The role of charge reversal of iron ore tailing sludge on the flocculation tendency of sediments in marine environment

In the mining industry, tailings are conventionally stored in artificial ponds that are susceptible to ruptures, as occurred in Southeast Brazil in November 2015. The Fundão failure dumped approximately 40 million m³ of very fine iron-rich tailing material into the Doce River watershed, where part reached the adjacent continental...