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All Journal Rekayasa Mesin Panrita Abdi - Jurnal Pengabdian pada Masyarakat RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro Jurnal Abdi: Media Pengabdian Kepada Masyarakat MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Jurnal Hurriah: Jurnal Evaluasi Pendidikan dan Penelitian Malikussaleh Journal of Mechanical Science Technology Andalasian International Journal of Applied Science, Engineering, and Technology Journal of Renewable Energy, Electrical, and Computer Engineering Jurnal Teknologi Kimia Unimal Makara Journal of Technology Jurnal Fokus Elektroda (Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Jurnal Teknik Kimia dan Lingkungan Jurnal Polimesin Journal Serambi Engineering (JSE) Jurnal Solusi Masyarakat Dikara JURNAL REKAYASA KIMIA & LINGKUNGAN Journal of Engineering and Technological Sciences Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN)
Adi Setiawan
Universitas Malikussaleh
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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Effect of briquetting pressure on combustion properties of hydrothermally treated king grass biomass Alchalil, Alchalil; Setiawan, Adi; Dirga, Muhammad; Riskina, Shafira; Nurjannah, Siti; Hasibuan, Rizqon; Rahman, Abdul
Jurnal Polimesin Vol 23, No 4 (2025): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i4.7300

Abstract

The utilization of biomass as an alternative energy source continues to gain attention, particularly in the form of solid briquettes with properties comparable to coal. In Indonesia, the co-firing program in coal-fired power plants (PLTU) promotes the use of biomass briquettes as supplementary fuel. King grass (Pennisetum purpureum), a fast-growing, non-food crop that thrives on marginal land, is a promising candidate. However, its low energy density limits practical application. This study aims to enhance the fuel quality of king grass through hydrothermal treatment and evaluate the effect of varying briquetting pressures on briquette properties. Briquettes were produced without pressure and with compaction pressures of 100, 200, 300, 400, and 500 kg/cm². Results show that higher briquetting pressure reduced moisture content from 3.99% to 2.98% and friability from 54.46% to 11.95%. While ash content and volatile matter were minimally affected, fixed carbon increased to 28.42%, and calorific value peaked at 3,923 kcal/kg. Hydrothermal treatment further improved calorific value, reduced ash content, and enhanced fixed carbon levels. These findings demonstrate that the combination of hydrothermal treatment and briquetting pressure significantly improves king grass briquette quality, supporting their potential as a sustainable co-firing fuel in coal-fired power plants.
Mechanical and Physical Properties of Bio-Briquette Produced from Gayo Arabica Coffee-Skin Adi Setiawan; Juwaini; Ahmad Nayan; Fauzan; Faisal
Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN) Vol. 1 (2018): Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN)
Publisher : Faculty of Engineering, Malikussaleh University

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Abstract

Enormous amount of Gayo Arabica coffee-by-products highlights its potential as source of renewable energy. Utilizing coffee skin as a raw material for bio-briquettes is considered as an effective way to minimize their wastage as landfill. This study aims to examine the characteristics of bio-briquettes produced through the cold-forming process at a pressure of 100, 150 and 200 kg/cm2 without binder. Prior to briquetting process, the raw material was sun-dried, ground and sieved to 0.841 mm. A mixture was then made by adding water followed by molding and drying processes. Characterization of the briquette employs a number of techniques including DSC, TGA, bomb calorimeter and proximate analyses as well as mechanical testing. The results show that the calorific value of the coffee-skin briquette is 4764 cal/g containing 16.5 wt% of moisture, 12 wt.% ash. The rate of combustion is 0.019 g/s with ignition time of 196 s. Varying briquetting pressure results in a change in ignition time of bio-briquettes as the density is increased. However, no significant change was observed on the rate of combustion upon increasing the briquetting pressure. This investigation concludes the potential use of coffee industry by-product as feedstock for solid
Co-Authors Abdul Rahman Abubakar Dabet Adi Pangestu, Rangga Agam Muarif Ahmad Fikri Ahmad Nayan Ahmadi Ahmadi Alchalil Alchalil Aljufri Aljufri Andrian Sulaiman Aris Abizar Armadani, Wika Arnawan Hasibuan Asnawi Azis, Andy Baidhawi, B Br. Simajuntak, Ochitria Cintia Deassy Siska Dicky Risky Dirga, Muhammad Faisal Faisal Faisal Faisal Faisal Fajriana, Mona Fauzan Gunawati Gunawati GUNAWATI, GUNAWATI Hadi Hosseiniamoli Hagi Radian Heikal, Mohammad Hendrival, H Hermawan, Yuda Hosseiniamoli, Hadi Jain, Vishal Jufrizal Ismail Juwaini Karim, Firman Khairil Khairil Khairul Anshar Khan, Naseer A. Lukman Hakim Lukman Hakim Luthfi Luthfi Maizuar Maizuar Mawaddah Mawaddah, Mawaddah Muhammad Arif Muhammad Arif Muhammad Daud Muhammad Muhammad Muhammad Muhammad Muhammad Nuzan Rizki Muhammad Rizqi Almuhtadee Muhammad Sayuthi Muhammad Yusuf MUHAMMAD YUSUF Muhammad Yusuf Muhammad, M Mulkia Farhan Mulyawan, Rizka Nasution, Ichsan Alwi Nurmalita Nurmalita Nurul Islami, Nurul Panji Aji Riha Wijayanto Pertiwi, Indah Ayu Putra, Reza Putri, Almia Permata Raihan, Raudhatul Raudhatul Raihan Renno Kamal Putra Revi Syarlian Ridara, Rina Rifanida Rifanida Riskina, Shafira Rizqon Hasibuan Robi Kurniawan Rozanna Dewi Safina, Putri Anjali Setiawaty, Sri Shafira Riskina Shalihah, Nyakty Shrestha, Ashish Simanjuntak, Ochitria Cintia Br Sinaga, Willy Musa Pernando Siregar, Umar Ramadhan Siregar, Widyana Verawaty Siti Nurjannah Subhan A Gani Suhardi Makmur Suhardi Makmur Suryadi Suryadi Syahputri, Riana Syamsul Bahri Tri Waluyo Widyana Verawaty Siregar Wusnah Wusnah, Wusnah Yasir Amani Yogi Arieandi Z Zulfahmi Zainuddin Ginting Zulfaini Zulfaini Zulnazri, Z