PENGARUH KANDUNGAN ASAM LEMAK BEBAS PADA LIMBAH MINYAK TERHADAP RENDEMEN DAN KARAKTERISTIK BIODIESEL

Budiyanto, Budiyanto (2014) PENGARUH KANDUNGAN ASAM LEMAK BEBAS PADA LIMBAH MINYAK TERHADAP RENDEMEN DAN KARAKTERISTIK BIODIESEL. In: SEMIRATA Dekan BKS-PTN Wilayah Barat Bidang Ilmu-Ilmu Pertanian, 23-25 Mei 2010, Bengkulu.

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Abstract

The objeetive of the study is to optimiz, ,"mnffie oil extracted from (PO-lvG). parm oil t titt prnu.rtPOME samples from PT Bio Ntrsantara were colected from lst sewage pond at various time wihin-one month period. The oil was extracted form POME at PT Bio Nusaritara Bengkulu. The oil was bleached degummed followed by determination samples with various FFA were processed of free fatty acid @FA) conteit. Eleven oil into methyl ester throupfi esterification with methanol and acid catalist followed by transesterification using methanol and NabH as a base catalist. The yield of ttre methyl esther were determined after each methyl ester completely separated form glicerol, water andother product of esterification and transesterificition of the methyl ester (Viscocity, determined on each produ-ct reactionreaction.'Similarly the characteristic water content, pour point, acid valug dersity, and cloud point) were of methyl ester. Thi relationship FFA of the oil and the yield oi the related metlryl esther will be evaluated. In addition the characteristic of methyl ester produci will be compared witr SM standard of diesel oil. The result indicat that the higher FFA content of the oil extracted from POI\dE would resulted in higher yield of methyl ester. Howeier the avarage characteristic of the methyl ester rryere close to SNI standard, except its viscosity and rvater content. Key words: Methyl ester, POME, esterifi kasi,transesterifi kasi

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