Sustainable Management of Thickened Tailings in Chile and Peru: A Review of Practical Experience and Socio-Environmental Acceptance
The “Thickened Tailings Disposal” (TTD) technology produces a high density mine waste that allows for the storage of this material without the need to manage large slurry tailings storage facilities (TSFs) and large dams. TTD has been applied considering site specific conditions of Chile and Peru, s...
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| Veröffentlicht in: | Sustainability 2022-09, Vol.14 (17), p.10901 |
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| creator | Cacciuttolo Vargas, Carlos Marinovic Pulido, Alex |
| description | The “Thickened Tailings Disposal” (TTD) technology produces a high density mine waste that allows for the storage of this material without the need to manage large slurry tailings storage facilities (TSFs) and large dams. TTD has been applied considering site specific conditions of Chile and Peru, such as extreme climatic conditions, seismic risks, water scarcity, community demands, and environmental constraints. This review highlights the contribution of several experiences in Chile and Peru, which have chosen TTD technology for reduction of negative environmental impacts, mainly focusing on the following issues: (i) increase of tailings water recovery, (ii) reduction of TSFs footprint (impacted areas), (iii) decrease the risk of physical instability, avoiding the construction of high dams, and (iv) decrease of TSFs seepages. Finally, the article describes the advantages (benefits) and disadvantages (aspects to improve) of TTD, where nowadays a high degree of dewatering of tailings is seen as a safe option, considering the occurrence of some TSF dam failures recently worldwide, which has resulted in severe environmental pollution. A better environmental perception about TTD of authorities and communities, considering that this technology allows to satisfy the needs of stable and safe TSFs, make the TTD be more acceptable, popular and one of the best available technologies (BATs) for operations with mine tailings. |
| doi_str_mv | 10.3390/su141710901 |
| format | Article |
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TTD has been applied considering site specific conditions of Chile and Peru, such as extreme climatic conditions, seismic risks, water scarcity, community demands, and environmental constraints. This review highlights the contribution of several experiences in Chile and Peru, which have chosen TTD technology for reduction of negative environmental impacts, mainly focusing on the following issues: (i) increase of tailings water recovery, (ii) reduction of TSFs footprint (impacted areas), (iii) decrease the risk of physical instability, avoiding the construction of high dams, and (iv) decrease of TSFs seepages. Finally, the article describes the advantages (benefits) and disadvantages (aspects to improve) of TTD, where nowadays a high degree of dewatering of tailings is seen as a safe option, considering the occurrence of some TSF dam failures recently worldwide, which has resulted in severe environmental pollution. A better environmental perception about TTD of authorities and communities, considering that this technology allows to satisfy the needs of stable and safe TSFs, make the TTD be more acceptable, popular and one of the best available technologies (BATs) for operations with mine tailings.</description><identifier>ISSN: 2071-1050</identifier><identifier>EISSN: 2071-1050</identifier><identifier>DOI: 10.3390/su141710901</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Australia ; Bolivia ; Capital costs ; Chile ; Climatic conditions ; Dam construction ; Dam failure ; Dam stability ; Dams ; Design and construction ; Dewatering ; Environmental aspects ; Environmental perception ; Environmental risk ; Freshwater resources ; Mine tailings ; Mine wastes ; Mineral industry ; Mineralogy ; Mining ; Mining industry ; Particle size ; Pollution ; Ponds ; Risk reduction ; Seismic hazard ; Seismic stability ; Slurries ; Storage facilities ; Sustainability management ; Tailings ; Technology ; Technology application ; Water scarcity</subject><ispartof>Sustainability, 2022-09, Vol.14 (17), p.10901</ispartof><rights>COPYRIGHT 2022 MDPI AG</rights><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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| subjects | Australia Bolivia Capital costs Chile Climatic conditions Dam construction Dam failure Dam stability Dams Design and construction Dewatering Environmental aspects Environmental perception Environmental risk Freshwater resources Mine tailings Mine wastes Mineral industry Mineralogy Mining Mining industry Particle size Pollution Ponds Risk reduction Seismic hazard Seismic stability Slurries Storage facilities Sustainability management Tailings Technology Technology application Water scarcity |
| title | Sustainable Management of Thickened Tailings in Chile and Peru: A Review of Practical Experience and Socio-Environmental Acceptance |
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