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Journal : JOURNAL SCIENTIFIC OF MANDALIKA (JSM)

PENGGUNAAN KALSIUM HIDROKSIDA (Ca(OH)2) DAN ALUMINIUM SULFAT ((Al2SO4)3) DALAM PENGOLAHAN AIR LIMBAH SETTLING POND PADA PT. INTERNASIONAL PRIMA COAL Kusnanto, Fransiska Angelina; Devy, Shalaho Dina; Winarno, Agus; Hasan, Harjuni; Respati, Lucia Litha
JOURNAL SCIENTIFIC OF MANDALIKA (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 4 No. 11 (2023): November
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol4iss11pp263-270

Abstract

Acid mine drainage (AAT) is water formed at mining sites with a low pH (pH<6) as a result of opening up a potential for rock acidity, causing problems for water quality, rocks containing sulfide minerals. The purpose of this study was to determine the effect of using calcium hydroxide (Ca(OH)2) and aluminum sulphate ((Al2SO4)3) at optimum doses on neutralixing pH and reducing metal content in AAT. This study used a variation of the dose of calcium hydroxide (Ca(OH)2) of 0,5; 0,75; 1; and 1,25 grams and the variation of the dose of aluminum sulphate ((Al2SO4)3) of 1; 1,75; 2,5; and 3,25 grams with a contact time of 20 minutes. The initial concentration of TSS acid mine drainage was 430 mg/L, Fe was 26,92 mg/L, Mn was 7,69 mg/L, and pH was 3,8. The results showed that the doses of calcium hydroxide (Ca(OH)2) and aluminum sulphate ((Al2SO4)3) had an effect on Ph, TSS, Fe, and Mn. TSS removal efficiency was 96,89%, Fe was 99,74%, and Mn was 95,19%.
Co-Authors -, Suharnawi Acun Kardianawati Adi Wibowo Afif, Rizal Naufal Afrellint, Venansius Ajib Susanto Anak Agung Gede Sugianthara Ardhiansyah, Maulana Arta Moro Sundjaja, Arta Moro Astuti, Yani Parti Azzahra, Siti Maghfirah Bandaso, Surya Budi Warsito Cahyani, Nurfadila Candra Irawan D, Ishak Bintang Darmawan, Aditya Aqil Daruis, Rabin Devi, Shalaho Dina Devy, Shalaho Dina Dina Devi, Shalaho Dina Devy, Shalaho Dwi Ermawati Rahayu Edi Faisal Edi Sugiarto Fahmi Amiq Fikri Budiman Hanny Haryanto Harjuni Hasan Hasan , Harjuni Henny Magdalena Indra Gamayanto Jamayam Rifani, Arizaldi Junta Zeniarja Juvensius Pontus, Albert Juvensius Pontus, Albertus Kasbillah, Kasbillah Kusnanto, Fransiska Angelina Lalang Erawan Lhita Respati, Lucia Litha Respati, Lucia Megasari, Anis Laela Meicahayanti, Ika Mukmin, Abdul Rijal Muslih Muslih Mutiara Eli Muzthohidun, Muhammad Nanik Prihartanti Novi Hendriyanto, Novi Nugroh, Windhu Nugroho, Windhu Permadi, Singgih Pontus, Albertus Juvensius Pulung Nurtantio Andono Putri, Agita Kendari Respati, Lucia Litha Revia Oktaviani Ricardus Anggi Pramunendar Rini Marlina, Rini Riskianto, Achmad Riyan Pradika, Muhamad Sasono Wibowo Satriana Aulia, Andi sebayang, Anakta Hartanta Sendi Novianto Shalizam, Shalizam Sirait, Tamsir Hasudungan Sitepu, Anysa Ariel Situmorang, Ardo P Stefanny Malenge, Marieke Sudarja Suharnawi Suharnawi Sukamta Sukamta Trides, Tommy Udin Zaelani, Achmad Warman, Neni Widiastuti, Masayu Yolanda, Agnes Yudi Sukmono, Yudi Yufita, Zaenul Zaenal Arifin Zakaria, Hadi Zami, Farrikh Al Zwageri, Rizky