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Journal : International Journal of Renewable Energy Development

Immobilized L-arginine on methacrylate polymer as reusable heterogeneous catalyst for crude palm oil transesterification Erwanto, Erwanto; Warsito, Warsito; Sabarudin, Akhmad; Mardiana, Diah; Iftitah, Elvina Dhiaul
International Journal of Renewable Energy Development Vol 15, No 3 (2026): May 2026
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2026.61761

Abstract

The development of enviromentally friendly and reusable heterogenous catalyst has attracted significant attention for sustainable biodiesel production from low-cost feedstocks such as crude palm oil (CPO). This study aims to synthesize and evaluate an L-arginine immobilized methacrylate-based porous polymer as an efficient and reusable heterogenous base catalyst for CPO transesterification. In this study, a porous polymer synthesized from glycidyl methacrylate (GM) and ethylene glycol dimethacrylate (EGD), denoted as poly(GM-co-EGD), was employed as a support matrix for L-arginine immobilization to develop an efficient heterogeneous base catalyst for the transesterification of CPO. The catalyst was prepared via free radical polymerization followed by covalent immobilization of L-arginine onto the porous polymer framework. FESEM analysis revealed a well-developed interconnected porous morphology, which was further supported by textural characterization showing a high BET surface area of 650 m² g⁻¹ and a total pore volume of 2.07 cm³ g⁻¹. FTIR spectra confirmed the successful chemical bonding between L-arginine and the polymer matrix. Thermogravimetric analysis indicated good thermal stability of the polymeric catalyst up to 120 °C, suitable for transesterification conditions. The basic strength evaluated using Hammett indicators showed moderate-to-strong basicity (9.9 < H_ < 12), while quantitative back titration with benzoic acid revealed that the catalyst with a poly(GM-co-EGD):L-arginine ratio of 1:2 exhibited the highest total basicity of 1.01 mmol g⁻¹. Process optimization using Response Surface Methodology with a Box–Behnken design produced a highly accurate quadratic model (R² = 0.9992). Under optimal conditions, a biodiesel yield of 82.34 ± 1.08% was achieved, consistent with model predictions. The catalyst maintained stable performance over five consecutive cycles, demonstrating its potential as a green and sustainable catalyst for biodiesel production from CPO.
Co-Authors Abdul Fattah, Muhamad Faris Abdul Rasyid Abdullah Aman Damai Abhirama, Farid Abid, M. Alwi Abimanyu, Muhammad Rakha Adipura, Anandri Indra Afif, Dwi Agustina Afrianti, Zulvina Agung Budiyanto Agustina, Aryanti Ahmad Salabi Akhmad Sabarudin Alamanda, Raddien Laduni Alfriani, Try Hardianti Algaza, Haradat Tahrir Ali Abdul Wakhid Ali Husni Alya, Anggit Andika, Wahyu Andriani, Hertya Anggriani, Melda Anisyah, Anisyah Anjani, Valendia Dwi Anjarsari, Reny Antika, Dea Mela Apriliana, Anisa Dwi ARDIANSYAH ARDIANSYAH Arif Qisthon Arifin, Muhammad Deni Aris Prio Agus Santoso Arisandi, Risky Ariyanto Ariyanto Asraf, Asraf Aswin, Fajar