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All Journal RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro Jurnal Aplikasi Ilmu Teknik Industri (JAPTI) IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) JT-IBSI (Jurnal Teknik Ibnu Sina)
Kusuma, Budhi Santri
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Automotive Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA)

 1 
Pembuatan Biobriket dari Campuran Bottom Ash dengan Limbah Padat Kelapa Muda Menggunakan Lem Molase sebagai Bahan Bakar Alternatif Tampubolon, Heriansyah; Muthawali, Dede Ibrahim; Ginting, Zainuddin; Jalaluddin, Jalaluddin; Kusuma, Budhi Santri
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 3 No 1 (2024): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v3i1.39

Abstract

Biobriquettes are solid fuels made from compressed organic residues with adhesives. Bottom ash, a byproduct of boiler combustion at PT Blang Ketumba, and young coconut solid waste both have high calorific value and can be utilized as bio briquettes. This study uses a mixture of young coconut waste and molasses adhesive. The research aims to assess the benefits of these materials in bio briquettes, analyze the composition of bottom ash and young coconut waste, and examine the impact of varying ratios of these materials with molasses adhesive. The biobriquette production process involves mixing bottom ash and coconut waste with 2%, 3%, and 4% molasses adhesive in ratios of 100:0, 75:25, 50:50, 25:75, and 0:100. The resulting biobriquettes are evaluated for moisture, ash content, bulk density, combustion rate, and calorific value. The optimal biobriquette, with 25:75 bottom ash to coconut waste and 4% adhesive, showed 7.6% moisture, 5.9% ash, 14.76% volatiles, 71.74% fixed carbon, 1.74 g/cm³ density, 0.32 cal/sec combustion rate, and 5142 cal/g calorific value, meeting SNI 01-6235-2000 standards.
Karakteristik Biopelet Dari Limbah Kulit Kelapa Muda Dan Batok Kelapa Menggunakan Perekat Getah Pinus Sebagai Bahan Bakar Alternatif Aulia, Sekar; Ginting, Zainuddin; Muthawali, Dede Ibrahim; Ishak, Ishak; Muhammad, Muhammad; Kurniawan, Eddi; Kusuma, Budhi Santri
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 3 No 1 (2024): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v3i1.61

Abstract

Biopellets are an energy source derived from biomass that can serve as a substitute for fossil fuels. This study uses young coconut waste consisting of husks and shells and coconut shells as the main raw materials. This research aims to analyze the characteristics of bio pellets through proximate analysis, calorific value, density, and combustion rate tests. The bio-pellets are produced through a carbonization process using pine resin adhesive with varying raw material compositions of 100:0, 75:25, 50:50, 25:75, and 0:100, and adhesive concentrations of 10%, 20%, and 30%—previous research combined coconut shells with instant coffee grounds to create bio-pellets. The results of this study indicate that the best bio-pellets are made from a mixture of young coconut waste and coconut shells with a 25:75 ratio and 30% adhesive concentration. These bio-pellets have a moisture content of 7.0%, ash content of 0.8%, volatile matter of 14.76%, fixed carbon of 76.96%, combustion rate of 0.028 g/min, density of 1.410%, and a calorific value of 7468.51 cal/g, meeting the SNI 8021-2014 standards.
Co-Authors Afiza, Defri Aulia, Sekar Badruszaman, Anwar Cholish Harahap, Uun Novalia Ishak Ishak Jalaluddin Jalaluddin Kurniawan, Eddi Muhammad Muhammad Muthawali, Dede Ibrahim Rimbawati Rimbawati, Rimbawati Rizki Prakasa Hasibuan Sirait, Putra Suparmono Suparmono Syarif, Abdul Azis Tampubolon, Heriansyah Zainuddin Ginting