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Journal : Jurnal IPTEK

Biodiesel Characterization Study from Castor Oil (Jatropha Curcas L) with CaO/K2O Catalyst Santoso, Aman; Sumari, Sumari; Asrori, Muhammad Roy; Januarti, Wenny
Jurnal IPTEK Vol 27, No 2 (2023): December
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2023.v27i2.4188

Abstract

Biodiesel is still being developed as a renewable fuel to replace a diesel fuel. Biodiesel production of castor oil has high potential because the oil did not compete with foods. Furthermore, a transesterification process can be optimized by heterogeneous base catalysts. Thus, this study aims to: (1) synthesize CaO/K2O catalysts to be used in the transesterification process, (2) synthesize biodiesel of castor oil and characterize it according to SNI 7182:2015, and (3) study the effect of CaO/K2O variations on biodiesel product. This laboratory experimental research was carried out in the following stages: (1) characterization of castor oil, (2) esterification, (3) preparation of CaO/K2O catalyst, (4) transesterification, and (5) characterization of the synthesized methyl ester. The results showed that the characterization of castor oil included a density of 1.074 g/mL, an acid number of 9.5 mg/g, a free fatty acid (FFA) of 5.09%, and a viscosity of 701 cSt. Stratified esterification and transesterification showed a significant effect on reducing FFA, so the characterization of the transesterified methyl ester from the best catalyst variations (CaO/K2O 1:2) included a density of 1.016 g/mL, an acid number of 1.1 mg/g, FFA content of 0.58%, moisture content of 1.1%, viscosity 43.55 cSt, and refractive index (25) of 1.466.
Co-Authors A. Alif Mardianto Adilah Aliyatulmuna Agus Budianto Agustina, Nur Indah Aldwinarta, Farrel Hafiz Aman Santos Aman Santoso Amanatin, Alfitia Dwi Andyka Medarda Pradana Antonia, Vonny Anugrah Ricky Wijaya Ciptawati, Endang Cylindrica, Vrisca Bella Dedek Sukarianingsih Devi Indrasari Mustopa Putri Dinar Rachmadika Baharintasari Dinar Rachmadika Baharintasari Dwi Ratna Wulandari Effendy Effendy Eli Hendrik Sanjaya Endang Budiasih Evi Susanti Fadila Abna Swari Faizah, Siti Farashinta Nadia Fauziah, Putri Nanda Fauziatul Fajaroh FITRIYAH, IDA Ganden Supriyanto Habiddin Hadi Nur Hadi Nur Hadi Nur Handoko Darmokoesomo I Wayan Dasna Ida Bagus Suryadarma Ida Bagus Suryadharma Iklima, Ilma Kanzu Ima Rosyida Indah Nur Pramesti Irsyadatun Ni’mah Izzah, Dewi Jalinan Jacky Anggara Nenohai Januarti, Wenny Kelvert Kong Kinanthi, Bilqis Rahma Lailatul Ilmiyah Lailatur Rizqiyah Liqanatul Putri Sholikah Ma'ruf, Umar Mahmudah, Siti Nur Mardhiyyah, Cut Ainul Mardianto, A. Alif Marfu'ah, Sitti Margaret Pandaleke Mauliana Nursafitri Maya Sari Muhammad Roy Asrori Mukhamad Nurhadi, Mukhamad Muntholib Munzil Nareswari, Tsalis Jauza Nazriati Nazriati dkk. Ni’mah, Irsyadatun Novi Andriani Novi Andriani, Novi Nur Arief Nugroho Nur Indah Agustina Nur, Abdillah Mushawwir An Nurin Fitriana Nursafitri, Mauliana Permatasari, Suryani Indah Prakasa, Yana Fajar Priska Yohanita Sodanango Purbo Suwasono Putri Hapsari, Mamila Putri Qori Utami Rachman, Ihsan Budi Ratna Kusumawardani, Ratna Retnosari, Rini Ridwan Joharmawan Rizky, M Rohman Fantusi Rohman Fantusi Ryansyah, Hardi Sakhi, Fillah M. Santa, Eldat Wira Santosa Santosa Setiawan, Nur Candra Eka Sholikah, Liqanatul Putri Siew Fan Wong Sin Yuan Lai Sin Yuan Lai Sinta Nur Laila Siti Marfuah, Siti Siti Marfu’ah SRI RAHAYU Suharti Suryani Indah Permatasari Syafiuddin Syafiuddin Taupik Hidayat, Taupik Teguh Wirawan Vrisca Bella Cylindrica Wahyu S. Pambudi Wahyu Setyo Pambudi Wele, Amonius Regino Wiwin Dwi Nurpitasari Yahmin Yahmin Yana Fajar Prakasa Yana Fajar Prakasa Yudhi Utomo Yulianto, Andik Yulisya Zuriatni Yuneta Dwi Yunisari Zhiying Zhu Zuniarto, Ahmad Azrul