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All Journal Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi) Waste Handling and Environmental Monitoring
Firdaus, Ega Nugraha
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science

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Comparison of combustion emissions between manual and machine set methods to reduce carbon monoxide (CO) in briquette manufacturing Firdaus, Ega Nugraha; Wulandari, Ayu; Marreta, Silvia Fauzia; Nasution, Farah Aqila Mahfudzah
Waste Handling and Environmental Monitoring Vol. 2 No. 2: (August) 2025
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/whem.v2i2.2025.2254

Abstract

Background: Renewable energy from biomass is one solution to reduce dependence on fossil fuels and the impact of carbon emissions. One form of renewable energy from biomass is briquettes. This study aims to analyze the effectiveness of using modern technology in the form of a briquette production machine set consisting of a grinder, extruder, and burner integrated with a wet scrubber innovation to reduce carbon monoxide (CO) emissions from rice husk combustion in the burner machine compared to the manual method. Methods: The research process was carried out through the stages of needs identification, CAD (Computer Aided Design)-based machine design, prototype production, and briquette performance testing using a Non-Dispersive Infrared (NDIR) analyzer. Findings: The test results showed that briquettes produced using the manual method had a higher density of 0.8 g/cm³ and produced an average CO emission of 220 ppm. These findings prove that mechanizing the process improves the physical quality of the briquettes while reducing CO emissions by around 39%. The integration of wet scrubber technology proved to be effective in absorbing additional exhaust gases and strengthening the environmentally friendly aspects of the combustion process. Conclusion: The conclusion of this study confirms that the use of integrated machinery not only improves briquette quality and energy efficiency, but also makes a significant contribution to carbon emission control efforts at the local level. Novelty/Originality of this Article: The novelty of this study lies in its comprehensive analysis comparing manual and mechanized methods using burner machines with integrated wet scrubbers in the context of rice husk briquette production.
ANALISIS STRATEGI PENGEMBANGAN REAL TIME OEE IOT PADA PERUSAHAAN MANUFAKTUR OTOMOTIF MENGGUNAKAN PENDEKATAN SWOT, IFAS, DAN EFAS Fairuz, Mochammad Enrico; Firdaus, Ega Nugraha; Hariyadi, Davina Luthfiyah
Jurnal Ilmiah Manajemen, Ekonomi, & Akuntansi (MEA) Vol 9 No 3 (2025): Edisi September - Desember 2025
Publisher : LPPM STIE Muhammadiah Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31955/mea.v9i3.6615

Abstract

Transformasi digital dalam era Industri 4.0 menuntut perusahaan manufaktur untuk meningkatkan efisiensi melalui sistem berbasis Internet of Things (IoT). Penelitian ini bertujuan merumuskan strategi pengembangan sistem Real-Time Overall Equipment Effectiveness (OEE) berbasis IoT di PT. E sebagai upaya optimalisasi kinerja produksi. Pendekatan yang digunakan adalah mixed method dengan dominasi kualitatif melalui wawancara, observasi, dan kuesioner terhadap lima responden ahli. Analisis dilakukan menggunakan kerangka SWOT yang dikuantifikasi melalui matriks IFAS dan EFAS serta dievaluasi menggunakan Quantitative Strategic Planning Matrix (QSPM). Hasil menunjukkan nilai IFAS sebesar 3,246 dan EFAS sebesar 3,175, menempatkan perusahaan pada posisi kuat dengan peluang eksternal tinggi. Strategi prioritas dengan nilai Total Attractiveness Score (TAS) tertinggi sebesar 1,722 adalah pelatihan rutin bagi pengguna sistem, yang menekankan pentingnya peningkatan kompetensi sumber daya manusia dalam keberhasilan implementasi digital. Penelitian ini membuktikan bahwa integrasi sistem OEE berbasis IoT tidak hanya meningkatkan efektivitas peralatan, tetapi juga menjadi dasar perumusan strategi pengembangan manufaktur cerdas. Kebaruan penelitian terletak pada penerapan terintegrasi metode SWOT–IFAS–EFAS–QSPM dalam analisis strategi digitalisasi produksi di industri otomotif.
Co-Authors Ayu Wulandari Fairuz, Mochammad Enrico Hariyadi, Davina Luthfiyah Marreta, Silvia Fauzia Nasution, Farah Aqila Mahfudzah