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The use of reverse osmosis (RO) membranes is becoming increasingly common in desalination plants, though disposal of the highly concentrated brines poses significant environmental risks. The targeted extraction of some metals from the concentrate can have multiple environmental and economic benefits. This is particularly apparent with recent developments in the development of zero liquid discharge...
This study was carried out to investigate the treatment of various salt solutions and synthetic dye bath liquors by nanofiltration using Nanomax-50 membrane in a stirred cell with 150 mL working volume. Donnan exclusion was compared by filtering salts with monovalent and divalent cations and anions. This was done by comparing three salts including sodium chloride (NaCl), calcium chloride (CaCl ...
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