Diagramas de Estabilidad Multifases Modificados: Un caso de AMD en Northumberland, UK

Samborska, Katarzyna; Sitek, Sławomir; Bottrell, Simon H.; Šráček, Ondra

doi:10.1007/s10230-013-0223-y

Cited by 3 publications

(1 citation statement)

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“…It was concluded that DTC-TETA was covalently coordinated to metals and a cross-linked hydrophobic passivating layer was formed on the pyrite or tailing surface to inhibit the release of metals in acidic solutions. Mineral-fluid equilibria were studied in a major abandoned coal mine spoil heap at the former Shillbottle Colliery, Northumberland, UK, to understand the sequence of mineral formation and transformation (Samborska et al, 2013). The multi-component Phreeplot-calculated pE/pH diagrams indicated that many post-mining secondary minerals might co-exist, providing insight into AMD formation and transformation mechanisms.…”

Section: Prediction and Prevention Prediction Andmentioning

confidence: 99%

Mine Drainage: Characterization, Treatment, Modeling, and Environmental Aspect

Wei

Wolfe

Han

2014

Water Environment Research

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Globally, mine drainage is a persistent environmental problem facing the mining industry. This review covers the literature published in 2013 on topics relating to acid mine drainage (AMD) or acid rock drainage (ARD) due to the presence of sulfide bearing minerals in active and abandoned coal/hard rock mining sites or waste spoil piles. This review is divided into the four sections: 1) mine drainage characterization, 2) mine drainage treatment 3) modeling and simulation, and 4) environmental aspect. Mine Drainage Characterization Physicochemical Characterization. The characteristics of mine sites have profound impacts on the quality and quantity of acid mine drainage (AMD) or acid rock drainage (ARD), the toxicity of the contaminants, the fate and transport of the metals, and the required treatment or remediation methods. The mine drainage from the Globe-Progress gold mine, New Zealand, were circumneutral (pH 6-8) with high HCO 3 -and SO 4 2-(both up to 300 mg/L) and elevated As (0.5 mg/L) and Sb(~3 mg/L) (Druzbicka and Craw, 2013). The Sb/As ratio in the mine drainage ranged from 1 in historic mines, to ~30 below the modern mine. It was found mining methods and contrasting ore types had a dramatic effect on the metalloid contents. The characteristics of alkaline mine drainage from 11 active and abandoned mines were examined in the Lokpaukwu-Ishiagu mining areas of Nigeria, where very high concentrations of TDS, hardness, chloride, calcium,

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Section: Prediction and Prevention Prediction Andmentioning

confidence: 99%