In copper mining, tailings can account for 95–99% of crushed and ground ores ( Edraki et al., 2014 ). Worldwide, mine tailings are produced at a rate of anywhere from five to …
DetailsTailing, in context to mining, is defined as the waste or non-economic by-product generated during mining activities ... Copper tailings have a high concentration of copper while other contents are within the normal concentration ranges in soil. ... Shui G, Jing X (2011) Stability analysis of a copper tailings dam via laboratory model tests: …
DetailsCommunity concerns about copper nickel mines have focused on fears of tailings dam failure or leaks that could threaten both nearby surface water and groundwater. Because there is no dam, risk of dam leakage or failure is eliminated. Equally important is the fact that the tailings from the Maturi Deposit will be non-acid-generating.
DetailsWhy use the tailings treatment process? 1. The dry discharge of tailings can solve the environmental pollution and potential safety hazards caused by the accumulation of traditional tailings, such as tailings dam failure and land occupation; 2. Less investment and great benefit: On the one hand, it greatly saves the company's …
DetailsIn China, there are more than 12,000 tailings ponds, and the number is still growing. With the rapidly increasing number of tailings ponds, the safety issue has drawn more and more attention by governments and local communities. The design and construction of each tailings pond must meet the specific requirements of a particular …
DetailsThe presence of critical minerals and rare earth elements in disposed mine tailings indicates that there is potential for economic and technological gain from reprocessing …
DetailsMining activities pose a potential risk of metal contamination around mining sites. On May 6, 2010, a tailings dam failure of the Mazraeh copper mine near Ahar in East Azerbaijan province, Iran, released vast amounts of mine wastes. To better understand the magnitude of copper contamination in the waste-affected soils, it is important to …
DetailsThis work is groundbreaking and a significant contribution to the study field of mining tailings by combining sociologic and spatial analysis. The article inquires about the …
DetailsDam management practices, lack of knowledge on tailings behaviour and the poor performance of monitoring and management processes have resulted in disastrous …
Details1. Introduction. Whilst the exploitation and development of the mining industry deliver a great stimulus for social and economic progress, there are a large number of mine wastes at the same time [1], [2], [3].From a global perspective, approximately 20–25 billion tons of mining waste are generated from the mining industry annually [4].In mine …
DetailsAnd there are those who maintain that it is very difficult that in the future the construction of a new tailings dam south of the Choapa valley will be authorized again in Chile, despite the fact that the highest concentration of known copper mineral resources in the country is located precisely in that area (Andina Disputada and El Teniente).
DetailsTailings produced by mining engineering and metal smelting industries have become a major challenge to the ecological environment and human health. Environmental compatibility, mechanical stability, and economic feasibility have restricted the treatment and reuse of tailings. A novel solidification/ …
DetailsTailings ponds are composed of residual mining sediments and represent a high risk due to their mechanical instability. A tailings dam break can cause extensive damage to the safety of downstream residents and the surrounding environment. This paper introduces a collapse of the tailings dam that occurred in Tonglüshan, Daye, Hubei, …
DetailsThe impacts of the SAMARCO iron tailing spill along more than 650 km, between the dam and the plume of the Doce River in the Atlantic, were assessed by the determination of toxic metals. The ...
Details1. Introduction. Mining is one of the most environmental disruptive human activities. Among the list of potential negative impacts related to this type of processes, the tailings generation is one of the most important, considering the inherent risks associated to the large production of this complex and heterogeneous residue - proximately 5–7 …
DetailsChile, the world's largest copper producer, generates massive amounts of mine tailings that are a source of ongoing environmental concern for local communities. The main objective of this work is to evaluate the concentration of As, Cd, Cr, Cu, Fe, Mn, Mo, Ni, Pb, Zn and SO42− in soils, water and vegetation in the communities surrounding …
DetailsAn investigation of concentrations of copper, cobalt and cadmium minerals in soils and mango fruits growing on Konkola copper mine tailings dam in Chingola, Zambia. Arch. Sci. 1, 2–5 (2017).
