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UPT Publikasi Ilmiah, Universitas Islam Bandung. Jl. Tamansari No. 20, Bandung 40116, Indonesia, Tlp +62 22 420 3368, +62 22 426 3895 ext. 6891
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Bandung Conference Series: Mining Engineering
Published by Universitas Islam Bandung
ISSN : -     EISSN : 28282140     DOI : https://doi.org/10.29313/bcsme.v2i2
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Engineering Materials Science & Nanotechnology
Bandung Conference Series: Mining Engineering (BCSME) menerbitkan artikel penelitian akademik tentang kajian teoritis dan terapan serta berfokus pada Teknik Pertambangan dengan ruang lingkup Analisis sensitivitas Net Present Value (NPV), Anggaran Biaya Crushing Plant, API 5L Grade B, Belt Conveyor, BESR II, Crude Oil, Crushing plant, Dimensi Paritan, Discounted Cash Flow (DCF), Dump Truck, Economic SR, Efisiensi Kerja Cassiterite, Gas, Korosi, Hopper, Internal Rate of Return (IRR), Kapasitas Sump Jalan Angkut, Lifetime Biaya Produksi, Loosematerials, Payback Periode (PBP), Pemompaan, Peringkat Batubara, Pipa Baja Karbon, Crude Oil, Pipa Baja, Pipa Transportasi, Pit Design BWE, Productin Rate Index Crushing Plant, Produktivitas Debit Air, Rencana Reklamasi, Roller, Sisa Umur Pakai Pipa Baja Karbon, Sisa Umur Pakai Pipa Reflektan Vitrinit, Sisa Umur Pakai, Sistem Dewatering, Target Ban, KPH, TUR, Variable Crushing Plan. Prosiding ini diterbitkan oleh UPT Publikasi Unisba. Artikel yang dikirimkan ke prosiding ini akan diproses secara online dan menggunakan double blind review minimal oleh dua orang mitra bebestari.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
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Search results for , issue "125 - 132" : 1 Documents clear
Evaluasi Kapasitas dan Pemeliharaan Settling Pond CP 1 di Site Bakan PT JRBM Muhammad Azka; Yunus Ashari; Noor Fauzi Isniarno
Bandung Conference Series: Mining Engineering 125 - 132
Publisher : UNISBA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/bcsme.v6i2.24666

Abstract

Abstract. This study aims to evaluate the actual capacity of Settling Pond CP1 based on runoff discharge and sedimentation, determine the optimal maintenance interval, and assess the effectiveness of Total Suspended Solids (TSS) reduction at the Bakan Site of PT J Resources Bolaang Mongondow. Hydrological analysis was conducted using the Rational Method based on rainfall data from 2015–2024, while the sedimentation rate was calculated from the combination of flow discharge and TSS concentration. The actual capacity of the settling pond was determined through topographic measurements and storage volume calculations. The results indicate that the actual capacity of Settling Pond CP1 is 178,109 m³, which is still sufficient to accommodate the design runoff discharge, although its capacity has decreased due to sediment accumulation. The total sedimentation rate entering the system is 27,003.2 m³/month, resulting in maintenance intervals of 1.88 months for Pond 1, 8.09 months for Pond 2, 4.00 months for Pond 3, and 12.97 months for Pond 4. TSS testing showed a reduction from 17,500 mg/L at the inlet to 30 mg/L at the outlet, with a removal efficiency of 99.7%, meeting the mining wastewater quality standard of 200 mg/L. Therefore, Settling Pond CP1 remains effective as a sediment control facility but requires periodic dredging according to the calculated maintenance intervals.   Abstrak. Penelitian ini bertujuan untuk mengevaluasi kapasitas aktual Settling Pond CP1 berdasarkan debit limpasan dan sedimentasi, menentukan interval pemeliharaan yang optimal, serta mengevaluasi efektivitas penurunan Total Suspended Solids (TSS) di Site Bakan PT J Resources Bolaang Mongondow. Analisis hidrologi dilakukan menggunakan Metode Rasional berdasarkan data curah hujan periode 2015–2024, sedangkan laju sedimentasi dihitung berdasarkan kombinasi debit aliran dan konsentrasi TSS. Kapasitas aktual settling pond ditentukan melalui pengukuran topografi dan perhitungan volume tampungan. Hasil penelitian menunjukkan bahwa kapasitas aktual Settling Pond CP1 sebesar 178.109 m³ masih mampu menampung debit limpasan rencana, meskipun telah mengalami penurunan kapasitas akibat akumulasi sedimen. Total laju sedimentasi yang masuk ke sistem sebesar 27.003,2 m³/bulan, dengan interval pemeliharaan masing-masing 1,88 bulan untuk Pond 1, 8,09 bulan untuk Pond 2, 4,00 bulan untuk Pond 3, dan 12,97 bulan untuk Pond 4. Pengujian TSS menunjukkan penurunan konsentrasi dari 17.500 mg/L pada inlet menjadi 30 mg/L pada outlet dengan efektivitas penurunan sebesar 99,7%, sehingga memenuhi baku mutu air limbah pertambangan sebesar 200 mg/L. Dengan demikian, Settling Pond CP1 masih efektif sebagai fasilitas pengendalian sedimen, namun memerlukan pengerukan sedimen secara berkala sesuai interval pemeliharaan yang telah ditentukan.

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