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All Journal Rekayasa Mesin Turbo : Jurnal Program Studi Teknik Mesin Jurnal AME (Aplikasi Mekanika dan Energi): Jurnal Ilmiah Teknik Mesin Prosiding Seminar Nasional Unimus Jurnal Imiah Pengabdian Pada Masyarakat (JIPM) Jurnal Polimesin Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Dharmakayana: Journal of scientists, engineers, educators and scientific activists related to society development
Agus Nuramal
Mechanical Engineering Universitas Bengkulu, Bengkulu, 38371, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health Social Sciences

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Pemberdayaan Masyarakat Melalui Pelatihan Pembuatan Kompos dengan Memanfaatkan Limbah Pelepah Sawit di Pematang Gubernur Nuramal, Agus; Eka Putra, Rama Dani; zuliantoni, Zulian; Supardi, Nurul Iman
Dharmakayana Vol 2 No 2 (2025): November : Dharmakayana: Journal of scientists, engineers, educators and scientif
Publisher : Program Studi Teknik Mesin, Fakultas Teknik Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/dk.v2i2.45790

Abstract

Palm oil frond waste is a type of agricultural waste that is quite abundant in Pematang Gubernur Village, Muara Bangkahulu District, Bengkulu City. To date, this waste has not been optimally utilized and tends to be discarded, thus potentially polluting the environment. This community service activity aims to improve community knowledge and skills in processing palm oil frond waste into compost through hands-on training (learning by doing). The implementation method includes identifying partner needs, counseling, technical training in composting, practical assistance, as well as evaluation and follow-up. The results of the activity show an increase in community knowledge and skills in composting, the formation of compost products resulting from the training, the development of training modules, and the formation of community-based compost processing groups. This activity proves that utilizing palm oil frond waste can be an environmentally friendly solution while supporting community food security.
Design, simulation, and experimental validation of a 50 kg biomass-fired coffee drying oven Agus Nuramal; Efran Riansyah Rahmat Jaya; Dedi Suryadi; Zuliantoni Zuliantoni1; Hardiansyah Hardiansyah; Rama Dani Eka Putra
Jurnal Polimesin Vol 24, No 1 (2026): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i1.8603

Abstract

Despite coffee is one of the leading commodities in Bengkulu Province, the traditional drying process of coffee beans for 10-14 days are still a common practice. This research aims to design, fabricate, and evaluate the thermal performance of a 50 kg capacity wood-fueled coffee drying oven. A three-dimensional CFD model was developed using ANSYS Fluent to analyze temperature distribution within the drying chamber and optimize thermal performance prior to fabrication. Experimental testing was conducted to validate the numerical predictions under controlled operating conditions. The proposed technology is distinguished by its use of locally available biomass fuel. The results of the coffee drying oven simulation, under empty conditions, achieved the desired temperature based. The drying time for coffee beans in this research was 9 hours, achieving a moisture content of 10% to 13% (a moisture content of 12.5% is the Indonesian National Standard. Simulation results predicted chamber temperatures ranging from 67°C to 87°C with an inlet temperature of approximately 100°C, indicating adequate thermal conditions for drying. Experimental measurements showed good agreement with the CFD model, reaching near-steady thermal conditions within 25 minutes.
Pemanfaatan Pupuk Organik Cair (POC) Limbah Ternak dalam Meningkatkan Kesuburan Lahan Sayur di Desa Muara Danau Agus Nuramal; Delon Ananda Yahya Harianja; Muhammad Raihan Palovi; Wiwin Lestari; Maynaldo sinaga; Anis Syarifatul Mursyidah
Jurnal Imiah Pengabdian Pada Masyarakat (JIPM) Vol 4 No 1 (2026): Juli - September
Publisher : CV. ITTC INDONESIA

