Oxidative Dissolution of Arsenic-Bearing Sulfide Minerals in Groundwater: Impact of Hydrochemical and Hydrodynamic Conditions on Arsenic Release and Surface Evolution

The dissolution of sulfide minerals can lead to hazardous arsenic levels in groundwater. This study investigates the oxidative dissolution of natural As-bearing sulfide minerals and the related release of arsenic under flow-through conditions. Column experiments were performed using reactive As-bear...

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Veröffentlicht in:	Environmental science & technology 2022-04, Vol.56 (8), p.5049-5061
Hauptverfasser:	Stolze, Lucien, Battistel, Maria, Rolle, Massimo
Format:	Artikel
Sprache:	eng
Schlagworte:	Acidity Arsenic Arsenic - analysis Arsenopyrite Dissolution Flow velocity Groundwater Hydrodynamics Minerals Minerals - chemistry Oxidative Stress Passivity Pore water Porous media Scanning electron microscopy Solubility Spatial distribution Sulfide Sulfides Sulfides - chemistry Water Pollutants, Chemical - analysis
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