Kusumocahyo, Samuel P. (2022) Removal of glycerol from biodiesel using multi-stage microfiltration membrane system: industrial scale process simulation. Chemical Product and Process Modeling. ISSN 1934-2659
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Abstract
Biodiesel purification is one of the most important downstream processes in biodiesel industries. The removal of glycerol from crude biodiesel is commonly conducted by an extraction method using water, however this method results in a vast amount of wastewater and needs a lot of energy. In this study, microfiltration membrane was used to remove glycerol from biodiesel, and a process simulation was carried out for an industrial scale biodiesel purification plant using a microfiltration membrane system. The microfiltration experiment using a simulated feed solution of biodiesel containing glycerol and water showed that the membrane process produced purified biodiesel that met the international standards. The result of the process simulation of a multi-stage membrane system showed that the membrane area could be minimized by optimizing the concentration factor of every stage with the aid of a computer program that was written in Phyton programming language with Visual Studio Code. The overall productivity of a single stage membrane system was the same with that of the multi-stage system, however the single stage system required a larger membrane area. To produce 750 m3 day−1 of purified biodiesel, a multi-stage membrane system consisting of 10 membrane modules required a total membrane area of 1515 m2 that was 57% smaller compared to the single stage system consisting of one membrane module. This membrane area reduction was equivalent to a reduction of the total capital cost of 30%. Based on the analysis of the total capital cost, it was found that the optimum number of stages was 4 since it showed a minimum value of the total capital cost with a membrane area of 1620 m2 that was equivalent to the reduction of the total capital cost of 34%. The result of this simulation showed that the multi-stage microfiltration membrane has great potential to replace the conventional method in biodiesel industries.
| Item Type: | Article |
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| Uncontrolled Keywords: | Biodiesel, Glycerol, Microfiltration membrane, Process simulation, Purification |
| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering |
| Divisions: | Faculty of Life Sciences and Technology |
| Depositing User: | Faisal Ifzaldi |
| Date Deposited: | 02 Mar 2023 09:26 |
| Last Modified: | 02 Mar 2023 09:26 |
| URI: | http://repository.sgu.ac.id/id/eprint/2412 |
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