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Urecol Journal. Part E: Engineering
Published by Konsorsium LPPM Perguruan Tinggi Muhammadiyah 'Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY
ISSN : -     EISSN : 27970418     DOI : -
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Urecol Journal. Part E: Engineering is a peer-reviewed journal published by Konsorsium LPPM Perguruan Tinggi Muhammadiyah Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY. This scientific journal specifically discusses the findings, new methods, and research experiences in engineering sciences from the University Research Colloquium (URECOL) which is held twice a year
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 2 Documents
 1 
Search results for , issue "Vol. 5 No. 2 (2025): August-Dec" : 2 Documents clear
Consequence Modelling of Biogas Release from Storage Tanks Using EFFECTS Software Nashira, Alimatun; Afrilia, Heningtyas Dwi
Urecol Journal. Part E: Engineering Vol. 5 No. 2 (2025): August-Dec
Publisher : Konsorsium LPPM Perguruan Tinggi Muhammadiyah 'Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY

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Abstract

Biogas is a renewable energy source with the potential to reduce dependence on fossil fuels and greenhouse gas emissions. However, handling biogas requires special attention to safety and security aspects due to its flammable and toxic nature. This study aims to model the consequence of biogas release using the EFFECTS software. The simulation varies pressure levels (1034, 1500, 2000, 2500, 3000 mbar), biogas composition, and atmospheric conditions (Pasquill stability classes B, C, and F). The modelling analyses the potential consequences of a biogas release incident, taking into account meteorological and topographical conditions that influence gas dispersion. The worst impacts of explosion and toxic gas dispersion occur under stable atmospheric conditions (Pasquill stability class F). Storage tank pressure has little effect on the overpressure contour distance, with the light damage zone only reaching a maximum distance of 68 meters from the tank. However, biogas tank pressure significantly affects the reach of toxic substances, where a leak from a tank at 3000 mbar results in AEGL-2 and AEGL-3 zones extending up to 7086 meters and 2779 meters, respectively. Biogas compositions with higher methane content have a slightly larger explosion range, while those richer in carbon dioxide have a farther reach of toxic substances, though the differences are not significant. The results of this simulation are expected to provide valuable insights for industrial accident prevention efforts and the enhancement of safety standards in the renewable energy sector, particularly in biogas management.
Manufacturing Industry Production Chain In Jebres District, Surakarta (Case Study: Nira Faro Industry) Risnandar, Hian; Ramadhan, Ibnu Sina; Zinan, Muhamad Roudhul; Anggani, Nirma Lila
Urecol Journal. Part E: Engineering Vol. 5 No. 2 (2025): August-Dec
Publisher : Konsorsium LPPM Perguruan Tinggi Muhammadiyah 'Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY

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Abstract

Small and medium industries have an important role in strengthening the local economy. This study aims to determine the production chain system in the Nira Faro Industry in Jebres District, Surakarta City. The method used is descriptive qualitative through observation, interview, and documentation. The results showed that Nira Faro industry is an independent industry with a made to order production system. Nira Faro industry uses raw materials from outside the city with limited labor and marketing directly and online. Production activities are carried out simply with human labor. In conclusion, although it is run simply, the Nira Faro industry is able to survive and develop even though it still needs improvement in strengthening the business network

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