Treatment of the acidic effluent from a copper smelter by flotation tailings
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Sokić, Miroslav![](/themes/Mirageritnms/images/orcid.png)
Radovanović, Dragana
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Marković, Branislav
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Stojanović, Jovica
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Kamberović, Željko
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Petronijević, Nela
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Stanković, Srđan
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Since commissioning in 1961, the copper mine Majdanpek, a part of the Mining and Smelting Complex Bor (RTB Bor), produced approximately 378 million tons of flotation tailings. Semiquantitative mineralogical analysis of the flotation tailings revealed significant content of carbonate minerals (approximately 20-25 %), indicating high acid neutralization capacity. Also, approximately 70 % of copper is in the form of the oxide mineral cuprite (Cu2O). Copper can be easily leached from cuprite by using sulphuric acid. The RTB Bor copper smelter generates 8.7 m(3)h(-1) of extremely acidic waste effluent (142.4 kgm(-3) of sulphuric acid, pH - 0.464) with relatively high concentrations of dissolved metals and metalloids (Cu, Fe, Zn, Pb and As). The effluent is currently treated with hydrated lime. The present study focused on application of flotation tailings as a neutralizing agent for acidic effluents. Laboratory experiments followed by computer simulation of the industrial process showed tha...t 99% of the acid can be neutralized with flotation tailings in a series of six reactors resulting in the final copper concentration of 1.55 gL(-1). Benefits of the proposed process are: lower environmental impact of the process and reduced costs of neutralization of the acidic effluent from the copper smelter.
Keywords:
flotation tailings / copper leaching / acidic effluent neutralizationSource:
Hemijska industrija, 2019, 73, 2, 115-124Publisher:
- Savez hemijskih inženjera, Beograd
Funding / projects:
- Innovative synergy of by-products, waste minimization and clean technologies in metallurgy (RS-MESTD-Technological Development (TD or TR)-34033)
- Developing technological processes for nonstandard copper concentrates processing with the aim to decrease pollutants emission (RS-MESTD-Technological Development (TD or TR)-34023)
DOI: 10.2298/HEMIND181009010S
ISSN: 0367-598X
WoS: 000466161800005
Scopus: 2-s2.0-85069669288
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Institut za tehnologiju nuklearnih i drugih mineralnih sirovinaTY - JOUR AU - Sokić, Miroslav AU - Radovanović, Dragana AU - Marković, Branislav AU - Stojanović, Jovica AU - Kamberović, Željko AU - Petronijević, Nela AU - Stanković, Srđan PY - 2019 UR - https://ritnms.itnms.ac.rs/handle/123456789/508 AB - Since commissioning in 1961, the copper mine Majdanpek, a part of the Mining and Smelting Complex Bor (RTB Bor), produced approximately 378 million tons of flotation tailings. Semiquantitative mineralogical analysis of the flotation tailings revealed significant content of carbonate minerals (approximately 20-25 %), indicating high acid neutralization capacity. Also, approximately 70 % of copper is in the form of the oxide mineral cuprite (Cu2O). Copper can be easily leached from cuprite by using sulphuric acid. The RTB Bor copper smelter generates 8.7 m(3)h(-1) of extremely acidic waste effluent (142.4 kgm(-3) of sulphuric acid, pH - 0.464) with relatively high concentrations of dissolved metals and metalloids (Cu, Fe, Zn, Pb and As). The effluent is currently treated with hydrated lime. The present study focused on application of flotation tailings as a neutralizing agent for acidic effluents. Laboratory experiments followed by computer simulation of the industrial process showed that 99% of the acid can be neutralized with flotation tailings in a series of six reactors resulting in the final copper concentration of 1.55 gL(-1). Benefits of the proposed process are: lower environmental impact of the process and reduced costs of neutralization of the acidic effluent from the copper smelter. PB - Savez hemijskih inženjera, Beograd T2 - Hemijska industrija T1 - Treatment of the acidic effluent from a copper smelter by flotation tailings EP - 124 IS - 2 SP - 115 VL - 73 DO - 10.2298/HEMIND181009010S UR - conv_850 ER -
@article{ author = "Sokić, Miroslav and Radovanović, Dragana and Marković, Branislav and Stojanović, Jovica and Kamberović, Željko and Petronijević, Nela and Stanković, Srđan", year = "2019", abstract = "Since commissioning in 1961, the copper mine Majdanpek, a part of the Mining and Smelting Complex Bor (RTB Bor), produced approximately 378 million tons of flotation tailings. Semiquantitative mineralogical analysis of the flotation tailings revealed significant content of carbonate minerals (approximately 20-25 %), indicating high acid neutralization capacity. Also, approximately 70 % of copper is in the form of the oxide mineral cuprite (Cu2O). Copper can be easily leached from cuprite by using sulphuric acid. The RTB Bor copper smelter generates 8.7 m(3)h(-1) of extremely acidic waste effluent (142.4 kgm(-3) of sulphuric acid, pH - 0.464) with relatively high concentrations of dissolved metals and metalloids (Cu, Fe, Zn, Pb and As). The effluent is currently treated with hydrated lime. The present study focused on application of flotation tailings as a neutralizing agent for acidic effluents. Laboratory experiments followed by computer simulation of the industrial process showed that 99% of the acid can be neutralized with flotation tailings in a series of six reactors resulting in the final copper concentration of 1.55 gL(-1). Benefits of the proposed process are: lower environmental impact of the process and reduced costs of neutralization of the acidic effluent from the copper smelter.", publisher = "Savez hemijskih inženjera, Beograd", journal = "Hemijska industrija", title = "Treatment of the acidic effluent from a copper smelter by flotation tailings", pages = "124-115", number = "2", volume = "73", doi = "10.2298/HEMIND181009010S", url = "conv_850" }
Sokić, M., Radovanović, D., Marković, B., Stojanović, J., Kamberović, Ž., Petronijević, N.,& Stanković, S.. (2019). Treatment of the acidic effluent from a copper smelter by flotation tailings. in Hemijska industrija Savez hemijskih inženjera, Beograd., 73(2), 115-124. https://doi.org/10.2298/HEMIND181009010S conv_850
Sokić M, Radovanović D, Marković B, Stojanović J, Kamberović Ž, Petronijević N, Stanković S. Treatment of the acidic effluent from a copper smelter by flotation tailings. in Hemijska industrija. 2019;73(2):115-124. doi:10.2298/HEMIND181009010S conv_850 .
Sokić, Miroslav, Radovanović, Dragana, Marković, Branislav, Stojanović, Jovica, Kamberović, Željko, Petronijević, Nela, Stanković, Srđan, "Treatment of the acidic effluent from a copper smelter by flotation tailings" in Hemijska industrija, 73, no. 2 (2019):115-124, https://doi.org/10.2298/HEMIND181009010S ., conv_850 .