Pengaruh Micro Crystalline Cellulose Terhadap Sintesis Oksida Logam CeFeNiO3 untuk Reaksi Deoksigenasi Minyak Goreng Bekas

Al Khawrizmi, Muhammad Farras (2025) Pengaruh Micro Crystalline Cellulose Terhadap Sintesis Oksida Logam CeFeNiO3 untuk Reaksi Deoksigenasi Minyak Goreng Bekas. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Penelitian ini mengeksplorasi sintesis katalis oksida logam CeFeNiO₃ menggunakan Microcrystalline Cellulose (MCC) sebagai templat untuk mengoptimalkan reaksi deoksigenasi minyak goreng bekas menjadi biofuel. Katalis disintesis melalui metode in situ dengan variasi micro crystalline cellulose (0; 0,5 dan 1,5)%. Karakterisasi menggunakan XRD menunjukkan pelebaran puncak difraksi akibat porositas oleh micro crystalline cellulose, pada FTIR di sekitar puncak 3400–3600 cm⁻¹ menunjukkan pembentukan kerangka oksida logam dengan mengurangi gugus hidroksil setelah kalsinasi. Hasil BET menunjukkan bahwa penambahan micro crystalline cellulose menurunkan luas permukaan spesifik katalis dari 120 m²/g menjadi sekitar 90 m²/g, namun ukuran pori rata-rata meningkat dari 2,2 nm menjadi 3,6 nm, sementara volume pori total naik dari 0,09 cm³/g menjadi 0,15 cm³/g. Uji katalitik pada reaksi deoksigenasi WCO pada suhu 360 °C selama 4 jam menunjukkan bahwa katalis CeFeNiO₃-1,5 menghasilkan yield produk cair tertinggi dengan selektivitas hidrokarbon di atas 95%, mendominasi fraksi C15–C17 sebagai parafin. Analisis GC-MS mengonfirmasi bahwa katalis ini unggul dalam menghasilkan hidrokarbon dengan rantai karbon panjang yang stabil. Secara keseluruhan, micro crystalline cellulose terbukti meningkatkan efisiensi dan selektivitas proses deoksigenasi melalui pembentukan struktur pori yang optimal, menjadikannya templat yang potensial dalam pengembangan katalis untuk aplikasi biofuel.
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This study explores the synthesis of metal oxide catalysts metal oxide catalyst CeFeNiO₃ using Microcrystalline Cellulose (MCC) as a template to optimize the deoxygenation reaction of used cooking oil into template to optimize the deoxygenation reaction of used cooking oil into biofuel. biofuel. The catalyst was synthesized through in situ method with variation of micro crystalline cellulose (0; 0.5 and 1.5)%. Characterization using XRD showed widening of diffraction peaks due to porosity by micro crystalline cellulose. due to porosity by micro crystalline cellulose, on FTIR around the peak of 3400-3600 cm-¹ showed the formation of metal oxide framework by reducing hydroxyl groups after calcination. calcination. BET results showed that the addition of micro crystalline cellulose decreased the specific surface area of the catalyst from 120 m²/g to about 90 m²/g. from 120 m²/g to about 90 m²/g, however, the average pore size size increased from 2.2 nm to 3.6 nm, while the total pore volume increased from 0.09 cm³. volume increased from 0.09 cm³/g to 0.15 cm³/g. Catalytic tests on the deoxygenation reaction of waste cooking oil at 360°C for 4 h. showed that the CeFeNiO₃-1.5 catalyst produced the highest liquid product yields with hydrocarbon selectivity above 95%, dominating the C15-C17 fraction as paraffin. paraffin. GC-MS analysis confirmed that this catalyst excels in producing hydrocarbons with stable long carbon chains. Overall, micro crystalline cellulose was shown to improve the efficiency and selectivity of the deoxygenation process through the formation of an optimized pore structure, making it a potential a potential template in catalyst development for biofuel applications.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	minyak goreng bekas, biofuel, deoksigenasi, katalis oksida logam, Microcrystalline Cellulose, waste cooking oil, deoxygenation, metal oxide catalyst
Subjects:	Q Science > QD Chemistry > QD501 Catalysis. Catalysts.
Divisions:	Faculty of Science and Data Analytics (SCIENTICS) > Chemistry > 47201-(S1) Undergraduate Thesis
Depositing User:	Muhammad Farras Al Khawarizmi
Date Deposited:	03 Feb 2025 21:14
Last Modified:	03 Feb 2025 21:14
URI:	http://repository.its.ac.id/id/eprint/117951

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