BibTex Citation Data :
@article{JPII23859, author = {Rahajeng Diah Pramesthi and Badrus Zaman and S Silviana}, title = {Pengolahan AMD (Acid Metalliferous Drainage) pada Pembangunan TSF (Tailing Storage Facilty) di PT. Agincourt Resources Martabe Gold Mine, Desa Aek Pining, Kecamatan Batangtoru, Sumatera Utara}, journal = {Jurnal Profesi Insinyur Indonesia}, volume = {1}, number = {8}, year = {2024}, keywords = {}, abstract = { AMD (Acid Metalliferous Drainage) Management in the Construction of TSF (Tailing Storage Facility) at PT Agincourt Resources Martabe Gold Mine, Aek Pining Village, Batangtoru District, North Sumatra. Indonesia is a country that has abundant potential for mining materials in the form of gold, silver, coal, copper, bauxite, iron, nickel, tin, diamond, and etc. One of the major gold mining projects in Indonesia is the Martabe mine, which is located in the South Tapanuli area, North Sumatra. PT Agincourt Resources (PTAR) in the process of mine the ore, will disrupt potentially acid forming (PAF) overburden associated with sulfate mineralization and known to produce Acid Mining Water (AMD). PTAR uses the construction of the TSF Dam as a means of utilizing production waste rock material and a means of long-term rehabilitation using encapsulation method by selectively placing PAF and installing low permeability layers (LPL) or “sealing layers. From the research, it was found that the average pH of the surface water at the toe of TSF dam is 5.1-6.93. This data shows that the waste rock encapsulation in the TSF dam is able to withstand sulfide oxidation contained in PAF-High Risk & PAF waste rock, which has an average pH of <3.5-6 before being encapsulated with class 1 and 2 rocks. Oxygen data from WRSF instrumentation showed a decrease in oxygen to zero after placement using the encapsulation method. Keywords : dam, tailing storage facility, AMD, Martabe, enkapsulasi, WRSF Abstrak Negara Indonesia merupakan salah satu negara yang memiliki potensi bahan tambang melimpah berupa emas, perak, batubara, tembaga, bauksit, besi, nikel, timah, intan, dan masih banyak lagi. Salah satu proyek tambang emas besar di Indonesia adalah tambang Martabe yang berlokasi di daerah Tapanuli Selatan, Sumatera Utara. PT Agincourt Resources (PTAR) dalam proses menambang akan mengganggu tanah penutup yang berpotensi membentuk asam/potentially acid forming (PAF) yang dikaitkan dengan mineralisasi sulfat yang diketahui menghasilkan Air Asam Tambang (AMD). PTAR menggunakan konstruksi Bendungan TSF sebagai sarana pemanfaatan material batuan sisa produksi dan sarana rehabilitasi jangka panjang dengan metode enkapsulasi, menempatkan PAF secara selektif dan pemasangan low permeability layers (LPL) atau “sealing layers”. Dari hasil penelitian didapatkan pH rata-rata air permukaan di kaki bendungan TSF, berada di 5,1-6,93. Data ini menunjukkan, enkapsulasi batuan sisa di bendungan TSF mampu menahan oksidasi sulfida yang terdapat pada batuan sisa PAF-High Risk & PAF yang memiliki pH rata-rata <3,5-6 dan sebelum dienkapsulasi dengan batuan kelas 1 dan 2. Instrumentasi WRSF menunjukkan terjadinya penurunan oksigen setelah menggunakan metode enkapsulasi. Kata kunci : bendungan, tailing storage facility, AMD, Martabe, enkapsulasi, WRSF }, issn = {2985-8100}, doi = {10.14710/jpii.2023.23859}, url = {https://ejournal2.undip.ac.id/index.php/jpii/article/view/23859} }
Refworks Citation Data :
AMD (Acid Metalliferous Drainage) Management in the Construction of TSF (Tailing Storage Facility) at PT Agincourt Resources Martabe Gold Mine, Aek Pining Village, Batangtoru District, North Sumatra. Indonesia is a country that has abundant potential for mining materials in the form of gold, silver, coal, copper, bauxite, iron, nickel, tin, diamond, and etc. One of the major gold mining projects in Indonesia is the Martabe mine, which is located in the South Tapanuli area, North Sumatra. PT Agincourt Resources (PTAR) in the process of mine the ore, will disrupt potentially acid forming (PAF) overburden associated with sulfate mineralization and known to produce Acid Mining Water (AMD). PTAR uses the construction of the TSF Dam as a means of utilizing production waste rock material and a means of long-term rehabilitation using encapsulation method by selectively placing PAF and installing low permeability layers (LPL) or “sealing layers. From the research, it was found that the average pH of the surface water at the toe of TSF dam is 5.1-6.93. This data shows that the waste rock encapsulation in the TSF dam is able to withstand sulfide oxidation contained in PAF-High Risk & PAF waste rock, which has an average pH of <3.5-6 before being encapsulated with class 1 and 2 rocks. Oxygen data from WRSF instrumentation showed a decrease in oxygen to zero after placement using the encapsulation method.
Keywords: dam, tailing storage facility, AMD, Martabe, enkapsulasi, WRSF
Abstrak
Negara Indonesia merupakan salah satu negara yang memiliki potensi bahan tambang melimpah berupa emas, perak, batubara, tembaga, bauksit, besi, nikel, timah, intan, dan masih banyak lagi. Salah satu proyek tambang emas besar di Indonesia adalah tambang Martabe yang berlokasi di daerah Tapanuli Selatan, Sumatera Utara. PT Agincourt Resources (PTAR) dalam proses menambang akan mengganggu tanah penutup yang berpotensi membentuk asam/potentially acid forming (PAF) yang dikaitkan dengan mineralisasi sulfat yang diketahui menghasilkan Air Asam Tambang (AMD). PTAR menggunakan konstruksi Bendungan TSF sebagai sarana pemanfaatan material batuan sisa produksi dan sarana rehabilitasi jangka panjang dengan metode enkapsulasi, menempatkan PAF secara selektif dan pemasangan low permeability layers (LPL) atau “sealing layers”. Dari hasil penelitian didapatkan pH rata-rata air permukaan di kaki bendungan TSF, berada di 5,1-6,93. Data ini menunjukkan, enkapsulasi batuan sisa di bendungan TSF mampu menahan oksidasi sulfida yang terdapat pada batuan sisa PAF-High Risk & PAF yang memiliki pH rata-rata <3,5-6 dan sebelum dienkapsulasi dengan batuan kelas 1 dan 2. Instrumentasi WRSF menunjukkan terjadinya penurunan oksigen setelah menggunakan metode enkapsulasi.
Kata kunci: bendungan, tailing storage facility, AMD, Martabe, enkapsulasi, WRSF
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