Abstract
Permeable reactive barriers (PRBs) and flow-through reaction cells are fairly new passive treatment alternatives to conventional lime treatment of acidic rock drainage (ARD). They are ideal for the treatment of flowing ARD and are particularly useful when contaminants are likely to persist for several years. This paper describes column tests performed to simulate a PRB constructed using Bauxsol™, a chemically and physically treated bauxite refinery residue, as a reactive material. This experimentation shows promising results for the Bauxsol™ PRB method in neutralizing pH and removing metals from acidic mine effluents.
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Lapointe, F., Fytas, K. & McConchie, D. Efficiency of Bauxsol™ in Permeable Reactive Barriers to Treat Acid Rock Drainage. Mine Water and the Environment 25, 37–44 (2006). https://doi.org/10.1007/s10230-006-0106-6
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DOI: https://doi.org/10.1007/s10230-006-0106-6