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All Journal Dinamika : Jurnal Teknik Mesin Science and Technology Indonesia Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Biologi Tropis Jurnal Media Informatika Jurnal Sylva Lestari Molekul: Jurnal Ilmiah Kimia TeknoKreatif: Jurnal Pengabdian kepada Masyarakat J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
Maulana, Sena
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Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Other

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Evaluation of Pyrolysis Temperature and Time on The Quality Improvement of Calliandra Wood Charcoal Briquettes as An Alternative Energy Source Murda, Rio Ardiansyah; Pasaribu, Try Vista Ulina Br; Wahyuningrum, Maeda; Zen, Muhammad Rizky; Maulana, Sena; Rinaldi, Nino; Maulana, Muhammad Iqbal; Munawaroh, Khoryfatul; Lizardi, Fathi; Faedloni, Akbar Ash Shiddiqi
Molekul Vol 21 No 1 (2026)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2026.21.1.14411

Abstract

ABSTRACT. Calliandra (Calliandra calothyrsus) wood is a promising biomass feedstock due to its abundance and high calorific value. This study investigated the effects of pyrolysis temperature (400 °C and 500 °C) and residence time (30 and 60 minutes) on the quality of calliandra charcoal briquettes. Biomass was carbonised, mixed with 15% cassava starch binder, pressed, and oven dried. The briquettes were evaluated for yield, density, moisture, ash, volatile matter, fixed carbon, calorific value, combustion rate, and structural changes. Results showed that all parameters except yield were significantly influenced by temperature and time. FTIR analysis revealed increased aromatisation at higher pyrolysis conditions, while XRD indicated reduced cellulose crystallinity and the emergence of calcite and silica phases. The briquettes exhibited densities of 0.62–0.63 g/cm³, moisture contents of 2.14–2.73%, ash 3.55–4.91%, volatile matter 16.32–25.11%, fixed carbon 68.60–76.63%, calorific values 7,856–7,978 cal/g, and combustion rates 0.08–0.09 g/min. The condition of 400 °C for 30 minutes offered the most balanced performance, while 500 °C for 60 minutes yielded the highest carbonisation and energy content. These findings highlight that moderate pyrolysis conditions can produce efficient, high-quality briquettes with low energy input. Keywords: Biomass, calliandra wood, energy, pyrolysis, wood charcoal briquettes
Co-Authors Abelta, Gita Aldira Al Qadri, Latif Alfajrin, Achmad Chalid Asagabaldan, Meezan Ardhanu Augustina, Sarah Dini Lestari, Dini Dwiputra, Mohammad Ashari Elmiawan, Puguh Eti Artiningsih Octaviani Faedloni, Akbar Ash Shiddiqi Fauzan Aulia Fauziana, Eva Febrina, Melany Fitria Ningsih, Desvita Hadi Teguh Yudistira, Hadi Teguh Junianto, Oni Khoryfatul Munawaroh Lizardi, Fathi Lubis, Muhammad Adly Rahandi Maulana, Muhammad Iqbal Mhd Muhajir Hasibuan Muhyi, Abdul Nino Rinaldi Pasaribu, Try Vista Ulina Br Paundra, Fajar Pratama, Angga Jihan Pujiyulianto, Eko Putri, Mangifera Indica Dhaifullah Wangun Rajak, Abdul Rianjanu, Aditya Sarfilianty Anggiani, Sarfilianty sari, nurika arum Sidik, M. Farhan Simatupang, Valentino Hasael Suwanda, Astri Aulia Tarmizi Taher Vincent, Joy Wahyu Hidayat Wahyuningrum, Maeda Zahra, Rima Adzra Zen, Muhammad Rizky