in Proc. PSU, May 14-15, 2012. [7] S. Mohite, S. Kumar, A. Pal, and S. Maji, ―Biodiesel production from high free fatty acid feed stocks through transesterication,‖ in Proc. ICARI, pp. 113-115, 2015. [8] U. Krishnakumar, V. Sivasubramanian and V. Selvaraju,‖Physicochemical properties of the biodiesel extracted from rubber seed oil using solid metal oxide catlysts,‖ International Journal of Engineering Research and Application (IJERA), vol. 3, Issue 4, pp. 2206-2209, 2013. [9] Widayat, A. D. K. Wibowo and Hadiyanto,‖ Studi on production process of biodiesel from rubber seed (hevea brasiliensis) by in situ transesterification method with alkaline catalyzed,‖ in Proc. Chemical and Material Engineering, BRE.21-1, 2012.in_ID
dc.identifier.issn2470-4330
dc.identifier.urihttp://hdl.handle.net/11617/6559
dc.description.abstractRubber seed Oils (RSO) with high content of FFA can be treated by acid esterfication where an alcohol reacts with RSO in the presence of acid catalyst. Methanol and ethanol are the most widely that used in biodiesel process. This study aims to comparative FFA removal degree in crude RSO between methanol and ethanol on acid esterification process. The optimum conditions for acid esterification which use methanol were 0.9 v/v methanol to oil ratio, and 0.5 vol. % H2SO after 4 h. The FFA removal rate for using methanol reached 82%. Under the conditions of 0,9 v/v ethanol to oil ratio, 60oC, and 0.5vol. % H2SO4 after 4 h, the FFA removal rate of esterification reached 66%.in_ID
dc.language.isoen_USin_ID
dc.publisherUniversitas Muhammadiyah Surakartain_ID
dc.subjectacid-esterifiacationin_ID
dc.subjectFFA removalin_ID
dc.subjectrubber seed oilsin_ID
dc.titleComparative Free Fatty Acid (FFA) Removal in Crude Rubber Seed Oil between Methanol and Ethanol on Acid Esterification Process for Biodiesel Productionin_ID
dc.typeArticlein_ID


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