Influence of chemical speciation on the separation of metal ions from chelating agents by nanofiltration membranes
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The simultaneous separation of various metal ions (nickel, copper, calcium, and iron) from chelating agents (EDTA and citric acid in water streams using Nanofiltration membranes is analyzed. Assuming that multiply-charged species are highly rejected, chemical speciation com-10 putations reproduce the observed patterns of metal and ligand rejection at different pH values and concentrations.
CitationBalanya, M. [et al.]. Influence of chemical speciation on the separation of metal ions from chelating agents by nanofiltration membranes. "Separation Science and Technology (Philadelphia)", 54, iss.1. 2019