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All Journal Jurnal Teknik Terapan (J-TETA)
Christin Octaviani Sitanggang
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Karakterisasi dan Optimasi penggunaan Katalis CaO/SiO₂ dari Biomassa untuk Sintesis Biodiesel dari Minyak Jelantah Dian, Amalia; Meka Saima Perdani; Hilman Imadul Umam; Christin Octaviani Sitanggang; Eti Ayu Nurhana
Jurnal Teknik Terapan Vol. 4 No. 2 (2025): Oktober
Publisher : P3M Politeknik Negeri Jember

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Abstract

Environmentally friendly biodiesel can be produced from used cooking oil through transesterification with heterogeneous catalysts. This study synthesized CaO–SiO₂ catalysts from eggshells and rice husks through calcination and impregnation, with a reaction at 65°C, an oil:methanol ratio of 1:9, and a catalyst variation of 4–8%. FTIR, SEM, and BET characterizations showed the presence of CaO and Si–O–Si with porous morphology and surface area that support catalytic activity. The best results were achieved at 4% catalyst with a conversion of 63.64%, demonstrating the potential of biomass as a sustainable catalyst for biodiesel production.
Co-Authors Dian, Amalia Eti Ayu Nurhana Hilman Imadul Umam Meka Saima Perdani