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All Journal Reaktor Jurnal Polimesin Jurnal Solusi Masyarakat Dikara Journal of Engineering and Technological Sciences
Rizqon Hasibuan
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Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Penerapan Teknologi Pemanfaatan Limbah Kelapa Muda sebagai Alternatif Bahan Bakar untuk Usaha Pandai Besi di Gampong Pande Kecamatan Tanah Pasir Kabupaten Aceh Utara Setiawan, Adi; Daud, Muhammad; Anshar, Khairul; Nayan, Ahmad; Hasibuan, Rizqon; Dirga, Muhammad
Jurnal Solusi Masyarakat Dikara Vol 4, No 1 (2024): April 2024
Publisher : Yayasan Lembaga Riset dan Inovasi Dikara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.12533258

Abstract

Desa Pande Kecamatan Tanah Pasir Kabupaten Aceh Utara merupakan wilayah sentra industri pandai besi yang juga memiliki usaha di sektor pertanian dan perkebunan. Pada sektor pertanian pasca panen diperoleh sejumlah limbah seperti sekam dan jerami padi, kulit pinang, kelapa muda dan lainnya. Limbah ini belum dimanfaatkan secara maksimal bahkan sering dibakar sehingga mengakibatkan pencemaran udara. Sebenarnya sumber biomassa yang melimpah dari limbah pertanian salah satunya tempurung kelapa sangat potensial untuk dijadikan bahan bakar briket. Di sisi lain, usaha pandai besi sangat bahan bakar substitusi dengan harga yang terjangkau untuk meminimalkan penggunaan arang kayu. Selama ini arang kayu yang digunakan bersumber dari tanaman hutan secara illegal sehingga terjadi deforestrasi yang mengancam lingkungan hidup. Salah satu usaha yang dapat dilakukan untuk memecahkan persoalan tersebut adalah melalui pengolahan biomassa menjadi bioarang melalui teknologi kiln. Produk bioarang selanjutnya dicetak dengan mesin press briket. Untuk mencapai target tersebut, maka Tim Pengabdian mengajak masyarakat akan pentingnya memanfaatkan limbah tempurung kelapa menjadi bio-briket sebagai pengganti bahan bakar arang kayu dari hutan. Selain itu ditargetkan juga adanya peningkatan pendapatan pandai besi dengan berkurangnya biaya bahan bakar arang. Metode pendekatan yang ditawarkan untuk menyelesaikan persoalan mitra adalah dalam bentuk pelatihan dan pembinaan/ penendampingan pada pembuatan bioarang dan briket, serta aplikasi penggunaan bio-briket untuk pengrajin besi. Penyelesaian masalah mitra meliputi pemecahan masalah pada aspek-aspek tersebut. tahapan kegiatan ini diawali dengan memberikan pengetahuan mitra tentang pengelolaan limbah biomassa, pembuatan bioarang dari limbah biomassa menggunakan teknologi kiln serta pengepresan bioarang menjadi briket menggunakan mesin cetak briket yang mampu menghasilkan 20 briket. Harapan utama dari kegiatan ini adalah meningkatkan kesejahteraan masyarakat desa Pande dengan memanfaatkan limbah kelapa muda pada menjadi bio-briket dan menjualnya di daerah sekitar secara komersial. Kata Kunci: Limbah kelapa muda, kiln, bioarang, briket.
Utilization of Syngas as Co-firing Fuel for Carbonization of Arabica Coffee Pulp Rizqon Hasibuan; Adi Setiawan; Faisal Faisal
Journal of Engineering and Technological Sciences Vol. 56 No. 6 (2024)
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2024.56.6.8

Abstract

Pyrolysis is a commonly used method to produce main products such as bio-char, bio-oil and syngas. However, the practical use of syngas as a fuel is currently constrained by suboptimal properties and the necessity for specialized storage. This study investigated the impact of using syngas directly as an additional fuel for heating the pyrolysis reactor on process parameters and the properties of the resulting bio-char products. The experiment was conducted using two process variations: (i) pyrolysis utilizing syngas as fuel for co-firing with LPG, and (ii) pyrolysis using only LPG as fuel. The variables observed during the testing included the consumption of LPG fuel, process time, heating rate, pyrolysis product yields, and the properties of the bio-char. Characterization of the bio-char was carried out through proximate analysis, bomb calorimetry, thermogravimetric and FTIR analysis. Based on the experimental results it can be concluded that co-firing is able to save on the use of LPG and reduce process time. In terms of product yield, there was no significant difference when syngas was co-fired with LPG. In terms of the properties of the bio-char product, syngas co-firing pyrolysis helps in reducing the moisture content, increasing the fixed carbon content, and also increasing the calorific value up to 26855 J/g.
Effect of Freeze-Drying Pre-treatment on the Properties of Activated Carbon Derived from Arabica Coffee Pulp Effendy, Ahmad Hidayat; Setiawan, Adi; Dewi, Rozanna; Hakim, Lukman; Hasibuan, Rizqon
Reaktor Volume 24 No.3 December 2024
Publisher : Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/reaktor.24.3.82-93

Abstract

Activated carbon is a product that has many benefits since it has a high surface area and high fixed carbon content. Currently, there is still limited research that focuses on the use of coffee pulp biomass as raw material for activated carbon due to its natural properties which poses challanges. The aim of this research is to examine the influence of the pre-treatment process using the freeze-drying method on the properties of active carbon from coffee pulp waste. The best-activated carbon products can then be applied as energy storage materials. The steps taken in this study include stages (i) washing and soaking the raw materials; (ii) drying using the freeze-drying method; (iii) pyrolysis process; and (iv) activation process. Some samples were chemically activated using a KOH solution, some were physically activated using Nitrogen at a temperature of 800 °C, and the others were activated using a mixed chemical-physical method. The results of the activated carbon characteristic test show that samples dried using a freeze dryer have quite good thermal resistance with a surface morphology that has more pores. This is supported by functional group analysis which shows a reduction in unnecessary sample compounds. This research shows that freeze-drying pre-treatment affects the properties of activated carbon and indicates that the resulting activated carbon can be used as an energy storage material.
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.
Co-Authors Abdul Rahman Adi Setiawan Adi Setiawan Ahmad Nayan Alchalil Alchalil Chatarina Umbul Wahyuni Dirga, Muhammad Effendy, Ahmad Hidayat Faisal Faisal Khairul Anshar Lukman Hakim Muhammad Daud Riskina, Shafira Rozanna Dewi Siti Nurjannah