The Effects of Substrate Types to FAME Conversion on Acid-Catalyzed Transesterification of Crude Rice Bran Oil  

Oleh:

Rahmaniah, Orchidea

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: IPTEK: The Journal for Technology and Science vol. 18 no. 3 (Aug. 2007), page 71-77.
Topik: Acid-catalyzed; Biodiesel; Rice Bran; Crude Rice Bran Oil; Transesterification

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM48.3 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Biodiesel is an alkyl ester which is made from vegetable oils or animal fats. Indonesian biodiesel development is an urgent condition. The abundance of Indonesia's natural sources is not manage well until now, suh as rice bran. Rice bran oil is considered to be one of the most nutritious oils due to its favorable fatty acid composition and an unique combination of naturally occuring biologically active and antioxidant compounds. This present study was carried out to investigate the effects of substrate types from pure crude ricebran oil compounds on fatty acid methyl ester (FAME) formation. Experimental results shows, reaction rate of fatty acid to FAME was faster compare to triglyceride, incorporated 5% H2O to pure triglyceride substrate didn't increase the reaction rate. Rice bran oil high fatty acid content (15-70% FA) only gives 25-75% conversion. The chain lengths, double bond, degree of saturation and chemical structure of fatty acid did not influence rate reaction of transesterification. Fatty acid from different sources shows similar conversions and change in the fatty acids composition has no effect on rate of methanolysis.

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