Results 1 to 10 of about 60,238 (255)
The Role of Geochemical Modeling in Predicting Quality Evolution of Acid Mine Drainage [PDF]
Acta Montanistica Slovaca, 2004 In recent years the massive reduction of raw materials production brings a wide scale of problems. Among the most frequent exposes of mining activities belong besides old spoil heaps and sludge lagoons, also the drainage of acidic and highly mineralized ...
Andrea Šlesárová
doaj +2 more sources
Ion exchange system design for removal of heavy metals from acid mine drainage wastewater [PDF]
Acta Montanistica Slovaca, 2010 This paper discusses the methodology used to determine the optimal ion-exchange column size to process all separate batchesof feeds from acid mine drainage wastewater.The optimal design ensures the best utilization of resin material and therefore results
R. S. Sapkal +2 more
doaj +2 more sources
Recovery of Metals from Acid Mine Drainage
Chemical Engineering Transactions, 2012 Acid Mine Drainage (AMD) poses a severe pollution problem attributed to current and past mining activities. Low pH, high concentrations of sulphates and various heavy metals makes AMD treatment a major concern because of possible deleterious effects of ...
E. Macingova, A. Luptakova
doaj +2 more sources
A Critical Review of Acid Mine Drainage Treatment
Jurnal Presipitasi, 2021 Acid mine drainage has been reported to cause various environmental and human health problems. Acid mine drainage is formed due to the oxidation of sulfide minerals to water and air.
Yudha Gusti Wibowo +4 more
doaj +1 more source
Constructed Wetlands for Treatment of Acid Mine Drainage: A Review
Jurnal Presipitasi, 2022 The coal mining industry is an industrial activity that impacts the environment. This activity will generate acid mine drainage due to the interaction of water, air and sulfide minerals.
Yudha Gusti Wibowo +4 more
doaj +1 more source
Characteristics of pores in coals exposed to acid mine drainage
Energy Reports, 2021 Acid mine drainage commonly occupies some pore space after underground coal mining, and this severely depreciates coal pillars, thereby posing a significant risk to mine stability. Considering that such depreciation is reflected in the microstructures of
Hao Tang +7 more
doaj +1 more source
South African Journal of Chemical Engineering, 2023 Metals including Cu, Cd, Ni, Pb, Zn, Hg, Fe and Cr can be found in significant concentrations in acid mine drainage effluent from previous gold mining operations.
P.P. Diale +4 more
doaj +1 more source
Biovalentia: Biological Research Journal, 2023 Indonesia is one of the world's largest coal-producing countries. Most coal mining activities are conducted using the open-pit method. A classic problem caused by mining activities is acid mine drainage (AMD).
Fira Hendri Fira +2 more
doaj +1 more source
Indonesian Journal of Chemical Analysis, 2020 Acid mine drainage (AMD) is mine water with a low pH derived from the oxidation of pyrite containing sulfide with water and air to produce sulfide acid (H2SO4) containing free sulfate.
Umi Baroroh Lili Utami +2 more
doaj +1 more source
Toxics, 2022 Acid mine drainage, produced from sulfur-containing mine waste exposed to air, water, and bacteria, is considered as a serious environmental pollutant because of its extremely low pH and excessive heavy metals.
Meiyan Si +7 more
doaj +1 more source