Utilization of eggshell waste as low-cost solid base catalyst for biodiesel production from used cooking oil

Asri, Nyoman Puspa and Poedjojono, Bambang and Fujiani, R and Nuraini, Nuraini (2017) Utilization of eggshell waste as low-cost solid base catalyst for biodiesel production from used cooking oil. IOP Conference Series: Earth and Environmental Science, 67. 012021. ISSN 1755-1307

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Abstract

A solid CaO-based catalyst of waste eggshell was developed for biodiesel production from used cooking oil. The waste eggshell powder was calcined in air at 90C0º for 4 h to convert calcium species in the eggshells into active CaO catalysts. The characterization of CaO catalyst was done by XRD and BET analysis. The CaO catalyst was then introduced for transesterification of used cooking oil (UCO) for testing of its catalytic activity. The experiment was conducted in batch type reactor that consists of three-neck glass equipped by reflux condenser and magnetic stirrer. Before tranesterification process, the UCO was treated by coconut coir powder in order to reduce the free fatty acid content. The result showed that the catalyst was potentially use for transesterification of used cooking oil into biodiesel with relatively high yield of 75.92% was achieved at reaction temperature, reaction time, molar ratio UCO to methanol and catalyst amount of 65°C, 7 h, 1:15 and 6%, respectively.

Item Type:	Article
Subjects:	Q Science > Q Science (General) Q Science > QD Chemistry
Depositing User:	Mahardani Febrihapsari
Date Deposited:	24 Aug 2020 03:57
Last Modified:	24 Aug 2020 03:57
URI:	http://repository.unipra.ac.id/id/eprint/119

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