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KyMg1−xZn1+xO3 as a heterogeneous catalyst in the transesterification of palm oil to fatty acid methyl esters

Paper ID Volume ID Publish Year Pages File Format Full-Text
42403 45923 2009 8 PDF Available
Title
KyMg1−xZn1+xO3 as a heterogeneous catalyst in the transesterification of palm oil to fatty acid methyl esters
Abstract

An active heterogeneous catalyst of the type KyMg1−xZn1+xO3 that separates easily from an ester product mixture has been developed. The catalytic efficiency was studied with the transesterification of palm oil into fatty acid methyl esters. The catalyst was thermally treated at 461 °C for 4 h. A typical K2Mg0.34Zn1.66O3 oxide was characterized with powder X-ray diffraction and infrared Fourier transform, and its microstructure was studied by the use of scanning electron microscopy. The properties studied provided insight into the catalytic performance of the catalyst. The optimum conditions were obtained by varying parameters such as methanol to oil ratio, catalyst loading, temperature and time. The highest ester conversion of 87% was achieved under atmospheric pressure in 5 h at 188 °C using 64 g of refined palm oil, 38 g of methanol and 2.3 wt% catalyst dosage. The results showed that a synergetic effect of active components was responsible for its high activity.

Graphical abstractAn active heterogeneous catalyst has been developed. The catalytic efficiency was studied with the transesterification of palm oil into fatty acid methyl esters. Thermal treatment of the catalyst at 461 °C for 4 h was carried out. The results showed that a synergetic effect of active components was responsible for its high activity.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Methyl esters; KMgZnO oxide; Palm oil; Catalyst; Transesterification
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KyMg1−xZn1+xO3 as a heterogeneous catalyst in the transesterification of palm oil to fatty acid methyl esters
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 371, Issues 1–2, 15 December 2009, Pages 191–198
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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