Simulation of Rice Bran Oil Transesterification Process for Biodiesel Production

DOI

10.2991/aer.k.201221.063How to use a DOI?

Keywords

biodiesel, rice bran oil, transesterification, simulation

Abstract

World energy demand continues to increase rapidly. Meanwhile the non-renewable sources of energy keep decreasing. To overcome this situation, many studies to produce energy from renewable source has been developed and tested. From many available options, biodiesel is one of renewable energy that has been researched and implemented. To produce biodiesel the most common feedstock is vegetable oil. In Indonesia, there are many plants that have potential to produce vegetable oil. The waste of abundant plant that have potential to be used to produced biodiesel is rice bran. The rice bran oil composition is around 20%-wt. Fatty acid in form of triglycerides and free fatty acids (FFA) are the most substances that make-up vegetable oil. Each of vegetable oil has different fatty acid composition. For rice bran oil, the dominant fatty acids are oleic acid, linoleic acid, and palmitic acid. Biodiesel can be produced via transesterification of vegetable oil with glycerol as by-product. Generally, in transesterification process vegetable oil is reacted with alcohol and base as catalyst. Aspen Hysys was used to simulate the process of biodiesel production rice bran oil. In the simulation the rice bran oil is assumed as triolein (43.1%), trilinolein (33.2%), tripalmitin (18.8%), and oleic acid (4.9%) as FFA. The transesterification reactor operating conditions was set at 65C and 1 bar. The reaction conversion was assumed to be 100% and with oil to methanol mole ratio 1:6. The process continued with recovery of excess methanol and glycerol separation. Simulation result that from 110 L/h rice bran oil can be converted into 114 L/h crude biodiesel and 8.3 L/h glycerol as by-product. Around 99.5 % of excess methanol can be recovered.

Copyright

© 2020, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Dhyna Analyes Trirahayu
PY  - 2020
DA  - 2020/12/22
TI  - Simulation of Rice Bran Oil Transesterification Process for Biodiesel Production
BT  - Proceedings of the International Seminar of Science and Applied Technology (ISSAT 2020)
PB  - Atlantis Press
SP  - 384
EP  - 387
SN  - 2352-5401
UR  - https://doi.org/10.2991/aer.k.201221.063
DO  - 10.2991/aer.k.201221.063
ID  - Trirahayu2020
ER  -