The Utilization Of Palm Oil Mill Effluent For Renewable Energy

Rahma Nuryanti, Tuty Emilia Agustina, Tuti Indah Sari

Abstract


The necessary of energy in the world as well as in Indonesia has increased more and more, so the efforts that can be done is looking for the other energy sources known as renewable energy. Biodiesel is one of the types of fuel produced by the plant's oil or animal fat. The objective of the research is to utilize the palm oil mill effluent (POME) for making the biodiesel. The raw material has been extracted from the POME by using the variation of solvent, the extraction time and the effluent to solvent volume ratio. The best of 81.07%  rendement oil of the oil in the sample taken was found when using n-hexane as the solvent, extraction time of 3 days, and effluent to solvent volume ratio of 1:1. The extracted oil has a high acid number, so it should be continued by using the process of esterification and transesterification to make biodiesel. The HCl catalyst ratio of 1.25% (%v) was used in the esterification process, and the best result in decreasing the acid number of 2.08 mg-KOH/gr was reached. The process was continued with the transesterification reaction using 1.5% (%w) of NaOH catalyst of the oil weight. The characteristics of the biodiesel produced were in accordance with  SNI 04-7182-2006.

 


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