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Journal : Journal of Earth Energy Science, Engineering, and Technology

The Effect of Biogas Purification Process Using Calcium Oxide-Based Sorbents on the Diffusion Flame Combustion Characteristics Dani Hari Tunggal Prasetiyo; Djoko Wahyudi; Alief Muhammad
Journal of Earth Energy Science, Engineering, and Technology Vol. 4 No. 3 (2021): JEESET VOL. 4 NO. 3 2021
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (450.257 KB) | DOI: 10.25105/jeeset.v4i3.9712

Abstract

Biogas is an alternative energy source that could solve two problems at once, the problem of environmentally friendly energy needs and the problem of waste treatment. One of the sources of biogas is obtained from anaerobic bacterial fermentation of cow dung waste. The biogas fermentation process produces impurities such as carbon dioxide (CO2) as a combustion inhibitor. Carbon dioxide will inhibit the combustion reaction, resulting in incomplete combustion. The biogas purification process is needed to reduce the amount of carbon dioxide in the biogas. The purification process is carried out using an absorbent compound of calcium oxide (CaO) to bind carbon dioxide contained in the biogas. Thus, the purpose of this study was to analyze the effect of the biogas purification process using calcium oxide on the characteristics of the diffusion flame produced by combustion. The research was conducted experimentally using the physicochemical-absorption method of purification by flowing biogas through a purificator device that contained a purification solution. After passing through the purification solution, the biogas was regulated at a fuel flow rate of 3 liters/min and then proceed to the bunsen burner. The results showed that purification affected increasing the characteristics of the diffusion flame combustion due to the reduced amount of carbon dioxide in the biogas. This is indicated by increasing the purification molarity, it also increases the flame speed of combustion and the flame angle, as well as a decrease in the flame height.
Experimental Investigation of the Effect of Temperature on Biodiesel Production from Used Cooking Oil Prasetiyo, Dani Hari Tunggal; Ilminnafik, Nasrul; Sanata, Andi; Sholahuddin, Imam; Arbiantara, Hari; Dwilaksana, Dedi
Journal of Earth Energy Science, Engineering, and Technology Vol. 9 No. 1 (2026): JEESET VOL. 9 NO. 1 2026
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/2am28c76

