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All Journal International Journal of Renewable Energy Development Jurnal Ilmu Lingkungan Bioscience Jurnal Natur Indonesia Jurnal Fisika Unand Jurnal Riset Kimia JFA (Jurnal Fisika dan Aplikasinya) Jurnal Hilirisasi IPTEKS (JHI) Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks International Journal of Renewable Energy Development
Yetria Rilda
Universitas Andalas
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Physics Public Health Social Sciences Veterinary Other

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Journal : International%20Journal%20of%20Renewable%20Energy%20Development

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Synthesis of Graphene Oxide Enriched Natural Kaolinite Clay and Its Application For Biodiesel Production Syukri Syukri; Fadhil Ferdian; Yetria Rilda; Yulia Eka Putri; Mai Efdi; Upita Septiani
International Journal of Renewable Energy Development Vol 10, No 2 (2021): May 2021
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2021.32915

Abstract

A heterogeneous catalyst is one type of catalyst which is very effective for biodiesel production; thus, in this study, a novel heterogeneous bifunctional catalyst was prepared by kaolinite clay obtained from Padang of West Sumatera and impregnated with graphene oxide and potassium hydroxide (KOH) for the simultaneous esterification and transesterification reactions of palm oil into biodiesel. For comparison, two other catalysts were also prepared. The first catalyst was the same clay which was heated at 450ºC for 4 hours, and the second catalyst was the same clay which was impregnated with potassium hydroxide (KOH) only. The three catalysts were characterized using X-Ray Fluorescence (XRF), X-Ray Diffraction (XRD), and Fourier Transform Infra-Red (FTIR). XRF analysis showed that the clay sample’s main composition consisted of 54% silica, 35% alumina, and 7% hematite. The XRD analysis results showed that the most dominant crystal composition was quartz, kaolinite, and hematite. The analysis results using FTIR showed a change in intensity and shift in wave numbers indicating a cation exchange. The catalytic activity test was carried out with a ratio of oil and methanol 1:6, catalyst amount 5%, 60ºC reaction temperature, and 4 hours of reaction time.The results showed that the catalytic activity of clays impregnated with graphene oxide and potassium hydroxide was better with a yield of 58% compared to clays without impregnation and other clays that were only impregnated with KOH under the yields of 0.8% and 0.4%, respectively
Co-Authors Abdi Dharma Admi Admi Admin Alief Admin Alif Admin Alif Alif, Admin Anthoni Agustien Armaini - Armaini Armaini Baharuddin Shaleh Dahyunir Dahlan F Febrielviyanti Fadhil Ferdian Fivi Mona Bareno Florencia Tri Angellika Harmadi Harmadi Hermansyah Aziz Ilsa Septia Putri Imelda Imelda Irdawati Irdawati Mai Efdi Netti Suharti Norman Ferdinal Novesar Jamarun Rahmatika Yani Rahmiana Zein Refilda Refilda Refinel - Safni Safni Siti Hajir Sumaryati Syukur Suryati Suryati Syamsuardi Syamsuardi Syukri Arief Syukri Syukri Syukri Syukri Tommi Hermansyah Upita Septiani Yefrida Yefrida Yulia Eka Putri Yulizar Yusuf Zilfa Zilfa Zulkarnain Chaidir