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All Journal International Journal of Advances in Applied Sciences Jurnal IPTEK KOVALEN: Jurnal Riset Kimia Chemistry in Education Jurnal Rekayasa Bahan Alam dan Energi Berkelanjutan JKTP: Jurnal Kajian Teknologi Pendidikan Jurnal Administrasi dan Manajemen Pendidikan Chemistry Indonesian Journal of Chemical Research Jurnal Fisika : Fisika Sains dan Aplikasinya Fullerene Journal of Chemistry Stannum : Jurnal Sains dan Terapan Kimia JAMP : Jurnal Administrasi dan Manajemen Pendidikan Indonesian Journal for Social Responsibility International Journal of Islamic Khazanah Journal of Engineering Science and Technology Prosiding Seminar Nasional Pengabdian kepada Masyarakat (SINAPMAS)
Muhammad Roy Asrori
Universitas Negeri Malang
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Concentration Effect of MgO/K2O Catalyst on Transesterification of Castor Seed (Ricinus communis) Oil: Pengaruh Konsentrasi Katalis MgO/K2O pada Transesterifikasi Minyak Biji Jarak (Ricinus communis) Santoso, Aman; Sumari, Sumari; Asrori, Muhammad Roy; Ni’mah, Irsyadatun
Stannum : Jurnal Sains dan Terapan Kimia Vol 6 No 2 (2024): October 2024
Publisher : Department of Chemistry - Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jstk.v6i2.4692

Abstract

Fatty acid methyl esters can be obtained from the synthesis of vegetable oil with methanol using a base catalyst. Vegetable oil has the potential as biodiesel feedstock, the methyl ester character of various vegetable oils is different as from castor seed oil. Synthesis of methyl esters by transesterification reaction with the addition of a heterogeneous catalyst, namely MgO/K2O. The purpose of this study was to synthesize methyl esters from castor seed oil with MgO/K2O catalyst and to determine the yield and character. The research went through 6 stages which included (1) isolation of castor seed oil, (2) determination of free fatty acid (ALB) levels of castor seed oil, (3) manufacture of MgO/K2O catalyst (4) esterification of castor seed oil with H2SO4 catalyst (5) transesterification of jatropha seed oil with methanol and various variations in the concentration of the catalyst MgO/K2O 1%, 2%, 3%, (6) characterization of the synthesized methyl ester which includes tests of density, viscosity, acid number, refractive index and moisture content. The results showed that the concentration of MgO/K2O had an effect on the synthesis of methyl esters from castor seed oil, where the optimization condition was achieved at a concentration of 2% MgO/K2O with a yield of 97.99%. The methyl ester character which is synthesized from castor seed oil with a 2% MgO/K2O catalyst is having a density of 1.0244 g/mL, a viscosity of 22.531 cSt, an acid number of 2.81 g KOH/g methyl ester, a refractive index of 1.456, and a moisture content. 0.035%.
Co-Authors Agustina, Nur Indah Ahmad Faikul Anam Ahmad Nashih Anis Zubaidy Aman Santoso Anam, Ahmad Faikul Andyka Medarda Pradana Anugrah Ricky Wijaya Armaini, Armaini Bambang Wahyudi Deni Ainur Rokhim Dinar Rachmadika Baharintasari Dinar Rachmadika Baharintasari Eli Hendrik Sanjaya Evy Damayanthi Firda Amalia Fitriyah, Zakiyatul Habiddin Hayuni Retno Widarti Irsyadatun Ni’mah Januarti, Wenny Lilik Eka Radiati Mahmudah, Siti Nur Mujahidah, Amiroh Nabilah Muntholib Ni’mah, Irsyadatun Nur Chairini Peni, Ristiwi Prakasa, Yana Fajar Putra, Arif Putra, Moch Chesa Nur Hidayat Arif Retnosari, Rini Rizky, M Sinta Nur Laila Sumari Sumari Wahyudi, Asnan Wele, Amonius Regino Yana Fajar Prakasa Yana Fajar Prakasa Yudhi Utomo Zakiyatul Fitriyah Zubaidah R, Zubaidah Zubaidah Zubaidah Zubaidy, Ahmad Nashih Anis