Development of Magnetic Multi-Shelled Hollow Catalyst for Biodiesel Production

Liang Zhou, Jingang Yao, Zhaoxia Ren, Zhenqiang Yu and Hongzhen Cai
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Liang Zhou: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
Jingang Yao: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
Zhaoxia Ren: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
Zhenqiang Yu: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
Hongzhen Cai: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China

Energies, 2020, vol. 13, issue 11, 1-14

Abstract: The magnetic CaO-based catalyst has endorsed great enhancements in biodiesel synthesis. In the present work, novel multi-shelled hollow γ-Fe 2 O 3 stabilized CaO microspheres were synthesized using a facile one-step hydrothermal method. The strategy revealed that the well-defined multi-shelled hollow structures were formed with magnetism; the presence of γ-Fe 2 O 3 was the key for the effective structural stabilization, and the multi-shelled hollow structures provided the sites for the active material. The synthesized catalyst was employed for the preparation of biodiesel by transesterification of palm oil and methanol. A four factors response surface methodology was adopted for optimizing the reaction conditions. Ca80Fe20 with a yield of 96.12% performed the highest catalytic activity under reaction conditions of 2 h, a methanol to oil ratio of 12:1, 65 °C and 11 wt. % of catalyst dosage. The catalyst under the optimum transesterification conditions also performed a better recyclability (>85%). In addition, the response surface methodology (RSM) based on the Box–Behnken design was used to optimize the four reaction parameters.

Keywords: biodiesel; transesterification; multi-shelled hollow; CaO; ?-Fe 2 O 3; RSM (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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