DetailsThis study investigates copper ore tailings deposited in Repparfjorden, Norway in the 1970's. Bathymetric show that the tailings deposit still occurs as a series of cone …
DetailsIn the mining industry deposits of tailings represent large volumes of the mining wastes, reflecting the mineralogy and chemistry of the ore deposit type of origin. In this paper, we report the results of a mineralogical and geochemical characterization study and geostatistical modelling of an Iron Oxide Copper Gold deposit with neutral pH, in ...
DetailsDownload scientific diagram | Uchi Tailing Dam (TD26). (A, B) Photographs showing compacted slurry on tailings, and gullies formed by water during the rainy seasons. The images: Leonce, June 2021.
DetailsThe mining waste and tailing dam are object of discussion due to the accidents that occur due to a lack of control or due to interest in the remaining minerals present in these materials.
DetailsIn this case, we pay attention to mining tailing deposits, infrastructures containing residues from the chemical process in which minerals of greater and lesser economic interest are separated (Citation Edraki et al., 2014). Thus, the deposits contain minerals that are not economically interesting for commercialization and that may be toxic.
DetailsThe mineralogy of copper tailings indicates around 14% of magnetite in its head composition, making its concentration of economic interest also allowing a considerable reduction in the amount of ...
DetailsThis deposit is recognised to ... Sarcheshmeh Copper Mine Tailings Dam 55 ... the tailings profile, so a zero concentration was de-tected for. The pH of the samples varies from 2.9 to 3.5. Low value of pH and high concentrations of SO₄ and Fe in the samples is attributed to the oxi-
DetailsThe way tailings are handled can have a long-term impact on the mines' economic efficiency as well as on the ecology. believes dry stacking of tailings as the most promising and ...
DetailsA Kazakhstan copper mine was suffering challenges caused by insufficiently dewatered tailings. This was impacting the stability of the tailings dam and required an earlier-than …
DetailsKolontár, Hungary: In 2010, a tailings dam storing waste from bauxite mining collapsed due to heavy rain. The red toxic sludge from the dam spread over eight square km (more than three square ...
DetailsChile faced with the challenge of 740 fragile tailing dams from copper mining. ... an earthquake measuring 7.4 on the Richter Scale collapsed a Chilean tailings dam leaving more than 300 people dead.
DetailsFor this reason, Yin, Zhou, Jing, and Wang study the slurry resulting from a dam break with different dam heights and tailings particle sizes (Yin et al., 2010; Jing et al., 2012; Zhou et al., 2013; Wang et al., 2018).They analyze the disaster chain of a dam break according to disaster system theory and describe the evolution process of a dam …
DetailsChuquicamata Copper Mining Project [6]. ... El Cobre Tailings Dam, Melon, El Cobre Mine, 1965. ... concentration of minerals, allowed to selectively float a mineral of economic interest
DetailsPDF | This paper explores the effects of tailing damps on the environment on the Copperbelt Province in Zambia. In Zambia, particularly on the... | Find, read and cite all …
Detailscopper mining waste disposed in tailing dams. Elsewhere, investiga tions revealed that Cu and Co were to xic to plants and animals and disrup ted shing, forestry, and agriculture activities ...
DetailsAnother discipline that intervenes in the issues of tailings transport from the concentration plant to the tailings deposit is the ... of copper sulphide minerals and present in copper mining tailings are presented below [2,47]. The ... Analysis of the Fundão Tailings Dam Failure in the Doce River System, Southeast Brazil: Potentially …
Detailslions of tons of waste material at mining sites. Tailings dam should be constructed to achieve a stable and safe state. Unfortunately, since 1970, more than 35 tailings dam failures ... soil copper concentration (SCC) at two depths and copper concentration of surficial sediments (CCS) were measured using aqua regia method (Chen and Ma 2001 ...
DetailsOn the 4 th August 2014 a tailings impoundment failure at the Mount Polley gold and copper mine in British Columbia, Canada, released approximately 25 million m 3 of solid and liquid waste into ...
DetailsCopper 360 estimates that there are about 50-million to 60-million tonnes of dump material with grades varying between 0.18% and 1.5% copper in the dumps, with the potential to contain 450 000 t ...
DetailsPE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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