We characterized the tailings from Santa Barbara dam, which is located in Minas Gerais, southeastern Brazil, to: (i) identify its chemical, mineralogical, and metallurgical properties, (ii) perform an environmental evaluation of water at surface facility. The potential recovery elements such as Sb, As, Au was also considered for reuse. alkaline, with maximum pH values ≈ 10, contained potentiall...

Major tailings dam failures have caused death, pain, and disruption to a community’s activities. These ruptures mobilize millions of tonnes tailings, which move with gravity can therefore be called anthropogenic mass movements. A survey the typology damage is necessity assess caused, especially riverside populations. This work describes movements in 2015 Samarco/Mariana 2019 Vale/Brumadinho tai...

The oil sands mining and extraction processes in Canada produce large volumes of tailings that are a mixture of mainly water, clay, sand, chemicals and bitumen. This residue is deposited into tailings ponds where sand settles faster than fine clays which require many years to fully consolidate. Therefore, land reclamation and water recirculation become significant environmental impacts. The tai...

Numerical simulations of the Fault Lake Tailings were conducted to assess the long-term impact of AMD-generation on downgradient receptors. The effects of impoundment geometry, contrasting permeability, water content, and mineralogy of tailings and native sediments were considered. Simulation results suggest that over a time period of 1,000 years only the top three meters of tailings become oxi...

Dispersed clay particles in mine tailings and soft sediments remain suspended for decades, hindering consolidation and challenging effective management of these aqueous slurries. Current geotechnical engineering models of self-weight consolidation of tailings do not consider microbial contribution to sediment behavior, however, here we show that microorganisms indigenous to oil sands tailings c...

As one of the most concerned risk sources mining enterprises, safety and stability tailings storage facility (TSF) is closely connected to operating activity, surrounding ecological environment, residents' lives properties safety. In order evaluate dam break, extension matter-element model has been applied in work. First, evaluation indicator system was established, included 3 levels, 4 criteri...

The global mining industry generates several billion tons of waste every year. Much it is stored in liquid form, known as tailings, large impoundments. Recent dam failures at tailing ponds with catastrophic outcomes have raised public concern, such that initiatives and investors are beginning to address the problem. So far, a lack publicly available data makes an independent comprehensive risk ...

As part of a comprehensive research program, new tailings matrices are formulated of combinations of tailings and binder materials. The research program encompasses experimental and numerical analysis of the tailings matrices to investigate the feasibility of using them as construction materials in cold climates. This paper discusses a conceptual cost benefit analysis for the use of these new m...