Speciation of Mercury Contaminant in Public Gold Mine Tailing and its Stabilization Using Sulfur and Sulfide

• Autorzy: Trihadiningrum Yulinah , Latif Rezki Amalia , Rachman Ranno Marlany

Identyfikatory

DOI

10.12911/22998993/102613

• Języki publikacji: EN

Abstrakty

EN

The mercury-containing tailing waste from public gold mines in Indonesia is generally deposited on soil without treatment. This research aimed at determining the amount and composition of mercury species in the tailing, and testing the effect of sulfur and sulfide on mercury stabilization. Samples were collected from a tailing pile at different depths in a public gold mine in Kulon Progo, Indonesia. The samples were characterized according to the mercury concentrations and Toxicity Characteristic Leaching Procedure (TCLP) test. Mercury speciation was carried out using nitrogen gas flow into tailing samples, which were placed in three test tubes. The released mercuric species was entrapped in KCl and KmnO₄ solutions. The mercury stabilization was carried out using sulfur and sodium sulfide. TCLP test was performed to the stabilization products. The mercury concentrations were measured using a mercury analyzer. The results showed that the mercury in the tailings were dominated by elemental Hg^o, the concentrations of which in the tailing piles of 30, 60, and 90 cm depths were 74.7%, 71.6%, and 76.5% respectively. Those of ionic Hg²⁺ form were 25.3%, 28.4%, and 23.5%, respectively. Additions of sulfur powder and sodium sulfide solution produced stable black-colored mercury sulfide. When compared to sulfide, sulfur was more recommended for stabilizing mercury in the tailing waste.

Słowa kluczowe

EN

mercury; gold mine; speciation; sulfide; sulfur; tailing

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2019
• Tom: Vol. 20, nr 4
• Strony: 29--34
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Trihadiningrum Yulinah

• Department of Environmental Engineering, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Jl. A.R. Hakim, Surabaya 60111, Indonesia

autor

Latif Rezki Amalia

• Department of Environmental Engineering, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Jl. A.R. Hakim, Surabaya 60111, Indonesia

autor

Rachman Ranno Marlany

• Department of Environmental Engineering, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Jl. A.R. Hakim, Surabaya 60111, Indonesia

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).