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All Journal Jurnal Teknologi Pertambangan Jurnal Teknologi Mineral dan Batubara JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) Jurnal Rekayasa Material, Manufaktur & Energi Prosiding Seminar Nasional Sains dan Teknologi Terapan Journal of Metallurgical Engineering and Processing Technology Jurnal Teknologi Mineral dan Batubara
Dyah Probowati, Dyah
Prodi Teknik Pertambangan, Fakultas Teknologi Mineral, UPN “Veteran” Yogyakarta, Jl. SWK 104 (Lingkar Utara), Yogyakarta 55283 Indonesia
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering

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Journal : Journal of Metallurgical Engineering and Processing Technology

 1 
Analysis of Tin Grade and Recovery in Monazite Retreatment with Three Disc Magnetic Separator Adi Putri, Lintang Larasati; Probowati, Dyah; Amalia, Yasmina
Journal of Metallurgical Engineering and Processing Technology Vol 5, No 1 (August 2024)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v5i1.12900

Abstract

Retreatment is conducted to obtain tin that remains in the monazite tailings (2-3% Sn)  from the processing that has been carried out by PT. Timah. The purpose of this study is to analyse the presence of tin in monazite as well as the effect of magnetic intensity and opening feed on recovery and tin grade by employing a quantitative method of experimentation with three disc magnetic separator. In this study, magnetic intensity was used with disc 1, 2, and 3 respectively is 1.1 T, 1.3 T, 1.5 T (A); 1.3 T, 1.5 T, 1.7 T (B); and 1.5 T, 1.7 T, 1.9 T (C) with opening feed 0.4 cm and 0.8 cm. Based on the experiment, the highest tin grade is 7.33% with the largest combination of magnetic intensity, variation C, and opening feed 0.4 cm. Meanwhile, the highest recovery of 73.64% was obtained at the lowest magnetic intensity, variation A, with the same opening feed. It can be seen that by increasing the magnetic intensity, the tin content will be higher. Meanwhile based on some related experiment, the larger the opening feed, the higher the recovery. However, it should be noted that the opening feed used must not exceed 0.8 cm. If the opening feed used is equal or wider than 0.8 cm, it requires a strong magnetic intensity or the grade and recovery produced will not change significantly.
Co-Authors Adi Putri, Lintang Larasati Anin, Michell Satria Chame Asworo, Monika Bahagiarti, Sari Farisan, Ardhan Haq, Shofa Rijalul hasywir thaib siri, hasywir thaib Hermanto, Olivia Silvi Heru Suharyadi Istiana Rahatmawati, Istiana Linggasari, Shenny Maharani, Intan Mawardi, Aji Nuha, Putra Ullin Nur Ali Amri, Nur Ali Nurwantari, Nanda Ajeng Ridwania, Naufal Nida Sabila Rika Ernawati Setiawan, Agris Setyaningrum, Tuti Setyawan, Meindra Suratinoyo, Zahna Allya Zulfa Tri Wahyuningsih Wawong Dwi Ratminah, Wawong Dwi Winda Winda Yasmina Amalia, Yasmina Zakaria, Muhammad Faizal Zuhhad, Zulfikar Yahya