Atmaja, Dimas Surya Aulia, Putri Resti Aviati S., Yuniar Avriyansah, Illham Bambang Sulistyo Contessa, Emilia Dakhlan, Akhmad Darensyah, Marcel Darningwati, Darningwati Darta, Yuli Devi Puspita Diah Mardiana Dian Mariska Dian Septinova Diaulhaq, Faisal Diyanto, Agus Doni Ramadhan, Doni Dwinta Widya Navita Efendi, Mutiara Putri Elshifa, Aria Elvina Dhiaul Iftitah Emilia Emilia Endang Endang, Endang Endang, Endang Eti Hadiati FAIZ, HARUN Farida Fathul Fitria Tsani Farda Fitriyani Fitriyani Fransisca, Amaylia Fratama, Dona Fratama, Welcy Hamim Sudarsono . Hanafi, Isniah Harsono, Abimanyu Hartiningsih Astuti Haruni Ode Harwadi, Harwadi Hasiib, Etha' Aziza Hati, Diah Permata Heni Arinda Herlinda Herlinda, Herlinda Hidayati, Ira Husman, Husman Ika Cahyaningrum Ikram Yakin Ilham Ary Wahyudie Imelda, Meilita Indra Adipura, Anandri Irawan Saputra Irawan, Bayu Hadi Setya Irwansyah, Ricky Khaira Nova Khairunisa, Ni Komang Triana Khairunnisa, Fitri Khoiriya Ulfah Kholiq, Nur Kurmiyati, Fauziyah Kus Hendarto Kusuma Adhianto Kuswanta Futas Hidayat Laurin, Clarisa Lidyana, Ayu Liman Liman, Liman M Akbar, M M Fadillah, Febian Madi Hartono Mahendra, Dimas Malihah, Lola Mariska, Refi Maryatmi, Anastasia Sri Masrilurrahman, LL Suhirsan Megawaty, Dyah Ayu Meriyati Meriyati Moh. Yusuf Dawud Monika, Lidiya Muhammad Mirandy Pratama Sirat Muhammad Saddam Alghofur, Muhammad Saddam Alghofur Muhtaruddin, Muhtaruddin Muhtarudi, Muhtarudi Muhtarudin Muhtarudin Nabila, Raihana Ngaini, Lutvi Nilawijaya, Rita Noer, Irmayani Nonon, Lidia Novita Lestari, Novita Nur Kholis, M. Irfan Nurazizi Aulia, Edwira Nurunnisa, Fitria Okmita, Yepi Oktriadi, Yudi Pajojang, Arifen Leihu Parjito, Parjito Pragastya, Ambrosius Nugraha Dimas Pranata, Syendy Purnama Edy Santosa Putri, Dewi Annisa Putri, Kejora Asa Putrianingsih, Wayan Eka Putu Sintya Arlinda Arsa Rahmalia, Dian Rahmawati, Laily Agustina Ramadhani, Fath Hate Ramanda, Rio Rasty Yulia Ratna Ermawati Rere, Theresia Beto Suku Risal Tawil, Muhammad Riski Putra Suswanda, Gede Bima Rivai, Mahfud Rizky Amelia, Aniza Rodika Rosdiana, Yanti Rudy Sutrisna S Siswanto Safira, Auliya Salampessy, Maryam Salsabila, Asri Umniya Samsul Anam, Samsul Sanjaya, Purba Saputra, Arya Ananda Saputra, Dandi Saputra, Devrin Dwiki Sari, Andini Novita Sari, Berliana Sari, Dewi Nofita Sari, Rizka Novita Sazena, Mayang Septiana, Tri Setianingrum, Diah Ayu Setiawan Wibowo, Teguh Setiawan, Fani Setiyo, Setiyo Shandra Agustin Shumaila, Shumaila Siregar, Dea Pratiwi Siti Kholifah Sofwan, Ibnu Solly Aryza Sri Suharyati Sugiyarto Sugiyarto Sugiyarto Sugiyarto Suhandi Suhandi, Suhandi Sukanto Sukanto Surmini, Surmini Suryani, Ni Kadek Susanti, Wulan Susilo, Joko Hadi Sutami, Rifqi Anwar Syah Khosi, Aghil Syahrio Tantalo Syakti, Rendi Tamara, Nina Yelly Thohir, Muhammad Bakhru Tri Astuti Handayani Tuparjono . Ulhaq, Afifah Nida Utami, Siti Nina Sri Veithzal Rivai Zainal Veronica Wanniatie Wardana, Indra Wardhani, Amalia Warsito Warsito Wibowo, Teguh Setiawan Winarni, Isna wiryono, sukanto - Wiwik Agustina, Wiwik yayuk kustiningsih, yayuk Yudiyanto, Febri Ziladi, Kirana Jana Zulkifli Alamsyah Zuraida, Siti