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All Journal Jurnal Ilmu Lingkungan Jurnal Al Bayan: Jurnal Jurusan Pendidikan Bahasa Arab LISANIA Jurnal Ilmu dan Pendidikan Bahasa Arab JURNAL ISTINBATH Eksergi: Chemical Engineering Journal Jurnal Informatika dan Teknik Elektro Terapan Al-Ta'rib: Jurnal Ilmiah Program Studi Pendidikan Bahasa Arab IAIN Palangka Raya Ijaz Arabi Journal of Arabic Learning TEKNOLOGI PANGAN : Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian Jurnal Asy-Syukriyyah Istinbath : Jurnal Hukum Pena: Jurnal Pendidikan Bahasa dan Sastra Transformatif: Jurnal Pengabdian Masyarakat Makara Journal of Science Asalibuna Alsinatuna Al-Irfan: Journal Of Arabic Literature and Islamic Studies
Muhammad Nur Kholis, Muhammad Nur
FAI Universitas Cokroaminoto Yogyakarta
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences Other

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Journal : Eksergi: Chemical Engineering Journal

 1 
Evaluation of Chicken Bone-Derived CaO Catalyst for biodiesel production from waste cooking oil Mufandi, Ilham; Kholis, Muhammad Nur; Rahmawan, Arief; Suntivarakorn, Ratchaphon; Nugraha, Dhaifullah Nafis; Alana P, Raka Wyztyo
Eksergi Vol 21 No 2 (2024)
Publisher : Prodi Teknik Kimia, Fakultas Teknik Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/e.v21i2.12254

Abstract

This research explores the use of waste cooking oil (WCO) into biodiesel and adding a calcium oxide (CaO) catalyst derived from chicken bone waste. The synthesized CaO catalyst was characterized using FTIR and SEM to determine its structural and chemical properties. Biodiesel production experiments were carried out at a temperature of 60°C with an oil-to-methanol ratio of 9:1 and a CaO catalyst load of 5% concentration. The biodiesel produced is characterized by its main quality parameters, including flash point, density, acid number, viscosity, and heating value. The research results show that the CaO catalyst contains various organic compounds, including haloalkanes, 1,2-disubstituted functional groups, primary alcohols, aromatic compounds, and alcohols. In addition, the CaO catalyst contains mineral compositions such as calcium, carbon, oxygen, sodium, magnesium, and phosphorus. Biodiesel yield increases significantly with increasing catalyst loading, reaching a maximum of 92.70% at 15% catalyst loading. This research shows the effectiveness of the CaO catalyst derived from chicken bone waste for environmentally friendly biodiesel production using microwave technology.
Effect of Temperature and N-Doping on the Distribution of Bamboo Waste Pyrolysis Products Using Quartz Tube Furnace Mufandi, Ilham; Kholis, Muhammad Nur; Hamawi, Mahmudah; Ardani, Much Taufik; Kusuma, Hafidha Ayu
Eksergi Vol 22 No 1 (2025)
Publisher : Prodi Teknik Kimia, Fakultas Teknik Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/eksergi.v22i1.14128

Abstract

This study investigates the effect of temperature and nitrogen doping (N-Doping) on the pyrolysis of bamboo waste to optimize the distribution of biochar, bio-oil, and gas products. Bamboo waste as raw material was applied to pyrolysis in a quartz tube furnace reactor at temperatures of 300°C, 400°C, 500°C, and 600°C under two atmospheric conditions: pyrolysis with nitrogen (PN) and pyrolysis without nitrogen (PWN). Results reveal that temperature significantly influences product distribution, with bio-oil yield peaking at 500°C (52% in PN) and decreasing at higher temperatures due to secondary cracking. Nitrogen doping enhances bio-oil production by preventing oxidation and reducing secondary reactions, leading to a bio-oil yield increase from 16.52% in PWN to 55.32% in PN at 500°C. Conversely, PWN conditions resulted in higher biochar yield due to partial oxidation. Gas yield increased at elevated temperatures in both conditions, attributed to thermal cracking and reformation processes. These findings emphasize the importance of controlled temperature and atmospheric conditions in maximizing the efficiency and product quality of bamboo waste pyrolysis. The results provide valuable insights into sustainable biomass conversion strategies, contributing to renewable energy development and bamboo waste valorization.
Co-Authors Abdul Ghofur Achmad Ja’far Sodik Afyuddin, Moh Sholeh Afyuddin, Moh. Sholeh Agung Dwicahyo Alana P, Raka Wyztyo Anja Meryandini Ardani, Much Taufik Arief Rahmawan Astari Ratnaduhita Dwi Harmoyo Gunawan, Riski Habibi, Burhan Yusuf Hafidah Hafidah, Hafidah Hamawi, Mahmudah Hasanah, Luthfi Qoriatul Jayanti, Rani Jinan, Syarifah Khanif, Misbahul Kusuma, Hafidha Ayu Laily Fitriani Lutfhian, Muhammad Daud Maslamah Maslamah Mayangsari, Salsa Devista Mufandi, Ilham Muhammad Zaenuri Muslimah, Maziyyatul Nugraha, Dhaifullah Nafis Nuryani Nuryani Rahmawati, Rina Dian Rauf, Shofwan Anwar Abdul Shiddiq, Jamaluddin Sodik, Achmad Ja'far Sukirman Sukirman Suntivarakorn, Ratchaphon Wardani, Dania Kusuma Yopi,