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      Pemodelan Dispersi Emisi Partikulat Berdasarkan Skenario Efisiensi Bag filter di Industri Semen

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      Date
      2026
      Jenis/Type
      Tugas Akhir
      Subtype
      Undergraduate Theses
      Author
      SARI, IMELINDA RAHMA
      Turyanti, Ana
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      Abstract
      Industri semen berpotensi menghasilkan emisi partikulat dalam jumlah besar sehingga dibutuhkan teknologi pengendalian untuk mengurangi emisi yang dilepaskan ke udara ambien. Penelitian bertujuan menghitung laju emisi partikulat, memodelkan dispersi emisi partikulat, serta mengevaluasi skenario efisiensi bag filter. Pemodelan menggunakan software AERMOD View untuk skenario eksisting dan bag filter. Penerapan bag filter dengan efisiensi 99,90%; 99,95%; dan 99,98% dan konsentrasi emisi secara berurutan 70,79; 35,39; dan 14,16 mg/Nm³ menghasilkan laju emisi 15,68; 7,84; dan 3,14 g/detik. Efisiensi bag filter yang diperlukan untuk memenuhi baku mutu emisi cerobong adalah >99,90%. Pemodelan dispersi menunjukkan sebaran partikulat dominan ke arah utara dan timur laut mengikuti arah angin dominan, sedangkan konsentrasi maksimum terbentuk di sektor tenggara akibat pengaruh kecepatan angin maksimum dan kondisi topografi. Evaluasi pemodelan menunjukkan penurunan konsentrasi partikulat di udara ambien dari 11,1 µg/m³ menjadi 11,0; 6,09; dan 2,50 µg/m³ serta tetap memenuhi baku mutu kualitas udara ambien.
       
      The cement industry is a major source of particulate emissions, requiring effective control technologies to reduce their impact on ambient air quality. This study estimated particulate emission rates, simulated particulate dispersion, and evaluated bag filter efficiency scenarios using AERMOD View. Bag filter efficiencies of 99,9%; 99,95%; and 99,98% produced outlet concentrations of 70,79; 35,39; and 14,16 mg/Nm³, corresponding to emission rates of 15,68; 7,84, and 3,14 g/s, respectively. The results indicate that a bag filter efficiency exceeding 99,90% is required to comply with the stack emission standard. Dispersion modeling showed that particulate transport followed the prevailing wind toward the north and northeast, while the maximum ground-level concentration occurred in the southeastern sector due to wind speed and topographic effects. Ambient particulate concentrations decreased from 11,1 to 11,0; 6,09; and 2,50 µg/m³ under the evaluated scenarios and remained below the ambient air quality standard.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/175598
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      • UF - Environmental Engineering and Management [321]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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