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All Journal Empowerment: Jurnal Pengabdian Masyarakat Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII
Agus Margana Womal
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STUDI PENANGANAN AIR ASAM TAMBANG DENGAN METODE AKTIF (ACTIVE TREATMENT) PADA PT. BUKIT ASAM Tbk (Studi Kasus KPL Saluran ALP IUP Tambang Air Laya) Agus Margana Womal
Retii Prosiding Seminar Nasional ReTII Ke-14 2019
Publisher : Institut Teknologi Nasional Yogyakarta

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ABSTRACT Coal mining, excavation and stockpiling activities carried out by PT. Bukit Asam Tbk has the potential to produce acidic water or commonly called acid mine drainage (AAT) which does not meet environmental quality standards including pH parameters, Fe and Mn metal content to fulfill the quality standards must be processed and handled. PT. Bukit Asam Tbk in handling acid mine drainage using active treatment and passive (passive treatment). The active method is by using chemicals as neutralization pH includes quicklime, in the mining industry tohor lime is commonly used in neutralizing the acidity (pH) of acid mine drainage. The results showed that AAT prior to handling had not met environmental quality standards (BML) based on Ministerial decree of environmental number 113 of 2003 and South Sumatra governor of regulations number 8 of 2012 for pH parameters (4) Fe concentration (8.2908 mg/l) and Mn concentration (6.1295 mg/l). Whereas after handling using calcium lime has met BML set by the government based on the parameters ph (7), the concentration of Fe (0.3259), and the concentration of Mn (0.2685).Comparison of the need for the amount of lime and the volume of acid mine drainage in the KPL ALP channel is obtained if the volume of water in the KPL is 8,640,000 L/day, then the need for quicklime (1.728 Kg/day), then 6,912,000 L/day for quicklime (1.382,4 Kg/day) and the volume of water 9,504,000 L/day, the need for quicklime (1.900,8 Kg/day).Keyword : Acid mine drainage, active method, pH, Fe, Mn
Identifikasi Potensi Air Tanah Di Desa Latellang Kec. Patimpeng Kab. Bone Sulawesi Selatan Noor, Moh Khaidir; Muh Yazid Amsah, La Ode; Surianti; Anna Irada La Ode Malim; Agus Margana Womal; Nor Dani
Empowerment: Jurnal Pengabdian Masyarakat Vol. 4 No. 1 (2025): Januari - Februari 2025
Publisher : Pusat Riset Manajemen dan Publikasi Ilmiah Serta Pengembangan Sumber Daya Manusia Sinergi Cendikia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55983/empjcs.v4i1.487

Abstract

Groundwater is water stored in layers of soil or rocks below the surface of the ground. Groundwater has an important role as a source of water for human life, especially for household needs. This community service activity aims to provide information to the community regarding the availability of groundwater potential zones and provide recommendations for the depth of groundwater drilling. The background to this activity was because there were people in Latellang Village, Patimpeng District, Kab. Bone still relies on shallow groundwater (dug wells) to meet its clean water needs. The method used is the geoelectric method where data is collected directly in the field, from the measurement data then analysis is carried out to determine the presence of groundwater potential zones in Latellang Village, Patimpeng District, Bone Regency. The results of the geoelectric measurements carried out obtained a resistivity value of 80.8 ohm.m as a layer that has the potential to be an aquifer layer with a breccia lithology type, where the porosity is high so it is good as a reservoir rock. The thickness of this layer reaches 92.7 meters starting from a depth of 5.38 to 97.7 meters.
Co-Authors Anna Irada La Ode Malim Muh Yazid Amsah, La Ode Noor, Moh Khaidir Nor Dani Surianti