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All Journal Jurnal Serambi Engineering Jurnal Natural Journal of Applied Technology PESARE: Science and Engineering Service Journal JURNAL REKAYASA KIMIA & LINGKUNGAN
Teuku Mukhriza
Department Of Chemical Engineering, Faculty Of Engineering, Universitas Syiah Kuala,
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Energy Engineering Environmental Science Immunology & microbiology Neuroscience Physics Public Health

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Pelatihan Pembuatan Biochar Sekam Padi sebagai Upaya Peningkatan Keterampilan dan Kesuburan Lahan bagi Petani Kacang Koro di Desa Lam Peudaya, Kecamatan Darussalam, Aceh Besar Oktarina, Hartati; Jauharlina, Jauharlina; Chamzurni, Tjut; Zaitun, Zaitun; Mukhriza, Teuku
PESARE: Jurnal Pengabdian Sains dan Rekayasa Vol 3, No 3 (2025): Oktober 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/pesare.v3i3.49818

Abstract

Most of the residents of Lampeudaya Village, Darussalam District, Aceh Besar Regency, work as farmers. These farmers, particularly those growing jack bean (Canavalia ensiformis), face the problem of low soil fertility, which impacts production. This community service activity aims to provide scientific and practical solutions to the problems faced by farmers particularly concerning low soil fertility and limited knowledge of appropriate technology. The partners involved in this program were 25 active farmers highly motivated to improve crop yields through environmentally friendly technological approaches. The implementation methods included in-service training (IST) and on-service training (OST) using a participatory approach, encompassing theoretical sessions, hands-on practice in producing biochar from rice husks, and evaluation through pre- and post-tests. The results of the activity showed a 45% increase in participants' knowledge and a high level of satisfaction with the content and delivery methods. Most participants began producing and applying biochar independently on their farms. This activity successfully enhanced the farmers technical capacity, ecological awareness, and economic potential. The activity recommends continued mentoring programs to ensure the sustainability of biochar production and its application in sustainable farming systems. This training model can be replicated in other areas with similar characteristics.
Pelatihan Pembuatan Ekoenzim dari Limbah Organik Rumah Tangga di Gampong Kopelma Darussalam, Banda Aceh Chamzurni, Tjut; Jauharlina, Jauharlina; Sriwati, Rina; Mukhriza, Teuku; Oktarina, Hartati
PESARE: Jurnal Pengabdian Sains dan Rekayasa Vol 2, No 1 (2024): Februari 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/pesare.v2i1.37796

Abstract

Ecoenzyme is the result of fermentation of organic kitchen waste such as fruit and vegetable pulp, sugar and water. Ecoenzyme acts as various purposes such as pesticide and disinfectant. Therefore, we conducted community service activities aimed at providing a training in making ecoenzymes from household organic waste. Ecoenzyme-making training was given to the Family Welfare Development Group (PKK) in Gampong Kopelma Darussalam, Banda Aceh. The participants were lectured about ecoenzyme and its benefits and followed by discussion. It was then followed by a practical session on ecoenzymen-making activity. From this activity, the PKK group in Gampong Kopelma Darussalam, Banda Aceh, gained knowledge about a method to manage household organic waste become useful products. Furthermore, these skills can also be a source of additional income for local residents. During the training, the service team brought ready-made ecoenzymes and plants so they could provide examples of how to apply ecoenzymes to plants. The ecoenzyme and plants were given as souvenirs to the training participants.
Comparative Study between ADMS and CFD in Modeling Dust Dispersion from a Blasting Events in Quarry Rinaldi, Wahyu; Mukhriza, Teuku
Jurnal Rekayasa Kimia & Lingkungan Vol 8, No 2 (2011): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

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Abstract

Two frequently used methods in atmospheric dispersion modeling (ADMS and CFD) were compared in this study to predict pit retention within an open quarry. Conventional Gaussian plume models developed by CERC, ADMS 3 and ADMS 4, were used to predict the pit retention. This study mimicked Fluent CFD modeling of dust dispersion of a blasting event in Old Moor Quarry. A single blast event that liberated a typical 25,000 tons of rock released 1,900 kg of Total Suspended Particle (TSP). The emission source geometry was defined as a three dimensional block volume source of 70 m normal to the face, 80 m in width and 20 m in height. It was also assumed the TSP liberated over one hour had an emission rate of 4.71x10-3 g/m3/s. The four particle sizes were defined as 2.5, 10, 30 and 75 m at mass fractions of 0.05, 0.45, 0.3 and 0.2 respectively and the particles were assumed have uniform limestone density of 2600 kg/m3. The results indicated that ADMS and model based on CFD indicates similar trend, that is, pit retention is proportional to distance from source to pit edge along wind direction and proportional to inverse quarry gradient.Keywords: dust dispersion, blasting, ADMS, CFD, pit retention
Co-Authors Al Attharsyah, Teuku Zibran Ambarita, Aulia Chintia Amsi, Utari Yasmine ANH N. PHAN Apriansyah, Ahmad Muhar Cut Meurah Rosnelly Desy Anggriani Fazira, Zetta Hisbullah Hisbullah Hisbullah Hisbullah IAN SINGLETON Jauharlina Jauharlina Kamaruzzaman, Suraiya KUI ZHANG LIDIJA ŠILLER Lisa Azila Nasution, Fahrizal Rina Sriwati Syaubari Syaubari Tjut Chamzurni Wahyu Rinaldi Wahyu Rinaldi Yuliana Sy Zaitun Zaitun