Mine Wastes

Lottermoser, Bernd G.

doi:10.1007/978-3-642-12419-8

Cited by 352 publications

(133 citation statements)

References 671 publications

(864 reference statements)

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“…Mine waste is generally considered to be the material that originates and accumulates at a mine site but has no current economic value (Lottermoser, 2010); it includes both solid and liquid waste. The character of the waste generated from cobalt mining varies according to the geology of the deposit and the methods used to extract the ore.…”

Section: Mine Waste Characteristicsmentioning

confidence: 99%

Cobalt

Slack¹,

Kimball²,

Shedd³

2017

Professional Paper

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Section: Mine Waste Characteristicsmentioning

confidence: 99%

Cobalt

Slack¹,

Kimball²,

Shedd³

2017

Professional Paper

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“…Iron will precipitate if pH is above or close to 3.5 (AlHashimi et al 1996;Chen et al 2014), whereas at pH below 3.5, a few or no iron precipitation occurs (Al-Hashimi et al 1996). However, at pH values near or below 3.5, Fe(III) concentration increases in solution, acting as an oxidizing agent for pyrite in AMD (Lottermoser 2010). In both periods, the lower iron concentration in some sampling points (such as P1, P2, P3, P6, and P7 in the wet period) may be due its precipitation in the (hydr)oxide forms as Fe 3+ showed a slight upward trend with the pH decreasing in the groundwaters (the Pearson correlation coefficient was −0.51 and −0.52).…”

Section: Amd Indicatorsmentioning

confidence: 91%

“…The Fe(III) concentration increases (Eq. 3), acting as an oxidizing agent to pyrite (Lottermoser 2010) (Eq. 4), characterizing a cyclical process that occurs until the ferric iron or pyrite becomes exhausted.…”

Section: Introductionmentioning

confidence: 99%

Hydrogeochemical features of surface water and groundwater contaminated with acid mine drainage (AMD) in coal mining areas: a case study in southern Brazil

Galhardi

Bonotto

2016

Environ Sci Pollut Res

120

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Effects of acid mine drainage (AMD) were investigated in surface waters (Laranjinha River and Ribeirão das Pedras stream) and groundwaters from a coal mining area sampled in two different seasons at Figueira city, Paraná State, Brazil. The spatial data distribution indicated that the acid effluents favor the chemical elements leaching and transport from the tailings pile into the superficial water bodies or aquifers, modifying their quality. The acid groundwaters in both sampling periods (dry: pH 2.94-6.04; rainy: pH 3.25-6.63) were probably due to the AMD generation and infiltration, after the oxidation of sulfide minerals. Such acid effluents cause an increase of the solubilization rate of metals, mainly iron and aluminum, contributing to both groundwater and surface water contamination. Sulfate in high levels is a result of waters' pollution due to AMD. In some cases, high sulfate and low iron contents, associated with less acidic pH values, could indicate that AMD, previously generated, is nowadays being neutralized. The chemistry of the waters affected by AMD is controlled by the pH, sulfide minerals' oxidation, oxygen, iron content, and microbial activity. It is also influenced by seasonal variations that allow the occurrence of dissolution processes and the concentration of some chemical elements. Under the perspective of the waters' quality evaluation, the parameters such as conductivity, dissolved sodium, and sulfate concentrations acted as AMD indicators of groundwaters and surface waters affected by acid effluents.

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“…The need for land reclamation in Ukraine's Western Donbass region is associated with the long-term underground coal development in the Samara River floodplain. The problems associated with environmental restoration after coal mining are relevant even for such developed countries as USA, Germany, UK and others (Chugh and Behum 2014;Bellenfant et al 2013;Wiessner et al 2013;Lottermoser 2010;Bian Zhengfu et al 2010). However, the difference in the ratio of precipitation and evaporation can exclude the automatic application of known reclamation approaches and so requires the development of new technologies for application in Ukraine.…”

Section: Introductionmentioning

confidence: 99%

Trend Analysis of Water-Soluble Salts Leaching Along Surfaces of Reclaimed Mine Dumps in Western Donbass (Ukraine)

Klimkina

Kharytonov

Жуков

2018

EREM

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Surface evaporation rates that are greater than precipitation rates lead to upward salinization processes and, consequently, man-made contamination of the covering surface layers on coal dumps in Western Donbass, Ukraine. The effectiveness of capping the mine dumps with different layers of black-soil mass, both with and without a shielding layer of loess-like loam, was studied in order to develop the optimal scheme for the reclamation of these dumps. Principal component analyses were carried out in order to reveal the regularities of the upward salt migration to the surfaces of reclaimed coal mine dumps. The parameters of the layer-by-layer variation of the physical and chemical data in soil water extracts (namely, pH, total salinity and concentrations of bicarbonates, chlorides, sulfates, calcium, magnesium, sodium and potassium) which were obtained in 1987, 2003 and 2016 along the reclaimed profiles of various models of technogenic edaphotop, gradually acquire a stable-equilibrium state of mineralization in space and time. The alkaline barrier is the main factor for pH-changes and profile salinization of reclaimed land.

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Mine Wastes

Cited by 352 publications

References 671 publications

Cobalt

Cobalt

Hydrogeochemical features of surface water and groundwater contaminated with acid mine drainage (AMD) in coal mining areas: a case study in southern Brazil

Trend Analysis of Water-Soluble Salts Leaching Along Surfaces of Reclaimed Mine Dumps in Western Donbass (Ukraine)

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