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HOW TO TACKLE THE STRINGENT SULFATE REMOVAL REQUIREMENTS IN MINE WATER TREATMENT-A REVIEW OF POTENTIAL METHODS
Runtti, H., E.-T. Tolonen, S. Tuomikoski, T. Luukkonen, and U. Lassi.
Environmental Research 167:207-222(2018)

Process options to reach low sulfate levels (<1,500 mg/L) in mine effluents were examined in this review. Examples of such processes include alternative chemical precipitation methods, membrane technology, biological treatment, ion exchange, and adsorption. Aqueous chemistry and current effluent standards concerning sulfate together with concentrate treatment and sulfur recovery also are discussed.



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