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Recovery of sulphuric acid and valuable metals (Zn, Cu and REE) from acidic mine waters using nanofiltration

Lopez, J.; Reig, M.; Vecino, X.; Valderrama, C.; Gibert, O.; Cortina, J.
Type of activity
Presentation of work at congresses
Name of edition
16th International Conference on Environmental Science and Technology
Date of publication
Presentation's date
Book of congress proceedings
16th International Conference on Environmental Science and Technology CEST2019, 4-7 September 2019, Rhodes, Greece
http://hdl.handle.net/2117/169536 Open in new window
Acidic mine waters (AMWs) contains moderate concentrations of sulphuricacid, relatively high concentrations of metals (Al, Fe, Cu and Zn) and minor amounts or rare earth elements (REE). The established management routes for AMW treatment include a neutralization-precipitation step, which implies a high cost due to the reagents consumption. Nanofiltration (NF) membranes are emerging as an alternative to conventional methods to treat AMW due to a good passage of mono-charged ions (e.g. hydrogen su...
Acidic mine waters, Membrane permeances, NF270, Nanofiltration, Rare earth elements
Group of research
CRnE - Barcelona Research Center in Multiscale Science and Engineering
R2EM - Resource Recovery and Environmental Management