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Teguh Kurniawan
Universitas Indonesia
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Journal : Metalurgi

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Kinetic Modelling of Solid-Liquid Extraction of Tin From Dimethyltin Dichloride by-Products: Effect of Solvent and Stirring Speed Adenia, Atika Putri; Jayanudin, Jayanudin; Kosimaningrum, Widya Ernayati; Kurniawan, Teguh; Zulfaidah, Farah Alifia; Siahaan, Yudhistira Madani Putra
Metalurgi Vol 39, No 3 (2024): Metalurgi Vol. 39 No. 3 2024
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/metalurgi.2024.785

Abstract

Indonesia is the world’s second-largest tin exporter; however, downstream utilization of tin remains limited. One potential source of secondary tin is the by-product generated from the production of DMT (dimethyltin dichloride) at PT Timah Industri, which contains 40–70% tin in both organic and inorganic forms. This study aims to investigate the extraction kinetics and evaluate the effects of solvent type and agitation speed on tin recovery from the DMT by-product. Extraction experiments were conducted using different solvents (water, 50% methanol, and pure methanol) and agitation speeds (300 and 400 rpm) for 24 hours. Tin concentrations in the filtrate were determined using XRF (x-ray fluorescence). Kinetic modeling was performed using first-order and second-order models through both linear and non-linear approaches. The results show that the extraction process follows second-order kinetics, with rate constants (k) in the short-time regime ranging from 0.002 to 0.005 L·(g·min)⁻¹ and in the long-time regime from 0.0001 to 0.0002 L·(g·min)⁻¹. Water demonstrated the highest dissolution capacity (35.35 ± 0.09%), while pure methanol selectively dissolved organotin compounds (30.45 ± 0.12%). The 50% methanol solvent yielded intermediate extraction results (32.65 ± 0.37%) due to the combined characteristics of both solvents. Agitation speed significantly enhanced tin dissolution.
Co-Authors Adenia, Atika Putri Adityas Widjajarto Ahmad Nursodiq Al-Obaidi, Abdulkareem Sh. Mahdi Alwan, Hafid Anton Irawan Arihta, Michael Arnisa Stefanie Artanto, Galih Alif Asep Bayu Dani Nandiyanto Asep Kurniawan Asterina, Nina Aufar Ahmad, Syihan Bahari, Yunus Bakar, Muhammad Saifullah Abu Bilad, M. Roil Bilad, Muhammad Roil Cahyadi, M Fikri Damanik, Vizny Grace Irene Darisman, Darisman Deditiani Tri Indrianti Dessy Maulina Dian Eko Rini Erik, Muhammad Erlangga, Thyta Medina Salsabila Fadrizal Lubis Febriandhika, Ikke Febrianto, Dany Ghiffari, Muhammad Hafith Hammouti, Belkheir Hamzah, Teguh Saeful Hanafi, Zikri Hidayat, Fanni Athar Husni Rohman Ibnu Prabowo, Farhan Ibnu, Kautsar Ibnu Muharam Indar Kustiningsih Iqbal Syaichurrozi Irfan Ridwan Maksum, Irfan Ridwan Jayanudin Jayanudin K., Widya Ernayati Khomariah, Nur Khusrini, Ari Khusrini Kiram, Phill Yanuar Kosimaningrum, Widya Ernayati Kusumajati, Kusumajati Labuda, Fitri Lammada, Ibrahim Lianawati, Maya Linda Fajarwati Mandalagiri, Nuryoto Levina Marsono Muhammad Affandi Mulyani, Gina Muraza, Oki Muslim, Ardila Ndaru, Felix Aglen Noorlela, Anisa Nuryoto Obie Farobie Patriana, Zia Prayogatama, Adhi Prihastuti, Hesti Pujianti, Dina Ragadhita, Risti Ramadhan, Sandi Rasdi, Didi Renti R. Budiman Rini, Dian Eko Risti Ragadhita Roesdianto, Rony Ronni Yenes Saepurahman, Saepurahman Sambudi, Nonni Soraya Samsudin, Samsudin Sanjaya, Rafly Santoso, Dian Budhi Saputra, Firman Ramadhan Sari Mariati Siahaan, Yudhistira Madani Putra Sri Agustina, Sri Suliyani Sutianingsih, Yulis Syaifudin Zakir, Syaifudin Taulu, Richard Angelo Nathaniel Theresia Woro Damayanti Tri Wulandari, Ratna Triase Triase, Triase Trisnawati Trisnawati Tulus Santoso Wahyudi Atmoko, Andreo Widhiantari, Sari Anindita Widiyatmoko, Fajar Ari Winayati Wisal Altafvian Deanis Ananta Yazid Bindar Yuliarman Saragih Zulfaidah, Farah Alifia