Abstract

Used cooking oil is a waste product with great potential as a raw material for biodiesel production through transesterification. This study was conducted to determine the effect of transesterification reaction temperature on biodiesel yield and quality. The biodiesel production process includes a degumming step to remove gums by adding 1% H₃PO₄. This is then followed by transesterification using 1% NaOH as the catalyst, an oil-to-methanol ratio of 1:0.5, a stirring speed of 300 rpm, and a reaction time of 60 minutes. The transesterification reaction temperatures were 40°C, 50°C, 60°C, and 70°C. The results showed that the reaction temperature significantly affected the yield and physical quality of biodiesel. The highest yield was 85.85% at 40°C, while the lowest was 80.37% at 70°C. The maximum viscosity was observed at 60°C (6.0 cSt), and the minimum at 70°C (5.71 cSt). The highest density was 0.8620 g/mL at 50 °C, and the lowest was 0.8607 g/mL at 40 °C. The highest flash point was 40°C at 173.27°C, and the lowest was 70°C at 164.97°C. The results showed that the biodiesel produced met the quality standards of SNI 7182:2015, thus supporting its suitability as an alternative fuel derived from used cooking oil.
Co-Authors Abdillah, Hartawan Abdul Basit Achmadin, Wahyu Nur Achmadin, Wahyu Nur  Adi Mulyadi Agung Fitrahadi Agus Triono AGUSTIN, DWI Ahmad Iskandar Rahmansyah Ahmad Izzuddin Akbar Anugrah Akbar Anugrah Ikhsani Ali, Reynaldi Akbar Alief , Alief Muhammad Alief Muhammad Andi Sanata Andi Sanata Andrianata, Mufid Angga Prasmana Angga Prasmana Anggrik Adi Marzuki Putra Aprilia, Ira Ariyanti, Dyah Asroful , Asroful Abidin Asroful Abidin Asroful Abidin Asroful Abidin, Asroful Abidin Asrori, Tamam Audiananti Meganandi Kartini Bagus Adi Prasetyo Baidlo, Tsalitsah Wirdatul Baihaqi, Mas Ahmad Baihaqi bayhaqi, ahmad bayhaqi Bekti Palupi Citra Permadi, Billy Citra Suardi Danang Yudistiro Danang, Danang Yudistiro Dedi Dwilaksana Defriatno, Mawan Eko Dewi, Indah Noor Dwi Kusuma Dharma Putra, Hendra Djoko Wahyudi Djoko Wahyudi Djoko Wahyudi Djoko Wahyudi Dodi Setiabudi Ersa Putra, Hafidz Mahardika Eva Kurnia Yulyawan Fajar Rahman fajar rahman Fathuddin Noor, Muhammad GAMMA ADITYA RAHARDI Haidzar Nurdiansyah Hari Arbiantara Basuki Hari Arbiantara, Hari Hartawan , Hartawan Abdillah Hartawan Abdillah Hasanur Mohammad Firdausi Helda Wika Amini Helsinky, Mava Nurhaliza Hendra, Joni Hendry Y. Nanlohy Hermanto Hermanto Hermanto Hermanto Hermanto Hikmah, Nuzul Ilminnafik , Nasrul Imam Rudi Sugara Imam Rudi Sugara Imam Sholahuddin Indah Noor Dwi Kusuma Dewi Indah Noor Dwi Kusuma Dewi Indah Noor Dwi Kusuma Dewi Indayani, Sulis Dyah Candra Iqbal, Iqbal Ramadhani Istiqomah Rahmawati Iswardani, Kurnia Isyuniandri, Dzaky Izzudin, Ahmad Jibril Maulana Junus, Sallahudin Lailul Ilham lailul ilham Linda , Linda Kurnia Supratiningsih Linda Kurnia Linda Kurnia Supraptiningsih Linda Kurnia Supraptiningsih Linda Kurnia Supratiningsih Lukman Hakim Lukman Hakim M. Fathuddin Noor, M. Fathuddin Mahmud, Rizal Mas Ahmad Baihaqi Mas Ahmad Baihaqi Mas, Ahmad Baihaqi Maskur, Oki Maulana, David Meta Fitri Rizkiana Mochamad Fani Nur Umri Muhammad Dimyati Nashrullah Muhammad Trifiananto Muhammad Zainur Ridlo Mujibtamala, Arizal Mustakim Mustakim Mustakim Nasrul Ilminnafik Nisak, Rima Zidni Karimatan Noor, Muhammad Fathuddin Nugraha, Yanuar Alditya Nurhalim Nurhalim, Nurhalim Nurhalim, Nurhalim Oktakusuma, Mochammad Mashud Pambudi , Setyo Panithasan, Mebin Samuel Prasetio, Bagus Adi Putra, Anggrik Adi Marzuki Putro Adi Pamungkas R. Puranggo Ganjar Widityo Widityo Renaldo, M. Donal Riyanto Setiawan Suharsono Robertus Sidartawan Robertus Sidartawan Robertus, Robertus Sidartawan Rochmad Eko Prasetyaning Utomo Rr. Poppy Puspitasari Salahuddin Junus Satryo Budi Utomo Setyo Pambudi Siti Masluha Subhannaan Alif Rezeki Sumarji Suyitno Swari, Utami Ratna T.S.D, Leliya Nanda Tamam Asrori Tamam Asrori Tri Prihatiningsih Trifiananto, Muhammad Utami Ratna Swari Utami, Tata Budi Wahid Hamdani Wahid Hamdani Wahyu Nur Achmadin Wahyu Nur Achmadin Welayaturromadhona Wicaksana, Aditya Wira Wicaksono, Dodo Widityo, R. Puranggo Ganjar Widityo Widyono Hadi Winda Ayu Mundari yanto, Misdi Yudhistiro, Danang Yulyawan, Eva Kurnia