| Issue |
MATEC Web Conf.
Volume 156, 2018
The 24th Regional Symposium on Chemical Engineering (RSCE 2017)
|
|
|---|---|---|
| Article Number | 03056 | |
| Number of page(s) | 4 | |
| Section | Processes for Energy and Environment | |
| DOI | https://doi.org/10.1051/matecconf/201815603056 | |
| Published online | 14 March 2018 | |
Production of Biodiesel from Mixed Waste Cooking and Castor Oil
1
Chemical Engineering Department, Faculty of Engineering, Universiats Diponegoro
2
Master program of Environmental Sciences, School of Postgraduate Studies, Universitas Diponegoro
3
Center of Biomass and Renewable Energy(CBIORE), Universitas Diponegoro
* Corresponding author: hadiyanto@live.undip.ac.id
Due to increasing population growth, the consumption and needs of energy increase significantly. This leads Indonesia government to search alternative energy to cover the lacks of fossil energy reserves. Biodiesel is one of the prospective alternative energy which are renewable and environmental friendly. A common problem in large-scale biodiesel production is the sustainability of feedstock and the biodiesel stability. Therefore, the purpose of this study was to evaluate the production of biodiesel from two oil sources i.e. waste cooking oil and castor oil. This study examined the effect of mixed oil ratio on yield, biodiesel characteristics and stability. The physical properties included kinematic viscosity, acid number, saponification number, iodine number and cetane number have been evaluated as function of oil ratio. Yield of biodiesel was obtained at 35.07%, 99.2% and 83.69% for jatropha:castor oil ratio of 1: 0, 1: 2 and 2: 1, respectively. Most of these characteristics showed an increase by increasing the oil ratio. The result concluded that at the ratio of 1:1(v/v) was the best characteristic and stability.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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