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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 Agustina Dinda Putri Larasati Agustina, Nur Indah Ahmad Munjin Nasih Ahmad Sururi Amara, Aulia Andyka Medarda Pradana Anie Yulistyorini Anugrah Ricky Wijaya Armaini, Armaini Azizatuz Zahro Berlian Enggarani Burhanuddin Ronggopuro Daratu Kusuma Eviana Putri Dedek Sukarianingsih Deni Ainur Rokhim Dewinta Yuka Siwi Dima Vici Nadia Ariefianti Dinar Rachmadika Baharintasari Dwi Ratna Wulandari Edy, Duwi Leksono Effendy Effendy Eli Hendrik Sanjaya Elinira Subandi Endang Budiasih Evy Damayanthi Fadhil Md Din, Mohd Fatmah Khairani Fauziatul Fajaroh Harno Dwi Pranowo Hartoyo Hartoyo Hayuni Retno Widarti Hayuningtyas, Inggar Firdaus Hengky Pamungkas, Yahya Hong Chen I Wayan Dasna Ida Bagus Suryadarma Imam Alfianto Intan Ainul Malik Irsyadatun Ni’mah Jacky Anggara Nenohai Januarti, Wenny Kusumaningrum, Irma Kartika Lailatur Rizqiyah Li, Yu-You Lilik Eka Radiati Lutfi Nur Azizah Mahmudah, Siti Nur Marisa Lidia Anggarwati Mauliana Nursafitri MOH. TAUFIK Mohammad Bukhori Muhammad Muchson Muhammad Roy Asrori Mujahidah, Amiroh Nabilah Muntholib Munzil Naim, Suratman S. Nazriati Nazriati dkk. Ni’mah, Irsyadatun Novida Pratiwi Nur Hikmah Nurin Fitriana Nursafitri, Mauliana Nurul Ultiyati Peter Juvenaris Manek Pitaloka, Dinda Ayu Prakasa, Yana Fajar Prastika, Frissa Rizkihati Putra, Andika Bagus Rachman, Ihsan Budi Ratna Yunita Setiyani Subardjo Retnosari, Rini Ridwan Joharmawan Rizky, M Rochmawati, Rochmawati Rohman Fantusi Rohman Fantusi Sakhi, Fillah M. Sinta Nur Laila Siti Marfuah, Siti Siti Marfu’ah Subandi Subandi Subandi, Mahfudi Sahly Suhadi Ibnu Suhadi Ibnu Suhadi Ibnu, Suhadi Sumari Sumari Suratman S. Naim Syafiuddin Syafiuddin Ulfatin, Nurul Rahma Wele, Amonius Regino Widi Dewi Ruspitasari Yahmin Yahmin Yana Fajar Prakasa Yana Fajar Prakasa Yoto Yoto, Yoto Yuski Sudana Yusuf Abdullah