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PERFORMANCE OF PASSIVE SYSTEMS FOR MINE DRAINAGE TREATMENT AT LOW TEMPERATURE AND HIGH SALINITY: A REVIEW
Ali, H.E.B., C.M. Neculita, J.W. Molson, A. Maqsoud, G.J. Zagury.
Minerals Engineering 134:325-344(2019)

This paper reviews the principal parameters and processes that influence the quality of mine drainage (MD) and the performance of passive treatment of MD in cold climates. Major factors that affect treatment performance of passive systems are highlighted, such as low temperature, contamination level, and salinity. This review also discusses the effect of MD contamination level on passive biochemical reactor (PBR) efficiency. The effect of high salinity is discussed, with its potential to increase or decrease metal and sulfate removal depending on the major ions present. Reactive transport models used to predict long-term MD treatment efficiency are also considered. Further studies are needed to evaluate the simultaneous combined effect of these parameters on the performance of PBRs. https://www.imwa.info/docs/imwa_2018/IMWA2018_BenAli_245.pdf



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