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All Journal Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin Jurnal Abdi Insani DWIJENAGRO: JURNAL ILMIAH Jurnal Karya Pengabdian Teknik Mesin Energy, Materials and Product design JPFT (Jurnal Pendidikan Fisika Tadulako Online)
Made Wijana, Made
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PENGARUH VARIASI BENTUK BRIKET ARANG BIOMASSA BERBAHAN LIMBAH KAYU TERHADAP NILAI KALOR DAN BOILING TIME : THE EFFECT OF VARIATIONS IN THE SHAPE OF BIOMASS CHARCOAL BRIQUETTES MADE FROM WOOD WASTE ON CALORIFIC VALUE AND BOILING TIME Usman, Zohimundin; Joniarta, I Wayan; Wijana, Made; Wiratama, I Kade
Energy, Materials and Product Design Vol. 4 No. 1 (2025): Energy, Materials and Product Design
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/empd.v4i1.6805

Abstract

Most Indonesian people currently use energy derived from fossil fuels, such as fuel oil, gas and coal. The impact of using fossil fuels is that it can damage the environment. Several alternative energy sources that are commonly developed are biomass energy. This biomass is usually processed into biochar which is a fuel with a high calorific value and can be used in everyday life. Briquettes are an energy source derived from biomass which can be used as alternative energy. In this study, briquettes were made from teak, acacia and mahogany wood waste. The method used is an experiment with the carbonization process using a modified composing drum. The independent variables used were briquette materials from teak, acacia and mahogany wood waste, variations in the shape of cube, cylindrical and hexagonal jerry cans. Tests include analysis of water content, calorific value, and changes in temperature. The results of this study showed that the best moisture content was obtained from cylindrical teak wood waste briquettes with an average value of 3.57%. Then for the calorific value, the best results were obtained from cylindrical teak wood waste briquettes with a value of 3457.0 Kkal/kg. and for temperature changes the best results were obtained on the cube-shaped mahogany wood waste briquette specimens with an average value of 10 minutes 46 seconds.
ANALISIS EFISIENSI ENERGI PADA PROSES PENGERINGAN GABAH MENGGUNAKAN DRYER GRAINPRO 30T-HS DI PT KARUNIA TRINITAS AGRO Joniarta, I Wayan; Ananda Putra, Yoga Raditya; Wijana, Made; Wiratama, I Kade
Energy, Materials and Product Design Vol. 4 No. 2 (2025): Energy, Materials and Product Design
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/h62cpf76

Abstract

Rice is a key food commodity that plays a strategic role in maintaining national food security. One of the important stages in post-harvest processing is grain drying, as excessive moisture content can reduce rice quality and accelerate deterioration during storage. This study aims to analyze energy efficiency in the grain drying process using the GrainPro 30T-HS dryer at PT Karunia Trinitas Agro. The research method was conducted through direct observation with measurements of grain moisture content, drying temperature, process duration, husk fuel consumption, and electricity usage. The results showed that grain moisture decreased from 25.1% to 12.5% with a total mass of 23,000 kg. The drying process was carried out at 60 °C for 17 hours, with husk consumption of 1,500 kg and electrical power of 19 HP. Based on the calculation, the energy efficiency of the dryer reached 34.65%, which is relatively higher compared to other studies on biomass-fired batch dryers. This finding highlights that utilizing rice husks as fuel is not only economical but also environmentally friendly, thus the GrainPro 30T-HS can be recommended as an efficient drying system for industrial-scale applications..
Co-Authors A.A. Alit Triadi, A.A. Alit AA Alit Triadi, AA Alit Agus Dwi Catur Ananda Putra, Yoga Raditya Aprilian Dika, Ade Bawa Susana , I Gede Boli, B.V.S. Chatur Adi W.A., I G.A.K. Emmy Dyah Sulistyowati, Emmy Dyah Fahrurrozi Firza Febriandi, Firza Gawahi, Fransiskus Risky I G.N.K. Yudhyadi, I G.N.K. I Kade Wiratama, I Kade I Made Nuarsa, I Made I Made Suartika I Nyoman Nugraha Ardana Putra I Wayan Darmadi I Wayan Joniarta Julidio, Alief Kurnia, Fikrihadi Made Nuarsa, Made Made Suartika Maharsa Pradityatama Marungkil Pasaribu Muhamad Sudrajadinata, Muhamad Muhammad Khoiliq, Muhammad N. Nurchayati, N. Nur Kaliwantoro Nurchayati Nurchayati Putra, Ardi Wijaya Ramadhan, Galang Baruna Rohil, Lalu M. Santosa, Wahyudi Suartika , I Made Tri Rachmanto, Tri Triadi, Anak Agung Alit Usman, Zohimundin Wirya A., I.G.A.K. Chatur Adhi