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Waste ostrich- and chicken-eggshells as heterogeneous base catalyst for biodiesel production from used cooking oil: catalyst characterization and biodiesel yield performance


Citation

Yie, Hua Tan and Abdullah, Mohammad Omar and Hipolito, Cirilo Nolasco and Yap, Taufiq Yun Hin (2015) Waste ostrich- and chicken-eggshells as heterogeneous base catalyst for biodiesel production from used cooking oil: catalyst characterization and biodiesel yield performance. Applied Energy, 160. pp. 58-70. ISSN 0306-2619; ESSN: 1872-9118

Abstract

The primary goal of this paper is to investigate the catalyst characterization and biodiesel yield of a bio- diesel converted from a used cooking oil source via heterogeneous catalysts derived from very rare type of eggshell: ostrich-eggshell (ostrich-eggshell derived CaO). It also aims to compare the performance of CaO catalyst derived from both waste ostrich-eggshell and the conventional chicken-eggshell, and to find the optimum conditions for biodiesel production. The prepared catalysts were then characterized by using XRD, FT-IR, BET, SEM, TGA and CO2-TPD. The parametric effects on the biodiesel production, such as catalyst concentration, molar ratio of methanol to oil, reaction temperature, reaction time, speed and reusability of the catalyst were investigated. The experimental result showed that 1.5 wt.% catalyst,12:1 M ratio of methanol to oil, 65°C reaction temperature, 2 h reaction time with speed of 250 rpm gave the best results. It was found that the ostrich-eggshell derived CaO catalyst shows higher surface area,higher basicity and smaller particle size. The maximum biodiesel yield is 96% and 94% for calcined ostrich-eggshell and chicken-eggshell, respectively. The CaO catalyst derived from waste calcined ostrich and chicken-eggshell maintained a good catalytic activity even after being repeatedly used for 5 cycles with yield around 70%, which implies potential saving and affordable biodiesel production possibilities.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
DOI Number: https://doi.org/10.1016/j.apenergy.2015.09.023
Publisher: Pergamon Press
Keywords: Biodiesel production; Waste cooking oil; Ostrich-eggshell; Chicken-eggshell; Heterogeneous catalyst; Transesterification
Depositing User: Nida Hidayati Ghazali
Date Deposited: 30 Jan 2018 07:07
Last Modified: 30 Jan 2018 07:07
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.apenergy.2015.09.023
URI: http://psasir.upm.edu.my/id/eprint/46877
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