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Journal : International Journal of Renewable Energy Development

Free hydrogen-deoxygenation of waste cooking oil into green diesel over Ni-Marble waste catalyst: Optimization and economic analysis Anggoro, Didi Dwi; Prasetyoko, Didik; Hartati, Hartati; Zakaria, Zaki Yamani; Le Monde, Brilliant Umara; Nurdiani, Maulida
International Journal of Renewable Energy Development Vol 14, No 6 (2025): November 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.61241

Abstract

Diversifying energy through alternative sources, such as biofuels, is a practical and accessible option in Indonesia. This study aimed to optimize the yield of biofuel (green diesel) using Ni/marble waste as a catalyst. Deoxygenation offers a promising route for converting waste cooking oil (WCO) into valuable products. A Box–Behnken Design (BBD) was applied to assess the effects of key variables on the deoxygenation process using Response Surface Methodology (RSM). The variables included reaction time (2–6 h), reaction temperature (360–380 °C), and catalyst weight (1–3% w/w), with conversion percentage as the response. The results showed that reaction time and catalyst weight significantly influenced WCO deoxygenation (p < 0.05). The optimum conditions for maximum conversion were a reaction temperature of 373.64 °C, a catalyst weight of 3.45% w/w, and a reaction time of 4.35 h. Under these conditions, hydrocarbon selectivity reached 92.26%. Paraffins were the dominant fraction, confirming that the Ni/marble catalyst efficiently promoted deoxygenation with high selectivity toward C15–C18 hydrocarbons. These findings align with the proposed reaction mechanism, which involves decarboxylation, decarbonylation, and hydrodeoxygenation pathways. An economic evaluation under optimal conditions estimated a profit of $1.0469 per batch, demonstrating that converting waste cooking oil into green diesel is both technically feasible and economically attractive. Overall, integrating waste-derived catalysts with optimized deoxygenation technology provides a sustainable and profitable solution.
Co-Authors A'yuni, Qurrota Abdul Hamid Abdul Hamid Abdul Hamid Abdulloh Abdulloh Adi Setyo Purnomo Afifah Rosidah Afifah Rosyidah Ahmad Anwarud Dawam Ahmad Anwarud Dawam Ahmad Anwarud Dawam Ahmad, Shahrul Nizam Aishah Abdul Jalil Aishah Abdul Jalil Aishah Abdul Jalil Aishah Abdul Jalil Alfa Akustia Widati Alya Awinatul Rohmah Amalia Putri Purnamasari Amin Jakfar, S.T.,M.T., Lukman Hadiwijaya, S.T.,M.T. Amirul Mukminin Anil Kumar Anal Anis Farika Anis Farika, Anis Arief Fadlan Arizal Firmansyah Asranudin Asranudin, Asranudin Badzlin Nabilah Bayu Wiyantoko Cepi Kurniawan Che Ku Nor Liana Che Ku Hitam Cholifah Endah Royani Cicik Herlina Yulianti Desy T. Kusumaningtyas Desy Tri Kusumaningtyas Dety Oktavia Sulistiono Dewi, Nita Safira Didi Dwi Anggoro Djoko Hartanto Djoko Hartanto Djoko Hartanto Dyah Ayu Fatmawati Dyah Fitasari Eka Pratiwi Yuniarti Eka Putra Ramdhani Eko Santoso Endang Purwanti Endud, Salasiah F Widhi Mahatmanti Farhanah Thalib Fensia Analda Souhoka Firda, Putri Bintang Dea Futri Wulandari H. Holilah Hadi Nur Hadi Nur Hadi Nur Hamzah Fansuri Haq, Ismi Arinal Harjito - Harjito Harjito Harmami Harmami Hartati Hartati Hartati Hartati Hasliza Bahruji Hasliza Bahruji Hasliza Bahruji Hasliza Bahruji Hellna Tehubijuluw Hendro Nurhadi Ika Diah Rahmawati Ike Dayi Febriana Imroatul Qoniah Imroatul Qoniah Imroatul Qoniah Imroatul Qoniah Imroatul Qoniah Imroatul Qoniah Izzah, Adiba Naila Kris Murwani, Irmina Kurniawati, Puji Kurniawati, Puji Kusumawati, Yuly Le Monde, Brilliant Umara Leaw Wai Loon Lely Dwi Astuti Lisa Amalia Suryana Lukman Atmaja Mardi Santoso Maria Ulfa Maria Ulfa Maria Ulfa Meiske S Sangi Meyga E. F. Sari Meyga Evi Ferama Sari Mohammad Abdullah Mudasir Mudasir Muhammad Lukman Hakim Muhammad Nur Kholis Muhammad Nur Kholis Mulyatun Mulyatun Naimatul Khoiroh Nanik Siti Aminah Nanik Wijayati Neneng Ayunanda Novesar Jamarun Nuni Widiarti Nur, Hadi Nurdiani, Maulida Nurul - Widiastuti Pemta Tiadeka Puji Kurniawati R.Y. Perry Burhan, R.Y. Perry Rahayu, Endah Fitriani Rakhmadi Harsanto Ramli, Zainab Ratna Ediati Ratna Ediati Reva Edra Nugraha Safa Annissa Novianti Salasiah Endud Samuel Budi Wardhana Samuel Budi Wardhana Kusuma Santi Wulan Purnami Sirly Bifadilatur Romaniyah Siti Maryam Subagyo, Riki Suci Indrayani Sugeng Triwahyono Sugeng Triwahyono Sugeng Triwahyono Sugeng Triwahyono Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto Suprapto, Suprapto Suprapto, Surapto Susi Nurul Khalifah Syafsir Akhlus Syafsir Akhlus, Syafsir Tanti Kartika Dewi Taufiq Rinda Alkas Teguh Endah Saraswati Tikha Reskiani Fauziah Titie Prapti Oetami Titie Prapti Oetami Tri Ana Mulyati Tri Esti Purbaningtias Tri wahyuni Tri Wahyuni Tri Wahyuni Triyono Triyono Triyono Triyono Wahyu Bambang Widayatno Wega Trisunaryanti Wega Trisunaryanti Wega Trisunaryanti Wijianto, Wijianto Wiyantoko, Bayu Wiyantoko, Bayu Yatim Lailun Ni’mah Yoshifumi Chisaki Yulinar Dwi Nur Azizah Yusuf Muhammad Zein Yusuf Muhammad Zein Yuvita Eka Pertiwi Zahrotul Istiqomah Zainab Ramli Zainab Ramli Zainab Ramli Zainab Ramli Zakaria, Zaki Yamani Zeni Rahmawati Zetra, Yulfi