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All Journal Jurnal Belantara JURNAL FLYWHEEL
Amri Hidayat
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Education Energy Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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Pengaruh Kuat Tekan dan Temperatur Pengeringan Briket Cangkang Kemiri dan Bonggol Jagung terhadap Karakteristik Briket Dewa Putu Sukerta Yasa; Mietra Anggara; Fadhli Dzil Ikram; Amri Hidayat
JURNAL FLYWHEEL Vol 16 No 1 (2025): Jurnal Flywheel
Publisher : Teknik Mesin S1 ITN Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/flywheel.v16i1.10478

Abstract

Disaat ini, dunia mengalami kekurangan tenaga yang kritis Tiap tahunnya, terjadi kenaikan jumlah usaha masyarakat yang memerlukan bahan bakar, paling utama bahan bakar minyak atau bahan bakar fosil. briket ialah salah satu sumber energi alternatif yang bisa digunakan, guna untuk mengambil alih sebagian dari penggunaan bahan bakar minyak. Biomassa yang digunakan dalam riset ini berupa cangkang kemiri dan tongkol jagung dan tepung tapioka sebagai campuran untuk perekat atau sebagai lem supaya campuran briket bisa terbentuk dengan baik. Tujuan dari riset ini buat mengenali pengaruh komposisi penyusun briket terhadap nilai ciri briket. Pengujian yang dicoba dalam riset ini meliputi: kuat tekan, dan temperatur pengeringan, Hasil riset membuktikan kalau nilai kalor paling tinggi dalam riset ini pada pada ilustrasi 4 dengan kuat tekan 100kg dan temperatur pengeringan sebesar 1500C dengan komposisi campuran cangkang kemiri 65%, bonggol jagung 25% dan perekat 10% dengan nilai kalor 6107cal/ gram, pada kuat tekan 100kg dan temperatur pengeringan sebesar 1500C dengan kandungan kadar air sebesar 4.70%, dengan kadar abu mencapai 0,90%, dengan kadar zat mudah menguap mencapai 2,10%, dengan kadar karbon terikat mencapai 97,00%.
EMISSION ANALYSIS OF LAMTORO WOOD PELLETS COMBINE PLASTIC AND SODIUM CARBONATE Abdul Azis; Aldrin; Amri Hidayat
Jurnal Belantara Vol 9 No 1 (2026)
Publisher : Forestry Study Program University Of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbl.v9i1.1150

Abstract

Leucaena leucocephala, commonly known as lamtoro, is an invasive species that proliferates in tropical regions, including Sumbawa Island, and poses a threat to local biodiversity. Nevertheless, the abundant biomass of this plant presents an opportunity for its utilization as a renewable energy source in the form of wood pellets. This study aims to analyze the emission characteristics of lamtoro-based wood pellets substituted with plastic waste and sodium carbonate, as a strategy to enhance energy efficiency while reducing the environmental impact of solid waste. Three pellet formulations were tested: (1) 100% lamtoro as the control, (2) lamtoro mixed with 10% plastic waste, and (3) lamtoro mixed with 10% sodium carbonate. Combustion tests were conducted using a flue gas analyzer to measure the concentrations of carbon monoxide (CO), carbon dioxide (CO₂), nitrogen oxides (NOx), and particulate matter. The results indicate that the addition of plastic waste significantly increased the calorific value of the pellets but also led to higher emissions of CO and NOx. In contrast, the addition of sodium carbonate demonstrated a positive effect by reducing CO emissions by 35% and NOx by 28% compared to the control, as well as improving combustion efficiency through a catalytic mechanism in the decomposition of carbon compounds. These findings suggest that lamtoro wood pellets combined with sodium carbonate are a promising alternative bioenergy source that is environmentally friendly, supports the management of invasive species, and contributes to the diversification of renewable energy sources in rural and conservation areas.
Co-Authors Abdul Azis Aldrin Dewa Putu Sukerta Yasa Fadhli Dzil Ikram Mietra Anggara