Co-Solvent Free Electrochemical Synthesis of Biodiesel Using Graphite Electrode and Waste Concrete Heterogeneous Catalyst: Optimization of Biodiesel Yield

*Wiyogo Prio Wicaksono scopus  -  Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Indonesia
Sekar Asmara Jati  -  Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Indonesia
Ika Yanti  -  Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Indonesia
Prastika Krisma Jiwanti  -  Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Indonesia
Received: 8 Feb 2021; Revised: 23 Mar 2021; Accepted: 23 Mar 2021; Published: 31 Mar 2021; Available online: 25 Mar 2011.
Open Access Copyright (c) 2021 by Authors, Published by BCREC Group
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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This study optimized a co-solvent free electrochemical method for biodiesel synthesis using graphite electrode and waste concrete heterogeneous catalyst. Various parameters were evaluated, including: applied voltage (9.6, 14.4, 19.2 V), catalyst particle size uniformity (unfiltered and filtered with 150 mesh), and reaction time (15, 30, 120, 240 min). The results obtained 100% FAME content and 78.51% of biodiesel yield that were achieved at 14.4 V within 30 min using filtered catalyst and cooking oil feedstock. However, a slight decline was observed with the use of waste cooking oil. This optimized method offers a reliable and simple condition for mass biodiesel production. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (


Keywords: Electrochemical Synthesis; Biodiesel; Waste Concrete; Heterogeneous Catalyst; Waste Cooking Oil
Funding: Universitas Islam Indonesia

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