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Abstract

The dependence of vegetable farmers in Muara Danau Village on chemical fertilizers is quite high, while the animal waste owned by almost all residents is just left to pile up around the pens. This community service activity aims to provide training to vegetable farmer groups and local livestock farmers on how to make liquid organic fertilizer from a mix of cow, goat, and chicken manure using a participatory approach. This includes assessing needs, socialization, hands-on training, guidance at demonstration plots, and evaluation. The liquid organic fertilizer is made by adding rice washing water, palm sugar or molasses, and the EM4 bioactivator, then fermenting it anaerobically for two to three weeks. The results of the activity showed a significant increase in participants’ understanding compared to the pre-test and post-test scores, especially regarding the amount of ingredients and product maturity indicators.Trials on demonstration plots of water spinach and mustard greens also showed that plant growth and soil conditions were better in plots given liquid organic fertilizer compared to control plots given chemical fertilizer. Some challenges faced during implementation included limited fermentation containers, the community’s old habits that hadn’t fully adapted yet, and weather impacts affecting fermentation consistency. This activity proves that livestock waste can be utilized to make quality liquid organic fertilizer and has the potential to be developed into a farmer group business.
Strategi Pengembangan Agribisnis Sayuran Skala Kecil Berbasis Pemanfaatan Lahan Kosong Di Desa Muara Danau Agus Nuramal; Rintan Milia Sari; Bintang Tiara Diva Azzahra; Dwinaya Ramadhini; Suyanti Suyanti
Jurnal Imiah Pengabdian Pada Masyarakat (JIPM) Vol 4 No 1 (2026): Juli - September
Publisher : CV. ITTC INDONESIA

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Abstract

Muara Danau Village has numerous vacant plots surrounding residents’ homes that have historically been left to grow wild or used only sporadically without productive management, even though residents still largely rely on purchasing vegetables to meet their daily needs. This Community Service Program (KKN) aimed to encourage residents to utilize these vacant plots for vegetable cultivation through a participatory approach ranging from land inventory and outreach to practical planting training and guidance on demonstration plots. Activities were conducted across three types of land settings reflecting local conditions: semi-shaded home gardens, open land, and limited spaces utilizing polybags; trial crops included water spinach (kangkung), mustard greens (sawi), and bird’s-eye chili (cabai rawit). Results indicated a significant improvement in residents’ understanding of vegetable cultivation techniques and their habits regarding the recording of costs and yields compared to pre-training levels. Participants subsequently formed small groups to manage communal gardens and began initiating sales of their produce to local village shops and via social media. Despite facing challenges such as water scarcity during the dry season and limited market reach, the program successfully fostered an awareness among residents that vacant land around their homes could serve as both a food source and a means of generating additional family income.
Co-Authors A Sofwan FA Aditya Afrizal Afdhal Kurniawan Mainil Alqap, A. Sofwan F Angky Puspawan Anis Syarifatul Mursyidah Anugrah, Dwi Permana Arif Rahman Hafiz Bintang Tiara Diva Azzahra Dedi Suryadi Dedi Wahyudi Delon Ananda Yahya Harianja Dody Ariawan Dwinaya Ramadhini Efran Riansyah Rahmat Jaya Eka Putra, Rama Dani Falah, Sabilul Hadi Susanto, Tri Nugroho Hardiansyah Hardiansyah Hasibuan, Zulfahmi Matumona Helmizar - Hendri Hestiawan Hendri Hestiawan Hendri Hestiawan Hidayatullah, Nasrul Ikhwanusshofa, Muhammad Izza, Rohul Julianto Sinaga Khairul Amri Lesmana, Pandu Maynaldo sinaga Mifta Aroyyani Muhammad Raihan Palovi Nopita, Dian Nurul Iman Supardi Pratama, Gilang Giyas Pratama, Samuel Yoga Rama Dani Eka Putra Rifki Sulthan Rintan Milia Sari Rosa, Khairul Amri Rosa, M. Khairul Amri Satria, Miko Sudibyo Sudibyo Suyanti Suyanti Wiwin Lestari Yossie Anggraeny M Yovan Witanto Yovan Witanto Yovan Witanto Yueprayuga, Abie Zuliantoni Zuliantoni1 Zuliantoni, Zuliantoni