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A Review of Ultrasonic-Assisted Transesterification and Kinetics Reaction for Biodiesel Production based on Enzimatic Catalyst

1Department of Chemical Engineering, Faculty of Engineering and Science, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya, East Java, 60294, Indonesia, Indonesia

2Department of Chemisty, Kulliyah of Science, IIUM Kuantan, Pahang, Malaysia

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Open Access Copyright (c) 2026 by Authors, Published by Vocational College of Universitas Diponegoro
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Abstract

Growing global energy demand has encouraged the development of biodiesel as a renewable energy source. Non-edible oils are considered promising feedstocks because they do not compete with food resources; however, their high free fatty acid content, viscosity, and water content present challenges for conventional transesterification processes. This study aims to analyze the use of lipase catalysts and ultrasonic technology in biodiesel production from non-edible oils through a Systematic Literature Review (SLR) approach. The review evaluates catalyst performance, biodiesel yield, reaction efficiency, and kinetic characteristics reported in previous studies. The results indicate that lipase catalysts provide environmentally friendly processing, simpler purification, and high-quality biodiesel production, particularly when immobilized enzymes are applied. Various non-edible oils, including Jatropha curcas, Mahua, and Pongamia pinnata, achieved high conversion efficiencies, while ultrasonic assistance consistently enhanced mass transfer, accelerated reaction rates, and produced biodiesel yields above 90% within shorter reaction times. In addition, kinetic studies showed that activation energy values varied depending on feedstock and catalyst properties. Overall, the integration of lipase catalysis and ultrasonication demonstrates significant potential for efficient and sustainable biodiesel production from non-edible oils.

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Keywords: Biodiesel; Non-edible oils; Lipase catalyst; Ultrasonication;

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Section: Review Articles
Language : EN

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